Then, through solving the slow time-scale problem by optimal control theory, the optimal reduced-order reference trajectory is obtained.

然后，应用最优控制理论得出慢时间尺度上的解，并将其作为降维后的最优参考轨迹；

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Trajectory correction projectile; Sensitivity function; Identification; Optimal control; Actuator.

弹道修正弹； 灵敏度函数； 辨识； 最优控制； 舵机。

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The control of the trajectory is the core technique in horizontal well technique, while trajectory design and optimal design are the two key techniques.

井眼轨迹控制是侧钻水平井技术的核心，而轨道设计与优化设计又是轨道控制技术的两大关键技术之一。

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