In order to improve the UAV flight safety and survival ability,the UAV rudder deadlock self⁃repairing control law model was designed based on the model following method. The rudder deadlock fault model and self⁃repairing model were simulated;UAV flight states before and after self⁃reparing were analyzed according to the simulation results. The results show that the rudder deadlock self⁃repairing control can be realized by using the model designed in this paper. Thereby the UAV flight control system reliability and safety can be improved.% 为了提高某型无人机飞行安全性和生存能力，基于模型跟随法设计了某型无人机方向舵卡死自修复控制律模型。分别对方向舵卡死故障模型及自修复模型进行了仿真，利用仿真结果对比分析了自修复前后无人机飞行状态。结果表明，通过设计的模型可以实现方向舵卡死的自修复控制，从而提高某型无人机飞控系统的可靠性和安全性。
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