期刊文献+

基于干扰估计的磁悬浮支承离散积分滑模控制 被引量:3

Discrete-time integral-type sliding mode control for magnetic suspension system based on disturbance estimation
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摘要 针对磁悬浮支承系统复杂非线性、参数时变、强扰动的特点和高精度数字控制要求,设计了基于干扰估计的离散积分滑模磁悬浮支承控制器。控制器采用了离散型积分滑模面,以有效抑制系统受外界扰动后的稳态跟踪误差积累,提高系统的静态跟踪特性;研究了外部干扰项的离散迭代估计方法,以使切换控制律具有依据外部干扰项而实时自适应调整的能力,增强系统的全局鲁棒性能和跟踪速度。仿真与实验结果表明,所提出的控制方法的整体控制性能较传统数字PID控制在动、静态和鲁棒性上具有更好的表现,适于磁悬浮支承系统的数字控制实现与高性能控制。
出处 《制造业自动化》 北大核心 2013年第19期34-37,共4页 Manufacturing Automation
基金 国家自然科学基金项目(61004053 61273151) 江苏省高校优势学科建设工程资助项目 江苏省高校青蓝工程资助项目 南通市应用研究计划项目(BK2012009)
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参考文献7

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