刘璟龙, 胡陟, 章卫国, 许李伟, 何启志. 基于模型预测及控制分配的阵风缓和研究[J]. 西北工业大学学报
Liu Jinglong, Hu Zhi, Zhang Weiguo, Xu liwei, He Qizhi. A MPC and Control Allocation Method for Gust Load Alleviation[J]. Northwestern polytechnical university

刘璟龙1, 胡陟2, 章卫国1, 许李伟3, 何启志1
1. 西北工业大学 自动化学院, 陕西 西安 710129;
2. 西安交通大学 电子与信息工程学院, 陕西 西安 710049;
3. 西安应用光学研究所, 陕西 西安 710065
用改进的模型预测控制(model predictive control,MPC)和控制分配 (control allocation,CA)相结合的方法解决了大型民机在遭遇不同阵风干扰下仍能够跟踪不同指令目标的问题。首先分别计算静态和动态可达指令集,然后针对最终实际可达的指令集,分别设计相应的稳态向量计算器和MPC控制器,而控制分配器将MPC输出的虚拟控制信号最终分配给各个舵面。该方法通过投影算法将原有指令信号进行两步过滤,将可达指令集不断缩小,从而减轻了原有在线优化计算的工作量。仿真结果表明用文中方法设计的闭环方案具有良好的响应特性,在阵风干扰下仍可以实现对指令信号的良好跟踪,并具有一定的鲁棒性。
关键词:    可达指令信号集    模型预测控制    控制舵面    控制分配    阵风缓和   
A MPC and Control Allocation Method for Gust Load Alleviation
Liu Jinglong1, Hu Zhi2, Zhang Weiguo1, Xu liwei3, He Qizhi1
1. School of Automation, Northwestern Polytechnical University, Xi'an 710129, China;
2. School of Electronics and Information, Xi'an Jiaotong University, Xi'an 710049, China;
3. Xi'an Institute of Applied Optics, Xi'an 710065, China
In this paper, using the improved Model Predictive Control(MPC) and the Control Allocation(CA) methods with the combination of observer to solve the case that when the large civil aircraft under different wind disturbances it will still be close to the target tracking commands. First calculate the static and dynamic of admissible command set. Then, with the actual demand set, steady state vector calculator and MPC controller will be executed. Finally, the control distributor will solve the MPC's virtual output to each actual actuators. Through the projection algorithm, the method of the original signals of two step filtration, the reachable command set will be shrink, so as to reduce the workload of the original online optimization calculation. The simulation results show that the methods used in this paper has good response characteristics through the design of closed-loop scheme, under the gust disturbances it can still achieve a good of command signal tracking, and has certain robustness.
Key words:    achievable command set    model predictive control    control surfaces    control allocation    gust load alleviation   
收稿日期: 2016-09-27     修回日期:
基金项目: 国家自然科学基金(61573286)资助
通讯作者:     Email:
作者简介: 刘璟龙(1988-),西北工业大学博士研究生,主要从事飞行控制方法研究。
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