Control system for clutch during regenerative braking event

• Main Authors: YANAN ZHAO, MING LANG KUANG, BERNARD D. NEFCY, DANIEL SCOTT COLVIN
• Format: Patent
• Language: Chinese; English
• Published: 11.05.2018
• Subjects: CONJOINT CONTROL OF VEHICLE SUB-UNITS OF DIFFERENT TYPE ORDIFFERENT FUNCTION; CONTROL SYSTEMS SPECIALLY ADAPTED FOR HYBRID VEHICLES; ELECTRIC EQUIPMENT OR PROPULSION OF ELECTRICALLY-PROPELLEDVEHICLES; ELECTRODYNAMIC BRAKE SYSTEMS FOR VEHICLES, IN GENERAL; MAGNETIC SUSPENSION OR LEVITATION FOR VEHICLES; PERFORMING OPERATIONS; ROAD VEHICLE DRIVE CONTROL SYSTEMS FOR PURPOSES NOT RELATED TOTHE CONTROL OF A PARTICULAR SUB-UNIT; TRANSPORTING; VEHICLES IN GENERAL

The invention discloses a control system for a clutch during a regenerative braking event. A vehicle includes an electric machine, battery, torque converter bypass clutch, drive wheel, and controller.The electric machine is configured to recharge the battery via regenerative braking. The torque converter bypass clutch is disposed between the electric machine and the drive wheel. The controller isprogrammed to, in response to a negative drive wheel torque command during a regenerative braking event, adjust a closed-state torque capacity of the torque converter bypass clutch based on the torque command. 本公开涉及在再生制动事件期间用于离合器的控制系统。种车辆包括电机、电池、变矩器旁通离合器、驱动轮和控制器。电机被配置为通过再生制动对电池进行再充电。变矩器旁通离合器设置在电机与驱动轮之间。控制器被配置为：响应于再生制动事件期间负的驱动轮扭矩命令，基于所述扭矩命令来调节变矩器旁通离合器的闭合状态扭矩容量。