A control system to control slip of a torque converter clutch includes a clutch plant model configured to predict a value of a parameter that relates to torque converter clutch slip as a function of clutch plant model inputs comprising commanded clutch pressure and of torque from the torque generative device. The control system also includes a model predictive controller configured to receive signals that allow determination of a desired value of the parameter that relates to torque converter clutch slip and a predicted value of the parameter that relates to torque converter clutch slip, receive a signal representing reported torque of the torque generative device, identify an optimal commanded clutch pressure value that will result in an optimal value of an objective function based on theclutch plant model, and provide a command signal to an actuator effective to control commanded clutch pressure to the torque converter clutch.
一种用于控制变矩器离合器打滑的控制系统,包括:离合器设备模型,所述离合器设备模型被配置为预测与变矩器离合器打滑有关的参数值,所述参数值是包括命令离合器压力的离合器设备模型输入与来自扭矩产生装置的扭矩的函数。所述控制系统还包括模型预测控制器,所述模型预测控制器被配置为接收可确定与变矩器离合器打滑有关的期望参数值和与变矩器离合器打滑有关的预测参数值的信号,接收表示扭矩产生装置的报告扭矩的信号,识别导致基于所述离合器设备模型的目标函数的最佳值的最佳命令离合器压力值,和向致动器提供命令信号以有效地控制施加到所述变矩器离合器的命令离合器压力。
MODEL PREDICTIVE CONTROL OF TORQUE CONVERTER CLUTCH SLIP
变矩器离合器打滑的模型预测控制
2020-08-18
Patent
Elektronische Ressource
Chinesisch
IPC: | B60W CONJOINT CONTROL OF VEHICLE SUB-UNITS OF DIFFERENT TYPE OR DIFFERENT FUNCTION , Gemeinsame Steuerung oder Regelung von Fahrzeug-Unteraggregaten verschiedenen Typs oder verschiedener Funktion |
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