18078951. SYSTEM FOR CONTROLLING REGENERATIVE BRAKING TORQUE OF ECO-FRIENDLY VEHICLE AND METHOD OF CONTROLLING SAME simplified abstract (Hyundai Motor Company)

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SYSTEM FOR CONTROLLING REGENERATIVE BRAKING TORQUE OF ECO-FRIENDLY VEHICLE AND METHOD OF CONTROLLING SAME

Organization Name

Hyundai Motor Company

Inventor(s)

Jin Yong Kim of Daegu (KR)

Hyun Seok Jang of Daegu (KR)

Chang Eun Na of Icheon (KR)

SYSTEM FOR CONTROLLING REGENERATIVE BRAKING TORQUE OF ECO-FRIENDLY VEHICLE AND METHOD OF CONTROLLING SAME - A simplified explanation of the abstract

This abstract first appeared for US patent application 18078951 titled 'SYSTEM FOR CONTROLLING REGENERATIVE BRAKING TORQUE OF ECO-FRIENDLY VEHICLE AND METHOD OF CONTROLLING SAME

Simplified Explanation

The patent application proposes a system and method for controlling regenerative braking torque in an eco-friendly vehicle. The system is designed to maintain wheel slip below a certain threshold during coasting, ensuring coasting stability and stable regenerative braking.

  • The system controls regenerative brake to zero when wheel slip exceeds the reference value and the Anti-lock Brake System (ABS) is activated during coasting.
  • The system gradually increases regenerative braking torque from zero using Proportional-Integral (PI) control when the ABS is turned off.
  • The method ensures quick reduction and maintenance of wheel slip during coasting, improving overall vehicle stability.
  • The system allows for efficient regenerative braking, maximizing energy recovery in eco-friendly vehicles.

Potential Applications

  • This technology can be applied to various types of eco-friendly vehicles, such as electric cars, hybrid vehicles, and fuel cell vehicles.
  • It can be implemented in both passenger vehicles and commercial vehicles, providing improved control and stability during regenerative braking.

Problems Solved

  • The system solves the problem of maintaining coasting stability and stable regenerative braking in eco-friendly vehicles.
  • It addresses the issue of wheel slip exceeding a reference value during coasting, which can lead to instability and reduced efficiency in regenerative braking.

Benefits

  • The system ensures coasting stability and stable regenerative braking, improving overall vehicle performance and safety.
  • It allows for efficient energy recovery during regenerative braking, maximizing the eco-friendly nature of the vehicle.
  • The method provides precise control over regenerative braking torque, enhancing the driving experience and reducing wear on braking components.


Original Abstract Submitted

Proposed is a system and method of controlling regenerative braking torque of an eco-friendly vehicle, the system and method being configured to quickly reduce and maintain a wheel slip amount less than a reference value during coasting, and accordingly, being able to achieve coasting stability and stable regenerative braking, by controlling regenerative brake into zero when a wheel slip over a reference value is generated and an Anti-lock Brake System (ABS) is turned on while an eco-friendly vehicle coasts, and by gradually increasing regenerative braking torque of a motor with a predetermined inclination from zero using Proportional-Integral (PI) control when the ABS is turned off.

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