Methods and systems for operating a driveline disconnect clutch responsive to engine operating conditions

摘要

Systems and methods for improving operation of a hybrid vehicle are presented. In one example, a driveline disconnect clutch transfer function may be adapted in response to engine operating conditions during closing of the driveline disconnect clutch.

主权项

1. A method, comprising:
rotating an integrated starter/generator (ISG) at a first speed; operating an engine at a second different speed while operating the ISG at the first speed in response to conditions for adapting a transfer function stored in memory; revising the transfer function stored in memory while rotating the ISG at the first speed and the engine at the second speed in response to a difference between an engine torque estimate based on engine operating conditions and a torque estimate based on the transfer function; and operating a driveline disconnect clutch responsive to the transfer function.