From the perturbation equation of the shaker stability, the conditions of self synchronous stable running are derived.
利用振动筛的稳定性扰动方程得到了同步稳定运转条件。
The force center theory and the design method with the theory is established for bi axial self synchronous shaker with elliptic plane movement.
建立了双轴自同步平动椭圆振动筛的力心理论和利用力心理论设计的方法。
It is analyzed in details the control of permanent magnet synchronous motor in the light of external synchronous control, self synchronous control and weak magnet control.
对水磁同步电动机的控制从外同步控制、自同步控制及弱磁控制等几方面进行了详细分析。
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