Patent ID: 11932112
Assignee: FORD GLOBAL TECHNOLOGIES, LLC
Field: Transport (Mechanical engineering)
Classification: CPC B  Y | IPC B

Claim 13:
14. A vehicle comprising:
an engine and an electric machine each configured to generate power to propel the vehicle;
a clutch disposed between the engine and the electric machine; and
a controller programmed to, in response to an engine start,
close the clutch to transfer power from the electric machine to the engine to start the engine,
control a torque capacity of the clutch during the engine start according to a model of a pressure applied to the clutch, and
control a torque of the electric machine based on an adjusted torque capacity of the clutch in response to (i) the pressure applied to the clutch decreasing according to a ramp down phase during the engine start and (ii) a rate of change of the pressure applied to the clutch decreasing to less than a threshold, wherein the adjusted torque capacity of the clutch is based on the model of the pressure applied to the clutch and an offset value.