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设计了一种最优地形跟踪控制系统，它可以权衡巡航导弹的撞地概率与控制作用之间的关系。基于Ｈ∞优化理论的二自由度控制器由两个控制器组成，既实现鲁棒稳定的反馈控制器和提供良好跟踪性能的前馈控制器。对各信号的权函数选取后，仿真结果表明此Ｈ∞二自由度控制器具有良好的跟踪特性，干扰和噪声抑制特性。
An optimal terrain following control system is designed, which can weigh the relationship between the probability of collision of cruise missiles and the control action. The two-degree-of-freedom controller based on H∞ optimization theory consists of two controllers, which not only realize a robust and stable feedback controller and a feedforward controller that provides good tracking performance. After selecting the weight function of each signal, the simulation results show that the H∞ two-degree-of-freedom controller has good tracking characteristics, interference and noise suppression.