Studied a longitudinal control augmentation system optimal design method based on model reference and designed the longitudinal control augmentation system of a transport aircraft with this method. Firstly, the form of reference model was given based on the form of longitudinal equivalent system and then the reference model parameters selection methods and steps were given based on the level 1 flight quality. Secondly, optimal design of the longitudinal control augmentation system based on model reference was carried on with particle swarm optimization algorithm. Finally, an equivalent system analog - match method was proposed based on particle swarm optimization algorithm in time domain, and this method was utilized to carry on equivalent system analog — match and evaluation of flying quality. Simulation results show that, the designed longitudinal control augmentation system can simultaneously satisfy the design requirements of time domain, the level 1 flying qualities and robustness. The effectiveness and efficiency of this design method were proved.%研究了应用模型参考的纵向控制增稳系统的优化设计,并应用于某型运输机纵向控制增稳系统的设计中.首先根据飞机纵向等效系统模型给出了参考模型的形式,之后根据一级飞行品质的要求给出了参考模型的参数选取方法和步骤.然后使用粒子群优化算法优化设计了基于模型参考的控制增稳系统.最后提出利用粒子群优化算法的时域等效拟配方法进行等效系统拟配和飞行品质评价.仿真结果表明,设计得到的控制增稳系统可以同时满足时域的、一级飞行品质的和鲁棒性的设计要求,证明了优化设计方法的有效性和高效性.
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