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利用数字仿真方法，重点分析了油压伺服系统中固体摩擦、负载质量、阀中位开口量及阀口周向长度对系统广域稳定性的影响，揭示了油压伺服系统中存在的歇动现象和多重稳定构造问题。
The influence of the solid friction, load mass, valve median opening and valve port circumferential length on the system wide-area stability is analyzed emphatically by using digital simulation method. The rest of the hydraulic servo system is revealed Phenomenon and multiple stable structure problems.