Braking control device
AssigneesDenso Corporation, Toyota Jidosha Kabushiki Kaisha
InventorsMasakatsu SHIGYOH, Takashi SATOU, Takuto SUZUKI, Kensuke UEDA, Yoshitaka FUJITA, Tomohiro YAMASHITA, Masao YANO, Sota UKAI
Life of this patent
Estimating the term…
Abstract
The motor control unit reduces the drive braking torque for applying the braking force to the drive wheel by the reverse rotation timing predicted by the reverse rotation prediction unit at the latest, and the friction braking unit increases a friction braking force applied to the drive wheel by the friction braking device so that the friction braking force exceeds the braking force provided by the drive braking torque by the reverse rotation timing predicted by the reverse rotation prediction unit at the latest.
Claims7
A braking control device comprising:
- a motor control unit that causes an electric motor connected to a drive wheel of a vehicle to generate a drive braking torque for applying a drive force or braking force to the drive wheel;
- an acceleration detection unit that detects an acceleration of the vehicle;
- a rotation speed detection unit that detects a rotation speed of the electric motor;
- a reverse rotation prediction unit that uses the acceleration detected by the acceleration detection unit and the rotation speed detected by the rotation speed detection unit to predict a reverse rotation timing at which the drive wheel will rotate backward before the vehicle stops;
- and
- a friction braking unit that controls a friction braking device provided for the drive wheel, wherein:
- the motor control unit reduces the drive braking torque for applying the braking force to the drive wheel by the reverse rotation timing predicted by the reverse rotation prediction unit at the latest;
- and
- the friction braking unit increases a friction braking force applied to the drive wheel by the friction braking device so that the friction braking force exceeds the braking force provided by the drive braking torque by the reverse rotation timing predicted by the reverse rotation prediction unit at the latest.
Dependencies are inferred from the claim text.