【摘要】 传统的重复控制器只能在固定频率下抑制谐波，不能满足高速飞轮储能磁轴承系统在较宽工作频率范围内的振动控制需求。为此，本文提出基于变采样频率法的变速重复控制器，并与基于分数阶延迟法的重复控制器进行对比，证明了变采样频率法的优越性。同时，为了提升重复控制器对谐波电流的抑制能力，提出一种比例微分重复控制方法。基于此，提出了变采样频率法与比例微分重复控制方法相结合的新型变速重复控制器，解决了飞轮储能在宽频率范围运行的多频振动控制问题。最后，数值仿真和实验测试表明，所提重复控制器能够抑制约66%以上的谐波成分，适用于磁轴承系统多频振动控制。更多还原

【Abstract】 Traditional repetitive controller can only suppress harmonics at a fixed frequency, and cannot meet the vibration control requirements of high-speed flywheel energy storage magnetic bearing system in a wide range of operating frequencies. For this reason, this paper proposes a variable speed repetitive controller based on the variable sampling frequency method and is compared with the repetitive controller based on the fractional order delay method to demonstrate the superiority of the variable sampling frequency method. Meanwhile, in order to improve the suppression ability of the repetitive controller on harmonic current, a proportional differential repetitive control method is proposed. Based on this, a new variable speed repetitive controller combining the variable sampling frequency method and the proportional differential repetitive control method is proposed, and the new controller solves the multi-frequency vibration control problem of the flywheel energy storage operating in a wide frequency range. Finally, numerical simulations and experimental tests show that the proposed repetitive controller is capable of suppressing about 66% or more of the harmonic components and is suitable for the multi-frequency vibration control of magnetic bearing systems.更多还原