非最小相位系统的复杂控制算法研究  

Research on Complex Control Algorithms for Non-Minimum Phase Systems

作　　者：王佳人 王亚刚[1] WANG Jiaren;WANG Yagang(School of Optical Electrical and Computer Engineering,University of Shanghai for Science and Technology,Shanghai 200093,China)

机构地区：[1]上海理工大学光电信息与计算机工程学院,上海200093

出　　处：《电子科技》2021年第1期55-59,共5页Electronic Science and Technology

基　　金：国家自然科学基金(61703277);国家自然科学基金青年基金(11502145)。

摘　　要：针对非最小相位系统右半平面零点所造成的负调问题,文中以抑制非最小相位系统的负调和时滞问题为目的,将两步PID参数整定法与Smith预估控制器相融合,提出了一种复杂控制算法。该算法通过调整系统前置系数和PID参数,达到抑制非最小相位负调的作用,并将其作用于Smith预估控制结构中,达到提升系统响应时间的目的。利用MATLAB软件中的Simulink对典型二阶控制系统建立仿真模型。仿真结果表明,该复杂控制算法在消除系统负调的同时也提升了系统的响应时间,验证了该复杂控制算法的有效性和鲁棒性。For the undershoot caused by zeroes in the right-half plane of non-minimum phase systems,in order to suppress the undershoot and time lag of non-minimum phase systems,a two-step PID tuning method combined with the Smith predictive controller is proposed as a complex control algorithm.The algorithm achieves the effective of suppressing the undershoot of non-minimum phase systems by adjusting the pre-coefficient and PID parameters and applies it to the Smith predictive control structure to achieve the purpose of improving the system response time.The simulation model is established by using Simulink in MATLAB software to simulate a typical second-order control system.The simulation results show that the complex control algorithm eliminates the negative adjustment of the system,and verifies the effectiveness and robustness of the complex control algorithm.

关 键 词：非最小相位系统 SMITH预估控制器 PID控制器 两步参数整定 复杂控制算法 MATLAB仿真 

分 类 号：TP13[自动化与计算机技术—控制理论与控制工程]