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针对传统电液伺服系统线性化模型稳定性判据的缺陷,提出了三种新的非线性稳定性判据,不仅消除了原有稳定性判据的缺点,还拓宽了应用范围(如对变量泵为液压源时的控制系统),本文提出的电液伺服系统具有绝对稳定性特点.这对于各种变系数的智能控制方法设计具有重要的指导作用.
In order to overcome the defects of the linear model stability criterion of the traditional electro-hydraulic servo system, three new nonlinear stability criteria are proposed, which not only eliminate the shortcomings of the original stability criterion but also broaden the application range Pump is the control system of the hydraulic pressure source), the electro-hydraulic servo system proposed in this paper has the characteristics of absolute stability, which plays an important guiding role for the design of various variable-rate intelligent control methods.