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基于稳定传输零点补偿器的的动动态输出观测器反馈控制

Control with dynamic output-observer-feedback and stable transmission-zero compensator
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摘要 针对被控系统不满足实现动态输出观测器反馈控制两个充分条件的情况,提出稳定传输零点补偿器的概念.将零点补偿器与被控系统串联,使得整个系统拥有稳定的传输零点.这样就保证可以实现动态输出观测器反馈控制,从而使系统具有很高的鲁棒稳定性.通过实验将基于稳定传输零点补偿器的动态输出观测器反馈控制系统与全维状态观测器反馈控制系统进行了比较.在被控系统参数发生变化的情况下,基于稳定传输零点补偿器的动态输出观测器反馈控制的鲁棒稳定性要明显高于全维状态观测器反馈控制. When a controlled system does not satisfy the sufficient conditions for dynamic output-observer-feedback control,we propose compensating the stable transmission-zero by connecting a cascade compensator to the controlled system.This configuration ensures the realization of dynamic output-observer-feedback control,and improves the robust stability of the closed-loop system.Experiment results show that the robust stability of dynamic output-observer-feedback control with a stable transmission-zero compensator is better than that with the full-order state-observer when the parame-ters of controlled system are perturbed.
作者 鲍伟 孔慧芳 张崇巍
机构地区 合肥工业大学电气与自动化工程学院
出处 《控制理论与应用》 EI CAS CSCD 北大核心 2011年第5期703-708,共6页 Control Theory & Applications
基金 国家科技支撑计划重点资助项目(2009BAG12B03) 安徽省自然科学基金重点资助项目(2008AKZR0816) 合肥工业大学校基金资助项目(2010HGBZ0303)
关键词 稳定传输零点补偿器 动态输出观测器 鲁棒稳定性 stable transmission-zero compensator dynamic output observer robust stability
分类号 TP13 [自动化与计算机技术—控制理论与控制工程]
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参考文献8

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控制理论与应用
2011年 第5期

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