Long-endurance hydraulic drive vector propulsion unmanned ship power system and control method
By combining fuel-powered prime movers with digital hydraulic technology and a hydraulic-electric collaborative architecture, the contradiction between endurance and maneuverability in unmanned surface vessel (USV) power systems has been resolved, achieving efficient long-endurance and a reliable mechanical structure, and improving system energy efficiency and integration.
CN122144118APending Publication Date: 2026-06-05ZHEJIANG UNIV
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Patent Information
- Authority / Receiving Office
- CN · China
- Patent Type
- Applications(China)
- Current Assignee / Owner
- Filing Date
- 2026-04-30
- Publication Date
- 2026-06-05
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Figure CN122144118A_ABST
Abstract
The application discloses a kind of long endurance hydraulic drive's vector propulsion unmanned ship power system and control method.The system includes hull, propeller, rotating shaft and hydraulic power station;The tail of hull is equipped with multiple propellers, each propeller is connected with hull by a rotating shaft, and a cavity is opened in the inside of hull for installing hydraulic power station;Each propeller is integrated with corresponding propelling execution circuit inside for providing propelling force, and the hydraulic power station includes steering execution circuit, and each rotating shaft is fixedly connected with steering execution circuit for changing the direction of propeller, forming vector propulsion;The control method includes the strategy of combining flow digital matching with prime mover throttle power following, to ensure that power source always works in high-efficiency fuel consumption area.The application has the advantages of strong endurance, high system energy efficiency, reliable mechanical structure and low maintenance cost.
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