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本文对二次调节静液驱动转速控制系统采用PID控制方法，对不同负载转动惯量时的闭环控制系统进行计算机数字仿真，同时还对该系统进行了试验研究，得出了一些有参考价值的结论。
In this paper, PID control method is adopted for the secondary regulation of hydrostatic drive speed control system. The numerical simulation of the closed-loop control system with different load moment of inertia is carried out. At the same time, the system is also tested, and some conclusions are drawn .