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A shape memory alloy intelligent shock absorber based on pid control

A technology of intelligent shock absorption and memory alloy, which is applied in the direction of spring/shock absorber, vibration suppression adjustment, mechanical equipment, etc., can solve the problems of small recoverable displacement and poor controllability, and achieve fast recovery of balance, reduce amplitude, increase The effect of power consumption

Active Publication Date: 2019-12-31
CHINA UNIV OF PETROLEUM (EAST CHINA)
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, there are still some deficiencies in the use of shape memory alloys at present. For example, most of the existing shape memory alloy shock absorbers are passive shock absorbers with poor controllability. Most of the existing shape memory alloy shock absorbers use Filament or rod-shaped SMA components with relatively small recoverable displacements

Method used

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  • A shape memory alloy intelligent shock absorber based on pid control
  • A shape memory alloy intelligent shock absorber based on pid control
  • A shape memory alloy intelligent shock absorber based on pid control

Examples

Experimental program
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Embodiment 1

[0033] Such as Figure 4 ~ Figure 12As shown, a shape memory alloy intelligent damping support based on PID control includes a base 1, a common spring 3, a push-pull rod A4, a support member 5, a push-pull rod B6, a push-pull rod C7, an outer shape memory alloy spring A8, an outer Shape memory alloy spring B9, outer shape memory alloy spring C10, inner shape memory alloy spring A12, inner shape memory alloy spring B13, inner shape memory alloy spring C11, slider A14, slider B15, slider C16, power supply and PID control System 17, guide rail A19, guide rail B20, guide rail C18 and central shaft 21; wherein, the base 1 is a circular groove structure, and the central shaft 21 is vertically fixed at the top center of the base 1, and the central shaft 21 The guide rail A19, guide rail B20 and guide rail C18 in the horizontal direction are arranged equidistantly along the circumferential direction between the bottom and the side wall of the base 1, and the guide rail A19, guide rail...

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Abstract

The invention relates to a shock absorption support for precise instruments, in particular to a shape memory alloy intelligent shock absorption support based on proportional, integral and derivative (PID) control. Energy consumption shock absorption is conducted by utilization of the hysteretic characteristic of a shape memory alloy spring, and with ordinary bias arranged in the support combined,better shock absorption effect can be achieved. Active deformation of the shape memory alloy spiral spring is controlled through a PID program, and intelligentization of shock absorption energy consumption can be achieved. The shape memory alloy intelligent shock absorption support is practical and convenient and can be applied to usage scenarios with high shockproof requirements such as transportation and storage of precise instruments.

Description

technical field [0001] The invention relates to a shock-absorbing support for precision instruments, in particular to a shape-memory alloy intelligent shock-absorbing support based on PID control. Background technique [0002] Vibration in engineering can cause severe damage to structures, which in turn can lead to huge losses. Vibration reduction and energy consumption is an important topic in engineering applications, especially in the fields related to precision instruments. At present, rubber, as the most widely used material for shock absorption, has been widely used in engineering, but the defects of rubber materials are gradually exposed, for example, (1) ordinary rubber has small damping and poor energy dissipation capacity, It is difficult to reset the bearing after large deformation; (2) The shock absorption of ordinary rubber bearing is passive damping, which cannot achieve active shock absorption, and it is difficult to realize the intelligentization of shock ab...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): F16F15/067
CPCF16F15/067
Inventor 周博王志勇薛世峰
Owner CHINA UNIV OF PETROLEUM (EAST CHINA)
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