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根据高水头试验台多年的运行情况与存在的问题，对控制系统存在的问题作了若干改进，从而提高了试验台的稳定性及转速精度，并解决了原试验台做可逆式转轮试验的问题。
According to the operating conditions and existing problems of the high head test bed for many years, some problems existing in the control system are improved so as to improve the stability and speed precision of the test bench and to solve the problems that the original test bench is used for the reversing wheel test problem.