摘要
为了研究网络控制系统的特性,结合PID结构简单、稳定性好和模糊控制适应性强的特点,设计了模糊PID网络控制系统。综合分析了采样周期、时延、数据丢包率、网络传输速率、通信模式和扰动等主要因素对系统性能的影响,并给出了仿真曲线和分析结果。仿真结果表明,与PID网络控制系统相比,模糊PID网络控制系统具有较好的控制效果。利用TrueTime工具箱,该系统能够比较全面地分析网络控制系统的性能。
In order to study the characteristics of network control system, the fuzzy PID network control system has been designed, which combined the good performance of PID having simple structure and stability ; as well as the strong adaptability of fuzzy control. The main factors influencing the performance of the system, including sampling period, time delay, loss rate of data packets, network transmission rate, communication mode, and disturbance, etc., are analyzed compositely, and the simulation curves and analysis results are given. The simulation results show that comparing with PID network control system, the fuzzy PID network control system offers better control effects; and the performance of network control system can be analyzed more comprehensively by using TrueTime toolbox.
出处
《自动化仪表》
CAS
北大核心
2013年第1期61-63,68,共4页
Process Automation Instrumentation
基金
国家自然科学基金资助项目(编号:60974005)
