Invention Grant
US09327707B2 Method and apparatus for controlling a powertrain system during coasting 有权
在滑行期间控制动力系统的方法和装置

Method and apparatus for controlling a powertrain system during coasting
Abstract:
A method for operating a vehicle including an internal combustion engine and a torque machine rotatably coupled to an input member of a transmission includes operating the vehicle in a coasting mode in response to a driver-requested axle torque and commanding engine operation in an unfueled state. A controller is employed to operate the torque machine to spin the input member to control the engine during a transition across a predetermined engine speed.
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