直升机飞行控制器设计与仿真  

Design and Simulation of Flight Controller for Helicopters

作　　者：谭畅[1] 代冀阳[1] 吴国辉[1] 

机构地区：[1]南昌航空大学无损检测技术教育部重点实验室,江西南昌330063

出　　处：《计算机仿真》2010年第3期39-42,共4页Computer Simulation

摘　　要：为了改善直升机飞行控制系统的性能,研究了其在前飞状态下的模糊平滑切换控制方法和仿真验证问题。以ADS-33D水平1操纵品质要求为设计目标,建立直升机不同平衡点的线性子模型,采用基于遗传算法的H∞控制器设计方法设计各局部控制器,应用模糊平滑切换策略设计全局控制器,实现直升机在不同速度下的飞行控制,保证了控制过程的平滑性,并用数学方法证明了系统的稳定性。仿真结果表明,所设计的直升机飞行控制器达到了ADS-33D水平1操纵品质要求。In order to improve its performance, the fuzzy smooth switching control and the simulation of the flight control system at forward flight are investigated. With handling qualities requirements ADS -33 D taken as design zriteria, the multi - linear sub - models are established at different equilibrium points of the helicopter. For every lin-earized model in the fuzzy state - space model of a nonlinear system, a robust controller is designed using GA - based ~I？ controller design method. The whole controller is synthesized by using the fuzzy smooth switching control law, which guarantees the smoothness of the controlling procession. Meanwhile, the system stability is validated by mathenatical method. The simulation results show that the designed helicopter flight control system satisfies the ADS - 33D evel 1 handling qualities requirements.

关 键 词：直升机飞行控制 模糊平滑切换 鲁棒控制 

分 类 号：TP273[自动化与计算机技术—检测技术与自动化装置] V249.1[自动化与计算机技术—控制科学与工程]