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一种新型的Simth Fuzzy PID控制器在网络控制系统中的应用

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摘要 传统的Fuzzy PID控制器虽然可以自适应地跟踪和调整控制器的参数获得较优性能的网络输出,但是对时延和丢包的补偿作用却并不明显。为了减小时延和丢包对网络控制系统性能的影响,提出了一种改进的Fuzzy PID控制器,即在控制器部分加入Smith预估器,利用预估器对时延和丢包的补偿作用达到提高控制性能的目的,并在TrueTime工具箱中仿真。仿真结果表明,新模型在不同的时延、丢包率以及不同的网络协议下既可以获得更好的输出特性,同时也比传统的Fuzzy PID控制器更加稳定和可靠。。
作者 段江霞 李红信 王龙奎
机构地区 兰州大学信息科学与工程学院
出处 《甘肃科技》 2013年第11期12-15,共4页 Gansu Science and Technology
关键词 NCS Smith预估 fuzzy PID控制器 时延 丢包 TRUETIME工具箱
分类号 TP393 [自动化与计算机技术—计算机应用技术]
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甘肃科技
2013年 第11期

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