基于限幅模糊PID算法的果酒温度控制系统  

Fruit Wine Temperature Control System Based on Limiting Fuzzy PID Algorithm

作　　者：张堂玉 龙祖强 ZHANG Tang-yu;LONG Zu-qiang(Hengyang Normal University,Hengyang 421008 China)

机构地区：[1]衡阳师范学院物理与电子工程学院,湖南衡阳421008

出　　处：《自动化技术与应用》2022年第2期18-21,共4页Techniques of Automation and Applications

基　　金：湖南省研究生科研创新项目(CX20191000)。

摘　　要：针对果酒发酵温度控制系统的大惯性和纯滞后等特点,在传统模糊PID温度控制系统中引入反正切函数和Smith预估温度补偿器,以实现对果酒温度的精准控制。通过使用反正切函数作为量化因子以对误差和误差变化率进行限幅、模糊算法对PID控制器参数实现自整定和Smith预估实现补偿非线性延时,以减少系统的超调量、稳态误差和调节时间。仿真实验结果表明,本文方法显著减少了系统的调节时间,并提高了系统的稳态精度。Aiming at the characteristics of high inertia and pure hysteresis of the fermentation temperature control system of fruit wine, the arctangent function and the predicted temperature compensator are introduced into the traditional fuzzy temperature control system to realize the precise control of the temperature of fruit wine. By using arctangent function as quantization factor to limit error and error rate, fuzzy algorithm to realize self-tuning of controller parameters and forecast torealize compensation of nonlinear delay, in order to reduce oversets, steady-state errors and adjustment time of the system.Simulation results show that the proposed method can significantly reduce the regulation time and improve the steadystate precision of the system.

关 键 词：反正切函数 模糊PID Smith预估 温度控制 

分 类 号：TP273[自动化与计算机技术—检测技术与自动化装置]