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Heave compensation system and method for controlling heave compensation system
Heave compensation system and method for controlling heave compensation system
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机译：升沉补偿系统及升沉补偿系统的控制方法
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摘要
1. heave compensation system for a marine vessel, comprising: a hydraulic actuator, disposed in such a way as to provide a connection between the ship and the cargo suspended from the vessel, resulting hydraulically operated to change the distance between the load and the vessel in response to the heave of the ship and connected in fluid communication with the first hydraulic machine to ensure its activation; second hydraulic machine connected in fluid communication with a hydraulic accumulator, the first and second hydraulic machine are mechanically connected to each other and mechanically coupled to a common electric motor; a controller for controlling the hydraulic movement of the first and second hydraulic machines, and also for supplying power to the electric motor in response to one or more signals corresponding to the magnitude of the waves caused by the heaving of the vessel and / or the force caused by waves, appended to gruzu.2. The system of claim 1, wherein the first and second hydraulic machine and the electric motor are connected to a gear ratio of 1:. 1.3. The system as claimed in claim. 1 or 2, characterized in that the first and second hydraulic machine and an electric motor mounted on a common drive valu.4. A system according to claim. 1 or 2, characterized in that each of the hydraulic machines has a respective drive shaft, these shafts are arranged coaxially and connected to each other via a common electric motor mounted between said drive shafts for rotation their common axis. 5. The system of claim. 1, characterized in that the electric motor representation
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