基于扩张状态观测器的再入弹头控制系统设计
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(1. 海军航空工程学院七系,山东 烟台 264001;2. 海军装备部兵器部,北京 100841)

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Based on Extended State Observer
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(1. No.7 Department, NAAU, Yantai Shandong 264001, China; 2. Armament Branch of NED, Beijing 100841, China)

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    摘要:

    为了提高非自旋再入弹头的变质心控制系统的鲁棒性,采用滑模控制方法设计了变质心控制系统中的控制器。为了使控制系统设计简单,将弹头俯仰通道和偏航通道之间的耦合作用以及外界干扰综合为汇总不确定量,并采用扩张状态观测器进行估计和补偿。扩张状态观测器引入到滑模控制器中,从而发展了一种基于扩张状态观测器的滑模控制器。对弹头的变质心控制系统进行了仿真分析,仿真结果表明,所设计的控制器能够有效地补偿汇总不确定量的影响,使控制系统输出快速而准确地跟踪上指令信号。

    Abstract:

    In order to improve robustness of variable centroid control system of nonspinning reentry warhead, the sliding mode control technique was adopted to design the controller in variable centroid control system. In order to simplify the control system design, the coupled effect between pitch channel and yaw channel of a warhead and external disturbance was integrated as lumped uncertainty, which was estimated and compensated by an extended state observer (ESO). ESO was introduced into sliding mode controller, thus a kind of ESO-based sliding mode controller was developed. A simulation is performed to analyze the warhead’s variable centroid control system. Simulation results showed that the designed controller could effectively compensate the effect of lumped uncertainty and make control system outputs to track their command signals speedily and accurately.

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徐珂文,高晓冬,赵红超,王洁.基于扩张状态观测器的再入弹头控制系统设计[J].海军航空大学学报,2014,29(5):401-404
XU Ke-wen, GAO Xiao-dong, ZHAO Hong-chao, WANG Jie. Based on Extended State Observer[J]. JOURNAL OF NAVAL AVIATION UNIVERSITY,2014,29(5):401-404

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  • 在线发布日期: 2015-01-16
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