自动控制原理实验指导书ACESⅡ西北工业大学自动化学院二零零五年三月目录引言····················································································6实验一典型环节的模拟研究························································15一．实验目的······································································15二．实验内容······································································15三．实验步骤······································································151．观察比例环节的阶跃响应曲线·················································152．观察积分环节的阶跃响应曲线·················································163．观察比例积分环节的阶跃响应曲线·············································164．观察微分环节的阶跃响应曲线··················································175．观察比例微分环节的阶跃响应曲线·············································186．观察比例微分积分环节的阶跃响应曲线········································197．观察惯性环节的阶跃响应曲线·················································208．观察二阶振荡环节的阶跃响应曲线·············································21四．实验结果······································································22实验二典型系统的动态特性与稳定性测试·····································24一．实验目的······································································24二．实验内容······································································24三．实验步骤······································································241．典型二阶系统的响应曲线·····················································242．典型三阶系统的响应曲线·····················································25四．实验结果······································································26实验三二阶系统特征参数对系统性能的影响···································28一．实验目的······································································28二．实验内容······································································28三．实验步骤······································································281．观测特征参量ξ对二阶系统性能的影响·······································282．观测特征参量对二阶系统性能的影响·······································293．观测斜坡输入作