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Deep-sea hydraulic manipulator is an essential operation equipment for scientific investigation and resource exploitation. To improve the efficiency of hydraulic power source for manipulator in the presence of load variations, a pressure control variable displacement pump (PCVDP) is used to respond quickly to dynamic demands of multiple loads. Considering the variations of seawater properties at different...
In this paper, a novel cutting system of trench cutter (TC) is proposed and the simultaneous control of cutting velocity and supply pressure for the cutting system is presented. The cutting velocity and supply pressure control performance of the cutting system is subjected to the unknown load characteristics of rock or soil and time-varying operating conditions due to the particular characteristics...
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