基于低通非奇异终端滑模引导的舰载机抗侧风着舰控制技术
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作者单位:

1.海军航空大学;2.军事科学院战争研究院

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TP273

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Anti Crosswind Carrier Landing Control Technology Based on Low Pass Nonsingular Terminal Sliding Mode Guidance
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1.Naval Aviation University;2.War Research Institute, Academy of Military Sciences

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    摘要:

    针对舰载机的抗侧风着舰控制问题,本文设计了一种低通非奇异终端滑模引导算法(LNTSMC)用于提高舰载机的抗侧风引导能力. 文章首先基于混合灵敏度H∞控制设计了内环姿态鲁棒控制系统,并推导了舰载机着舰飞行时的侧向引导方程;然后,基于齐次性理论设计了一种积分非奇异终端滑模面,使其在满足低通滑模控制器设计要求的同时避免了控制奇异现象,进一步设计了一种带边界层的幂指数趋近律来抑制滑模控制中的抖振情况,并引入了非齐次干扰观测器来改善边界层内部的鲁棒稳定性;最后,通过Lyapunov定理证明了文中所设计算法的有限时间稳定性,并给出了仿真结果. 仿真结果表明,文中所设计的引导算法具有良好的抗侧风性能,并通过与已有算法进行对比,验证了该算法的优越性.

    Abstract:

    Aiming at the problem of anti crosswind landing control of carrier based aircraft, a low-pass nonsingular terminal sliding mode guidance algorithm (LNTSMC) is designed to improve the anti crosswind guidance ability of carrier based aircraft. Firstly, based on H-infinity mixed sensitivity control, the inner loop attitude robust control system is designed, and the lateral carrier landing guidance equation is derived. Then, an integral nonsingular terminal sliding mode surface is designed based on the homogeneous theory, which can meet the design requirements of low-pass sliding mode controller and avoid the control singularity phenomenon A power exponential reaching law with boundary layer is proposed to suppress the chattering in sliding mode control, and a non-homogeneous disturbance observer is introduced to improve the robust stability inside the boundary layer. Finally, the finite time stability of the algorithm is proved by Lyapunov theorem, and the simulation analysis is given. The simulation results show that the guidance algorithm designed in this paper has good anti crosswind performance, and the superiority of the algorithm is verified by comparing with the existing algorithms.

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历史
  • 收稿日期:2021-01-26
  • 最后修改日期:2021-06-13
  • 录用日期:2021-06-17
  • 在线发布日期: 2021-07-01
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