In this paper, a newly composite synchronization scheme is proposed to ensure the straight line vibration form of a linear vibration system driven by four exciters. Composite synchronization is a combination of self-synchronization and controlled synchronization. Firstly, controlled synchronization of two pairs of homodromous coupling exciters with zero phase differences is implemented by using the master–slave control structure and the adaptive sliding mode control algorithm. On basis of controlled synchronization, self-synchronization of two coupling exciters rotating in the opposite directions is studied. Based on the perturbation method, the synchronization and stability conditions of composite synchronization are obtained. The theoretical results indicate that composite synchronization of four exciters with zero phase differences can be implemented with different supply frequencies and the straight line vibration form of the linear vibration system also can be obtained. Some simulations are conducted to verify the feasibility of the proposed composite synchronization scheme. The effects of some structural parameters on composite synchronization of four exciters are discussed. Finally, some experiments are operated to validate the effectiveness of the proposed composite synchronization scheme.

中文翻译：

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振动系统中感应电机驱动的四台激振器复合同步

本文提出了一种新的复合同步方案，以保证由四个激振器驱动的线性振动系统的直线振动形式。复合同步是自同步和受控同步的结合。首先，利用主从控制结构和自适应滑模控制算法实现了两对零相位差同向耦合激励器的受控同步。在受控同步的基础上，研究了两个反向旋转的耦合励磁机的自同步。基于微扰法，得到复合同步的同步和稳定条件。理论结果表明，在不同的供电频率下，可以实现四个零相位差激振器的复合同步，也可以得到线性振动系统的直线振动形式。进行了一些模拟以验证所提出的复合同步方案的可行性。讨论了一些结构参数对四个激振器复合同步的影响。最后，通过一些实验来验证所提出的复合同步方案的有效性。讨论了一些结构参数对四个激振器复合同步的影响。最后，通过一些实验来验证所提出的复合同步方案的有效性。讨论了一些结构参数对四个激振器复合同步的影响。最后，通过一些实验来验证所提出的复合同步方案的有效性。