利用最优控制理论改善光纤陀螺的控制算法，提高系统的动态特性。分析光纤陀螺的闭环检测原理和数学模型，建立系统的传递函数。为提高光纤陀螺系统的动态特性并缩短系统的上升时间，根据系统性能指标要求，利用最优控制理论设计控制器；建立光纤陀螺最优的闭环控制系统。(The optimal control theory is used to improve the control algorithm of fog and improve the dynamic characteristics of the system. The closed loop detection principle and mathematical model of fog are analyzed, and the transfer function of the system is established. In order to improve the dynamic characteristics of fog system and shorten the rise time of the system, according to the performance requirements of the system, the optimal control theory is used to design the controller, and the optimal closed-loop control system of fog is established.)