17985537. VEHICLE CONTROL DEVICE simplified abstract (TOYOTA JIDOSHA KABUSHIKI KAISHA)

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VEHICLE CONTROL DEVICE

Organization Name

TOYOTA JIDOSHA KABUSHIKI KAISHA

Inventor(s)

Tatsushi Fujii of Toyota-shi (JP)

VEHICLE CONTROL DEVICE - A simplified explanation of the abstract

This abstract first appeared for US patent application 17985537 titled 'VEHICLE CONTROL DEVICE

Simplified Explanation

The vehicle control device described in the patent application is designed to control the acceleration and braking of a vehicle in order to bring it to a stop at a predetermined position. It achieves this by adjusting the target acceleration based on the difference between the current and previous target accelerations.

  • The device ensures that the actual acceleration of the vehicle matches the target acceleration for a smooth and controlled stop.
  • It periodically updates the target acceleration to prevent sudden changes that exceed a threshold value.
  • The threshold value is increased in emergency situations where a higher driving or braking force is required.

Potential Applications

  • This technology can be applied in various types of vehicles, including cars, trucks, and buses.
  • It can be used in autonomous vehicles to improve their stopping accuracy and safety.
  • The device can be integrated into electric vehicles to optimize their regenerative braking system.

Problems Solved

  • The device solves the problem of inconsistent and abrupt stopping of vehicles by ensuring a smooth and controlled deceleration.
  • It addresses the issue of sudden changes in target acceleration that can lead to discomfort or instability for passengers.
  • The technology provides a solution for emergency situations where a higher driving or braking force is needed.

Benefits

  • The device improves the overall safety of vehicles by ensuring a precise and predictable stopping position.
  • It enhances passenger comfort by minimizing sudden changes in acceleration.
  • The technology optimizes the efficiency of electric vehicles by effectively utilizing regenerative braking.


Original Abstract Submitted

The vehicle control device: controls the drive device and the braking device such that an actual acceleration representing an actual acceleration of the vehicle coincides with a target acceleration for driving the vehicle so that the vehicle stops at a preset target stop position; acquires the target acceleration every time a predetermined time elapses, and sets the target acceleration to a value such that the magnitude of the change amount does not exceed the threshold change amount when the magnitude of the change amount representing the difference between the target acceleration and the previous target acceleration exceeds the threshold change amount; and sets the threshold change amount to a larger value than when the emergency condition is not satisfied in a case where a predetermined emergency condition is satisfied in a case where a driving force or a braking force larger than in a normal state is required.

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