GM Global Technology Operations LLC patent applications published on December 14th, 2023

Patent applications for GM Global Technology Operations LLC on December 14th, 2023

SYSTEM AND METHOD OF MAKING A CAST STEEL ALLOY CRANKSHAFT HAVING LOW POROSITY (17839680)

Main Inventor

Liang Wang

Brief explanation

The abstract describes a method for making a cast steel alloy crankshaft for an internal combustion engine. The method involves using a mold with cavities to form the crankshaft and melting a metallic material at a high temperature to create a molten material. The molten material is then fed into the mold at a specific angle and cooled with chill members to solidify it into the desired dimensions of the crankshaft. Finally, the solidified material is separated from the mold to create the cast steel alloy crankshaft.

• The method involves using a mold with cavities to form the crankshaft.
• A first metallic material is melted at a high temperature to create a molten material.
• The molten material is fed into the mold at a specific angle.
• The molten material is cooled with chill members to solidify it into the desired dimensions of the crankshaft.
• The solidified material is separated from the mold to create the cast steel alloy crankshaft.

Potential Applications

• Manufacturing of cast steel alloy crankshafts for internal combustion engines.

Problems Solved

• Provides a method for efficiently and accurately manufacturing cast steel alloy crankshafts.
• Allows for the production of crankshafts with precise dimensions.

Benefits

• Improved efficiency in the manufacturing process.
• Enhanced accuracy and precision in creating cast steel alloy crankshafts.

Abstract

Systems and methods of making a cast steel alloy crankshaft for an internal combustion engine are provided. The method comprises providing a mold of the crankshaft. The mold has cavities to form the crankshaft. The method further comprises melting a first metallic material at between 1400 degrees Celsius (° C.) and 1600° C. to define a molten metallic material. In addition, the method further comprises feeding the molten metallic material at a riser connection angle of between 30° and 75° in the cavities of the negative sand cast mold. The method further comprises cooling the molten metallic material at a solidification time of between 5 seconds (sec) and 20 sec in the negative sand cast mold with at least one chill member to define a solidified metallic material having dimensions of the cast steel alloy crankshaft. Furthermore, the method comprises separating the solidified metallic material from the negative sand cast mold to define the cast steel alloy crankshaft.

COMPOSITE PANEL INCLUDING A TAILORED COMPOSITE CORE VIA ADDITIVE MANUFACTURING (17836056)

Main Inventor

Ryan GERGELY

Brief explanation

==Abstract==

A composite panel is described in this patent application. The panel consists of two outer layers (skins) and a core in between them. The core is made up of multiple zones that are 3D printed using a thermoplastic material. Each zone is connected to the adjacent zones and has a different density. The variables Z and D represent the number of zones and the density levels, respectively.

Patent/Innovation Explanation

• The composite panel consists of two skins and a 3D printed core.
• The core is made up of multiple zones that are connected to each other.
• The zones are 3D printed using a thermoplastic material.
• Each zone has a different density, and the number of zones and density levels can be adjusted.

Potential Applications

This technology has potential applications in various industries, including:

• Aerospace: Lightweight and strong composite panels for aircraft interiors and structures.
• Automotive: Durable and customizable panels for car interiors and exteriors.
• Construction: Insulated panels for buildings with different density zones for improved structural integrity.
• Marine: Water-resistant panels for boat interiors and hulls.

Problems Solved

This technology addresses several problems in the field of composite panels:

• Weight reduction: The use of 3D printed thermoplastic zones allows for lightweight panels without compromising strength.
• Customization: The ability to adjust the number of zones and density levels provides flexibility in panel design.
• Improved structural integrity: The connection between zones and the variation in density levels enhance the overall strength of the panel.

Benefits

The benefits of this technology include:

• Lightweight panels that can contribute to fuel efficiency and cost savings.
• Customizable designs to meet specific requirements and aesthetic preferences.
• Enhanced strength and durability due to the connection between zones and variation in density levels.
• Potential for cost-effective production through 3D printing technology.

Abstract

A composite panel comprises a first skin and a second skin. A core is arranged between and attached to the first skin and the second skin. The core includes Z zones that are 3D printed using a thermoplastic material. Each of the Z zones abuts and is connected to another one of the Z zones. Each of the Z zones has one of D densities and at least one of the Z zones had a different density that another one of the Z zones. Z and D are integers greater than one.

SMART VEHICLE SYSTEMS AND CONTROL LOGIC FOR BATTERY THERMAL EVENT DETECTION AND SITUATIONAL SEVERITY ASSESSMENT (17839988)

Main Inventor

Matthew E. Gilbert-Eyres

Brief explanation

The patent application describes smart vehicle systems and control logic for detecting and assessing battery thermal events in vehicles. The method involves detecting a thermal event in the vehicle's battery system and monitoring the surrounding area for target objects near the vehicle. The target object data is then used to estimate the severity level of the thermal event. If the severity level exceeds a maximum allowable level, the controller commands a vehicle subsystem to mitigate the event.

• Smart vehicle systems and control logic for battery thermal event detection and severity assessment
• Method involves detecting a thermal event in the vehicle's battery system
• Monitoring the surrounding area for target objects near the vehicle
• Aggregating target object data, including the number and proximity of detected target objects
• Estimating a situational severity level for the thermal event based on target object data
• Determining if the severity level exceeds a maximum allowable level
• Commanding a vehicle subsystem to execute a control operation to mitigate the event if necessary

Potential Applications

• Electric vehicles
• Hybrid vehicles
• Autonomous vehicles
• Vehicle safety systems

Problems Solved

• Early detection and assessment of battery thermal events
• Mitigation of battery thermal events to prevent further damage or accidents
• Improved safety and reliability of electric and hybrid vehicles

Benefits

• Enhanced safety for vehicle occupants and surrounding objects
• Prevention of battery fires or explosions
• Reduction of damage to the vehicle and its components
• Improved overall performance and reliability of electric and hybrid vehicles

Abstract

Presented are smart vehicle systems and control logic for battery thermal event detection and severity assessment, methods for making/using such systems, and vehicles equipped with such systems. A method of operating a vehicle includes a resident or remote vehicle controller detecting a thermal event in at least one battery cell in the vehicle's battery system and, upon detection, monitoring the vehicle's surrounding area to detect target objects near the vehicle. Responsive to detecting any target objects near the vehicle, the controller aggregates target object data, including a total number of detected target objects and respective proximities of the detected target objects to the vehicle. Using this target object data, a situational severity level is estimated for the thermal event; the controller determines if the severity level exceeds a maximum allowable severity level. If so, the controller responsively commands a vehicle subsystem to execute a control operation to mitigate the event.

HIGH VOLTAGE SWITCHING FOR AN ELECTRIC VEHICLE (17839736)

Main Inventor

Dongxu Li

Brief explanation

The patent application describes a method for determining the operating mode of a vehicle and providing electric power accordingly. 

• The method determines whether the vehicle is operating in a first high voltage mode or a second high voltage mode.
• If the vehicle is in the first high voltage mode, electric power is provided to an electric motor at a first high voltage and an auxiliary device at a second high voltage.
• If the vehicle is in the second high voltage mode, electric power is provided to the electric motor and the auxiliary device at the second high voltage.

Potential applications of this technology:

• Electric vehicles: This method can be applied to electric vehicles to efficiently manage the power distribution between the electric motor and auxiliary devices.
• Hybrid vehicles: Hybrid vehicles can benefit from this method by optimizing power delivery to the electric motor and auxiliary devices based on the operating mode.

Problems solved by this technology:

• Efficient power management: The method ensures that electric power is provided at the appropriate voltage level based on the operating mode, improving overall power efficiency.
• Optimal power distribution: By providing different voltage levels to the electric motor and auxiliary device, the method allows for optimized power distribution based on the specific requirements of each component.

Benefits of this technology:

• Improved energy efficiency: By providing electric power at the appropriate voltage level, energy wastage is minimized, leading to improved overall energy efficiency.
• Enhanced performance: The optimized power distribution allows for better performance of the electric motor and auxiliary devices, resulting in improved vehicle performance.

Abstract

Examples described herein provide a method that includes determining whether a vehicle is operating in a first high voltage mode or a second high voltage mode. The method further includes, responsive to determining that the vehicle is operating in the first high voltage mode, providing electric power to an electric motor at a first high voltage and providing electric power to an auxiliary device at a second high voltage that is different than the first high voltage. The method further includes, responsive to determining that the vehicle is operating in the second high voltage mode, providing electric power to the electric motor at the second high voltage and providing electric power to the auxiliary device at the second high voltage.

RECHARGABLE ENERGY STORAGE SYSTEM BALANCING APPARATUS (17839769)

Main Inventor

Mohamed Kamel

Brief explanation

The patent application describes a rechargeable energy storage system that consists of multiple batteries connected in series to a DC bus at a specific voltage. It also includes a DC to DC converter with multiple inputs and outputs.

• The system has a series arrangement of batteries connected to a DC bus at a specific voltage.
• A DC to DC converter is included, which has multiple inputs and outputs.
• The inputs of the converter are connected to the batteries.
• The outputs of the converter are aggregated and can be connected to other DC buses using controllable switches.

Potential applications of this technology:

• Renewable energy systems: The rechargeable energy storage system can be used to store excess energy generated from renewable sources like solar or wind power.
• Electric vehicles: The system can be utilized in electric vehicles to store and manage the energy required for propulsion.
• Grid stabilization: The energy storage system can help stabilize the electrical grid by providing backup power during peak demand or grid disturbances.

Problems solved by this technology:

• Efficient energy storage: The system allows for efficient storage of energy from multiple batteries and provides flexibility in connecting to different DC buses.
• Integration of multiple power sources: The multi-input DC stage enables the integration of power from different sources, optimizing the overall energy storage system.
• Flexibility in power distribution: The controllable switches allow for flexible distribution of power to different DC buses as needed.

Benefits of this technology:

• Improved energy management: The system enables efficient storage and distribution of energy, leading to better management of power resources.
• Enhanced system reliability: The ability to connect to multiple DC buses and aggregate outputs improves the reliability and stability of the overall energy storage system.
• Increased flexibility: The system provides flexibility in integrating different power sources and distributing power to various applications or systems.

Abstract

A rechargeable energy storage system may include a series arrangement of a plurality of batteries coupled to a first DC bus at a first DC voltage. A DC to DC converter may include a multi-input DC input stage coupled to a multi-output DC output stage. The multi-input DC input stage may include multiple distributed DC inputs, each distributed DC input being coupled to a respective one of the plurality of batteries. The multi-output DC output stage may include multiple aggregated DC outputs. At least one controllable switch may couple one or more of the multiple aggregated DC outputs to one or more other DC buses.

OPTIMAL PULL OVER PLANNING UPON EMERGENCY VEHICLE SIREN DETECTION (17806298)

Main Inventor

Negin Lashkari

Brief explanation

The patent application describes methods and systems for a host vehicle to yield right of way to an emergency vehicle by pulling over to a designated location on the roadway. The system uses sensor data and map data to generate a grid of potential cells along the roadway for the host vehicle to pull over. The cells are prioritized based on various criteria, and the optimal pull over location is selected. The host vehicle then takes appropriate action based on the instructions provided by the system.

• Obtaining sensor data and map data pertaining to the roadway
• Generating a grid of potential cells for the host vehicle to pull over
• Prioritizing the cells based on different criteria
• Selecting the optimal pull over location for the host vehicle
• Instructing the host vehicle to take appropriate action based on the selected location

Potential Applications

• Improved traffic management during emergency situations
• Enhanced safety for emergency vehicles and other vehicles on the road

Problems Solved

• Difficulty for host vehicles in yielding right of way to emergency vehicles
• Lack of a systematic approach for host vehicles to pull over safely

Benefits

• Efficient and safe yielding of right of way to emergency vehicles
• Reduction in response time for emergency vehicles
• Minimization of traffic congestion during emergency situations

Abstract

Methods and systems are provided that include: obtaining sensor data pertaining to a roadway in which a host vehicle and an emergency vehicle are both travelling; generating, using map data pertaining to the roadway, a grid of a plurality of potential cells along the roadway for the host vehicle to pull over to yield right of way to the emergency vehicle; prioritizing, via a processor of the host vehicle, the plurality of potential cells based on a plurality of different criteria as to conditions of the host vehicle and the roadway; selecting, via the processor, one of the plurality of potential cells as an optimal pull over location for the host vehicle along the roadway, based on the prioritizing of the plurality of cells; and taking a vehicle action for the host vehicle, in accordance with instructions provided by the processor, with respect to the optimal pull over location.

CONTROL OF VEHICLE AUTOMATED DRIVING OPERATION WITH INDEPENDENT PLANNING MODEL AND COGNITIVE LEARNING MODEL (17835035)

Main Inventor

Zahy Bnaya

Brief explanation

The patent application describes a method for controlling automated driving operations using two independent models: a vehicle planning model and a cognitive learning model. These models are connected through a semantic layer, which includes data adaptors.

• The method involves transforming real traffic data into an abstract representation that can be used by the cognitive learning model to generate a humanized reward model.
• The vehicle planning model uses the humanized reward model to determine a trajectory plan for the automated driving operation.
• The automated driving operation is executed by a controller in the vehicle, based on the trajectory plan.

Potential Applications

• Autonomous vehicles: This technology can be applied to control the operations of autonomous vehicles, improving their planning and decision-making capabilities.
• Traffic management systems: The method can be used in traffic management systems to optimize traffic flow and reduce congestion.

Problems Solved

• Lack of human-like decision-making: The cognitive learning model generates a humanized reward model, allowing the automated driving system to make decisions that align with human preferences and behavior.
• Limited adaptability: The independent models and semantic layer enable the system to adapt to different driving scenarios and learn from real traffic data.

Benefits

• Improved safety: The method enhances the planning and decision-making capabilities of automated driving systems, leading to safer driving operations.
• Enhanced efficiency: By using real traffic data and a humanized reward model, the system can optimize driving trajectories and improve overall efficiency.
• Adaptability: The system can learn from real traffic data and adapt to different driving scenarios, making it more versatile and effective in various environments.

Abstract

A method for controlling an automated driving operation includes setting up respective independent models for executing planning and learning in the automated driving operation, including a vehicle planning model and a cognitive learning model. A semantic layer is generated to act as a bridge between the cognitive learning model and the vehicle planning model, the semantic layer including a first data adaptor and a second data adaptor. The method includes transforming real traffic data to a respective equivalent abstract representation such that it can be used by the cognitive learning model to generate a humanized reward model, via the first data adaptor. The method includes determining a trajectory plan, via the vehicle planning model, based in part on the humanized reward model. The vehicle has a controller that executes the automated driving operation based in part on the trajectory plan.

ENVIRONMENTAL STATE DETECTION BY OBSERVING ROAD VEHICLE BEHAVIORS (17836429)

Main Inventor

Rasoul Salehi

Brief explanation

The abstract describes a patent application for a vehicle and a system for operating the vehicle. The system includes a sensor and a processor. The sensor collects raw data about a road actor in the vehicle's environment, while the processor analyzes this data to determine the current behavior of the road actor in response to the environmental state. Based on this analysis, the processor determines the environmental state and plans a driving policy for the vehicle accordingly. Finally, the vehicle's movement is controlled according to the driving policy.

• The patent application describes a vehicle system that uses sensors and a processor to analyze the behavior of road actors in the vehicle's environment.
• The system determines the current behavior of road actors based on raw data collected by the sensors.
• The environmental state is determined based on the current behavior of road actors.
• A driving policy is planned for the vehicle based on the environmental state.
• The vehicle's movement is controlled according to the driving policy.

Potential Applications

• Autonomous vehicles: The technology can be used in autonomous vehicles to analyze the behavior of other vehicles, pedestrians, and objects in the environment and plan driving policies accordingly.
• Advanced driver assistance systems (ADAS): The system can be integrated into ADAS to enhance the vehicle's ability to detect and respond to the behavior of road actors in real-time.

Problems Solved

• Improved understanding of road actor behavior: The system provides a means to analyze and understand the behavior of road actors in response to the environmental state, allowing for better decision-making in vehicle control.
• Enhanced safety: By analyzing the behavior of road actors, the system can help identify potential risks and plan driving policies that prioritize safety.

Benefits

• Increased efficiency: The system's ability to analyze road actor behavior and plan driving policies based on the environmental state can lead to more efficient and optimized vehicle movements.
• Improved safety: By understanding the behavior of road actors and planning driving policies accordingly, the system can help prevent accidents and improve overall road safety.

Abstract

A vehicle and a system and method for operating the vehicle. The system includes a sensor and a processor. The sensor is configured to obtain raw data of a road actor in an environment. The processor is configured to determine a current behavior of the road actor from the raw data, wherein the current behavior is in response to an environmental state, determine the environmental state based on the current behavior of the road actor, plan a driving policy for the vehicle based on the environmental state, and actuate a movement of the vehicle according to the driving policy.

WHEEL HOUSING STRAKES FOR A VEHICLE (17835114)

Main Inventor

Lucas Mozelli Padial

Brief explanation

The abstract describes a wheel housing for a vehicle that includes a surface facing the axle, a curved surface extending outward from the axle-facing surface, and several protruding strakes. These strakes are designed to condition the airflow generated by the vehicle's wheel.

• The wheel housing has an axially facing surface.
• It also has a curvilinear surface that extends outwardly from the axially facing surface.
• The wheel housing includes a plurality of strakes that protrude outwardly from either the axially facing surface or the curvilinear surface.
• The purpose of these strakes is to condition the air flow created by the vehicle's wheel.

Potential applications of this technology:

• Automotive industry: The wheel housing can be used in various types of vehicles, such as cars, trucks, and motorcycles.
• Aerodynamics research: The design of the wheel housing can be studied and tested to improve the overall aerodynamic performance of vehicles.

Problems solved by this technology:

• Airflow disruption: The strakes help to control and condition the air flow around the vehicle's wheel, reducing turbulence and improving overall aerodynamic efficiency.
• Drag reduction: By optimizing the air flow around the wheel, the wheel housing can help reduce drag, resulting in improved fuel efficiency and performance.

Benefits of this technology:

• Improved aerodynamics: The wheel housing design helps to streamline the air flow around the vehicle's wheel, reducing drag and improving overall efficiency.
• Fuel efficiency: By reducing drag, the wheel housing can contribute to improved fuel economy, saving costs for vehicle owners.
• Performance enhancement: The optimized air flow can also enhance the vehicle's performance, such as stability and handling.

Abstract

A wheel housing for a vehicle includes an axially facing surface, a curvilinear surface extending outwardly from the axially facing surface, and a plurality of strakes protruding outwardly from one of the axially facing surface and the curvilinear surface. The plurality of strakes conditioning an air flow produced by a vehicle wheel.

SYSTEM INCLUDING A THERMO-STRUCTURAL SPACER FOR AIR INLET AND COMPRESSOR INTERFACE (17835250)

Main Inventor

Abhishek Kumar Sahu

Brief explanation

The abstract describes a thermo-structural spacer that is designed to restrict heat transfer between two flanges. The spacer consists of a cylindrical center portion, a first flange connected to one end of the center portion, and a second flange connected to the other end. The spacer also includes an annular inner wall with a through hole. The center portion is narrower than both flanges.

• The thermo-structural spacer is cylindrical in shape with two flanges on either end.
• It has an annular inner wall with a through hole running through its longitudinal axis.
• The center portion of the spacer is narrower than both flanges.
• The purpose of the spacer is to restrict heat transfer between the two flanges.

Potential applications of this technology:

• Industrial machinery and equipment where heat transfer needs to be controlled.
• Automotive industry for thermal insulation between engine components.
• Aerospace industry for thermal management in aircraft structures.

Problems solved by this technology:

• Minimizes heat transfer between two flanges, preventing thermal damage or inefficiency.
• Provides a structural component that can withstand high temperatures while maintaining thermal insulation.

Benefits of this technology:

• Improved efficiency and performance of machinery and equipment.
• Enhanced thermal management and protection of sensitive components.
• Increased lifespan of equipment by reducing thermal stress.

Abstract

A thermo-structural spacer is provided. The spacer includes a cylindrical center portion, a first flange connected to a first end of the cylindrical center portion, a second flange connected to a second end of the cylindrical center portion. The second end is distal from the first end. The spacer further includes an annular inner wall configured for providing a through hole extending through a longitudinal axis of the thermo-structural spacer. The cylindrical center portion is narrower than the first flange. The cylindrical center portion is narrower than the second flange. The thermo-structural spacer is configured for restricting heat transfer between the first flange and the second flange.

LIDAR RESONATOR WITH DYNAMIC FORCE EQUILIBRIUM (17806304)

Main Inventor

Qijun Zhang

Brief explanation

The abstract describes a LiDAR resonator with dynamic force equilibrium, which includes a spring fork mechanism, an optical module, a voice coil, a counterweight, and a signal source.

• The spring fork mechanism has two tines with the same stiffness and is designed to resonate at a specific frequency.
• The optical module is mounted on one of the tines and is responsible for transmitting a light pulse and receiving its reflection.
• The voice coil is also mounted on the same tine as the optical module and generates an alternating magnetic field at the resonant frequency.
• The counterweight is mounted on the other tine and has the same mass and center of gravity as the combined optical module and voice coil.
• A signal source is used to couple an alternating current signal at the resonant frequency to the voice coil, causing it to generate an alternating magnetic force between the voice coil and the counterweight.

Potential applications of this technology:

• LiDAR systems for autonomous vehicles and robotics.
• Distance measurement and mapping in various industries, such as construction, agriculture, and forestry.
• Object detection and collision avoidance systems.
• 3D scanning and imaging for virtual reality and augmented reality applications.

Problems solved by this technology:

• Maintains dynamic force equilibrium, ensuring stable and accurate operation of the LiDAR resonator.
• Provides a resonant frequency for optimal performance and sensitivity.
• Reduces vibrations and unwanted movements that could affect the LiDAR measurements.

Benefits of this technology:

• Improved accuracy and precision in LiDAR measurements.
• Enhanced stability and reliability of the LiDAR system.
• Reduced interference from external vibrations and disturbances.
• Compact and lightweight design for easy integration into various applications.

Abstract

A LiDAR resonator with dynamic force equilibrium that includes a spring fork mechanism having a first tine and a second tine with the same stiffness as the first tine, wherein the spring fork mechanism is configured to resonate at a resonant frequency, an optical module, mounted to the first tine, for transmitting a light pulse and receiving a reflection of the light pulse, a voice coil, also mounted to the first tine, for generating an alternating magnetic field at the resonant frequency, a counterweight, mounted to the second tine, having a mass and CG equal to a mass and CG of the combined optical module and the voice coil, and a signal source for coupling an alternating current signal at the resonant frequency to the voice coil such that the voice coil is operative to generate an alternating magnetic force at the resonant frequency between the voice coil and the counterweight.

MICRO-AUTHORIZATION OF REMOTE ASSISTANCE FOR AN AUTONOMOUS VEHICLE (18453293)

Main Inventor

Drew Gross

Brief explanation

The abstract describes a system for remotely authorizing assistance for an autonomous vehicle. Here is a simplified explanation of the abstract:

• The system activates a constraint that prevents the autonomous vehicle from moving using a mechanical system.
• The autonomous vehicle's computing system sends a signal to a remote computing system to identify the activated constraint.
• The remote computing system generates instructions to deactivate the constraint and specifies a distance for the vehicle to advance.
• The remote computing system sends a return signal with the instructions and distance to the autonomous vehicle.
• The autonomous vehicle's computing system deactivates the constraint and controls the mechanical system to advance the vehicle if the signal latency is below a certain threshold.

Potential applications of this technology:

• Remote assistance for autonomous vehicles in situations where they are unable to move due to mechanical constraints.
• Enabling remote control of autonomous vehicles to overcome obstacles or navigate difficult terrain.
• Providing a backup system for autonomous vehicles in case of technical issues or emergencies.

Problems solved by this technology:

• Overcoming mechanical constraints that prevent an autonomous vehicle from moving.
• Allowing remote assistance to be provided to autonomous vehicles in real-time.
• Providing a solution for situations where the autonomous vehicle's computing system cannot handle the obstacle or terrain.

Benefits of this technology:

• Increased flexibility and adaptability for autonomous vehicles in challenging situations.
• Improved safety by allowing remote assistance to be provided when needed.
• Potential cost savings by avoiding the need for physical intervention or towing in certain situations.

Abstract

Micro-authorization of remote assistance for an autonomous vehicle is described herein. A constraint that inhibits propulsion by a mechanical system of the autonomous vehicle is activated by a computing system of the autonomous vehicle, wherein a signal that identifies the activated constraint is transmitted from the autonomous vehicle to a remote computing system. The remote computing system generates instructions to deactivate the activated constraint. A return signal is transmitted from the remote computing system that specifies instructions to deactivate the constraint and a distance to desirably advance the autonomous vehicle. The computing system of the autonomous vehicle deactivates the constraint and the mechanical system is controlled to advance the autonomous vehicle when signal latency is less than a predetermined threshold duration of time.

SYSTEM AND METHOD FOR OCCLUSION RECONSTRUCTION IN SURROUND VIEWS USING TEMPORAL INFORMATION (17835310)

Main Inventor

Yehonatan Mandel

Brief explanation

The patent application describes a system for reconstructing occlusions in surround views using temporal information. The system includes an active camera device and a computerized visual data controller.

• The system analyzes image data from the camera to generate a three-dimensional representation of the operating environment.
• It synthesizes a virtual camera view of the environment from a desired viewpoint.
• It identifies occlusions in the virtual camera view.
• It uses historical iterations of the image data to identify immobile objects in the environment.
• It estimates filled information for the occlusions using the historical iterations.
• It reconstructs the occlusions with the filled information using pixel data from the immobile objects.
• It utilizes the representation of the environment to provide navigational guidance.

Potential applications of this technology:

• Automotive industry: This system can be used in surround view systems for vehicles, providing drivers with a clear and accurate view of their surroundings, even when certain objects are obstructed.
• Surveillance: The system can be used in surveillance cameras to reconstruct occluded areas and provide a complete view of the monitored environment.
• Virtual reality: This technology can be applied in virtual reality systems to enhance the user's experience by reconstructing occluded objects or areas in the virtual environment.

Problems solved by this technology:

• Occlusions in surround views can hinder situational awareness and navigation. This system solves the problem by reconstructing occlusions using historical iterations of image data.
• Traditional methods of occlusion reconstruction may be computationally expensive or inaccurate. This system utilizes temporal information and immobile objects to estimate filled information for occlusions, improving accuracy and efficiency.

Benefits of this technology:

• Improved situational awareness: By reconstructing occlusions, this system provides users with a more complete and accurate view of their surroundings, enhancing safety and navigation.
• Cost-effective solution: By utilizing historical iterations of image data and immobile objects, this system reduces the need for complex and expensive hardware or additional sensors.
• Real-time guidance: The system utilizes the representation of the environment to provide navigational guidance, helping users navigate through occluded areas more effectively.

Abstract

A system for occlusion reconstruction in surround views using temporal information is provided. The system includes an active camera device generating image data describing a first view of an operating environment and a computerized visual data controller. The controller includes programming to analyze the image data to generate a three-dimensional computerized representation of the operating environment, utilize the image data and the representation of the operating environment to synthesize a virtual camera view of the operating environment from a desired viewpoint, and identify an occlusion in the virtual camera view. The controller further includes programming to utilize historical iterations of the image data identify immobile objects within the operating environment and utilize the historical iterations to estimate filled information for the occlusion. The controller further includes programming to reconstruct the occlusion with the filled information using pixel data from the immobile objects and utilize the representation to provide navigational guidance.

SYSTEM AND METHOD FOR DYNAMIC DIMENSIONING OF VEHICLE AND TRAILER FROM SHADOW PROFILING (17806023)

Main Inventor

Utkarsh Saini

Brief explanation

The patent application describes a system in a vehicle that can calculate the vehicle's dimensions using solar shadow information. 

• The system calculates the position of the sun and the expected shadow of the vehicle based on the location, time, and dynamics of the vehicle.
• It then detects the actual shadow of the vehicle using a camera.
• The system compares the actual shadow to the expected shadow to determine the vehicle's dimension profile and maximum height point, taking into account any cargo on the vehicle.
• It calculates a confidence level for the dimension profile and maximum height point.
• If the confidence level is above a certain threshold, the system provides dimension notifications.

Potential applications of this technology:

• This system can be used in autonomous vehicles to accurately determine the dimensions of the vehicle and its cargo, which can be useful for navigation and avoiding obstacles.
• It can also be used in logistics and transportation industries to ensure that vehicles are loaded within their height limits and to prevent damage to overhead structures.

Problems solved by this technology:

• This system solves the problem of accurately calculating the dimensions of a vehicle and its cargo in real-time.
• It eliminates the need for manual measurements or estimations, which can be time-consuming and prone to errors.

Benefits of this technology:

• The system provides accurate and real-time dimension calculations, which can improve the safety and efficiency of vehicle operations.
• It reduces the risk of accidents or damage caused by vehicles exceeding their height limits.
• The system can be integrated into existing vehicle camera systems, making it cost-effective and easy to implement.

Abstract

A dimension calculation system in a host vehicle for dynamically calculating a vehicle dimension using solar shadow information is disclosed. The system is configured to: calculate solar position and an expected vehicle shadow based on geocode location, time and vehicle dynamics; detect an actual vehicle shadow in an image from a vehicle camera; compare the actual vehicle shadow to an expected vehicle shadow; determine a dimension profile and max height point for a vehicle plus vehicle cargo based on a comparison of the actual vehicle shadow to the expected vehicle shadow; calculate a confidence level for the dimension profile and max height point for the vehicle plus cargo; and use the dimension profile and max height point to provide one or more dimension notifications when the confidence level for the dimension profile and max height point for the vehicle plus cargo are above a first threshold level.

LITHIUM-ION BATTERY INCLUDING ANODE-FREE CELLS (17879210)

Main Inventor

Yong LU

Brief explanation

The abstract describes a hybridized lithium-ion battery with positive and negative electrode assemblies, as well as separating layers. Here are the key points:

• The battery includes positive electrode assemblies with a positive electrode current collector and positive electroactive material layers.
• It also includes two or more negative electrode current collectors with negative electroactive material layers.
• The total number of positive electroactive material layers is greater than the total number of negative electroactive material layers.
• Two or more separating layers physically separate the positive electrode assemblies and the negative electroactive material layers or the positive electrode assemblies and the negative electrode current collectors.

Potential applications of this technology:

• Electric vehicles: The hybridized lithium-ion battery could be used in electric vehicles to provide improved energy storage and longer driving ranges.
• Renewable energy storage: The battery could be used to store energy from renewable sources like solar or wind power, allowing for more efficient use and grid stabilization.
• Portable electronics: The hybridized battery could be used in smartphones, laptops, and other portable devices to provide longer battery life and improved performance.

Problems solved by this technology:

• Energy density: The hybridized battery design allows for a higher total number of positive electroactive material layers, increasing the energy density and overall capacity of the battery.
• Efficiency: The separating layers help prevent short circuits and improve the overall efficiency and safety of the battery.
• Performance: By optimizing the ratio of positive to negative electroactive material layers, the battery can provide improved performance and longer-lasting power.

Benefits of this technology:

• Increased energy storage: The hybridized battery design allows for a higher total number of positive electroactive material layers, resulting in increased energy storage capacity.
• Longer battery life: The improved energy density and optimized electroactive material ratio contribute to longer battery life and extended usage time.
• Enhanced performance: The hybridized battery design and separating layers improve the overall performance, efficiency, and safety of the battery.

Abstract

A hybridized lithium-ion battery that includes one or more positive electrode assemblies is provided. Each of the one or more positive electrode assemblies includes a positive electrode current collector and one or more positive electroactive material layers disposed on one or more surfaces of the positive electrode current collector. The hybridized lithium-ion battery also includes two or more negative electrode current collectors, and one or more negative electroactive material layers disposed on one or more surfaces of at least one of the two or more negative electrode current collectors, where a total number of the one or more positive electroactive material layers is greater than a total number of negative electroactive material layers. The hybridized lithium-ion battery also includes two or more separating layers physically separating the positive electrode assemblies and the negative electroactive material layers or the positive electrode assemblies and the negative electrode current collectors.

SOLAR CHARGING USING ADJUSTABLE SECONDARY BATTERY (17839823)

Main Inventor

Taeyoung Han

Brief explanation

The abstract describes a solar energy charging system for a vehicle that includes a dynamically adjustable battery (DAB) connected to a solar energy conversion device. The DAB can be controlled to adjust its output voltage and supply electrical power to a vehicle battery assembly. A controller detects the input voltage to the conversion device, selects an output voltage for the DAB based on the input voltage, and controls the DAB to provide the selected output voltage to charge the battery assembly through a high voltage DC-DC converter.

• The system includes a dynamically adjustable battery (DAB) that can be controlled to adjust its output voltage.
• The DAB is connected to a solar energy conversion device and charged by it.
• The DAB supplies electrical power generated by the solar energy conversion device to a vehicle battery assembly.
• A controller is responsible for detecting the input voltage to the conversion device.
• The controller selects an output voltage for the DAB based on the detected input voltage.
• The DAB is controlled by the controller to provide the selected output voltage to a high voltage DC-DC converter.
• The high voltage DC-DC converter charges the vehicle battery assembly.

Potential Applications

• Solar energy charging systems for electric vehicles.
• Renewable energy integration into vehicles.
• Off-grid charging solutions for vehicles.

Problems Solved

• Efficiently charging a vehicle battery assembly using solar energy.
• Optimizing the output voltage of the battery to match the input voltage from the solar energy conversion device.
• Providing a dynamically adjustable battery that can adapt to different solar energy conditions.

Benefits

• Increased utilization of renewable energy for vehicle charging.
• Improved efficiency in charging the vehicle battery assembly.
• Flexibility to adjust the output voltage of the battery based on the input voltage from the solar energy conversion device.

Abstract

A solar energy charging system of a vehicle includes a dynamically adjustable battery (DAB) configured to be connected to a solar energy conversion device and charged by the solar energy conversion device. The DAB is controllable to adjust an output voltage of the DAB to one of a plurality of output voltages, and the DAB is configured to supply electrical power generated by the solar energy conversion device to a vehicle battery assembly. The solar energy charging system also includes a controller configured to detect an input voltage to the conversion device, select an output voltage of the DAB based on the input voltage, and control the DAB to provide the selected output voltage to a high voltage DC-DC converter to charge the battery assembly.

COMPOSITE MATERIALS SYSTEMS FOR BATTERY HOUSINGS AND COVERS HAVING IMPROVED THERMAL PERFORMANCE (17835612)

Main Inventor

Venkateshwar R. AITHARAJU

Brief explanation

The present disclosure is about a composite material housing for a battery pack that helps reduce or prevent thermal runaway propagation. The housing is made of a polymeric structure with an interior-facing surface and an exterior-facing surface. It includes a fire resistant material layer on the interior-facing surface and a reinforcing material layer on the exterior-facing surface. Additionally, there is a metallic layer on the exterior-facing surface that can delaminate and form insulating air gaps when exposed to high temperatures.

• The composite material housing is designed to minimize the spread of thermal runaway in battery packs.
• It consists of a polymeric structure with fire resistant and reinforcing material layers.
• The exterior-facing surface has a metallic layer that can delaminate and create insulating air gaps.
• The metallic layer forms a thermal barrier after exposure to temperatures of 500°C or higher.

Potential Applications

• Battery packs for electric vehicles
• Energy storage systems
• Portable electronic devices

Problems Solved

• Thermal runaway propagation in battery packs
• Fire hazards in battery systems
• Damage to surrounding components due to high temperatures

Benefits

• Improved safety in battery packs
• Reduced risk of fire and explosions
• Enhanced protection for surrounding components
• Increased reliability and lifespan of battery systems

Abstract

The present disclosure provides a composite material housing for a battery pack for reducing or minimizing thermal runaway propagation. The composite material housing includes a polymeric structure defining an interior-facing surface and an exterior-facing surface. The polymeric structure includes a fire resistant material layer and a reinforcing material layer, where the fire resistant material layer defines an interior-facing surface, and the reinforcing material layer defines the exterior-facing surface. The composite material further includes a metallic layer disposed along the exterior-facing surface, where in a first operational mode the metallic layer contacts the exterior-facing surface and in a second operational mode, after exposure to a thermal load of greater than or equal to about 500° C., the metallic layer at least partially delaminates from the exterior-facing surface and forms one or more insulating air gaps that define a thermal barrier.

BATTERY CELL ENCLOSURE WITH ANTI-GRAVITY ELECTROLYTE DISTRIBUTION (17835344)

Main Inventor

Jing Gao

Brief explanation

The patent application describes a battery cell design that includes an anode, a cathode, a liquid electrolyte, and a battery cell case. The case is designed to house the anode, cathode, and electrolyte, and it has a patterned interior wall that affects the surface tension of the electrolyte. This pattern allows the electrolyte to move against gravity and distribute itself evenly along the battery cell wall.

• The battery cell case is configured to house the anode, cathode, and liquid electrolyte.
• The case has a patterned interior wall that varies in surface tension between hydrophobic and hydrophilic.
• The pattern of surface tension helps the liquid electrolyte move against gravity.
• The electrolyte is distributed evenly along the battery cell wall due to this self-propulsion.

Potential Applications

• This battery cell design can be used in various electronic devices that require a reliable and efficient power source.
• It can be particularly useful in portable devices like smartphones, tablets, and laptops.

Problems Solved

• The design solves the problem of uneven distribution of the liquid electrolyte in battery cells.
• It ensures that the electrolyte is evenly distributed along the battery cell wall, improving the overall performance and lifespan of the battery.

Benefits

• The self-propulsion of the electrolyte allows for a more efficient use of the battery's capacity.
• The even distribution of the electrolyte helps prevent hotspots and improves the overall stability and safety of the battery.
• This design can potentially increase the lifespan of the battery and reduce the need for frequent replacements.

Abstract

A battery cell includes an anode, a cathode, a liquid electrolyte, and a battery cell case. The battery cell case is configured to house the anode, the cathode, and the liquid electrolyte and includes a case interior wall arranged proximate one of the anode and the cathode, a battery case ceiling, and a battery case floor catching and collecting the liquid electrolyte due to force of gravity. The case interior wall defines a pattern of surface tension varying between hydrophobic and hydrophilic along the case interior wall between the battery case floor and the battery cell ceiling. The pattern of surface tension thereby facilitates self-propulsion of the liquid electrolyte in opposition to the force of gravity and a predetermined distribution of the liquid electrolyte along the battery cell wall.

FINGERPROOF TERMINAL ARRANGEMENT FOR HIGH-VOLTAGE APPLICATIONS (17836938)

Main Inventor

Mitchell Stojanovski

Brief explanation

The abstract describes a terminal arrangement for high-voltage batteries. It consists of a substrate with concentric tubular inner and outer walls, and an annular terminal placed between them. The dimensions of the inner and outer walls and the annular terminal are designed to prevent human fingertips above a certain size from touching the terminal.

• The terminal arrangement is designed for high-voltage batteries.
• It includes a substrate with concentric inner and outer walls.
• An annular terminal is placed between the inner and outer walls.
• The dimensions of the walls and terminal prevent large human fingertips from touching the terminal.

Potential Applications

• Electric vehicles
• Renewable energy storage systems
• High-voltage power distribution systems

Problems Solved

• Prevents accidental contact with high-voltage terminals
• Reduces the risk of electric shock or injury
• Ensures safety during battery handling and maintenance

Benefits

• Enhanced safety for users and technicians
• Minimizes the risk of electrical accidents
• Facilitates safe handling and maintenance of high-voltage batteries

Abstract

A terminal arrangement for high-voltage batteries is disclosed. The terminal arrangement includes a substrate having concentric generally tubular inner and outer walls extending from an upper surface of the substrate, with an annular terminal disposed on the upper surface between the inner and outer walls. The inner and outer walls have respective inner and outer heights above a top surface of the annular terminal and the annular terminal has a radial span between the inner and outer walls, wherein the inner and outer heights and the radial span are sized so as to preclude human fingertips above a predetermined size from touching the annular terminal.

METHOD AND SYSTEM FOR CHARGING A LITHIUM METAL BATTERY (17747528)

Main Inventor

Jing Gao

Brief explanation

The abstract describes a method and system for charging a battery, specifically a lithium metal anode battery used in a vehicle propulsion system. The method involves determining a charging current profile for the battery's anode, creating an increasing current charging protocol based on this profile, and then charging the battery using this protocol.

• The method is specifically designed for charging lithium metal anode batteries.
• It involves determining a charging current profile for the battery's anode.
• Based on this profile, an increasing current charging protocol is created.
• The battery is then charged using this protocol.

Potential applications of this technology:

• This technology can be applied to charging vehicle batteries that use lithium metal anodes.
• It can be used in electric vehicles, hybrid vehicles, and other vehicles with lithium metal anode batteries.

Problems solved by this technology:

• Lithium metal anode batteries require specific charging protocols to ensure efficient and safe charging.
• This technology solves the problem of determining the appropriate charging current profile for such batteries.
• It also addresses the need for an increasing current charging protocol to optimize the charging process.

Benefits of this technology:

• The method and system provide an efficient and safe way to charge lithium metal anode batteries.
• By determining the charging current profile and using an increasing current charging protocol, the battery can be charged more effectively.
• This technology can help extend the lifespan of lithium metal anode batteries and improve their overall performance.

Abstract

The concepts herein provide a method and associated system for charging a battery, such as a vehicle battery that is part of a propulsion system. The method includes determining a charging current profile for a lithium metal anode of the battery, determining an increasing current charging protocol based upon the charging current profile and charging the battery based upon the increasing current charging protocol.

RECHARGABLE ENERGY STORAGE SYSTEM BALANCING (17839691)

Main Inventor

Mohamed Kamel

Brief explanation

The abstract describes a method and apparatus for transferring electrical energy between a pair of series connected batteries and a power inverter connected to a motor's stator winding. The power inverter operates as a switched-mode power converter to charge and discharge the stator phase windings using the batteries.

• The method involves connecting a midpoint of the series connected batteries to the motor's stator winding.
• The power inverter is controlled to function as a switched-mode power converter.
• The power inverter charges one of the stator phase windings from one battery and discharges it to the other battery.

Potential Applications:

• This technology can be applied in electric vehicles to efficiently transfer electrical energy between batteries and the motor.
• It can be used in renewable energy systems to optimize energy storage and utilization.

Problems Solved:

• The technology solves the problem of efficiently transferring electrical energy between batteries and a motor's stator winding.
• It addresses the challenge of managing power flow in systems with series connected batteries.

Benefits:

• The method and apparatus enable efficient charging and discharging of stator phase windings, improving overall energy utilization.
• It allows for better control and management of power flow in systems with series connected batteries.
• The technology can contribute to increased efficiency and performance in electric vehicles and renewable energy systems.

Abstract

A method and apparatus for electrical energy transfer between a pair of series connected batteries coupled between positive and negative DC rails of a power inverter operatively connected to a plurality of stator phase windings of a stator winding of a motor may include coupling a midpoint of the pair of series connected batteries to the stator winding of the motor, and controlling the power inverter to operate the power inverter and the stator winding as a switched-mode power converter to charge at least one of the stator phase windings from one of the pair of series connected batteries and to discharge the at least one of the stator phase windings to the other of the pair of series connected batteries.

METHOD AND APPARATUS FOR ELECTRIC MOTOR CONTROL (17825158)

Main Inventor

Yue-Yun Wang

Brief explanation

The abstract describes a method and apparatus for controlling an electric motor using a model predictive controller in a d-q reference frame. The controller generates voltage command signals that counteract magnetic cross coupling within the motor.

• The patent application describes a method and apparatus for controlling electric motors.
• The control is achieved using a model predictive controller operating in a d-q reference frame.
• The controller generates d-q reference frame voltage command signals.
• The voltage command signals are designed to counteract magnetic cross coupling within the motor.

Potential Applications

This technology can be applied in various industries and applications, including:

• Electric vehicles: Improved motor control can enhance the performance and efficiency of electric vehicles.
• Industrial automation: Precise motor control can optimize the operation of machinery and equipment.
• Robotics: Accurate motor control is crucial for the movement and manipulation of robotic systems.
• Renewable energy: Efficient motor control can enhance the performance of wind turbines and solar tracking systems.

Problems Solved

The technology addresses the following problems:

• Magnetic cross coupling: The method and apparatus counteract the negative effects of magnetic cross coupling within the motor, which can lead to reduced performance and efficiency.
• Inefficient motor control: The model predictive controller improves the accuracy and effectiveness of motor control, leading to better overall performance.
• Lack of d-q reference frame control: The use of a d-q reference frame allows for more precise control of the motor, mitigating issues related to cross coupling.

Benefits

The technology offers several benefits:

• Improved motor performance: The method and apparatus optimize motor control, resulting in enhanced performance, efficiency, and reliability.
• Reduced energy consumption: By counteracting magnetic cross coupling, the technology helps minimize energy losses and improve overall energy efficiency.
• Enhanced system stability: The precise control provided by the model predictive controller improves the stability and responsiveness of the motor system.
• Increased lifespan: By mitigating the negative effects of cross coupling, the technology can help extend the lifespan of the motor.

Abstract

A method and apparatus for electric motor control includes a model predictive controller operating in a d-q reference frame to provide d-q reference frame voltage command signals that counteract a magnetic cross coupling within the motor.

ADAPTIVE FILTERS IN VEHICLE POWER LINE COMMUNICATION (17747617)

Main Inventor

Shlomo Malka

Brief explanation

The abstract describes a power line communication (PLC) system in a vehicle that uses power lines to connect and communicate between different nodes, which can be controllers or sensors. The system includes adaptive filters that can dynamically change the frequency range for communication over the power lines.

• The PLC system is designed for use in vehicles.
• It utilizes power lines to establish communication networks between nodes.
• Nodes can be controllers or sensors.
• The system includes one or more adaptive filters.
• Adaptive filters can change the frequency range for communication over power lines.
• The frequency range can be dynamically adjusted.
• This allows for flexible and efficient communication within the vehicle.

Potential Applications

• Vehicle communication systems
• Intelligent transportation systems
• Automotive diagnostics and monitoring
• Vehicle control and automation

Problems Solved

• Limited communication options in vehicles
• Interference and noise on power lines
• Inefficient communication over power lines

Benefits

• Utilizes existing power lines for communication, reducing the need for additional wiring.
• Enables flexible and adaptable communication within the vehicle.
• Improves efficiency and reliability of communication systems in vehicles.
• Facilitates integration of various controllers and sensors in the vehicle.

Abstract

A power line communication (PLC) system in a vehicle includes one or more networks with one or more sub-networks of nodes interconnected by power lines that deliver direct current (DC) to the nodes. Each of the nodes is a controller or a sensor. The PLC system also includes one or more adaptive filters. Each of the one or more adaptive filters is coupled to a port of one of the nodes and dynamically changes a frequency range within which communication from and to the port of the one of the nodes over the power lines is possible.

METHOD TO EXTEND OPERATIONAL DOMAIN USING PRE-DOWNLOADS OF TILES FOR NON- OR LOW CELLULAR SIGNAL AREA (17805982)

Main Inventor

Gabriel Tayoung Choi

Brief explanation

The patent application describes methods and systems for downloading geographic information for a vehicle's navigation system. Here are the key points:

• The method involves identifying the geographic areas that a vehicle will travel through along a selected route to a destination.
• The system then identifies the map tiles corresponding to these geographic areas, with each tile representing a different area.
• Data access information for each geographic area is obtained, which likely includes details about the availability and speed of data connections in those areas.
• Based on this data access information, the system determines a prioritized sequence for downloading the map tiles.
• This prioritization ensures that the most important map tiles are downloaded first, potentially based on factors like the vehicle's current location, the expected time of arrival, or the quality of data connections in different areas.

Potential applications of this technology:

• Vehicle navigation systems: This technology can be used to efficiently download and update map data for navigation systems in cars, trucks, and other vehicles.
• Mobile mapping applications: It can also be applied to mobile mapping apps on smartphones and tablets, ensuring that users have access to the necessary map data for their desired routes.

Problems solved by this technology:

• Efficient data downloading: By prioritizing the download of map tiles based on data access information, this technology ensures that the most relevant and necessary map data is available to the user without wasting time and resources on unnecessary downloads.
• Seamless navigation experience: By downloading map tiles in a prioritized sequence, the system can ensure that the user has access to the required map data for their entire route, even in areas with limited or unreliable data connections.

Benefits of this technology:

• Improved navigation accuracy: By downloading and updating map data efficiently, this technology helps ensure that navigation systems have the most up-to-date and accurate information, leading to better route guidance and navigation.
• Time and resource savings: By prioritizing the download of map tiles, this technology optimizes the use of data connections and reduces the time and resources required for downloading map data.
• Enhanced user experience: By seamlessly providing the necessary map data for the user's route, this technology improves the overall navigation experience, reducing the chances of getting lost or encountering navigation errors.

Abstract

In exemplary embodiments, methods and systems are provided for downloading of geographic information. In accordance with an exemplary embodiment, a method is provided that includes the following steps: identifying, via a processor using map data, a plurality of geographic areas in which a vehicle is to travel along a selected route to a destination; identifying, via the processor using the map data, a plurality of map tiles corresponding to the plurality of geographic areas, such that each of the plurality of map tiles corresponds to a different one of the plurality of geographic areas; obtaining data access information for each of the plurality of geographic areas; and determining, via the processor, a prioritized sequence for downloading the plurality of map tiles, based on the data access information for the plurality of geographic areas.