基于ESO的无人直升机高精度姿态控制

doi:10.13973/j.cnki.robot.190401

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引用本文:
范大东, 雷旭升. 基于ESO的无人直升机高精度姿态控制[J]. 机器人, 2020, 42(4): 406-415,426.DOI: 10.13973/j.cnki.robot.190401. FAN Dadong, LEI Xusheng. Precise Attitude Control for Unmanned Helicopter Based on Extended State Observer. ROBOT, 2020, 42(4): 406-415,426. DOI: 10.13973/j.cnki.robot.190401.

摘要针对小型无人直升机存在模型参数不确定性、电磁干扰影响的问题，设计了一种基于ESO（扩张状态观测器）的高精度姿态控制方法．直升机姿态通道中的不确定部分及外界复合扰动被视为总扰动，通过ESO进行实时估计，结合状态反馈控制器实现扰动消除．试验结果表明，在0.1 s内姿态角可从0°快速跟踪到5°且无超调．最后将设计的控制器应用于研制的高精度无人驾驶系统，实现系统参数变动等条件下直升机的全自主定点悬停和航迹飞行．

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	范大东
	雷旭升

关键词 ：无人直升机, 飞行控制, 扩张状态观测器(ESO)

Abstract：A precise attitude control method is designed based on ESO (extended state observer) for the unmanned helicopter to reject disturbances caused by the model parameter uncertainty and electromagnetic interference. The uncertain part of the attitude channel and the external compound disturbance are considered as the lumped disturbance, which is estimated in real time by the designed ESO, and is eliminated by introducing a state feedback controller. The experiment results show that the attitude angle can be rapidly tracked from 0° to 5° in 0.1 s without overshoot. Finally, the designed controller is applied to the self-designed high-precision unmanned system, and the fully autonomous fixed-point hovering and tracking flight are implemented under the condition that the system parameters vary.

Key words： unmanned helicopter flight control ESO (extended state observer)

收稿日期: 2019-07-23 录用日期: 2019-12-10

TP242.6

基金资助:国家重点研发计划（2108YFB1107402）；国家自然科学基金（61873016）；北京市科技计划（D171100006217003）

通讯作者: 雷旭升,xushenglei@.buaa.edu.cn E-mail: xushenglei@.buaa.edu.cn

作者简介: 范大东(1992-),男,硕士.研究领域:小型无人直升机导航与控制.
雷旭升(1977-),男,博士,副教授.研究领域:小型无人机抗干扰控制,高精度惯性稳定平台.

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https://robot.sia.cn/CN/10.13973/j.cnki.robot.190401 或 https://robot.sia.cn/CN/Y2020/V42/I4/406

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