基于遗传算法的自动平衡数字式显示仪表的PID控制器设计  

Design of PID Controller of the Electronic Autobalance Display Instrument Via the Genetic Algorithm

作　　者：刘红丽[1] 李昌禧[1] 

机构地区：[1]华中科技大学控制科学与工程系,湖北武汉430074

出　　处：《仪表技术与传感器》2004年第12期16-17,共2页Instrument Technique and Sensor

摘　　要：在介绍数字自动式字显示仪表工作原理的基础上 ,分析了显示仪表各部分结构参数对系统动态性能的影响 ,并建立了数学模型。根据系统动态性能指标的要求 ,基于遗传算法设计了一种PID控制器 ,并利用MATLAB语言对该数学模型进行了仿真。仿真结果表明 :该仪表具有无超调量、调节时间短、PID参数整定简单等优点 。Based on the introduction of the operating principle,analysed the influence of the every part of the electronic autobalance digital display instrument on the dynamical performance of system,and built up the system mathematical model.According to the desire of the dynamical performance index of the system,PID controllers is designed based on genetic algorithm.Then the mathematical model built up is simulated with MATLAB language.The simulation results show that the instrument has some advantage,such as no overshot,short settling time and simple design of parameter etc,and can suitable for the real application of dynamical porformance.

关 键 词：遗传算法 数字显示仪表 PID控制器 建模 MATLAB仿真 

分 类 号：TP214[自动化与计算机技术—检测技术与自动化装置]