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确定电液伺服阀的数学模型为三阶形式,根据电液伺服阀幅频,相频特性曲线(电液伺服产品样本提供),运用单纯形寻优法确定电液伺服阀的模型参数.此模型可避免较大误差.为控制系统设计提供较好的电液伺服阀的数学模型.
The mathematical model of the electro-hydraulic servo valve is determined to be the third-order form, and the model parameter of the electro-hydraulic servo valve is determined according to the amplitude-frequency and phase-frequency characteristic curves of the electro-hydraulic servo valve The model can avoid large error and provide better mathematical model of electro-hydraulic servo valve for control system design.