脉冲信号法识别伺服阀的动态数学模型  

Identification of dynamic mathematical model In servovalve by method of pulse

作　　者：花克勤[1] 

机构地区：[1]上海应用技术学院,上海200235

出　　处：《机械设计与制造》2006年第5期51-53,共3页Machinery Design & Manufacture

摘　　要：对脉冲信号法识别元件或系统的数学模型的理论和实践进行了探讨,以QDY电液伺服阀为研究对象设计了试验台和试验方法、编制了计算机拟合程序并取得了成功。同时,将该法与传统的正弦信号法进行了性能比较,进而指出了脉冲信号法的应用前景。Introducing a practice that tests the QDY electro - hydraulic servovalve by means of pulse input signal, determining the dynamic mathematical model according to the theory of system identification.Moreover, the performances of identification are compared with that of sinusoid＇ s and a better research result is obtained.

关 键 词：脉冲 伺服阀 数学模型 辨识 

分 类 号：TH137[机械工程—机械制造及自动化]