RBF-based Backstepping Control of Semi-Active Landing Gear System with Solenoid Valve Actuator
In this paper, we, present a RBF-based backstepping scheme for the semi-active control of landing gear system using high speed solenoid valve actuator. The full dynamics of a novel semi-active shock strut including solenoid valve are considered. The proposed nonlinear controller is based on a hierarchical structure which contains three loops. The outer loop computes the expected optimal strut force on both touchdown and taxiing situation. The middle loop realizes the tracking of optimal strut force via backstepping design method and uses a RBF network to approximate the unmodelled nonlinear dynamics. The inner loop is responsible for precise tracking of valve current. A rigorous proof of stability is given and simulations are conducted on both touchdown and taxiing conditions to verify performance of proposed controller.
semi-active control landing gear backstepping solenoid valve radial basis function network
Dongsu Wu Hongbin Gu Hui Liu
College of Civil Aviation Nanjing University of Aeronautics and Astronautics Nanjing,China
国际会议
上海
英文
1761-1766
2009-11-20（万方平台首次上网日期，不代表论文的发表时间）