| 摘要 |
Multi-rotor aerial vehicle 1, 1', 1'', 1'''comprising, at least a first, second and third rotor 10, 20, 30 with fixed pitch, each rotatable by a dedicated first second and third hydraulic motor 11, 21, 31, a power unit 2, at least a first, second and third hydraulic pump 12, 22, 32 dedicated to the respective first, second and third hydraulic motor 11, 21, 31, wherein each hydraulic pump 12, 22, 32 is arranged to provide pressurized fluid to each hydraulic motor 11, 21, 31 for powering the hydraulic motor 11, 21, 31 and thereby rotating the respective rotor 10, 20, 30, a control unit 6 for controlling the operation of the multi-rotor aerial vehicle 1, 1', 1'', 1''', wherein the control of the multi-rotor aerial vehicle 1, 1', 1'', 1'''is arranged to be performed by altering the flow of pressurized fluid distributed to each respective hydraulic motor 11, 21, 31, wherein the hydraulic pumps 12, 22, 32 are arranged on a single output shaft 3 of the power unit 2, such that all of said at least three hydraulic pumps 12, 22, 32 receive the same rotational input, wherein the flow of pressurized fluid provided to each hydraulic motor 11, 21, 31 is individually controllable by means of at least one control valve 13, 23, 33 configured to control the flow of pressurized fluid from each hydraulic pump 12, 22, 32 to its dedicated hydraulic motor 11, 21, 31. |
