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Semiactive technique for insulating impulsion based on controllable damping

A semi-active and damping technology, applied in the direction of non-rotational vibration suppression, can solve the problems of lack of impact isolation, relative displacement limitation, etc.

Inactive Publication Date: 2009-04-08
单明军
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

Therefore, it is necessary to provide high shock isolation efficiency, but the shock isolation problem that has strict restrictions on relative displacement has always lacked an effective technical means

Method used

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  • Semiactive technique for insulating impulsion based on controllable damping
  • Semiactive technique for insulating impulsion based on controllable damping
  • Semiactive technique for insulating impulsion based on controllable damping

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Embodiment Construction

[0041] The present invention is composed of various elastic elements, damping elements or a combination of the two (including various vibration isolators, shock absorbers, impact isolators, etc.), and one or more damping devices with controllable damping coefficients (such as magnetic Rheological dampers, electrorheological dampers, oil dampers with controllable orifices, etc.) form semi-active impact isolators with controllable damping through series, parallel or series-parallel combinations. The control system is composed of various intelligent control devices such as single-chip microcomputer, programmable controller, computer, etc.; sensors such as acceleration and displacement; and various peripheral circuits. The control system controls the damping coefficient of the controllable damper of the semi-active shock isolator according to the above damping coefficient control strategy.

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Abstract

A semi active impact isolation technique based on controllable damp applies various elastic elements, damping element and damp controllable component to form semi active impact isolator with controllable damp and applies various intelligent components, transducer and external circuits to form control system to realize control of absolute acceleration and to control absolute acceleration to be about certain limited value.

Description

technical field [0001] The invention relates to a semi-active semi-active method that controls the change of the damping coefficient of a semi-active shock isolator during the shock response process, and adopts different damping coefficient control strategies in different stages of the shock response to improve the shock isolation efficiency and reduce the relative displacement amplitude Methods of Shock Isolation. Background technique [0002] The phenomenon that the system is subjected to transient excitation, and its force, displacement, velocity or acceleration changes suddenly, is called shock. The shock excitation can be the sudden loading of external force on the equipment. This kind of shock is called external shock, and the shock isolation at this time is called positive shock isolation. If the excitation is the impact of the machine base on the equipment with a high acceleration, this impact is called base impact, and the impact isolation at this time is called ne...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): F16F15/02
Inventor 单明军
Owner 单明军