US Patent Application 18307006. CONTROLLER AND CONTROL METHOD FOR VEHICLE simplified abstract

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CONTROLLER AND CONTROL METHOD FOR VEHICLE

Organization Name

TOYOTA JIDOSHA KABUSHIKI KAISHA


Inventor(s)

Yoshihisa Umemura of Nagoya-shi (JP)

Suguru Kumazawa of Nisshin-shi (JP)

Yasutaka Tsuchida of Toyota-shi (JP)

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

This abstract first appeared for US patent application 18307006 titled 'CONTROLLER AND CONTROL METHOD FOR VEHICLE

Simplified Explanation

The patent application describes a controller for a vehicle that can control the vehicle's power unit and wheels.

  • The power unit includes an engine that generates force through fuel combustion and a regenerative braking device that generates electricity from the force transmitted from the wheels.
  • The controller is designed to increase the braking torque generated by the power unit during vehicle deceleration when the deceleration is predicted.
  • This deceleration assist control helps improve the vehicle's braking performance.
  • However, the controller also includes a braking torque increase prohibition process that prevents an increase in braking torque when the engine's fuel cutoff process is prohibited.
  • This ensures that the braking torque is not increased when the engine is not able to generate force through fuel combustion.
  • Overall, the controller optimizes the vehicle's deceleration performance while considering the limitations of the engine's fuel cutoff process.


Original Abstract Submitted

A controller for a vehicle is configured to control a vehicle that includes a power unit coupled to wheels. The power unit includes an engine configured to generate force by combustion of a fuel, and a regenerative braking device configured to generate electricity by force transmitted from the wheels. The controller is configured to execute a deceleration assist control that increases a braking torque generated by the power unit during a deceleration of the vehicle when the vehicle is predicted to decelerate, compared to when the vehicle is not predicted to decelerate. The control is also configured to execute a braking torque increase prohibition process that prohibits an increase in the braking torque in the deceleration assist control when a fuel cutoff process of the engine is prohibited.

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