新型径向柱塞泵液控伺服变量机构的研究

Theoretical of hydraulically controlled delivery variation servomechanism of new radial piston pump

介绍了为径向柱塞泵配置的液控伺服变量机构的原理，并对其性能进行分析．这种变量机构不仅容易实现定子偏心位移反馈，而且可平衡泵在工作过程中定子所受单向力，从而提高了控制性能．仿真结果表明：此种液控伺服变量机构能使泵在变量过程中具有良好的动态性能．

Principle of hydraulically controlled servomechanism developed for radial piston pump is introduced and its performance is also analyzed. The servomechanism can not only easily realize the feedback of eccentric displacement of cam ring position, but also balance unidirectional force of cam ring during the operation. so that the control performance is improved . Simulation results show that the dynamic characteristics of the pump with the hydraulically controlled servomechanism are very good.