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摘要
This paper investigates the servo mechanism reconfiguration and fault tolerance control issue for a launch vehicle. Firstly, the servo reconfiguration algorithm is considered as an optimization model, and commonly used optimization algorithms are analyzed and compared. An improved method based on Singular Value Decomposition(SVD) for solving the suboptimal solution of the direct assignment problem is proposed, being suitable for engineering application, while maintaining the advantages of existing algorithms. Theoretical analysis and simulation results confirm that the proposed method is able to provide the optimal reconfiguration strategy with higher computational efficiency. Finally, the numerical simulation of launch vehicle fault tolerance control fully verifies the feasibility and effectiveness of the improved method, which indicates that the method met the engineering application conditions.
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