초록 ▼

An apparatus for use with an automotive vehicle supported on traction and follower road wheels to control the braking forces applied to the respective road wheels. A target vehicle deceleration is calculated based on a driver's force exerted to apply braking to the vehicle. Target braking forces req

An apparatus for use with an automotive vehicle supported on traction and follower road wheels to control the braking forces applied to the respective road wheels. A target vehicle deceleration is calculated based on a driver's force exerted to apply braking to the vehicle. Target braking forces required for the respective road wheels are calculated in a manner to achieve the target vehicle deceleration based on loads to be shared by the respective road wheels. Target brake torque for the respective road wheels are calculated based on the calculated target braking forces. Drive torque for the respective road wheels are calculated. The drive torque calculated for the respective traction road wheels are used to correct the corresponding target brake torque calculated for the respective traction road wheels so as to calculate target traction road wheel brake torque. The braking forces applied to the respective road wheels are controlled in a manner to achieve the target brake torque calculated for the respective follower road wheels and also to achieve the target traction road wheel brake torque calculated for the respective traction road wheels.

대표청구항 ▼

[ What is claimed is:] [1.] A braking force control apparatus for an automotive vehicle drive train including an engine and at least one traction road wheel driven by the engine, the apparatus comprising:a source of braking fluid;a hydraulic circuit fluidly disposed between said source of braking fl

[ What is claimed is:] [1.] A braking force control apparatus for an automotive vehicle drive train including an engine and at least one traction road wheel driven by the engine, the apparatus comprising:a source of braking fluid;a hydraulic circuit fluidly disposed between said source of braking fluid and the at least one traction road wheel;said hydraulic circuit including an electromagnetic valve that controls a supply of braking fluid to and discharge of braking fluid from the at least one traction road wheel in response to a control signal to establish braking pressure applied to the at least one traction road wheel; anda control unit operatively coupled with said electromagnetic valve; whereinsaid control unit determines a target braking force to be applied to the at least one traction road wheel in response to an operator's brake demand;said control unit determines a target brake torque in response to said determined target braking force and a drive torque applied to the at least one traction road wheel;said control unit determines a desired braking pressure in response to said determined target brake torque;said control unit develops said control signal in response to said determined desired braking pressure;said control unit applies said control signal to said electromagnetic valve to adjust braking pressure to said determined desired braking pressure; andsaid control unit determines said target brake torque such that said target brake torque is proportional to the sum of said determined target braking force and the drive torque applied to the at least one traction road wheel.