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负载模拟器是地面半实物仿真系统中的一种重要专用设备,用来模拟飞行器舵机在飞行过程中所受空气动力载荷。该文简要回顾了负载模拟器的历史和发展过程,对负载模拟器的基本原理和特点做了简单介绍。针对抑制多余力矩的关键问题,详细论述了负载模拟器发展过程中出现的各种控制策略,并分析了不同方法的优缺点。最后,提出了负载模拟器控制算法的发展趋势。
Load simulator is a kind of important special equipment in the ground semi-physical simulation system, which is used to simulate the aerodynamic load of aircraft steering during flight. This paper briefly reviews the history and development process of load simulator and gives a brief introduction of the basic principles and characteristics of load simulator. Aiming at the key problems of restraining excess torque, the various control strategies appearing during the development of load simulator are discussed in detail, and the advantages and disadvantages of different methods are analyzed. Finally, the development trend of load simulator control algorithm is proposed.