Flutter test flight excitation device and method
The invention discloses a flutter test flight excitation device, and the device comprises a front wing which is in the shape of a circular truncated cone, the front wing is hollow, and the two ends of the front wing are open; a notch is formed in the side surface of the front wing in the generatrix...
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| creator | XIONG JUN JI KAI LYU WANTAO ZHENG WEI LENG CHONGFU |
| description | The invention discloses a flutter test flight excitation device, and the device comprises a front wing which is in the shape of a circular truncated cone, the front wing is hollow, and the two ends of the front wing are open; a notch is formed in the side surface of the front wing in the generatrix direction, and a first supporting rod is connected between the two side walls of the notch. The first end of the rotating shaft extends into the front wing from the small-diameter end of the front wing, the first end of the rotating shaft is connected with a second supporting rod, and the two ends of the second supporting rod are connected with the inner wall of the front wing respectively; the output end of the driving device is connected with the second end of the rotating shaft, and the driving device is used for driving the rotating shaft to rotate; and the signal acquisition device is used for acquiring the excitation signal. The aerodynamic force is adopted as a source of exciting force, full excitation can b |
| format | Patent |
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The first end of the rotating shaft extends into the front wing from the small-diameter end of the front wing, the first end of the rotating shaft is connected with a second supporting rod, and the two ends of the second supporting rod are connected with the inner wall of the front wing respectively; the output end of the driving device is connected with the second end of the rotating shaft, and the driving device is used for driving the rotating shaft to rotate; and the signal acquisition device is used for acquiring the excitation signal. 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| subjects | AIRCRAFT AVIATION COSMONAUTICS DESIGNING, MANUFACTURING, ASSEMBLING, CLEANING, MAINTAINING ORREPAIRING AIRCRAFT, NOT OTHERWISE PROVIDED FOR GROUND OR AIRCRAFT-CARRIER-DECK INSTALLATIONS SPECIALLYADAPTED FOR USE IN CONNECTION WITH AIRCRAFT HANDLING, TRANSPORTING, TESTING OR INSPECTING AIRCRAFTCOMPONENTS, NOT OTHERWISE PROVIDED FOR MEASURING PERFORMING OPERATIONS PHYSICS TESTING TESTING STATIC OR DYNAMIC BALANCE OF MACHINES ORSTRUCTURES TESTING STRUCTURES OR APPARATUS NOT OTHERWISE PROVIDED FOR TRANSPORTING |
| title | Flutter test flight excitation device and method |
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