Elhalwagy Y Z, Tarbouchi M
Department of Electrical Engineering, R.G.&C., Military Technical College, Cairo, Egypt.
ISA Trans. 2004 Apr;43(2):231-42. doi: 10.1016/s0019-0578(07)60033-0.
Recently, the combination of sliding mode and fuzzy logic techniques has emerged as a promising methodology for dealing with nonlinear, uncertain, dynamical systems. In this paper, a sliding mode control algorithm combined with a fuzzy control scheme is developed for the trajectory control of a command guidance system. The acceleration command input is mathematically derived. The proposed controller is used to compensate for the influence of unmodeled dynamics and to alleviate chattering. Simulation results show that the proposed controller gives good system performance in the face of system parameters variation and external disturbances. In addition, they show the effectiveness of the proposed missile guidance law against different engagement scenarios where the results demonstrate better performance over the conventional sliding mode control.
最近，滑模控制与模糊逻辑技术相结合已成为一种处理非线性、不确定动态系统的很有前景的方法。本文针对指令制导系统的轨迹控制，开发了一种结合模糊控制方案的滑模控制算法。通过数学推导得出加速度指令输入。所提出的控制器用于补偿未建模动态的影响并减轻抖振。仿真结果表明，所提出的控制器在面对系统参数变化和外部干扰时能给出良好的系统性能。此外，结果还表明了所提出的导弹制导律在不同交战场景下的有效性，相较于传统滑模控制，其性能更优。
