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公开(公告)号:US20150266462A1
公开(公告)日:2015-09-24
申请号:US14223048
申请日:2014-03-24
发明人: RAJIT JOHRI , WEI LIANG , MARK STEVEN YAMAZAKI , XIAOYONG WANG , RYAN ABRAHAM MCGEE , MING LANG KUANG
CPC分类号: B60W10/08 , B60K6/48 , B60K2006/4825 , B60W10/02 , B60W20/00 , B60W20/40 , B60W2050/004 , B60W2510/0638 , B60W2510/0652 , B60W2510/081 , B60W2510/082 , B60W2510/1015 , B60W2510/102 , B60W2710/083 , Y02T10/6221 , Y02T10/6252 , Y02T10/84 , Y10S903/902
摘要: A system and method for estimating disconnect clutch torque during engine start with the motor in vehicles having an engine selectively coupled to the motor and transmission may be configured to control motor torque based on a clutch torque estimated from a difference in a measured powertrain state and a predicted powertrain state using motor torque as an input. The powertrain states may include, for example, motor speed, turbine speed, engine speed and clutch torque. An adaptive gain may be used to drive the difference between measured and estimated clutch torque toward zero.
摘要翻译: 用于估计具有选择性地联接到马达和变速器的发动机的车辆中的发动机起动期间的马达的发动机起动期间的断开离合器扭矩的系统和方法可以被配置为基于从测量的动力系统状态和 使用电机扭矩作为输入的预测动力系统状态。 动力系统状态可以包括例如电动机速度,涡轮转速,发动机转速和离合器转矩。 可以使用自适应增益来将测量和估计的离合器扭矩之间的差向零驱动。