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针对Lambert速度冲量制导方法小推质比实施误差较大的问题,提出了一种解析的快速修正方法。该方法以Lambert速度冲量制导终端状态为约束条件,采用修正初始制动点的方式修正小推质比实施速度冲量带来的误差。仿真结果表明:该方法可有效修正速度冲量假设小推质比实施的误差,并且具有计算量小、速度快的优点。
Aiming at the problem that Lambert speed impulse guidance method has small error of implementation, a fast correction method is proposed. The method uses the Lambert velocity impulse to guide the terminal state as a constraint condition, and adopts the method of correcting the initial braking point to correct the error caused by implementing the small impulse ratio. The simulation results show that the proposed method can effectively correct the error of the small thrust ratio and the small thrust ratio, and has the advantages of small calculation and high speed.