Analysis of the Abnormal Vibration of the Helicopter
Analyze the causes of the helicopter vibration,through the spectrum analysis to find the char-acteristic frequency,the characteristic frequency analysis and judgment,through the test finally determine the helicopter vibration:is the helicopter forced oscillation problem caused by the flight control system interven-tion.And further put forward the improvement measures,and finally make the helicopter vibration level great-ly reduced.
万方数据
维普
