Frequency-expanding absorber based on intelligent stiffness element and controlling method thereof
A vibration absorber and stiffness technology, which is applied in the field of frequency extension vibration absorbers based on intelligent stiffness components and their control fields, can solve the problems of slow response speed of vibration absorbers, increase degrees of freedom, and changes in stiffness, and achieve a wide range of vibration reduction frequency bands. quality, the effect of eliminating formants
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[0037] Such as figure 2 and image 3 As shown, an extension frequency vibration absorber based on an intelligent stiffness element of the present invention includes a vibration absorber body 1 and a control system.
[0038] The vibration absorber body 1 includes a ring-shaped high-permeability mounting seat 101, a magnetorheological elastomer 102 sleeved on the outer circumference of the high-permeability mounting seat 101, and a high-permeability magnetic vibration absorbing block sleeved on the outer circumference of the magnetorheological elastic body 102 103. The high-permeability mounting seat 101, the magnetorheological elastomer 102, and the high-permeability magnetic vibration absorber 103 are all cone-shaped with the same taper, which can effectively prevent the magnetorheological elastomer from being caused by vibration and friction during the operation of the vibration absorber body 1. 102 is worn and loosened or even falls off. The high-magnetic-permeability vibratio...
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