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直升机主桨载荷模拟系统是一个多输入多输出液压伺服加载系统,该系统助力器和加载缸之间存在复杂的非线性耦合关系。通过建立系统的数学模型分析了该系统存在的力耦合关系,发现其造成的影响在系统允许的误差范围之内,因此可忽略这部分耦合因素。从而为简化系统控制策略提供依据。
The main paddle load simulation system of the helicopter is a multi-input multi-output hydraulic servo loading system. There is a complicated nonlinear coupling relationship between the system booster and the loading cylinder. By establishing the mathematical model of the system, the force coupling relationship of the system is analyzed, and the influence caused by the system is found within the allowable error range of the system. Therefore, the coupling factor can be neglected. So as to simplify the system control strategy to provide the basis.