首页> 中文期刊> 《西北工业大学学报》 >基于非线性模型预测控制的飞机全电刹车控制

基于非线性模型预测控制的飞机全电刹车控制

         

摘要

针对飞机全电刹车系统的非线性和不确定性,分析了全电刹车系统工作原理,建立了系统数学模型并提出了一种基于准无限时域非线性模型预测控制的飞机全电刹车控制算法;该方法通过实时预测、滚动优化以及反馈校正的策略完成对非线性对象的高效控制,且在满足一定设计规则的前提下具有渐近稳定性;仿真结果表明,与传统的模糊 PID 控制方法相比,该方法能够控制全电刹车系统获得更稳定和优化的滑移率,从而提供更好的刹车性能。%The nonlinearity and uncertainty of aircraft electrically actuated brake control system is analyzed and air⁃craft electrically actuated brake control based on quasi⁃infinite horizon nonlinear model predictive control method is proposed. With real⁃time prediction, rolling optimization and feedback regulation strategy, efficient control of non⁃linear object can be achieved and the stability can be guaranteed under certain design rules. The simulation results and their analysis indicate preliminarily that, compared with traditional fuzzy PID control method, under the control of this method, the slip ratio of electrically actuated brake system is more stable and optimized and the braking per⁃formance is much better.

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