To solve the inherent contradiction between convergence speed and optimization accuracy in the traditional optimal control strategy for the excitation parameters of SRGs, a novel optimal control strategy for the excitation parameters is proposed. In this strategy, the turn-off angle is fixed at its optimal value and kept constant, and the turn-on angle is optimized through two steps. In the first step, the optimal searching region of the turn-on angle is calculated by a fitting formula. Then in the second step, the golden section algorithm is used to optimize the turn-on angle. Meanwhile, the phase current amplitude is used as the degree of freedom necessary to regulate the generation power. Experimental results indicate that the novel optimal control strategy for excitation parameters can effectively improve convergence speed and efficiency of SRGs.

中文翻译：

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SRGs励磁参数优化控制策略

针对传统SRGs励磁参数优化控制策略中收敛速度和优化精度之间的固有矛盾，提出了一种新的励磁参数优化控制策略。在该策略中，关断角度固定在其最佳值并保持不变，通过两步优化导通角度。第一步，通过拟合公式计算出开启角度的最佳搜索区域。然后在第二步中，使用黄金分割算法来优化开启角度。同时，相电流幅度被用作调节发电功率所需的自由度。