Robust Adaptive Control of Roll Position of Fixed Rudder for Dual-spin Projectile with Improved LuGre Friction Model

doi:10.3969/j.issn.1000-1093.2019.12.005

Abstract

Abstract: A robust adaptive control strategy based on a continuously differentiable LuGre friction model is proposed for the roll position control of fixed rudder canard in dual-spin trajectory correction projectile with nonlinear friction, uncertain parameters and time-varying disturbance. A nonlinear mathematical model, including the improved continuous friction model, is established for the electromagnetic actuator based on the permanent-magnet synchronous generator (PMSG). A robust feedback compensation term based on the estimated upper bound of un-modeled disturbance is designed to reduce the influence of external disturbance on control performance. An adaptive control law is proposed by compensating for friction and adaptively estimating the system parameters and friction states online, which can effectively reduce the sensitivity of system to parameter uncertainties and nonlinear frictions. The global stability of closed-loop system is proved by Lyapunov analysis. Simulated results show that the proposed strategy can be used to accurately estimate and compensate for time varying parameter, uncertainties, nonlinearities and disturbances, and has the advantages of high accuracy and strong robustness.Key

Key words: dual-spinprojectile, rollposition, positioncontrol, frictionmodel, robustadaptivecontrol

CLC Number:

TJ413⁺.6

YIN Tingting, JIA Fangxiu, YU Jiyan, WANG Xiaoming. Robust Adaptive Control of Roll Position of Fixed Rudder for Dual-spin Projectile with Improved LuGre Friction Model[J]. Acta Armamentarii, 2019, 40(12): 2425-2432.

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第40卷第12期
2019 年12月兵工学报ACTA
ARMAMENTARIIVol.40No.12Dec. 2019

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[2]	LIU Lei, YAO Jianyong, MA Dawei, WANG Guangwen. Low-frequency Learning-based Robust Adaptive Control for Electro-hydraulic Position Servo System [J]. Acta Armamentarii, 2019, 40(4): 737-743.
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[4]	PAN Weidong, FAN Yuanxun, LEI Jianjie, CAO Dawei, LU Pengcheng, XU Zhiwei. Effect of Friction on Electric Linear Load Simulator and Research on Friction Suppression [J]. Acta Armamentarii, 2019, 40(10): 2050-2059.
[5]	MA Guoliang, CAI Hongming, CHANG Sijiang. Analysis of Dynamic Stability of Fixed Canard Dual-spin Projectile [J]. Acta Armamentarii, 2019, 40(10): 1987-1994.
[6]	FENG Bin, YU Ji-yan, JU Tan, WANG Xiao-ming, WANG Yu. Numerical Study of Asymmetrical Load on the Body of Dual-spin Projectile [J]. Acta Armamentarii, 2018, 39(11): 2118-2126.