18625832. RUNNING CONTROL DEVICE AND METHOD FOR A VEHICLE simplified abstract (TOYOTA JIDOSHA KABUSHIKI KAISHA)

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RUNNING CONTROL DEVICE AND METHOD FOR A VEHICLE

Organization Name

TOYOTA JIDOSHA KABUSHIKI KAISHA

Inventor(s)

Kaoru Shimura of Toyota-shi (JP)

Yuki Tezuka of Toyota-shi (JP)

Koki Suwabe of Toyota-shi (JP)

RUNNING CONTROL DEVICE AND METHOD FOR A VEHICLE - A simplified explanation of the abstract

This abstract first appeared for US patent application 18625832 titled 'RUNNING CONTROL DEVICE AND METHOD FOR A VEHICLE

The patent application describes a running control device for a vehicle that calculates a target steering angle to bring the vehicle's lateral position in a lane to a target position and controls the automatic steering device accordingly.

  • Lane information acquisition device and electronic control unit work together for running control.
  • Calculates lane curvature and estimated lateral acceleration based on lane information.
  • Obtains information about lane cant in front of the vehicle.
  • Calculates estimated cant lateral acceleration based on lane cant.
  • No running control if corrected estimated lateral acceleration exceeds a reference value.
      1. Potential Applications:

This technology can be applied in autonomous vehicles, advanced driver assistance systems, and vehicle safety systems.

      1. Problems Solved:

1. Ensures precise control of the vehicle's lateral position in the lane. 2. Enhances safety by considering lane curvature and cant in running control decisions.

      1. Benefits:

1. Improved vehicle stability and control. 2. Enhanced safety on the road. 3. Potential for reducing accidents related to lane departure.

      1. Commercial Applications:

This technology can be utilized by automotive manufacturers, technology companies developing autonomous vehicles, and companies focusing on driver safety systems.

      1. Prior Art:

Readers can explore prior patents related to lane-keeping systems, autonomous vehicle control, and vehicle safety technologies to understand the evolution of this innovation.

      1. Frequently Updated Research:

Stay updated on advancements in autonomous vehicle technology, lane-keeping systems, and vehicle control algorithms to understand the latest trends in the field.

        1. Questions about Running Control Device for a Vehicle:

1. How does the running control device calculate the target steering angle for the vehicle? 

  - The running control device calculates the target steering angle based on the lane information acquired and the desired lateral position within the lane.

2. What is the significance of considering lane cant in the running control process? 

  - By factoring in lane cant, the running control device can more accurately predict the lateral acceleration of the vehicle and make informed decisions to ensure safe and stable driving.


Original Abstract Submitted

A running control device for a vehicle comprising a lane information acquisition device and an electronic control unit that performs a running control in which a target steering angle for bringing a lateral position of the vehicle with respect to a lane to a target position is calculated and an automatic steering device is controlled so that a steering angle becomes the target steering angle, and is configured to calculate a lane curvature based on lane information, calculate an estimated lateral acceleration of the vehicle based on the lane curvature, obtain information about a lane cant in front of the vehicle, and calculate an estimated cant lateral acceleration based on the lane cant, and perform no running control when a magnitude of the estimated lateral acceleration of the vehicle which is corrected by subtracting the estimated cant lateral acceleration exceeds a determination reference value.

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