An intelligent support rod with high frequency response infinite stiffness based on semi-active control method
A support rod and high-frequency response technology, which is applied in the direction of vibration suppression adjustment, spring/shock absorber, mechanical equipment, etc., can solve the problems of large amount of interaction with the upper controller, large mass of support rod system truss, and complex system control loop. , to achieve the effects of not being affected by external temperature changes, compact structure, and small volume
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[0021] The present invention will be further described in detail below with reference to the accompanying drawings and specific embodiments.
[0022] For the general two-force rods hinged at both ends, the commonly used support rod 1 and the series rod 2 made of electrostrictive material are installed in series in the present invention. The stress deformation of the commonly used strut member 1 is due to the fact that the strain measurement sensor group 3 consists of the first strain sensor 3-1, the second strain sensor 3-2, the third strain sensor 3-3, and the fourth strain sensor 3-4. A Wheatstone full-bridge strain circuit is formed to ensure that the measurement results are basically not affected by changes in the external temperature environment.
[0023] The high-integration analog controller 4 is installed in the miniature thermostatic control box 5, and is composed of a differential signal instrumentation amplifier 6, a high output impedance drive amplifier 7, and a po...
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