Dynamic characteristics of maglev-air bag active-passive hybrid vibration isolators and active vibration isolation tests
MA Jianguo1,2,SHUAI Changgeng1,2, LI Yan1,2
1.Institute of Noise & Vibration, Naval University of Engineering, Wuhan 430033, China;
2.National Key Lab on Ship Vibration & Noise, Wuhan 430033, China
Active control of low frequency line spectrum is an important technique for vibration and noise reduction.Based on theoretical study and finite element analysis for a maglev-air bag active-passive hybrid vibration isolator, special force-measuring fixture for the isolator was designed to conduct active control tests of the isolator and obtain its output force characteristics.Then, aiming at mechanical line spectrum vibrations, an active control method taking force as error signal was proposed and it was verified with tests.The test results showed that under the condition of taking force as error signal, the low frequency line spectrum control effect on transmitted force of the active-passive vibration isolation platform is good and the active control test platform’s low frequency line spectrum vibration can be reduced significantly.
马建国 1,2,帅长庚 1,2，李彦 1,2. 磁悬浮-气囊主被动混合隔振器力学特性及主动隔振实验研究[J]. 振动与冲击, 2018, 37(19): 198-204.
MA Jianguo1,2,SHUAI Changgeng1,2, LI Yan1,2. Dynamic characteristics of maglev-air bag active-passive hybrid vibration isolators and active vibration isolation tests. JOURNAL OF VIBRATION AND SHOCK, 2018, 37(19): 198-204.
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