CAJ | 학술논문

针对电阻炉具有时滞性、时变性和非线性等特性,常规PID控制难以达到较高的控制精度,本文提出用LabVIEW开发基于模糊自整定的PID智能温度控制系统方案,论述了系统的硬件与软件的设计方法,并通过MAT-LAB仿真结果,比较模糊自整定PID控制系统与常规PID控制系统的阶跃响应曲线,仿真结果表明,本系统在超调量、控制精度、动态响应等方面比常规PID温度控制系统更具有优势.
침대전조로구유시체성、시변성화비선성등특성,상규PID공제난이체도교고적공제정도,본문제출용LabVIEW개발기우모호자정정적PID지능온도공제계통방안,논술료계통적경건여연건적설계방법,병통과MAT-LAB방진결과,비교모호자정정PID공제계통여상규PID공제계통적계약향응곡선,방진결과표명,본계통재초조량、공제정도、동태향응등방면비상규PID온도공제계통경구유우세.
Because resistance furnace has properties of time lop,time- varying and non- linear, the conventional PID control is difficult to achieve high control accuracy. This paper uses LabVIEW to develop an intelligent temperature con-trol system based on fuzzy self- tuning of PID, then discusses design methods of hardware and software in the system and simulation results by MATLAB,compares the step response curve of fuzzy self- tuning PID control system with conven-tional PID control system, the simulation results show that the system has advantages over conventional PID temperature control system in the overshoot, the control accuracy and dynamic response.