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Method for estimating clutch engagement parameters in a strategy for clutch management in a vehicle powertrain
Method for estimating clutch engagement parameters in a strategy for clutch management in a vehicle powertrain
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机译:在车辆动力总成离合器管理策略中估算离合器接合参数的方法
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摘要
A method is disclosed for estimating clutch engagement characteristics of a friction clutch system in a vehicle powertrain. A dynamic model of the system is used under conditions that cause clutch slipping. Algebraic equations defining a functional relationship between clutch torque and an engagement angle have characteristic parameters that are estimated using a non-linear least squares technique. A non-linear least squares technique iteratively minimizes the difference between a measured output clutch disk speed and an output clutch disk speed from the system dynamic model for the same inputs until a small insignificant error is reached. Parameter estimates are used to compile an estimated clutch engagement characteristic.
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