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利用信号摄动与参数振动的等价性关系，对电液伺服系统模型参考自适应控制问题进行研究。采用数学方法推导出参数自适应与信号综合自适应的等价关系式，从而建立了信号综合自适应与参数自适应的等价结构。通过计算机仿真对文中各种结论进行了验证．
Based on the equivalence relation between signal perturbation and parameter vibration, the reference adaptive control problem of electro-hydraulic servo system is studied. The equivalent relation between the parameter self-adaptation and the signal self-adaptation is deduced by mathematical method, and the equivalent structure of signal self-adaptation and parameter self-adaptation is established. Various conclusions of the paper are verified by computer simulation.