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应用流体力学基本原理,从理论上分析了液压传感器的动力学和运动学特性,推导出闭锁离合器控制阀开启压力的计算公式;建立了控制阀和闭锁离合器的力学方程和运动学方程,采用SIMULINK仿真工具箱建立了仿真模型,以假想的涡轮转速作为输入,得到闭锁离合器活塞位移曲线和负载压力曲线,并和现场实验得到的结果比较,验证了仿真模型的正确性。液压控制闭锁离合器的动态仿真对合理设计控制阀以及闭锁离合器的控制方式的研究有一定的指导意义。
Applying the basic principle of fluid mechanics, the dynamic and kinematic characteristics of the hydraulic sensor are analyzed theoretically, and the formula for calculating the opening pressure of the control valve of the lock-up clutch is derived. The mechanical and kinematic equations of the control valve and the lock-up clutch are established. SIMULINK The simulation toolbox is used to establish the simulation model. The imaginary turbine speed is used as input to obtain the displacement curve and the load pressure curve of the lock-up clutch piston. The simulation results are compared with those obtained in field experiments. The correctness of the simulation model is verified. The dynamic simulation of the hydraulic control lock-up clutch has certain guiding significance for the research of the reasonable design of the control valve and the control method of the lock-up clutch.