自动门
自动门:控制系统微分方程
发布时间:2014/4/14
自动门讯:
控制系统微分方程
    建立控制系统的微分方程时,一般先由系统原理线路图画出系统方块图,并分别列写
组成系统各元件的微分方程l然后,消去中间变量便得到描述系统输出量与输入量之间关
系的微分方程。列写系统各元件的微分方程时,一是应注意信号传送的单向性,即前一个
元件的输出是后一个元件的输入,一级一级地单向传送f二是应注意前后连接的两个元件
中,后级对前级的负载效应,例如,无源网络输入阻抗对前级的影响,齿轮系对电动机转动
惯量的影响等。
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