摘要
对于非线性系统 ,提出了利用MATLAB优化控制箱 (即NCDBlockset)优化设计PID控制器的先进方法 .介绍了该控制箱的主要特点 ,给出了约束条件下的优化算法 ,并结合具体实例提供了优化设计过程和步骤 ,最后进行了鲁棒性仿真实验 .使用该优化设计方法 ,不仅使非线性系统满足性能指标要求 ,具有良好的控制特性 。
As for nonlinear system, this paper puts forward an advanced method of optimizing PID controller by adopting MATLAB's optimization control toolbox (that is NCDBlockset).The paper introduces main features about the toolbox and gives optimization algorithm under constraint condition .Optimization design process and steps are provided and finally simulation experiment of robustness is made by combining examples. Using the optimization design method enables nonlinear system to not only meet the needs for performance index ,possess a good control specific property but also have strong robustness.
出处
《兰州铁道学院学报》
2002年第3期60-63,共4页
Journal of Lanzhou Railway University
关键词
NCD模块
非线性系统
PID控制器
优化设计
约束
仿真
鲁棒性
NCD Blockset
nonlinear system
PID controller
optimization design
constraint
simulation
robustness
