1.定义:数字控制系统是一种以数字计算机为控制器去控制具有连续工作状态的被控对象的闭环控制系统

用微分方程描述系统输入输出变量的动态特性是建立数学模型的一种基本方法

一、设计准则 系统设计所依据的性能指标为:稳态指标与动态指标。 (1)稳态性能指标(稳态误差e):对应于给定输入x(t)所引起的偏差ex对阶跃响应e=1斜波响应eKv

华中科技大学：《数控技术》课程教学资源（PPT课件）第4章 进给伺服驱动系统 4.4 进给伺服系统的控制原理和方法

【智能系统】规则推理与神经计算智能控制系统改进及比较

Handout 19: More about Dual-input describing functions- Limit cycle stability analysis Eric Feron April 16, 2004 Dual-input describing functions for Toggle switch Another servo-motor application

Handout 18: Dual-input describing functions Eric Feron April 5,2004 Dual-input describing functions are for mixed signals(sinusoid small constant signal) Approximating non-constant signals with constant ones

Handout 13: More about plants with right half-plane zeros Eric Feron March 15, 2004 Right half-plane zeros and sensor/actuator design Influence of sensor position on system dynamics: Star Market

Handout 10: Notch compensation Eric Feron March 5.2004 Notch Compensation goals: Kill nasty frequencies(eg resonant fre Canonical Notch element

Handout 10: Notch compensation Eric Feron March 8, 2004 Notch Compensation goals: Kill nasty frequencies (eg resonant fre- quencies). Canonical Notch element: