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Artificial muscle

A technology of artificial muscle and working medium, applied in the field of artificial muscle, can solve the problems of low energy utilization efficiency and fatigue life, low bionic performance of biological skeletal muscle, lack of precise control method of contraction speed, etc. The effect of short response time and high shrinkage

Active Publication Date: 2014-12-10
合肥庐阳科技创新集团有限公司
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  • Summary
  • Abstract
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  • Application Information

AI Technical Summary

Problems solved by technology

The existing problems are: it does not conform to the Hill muscle model, so the bionic degree of biological skeletal muscle performance is not high; lack of precise control methods for contraction speed, contraction rate and tension and the relationship between them, it is difficult to establish an accurate working model; action Long response time, poor stability and adaptability, difficult to adjust; energy utilization efficiency and fatigue life are not high

Method used

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Embodiment Construction

[0032] see figure 1 , the structure of the artificial muscle in the present embodiment is: a damping contraction unit 21 and an elastic unit 22 form a series device, the sum of the length Lc of the damping contraction unit and the length Ls of the elastic unit is the length L of the artificial muscle, and the length L of the damping contraction unit and the elastic unit All are subjected to equal tension, that is, the tension T suffered by the artificial muscle.

[0033] In this embodiment, the elastic unit has an elongation ΔLs under the action of the tension T, and the relationship between the tension T and the elongation ΔLs is determined and adjusted by the design of the structure and material properties of the elastic unit; Under the action of Pm, there are shrinkage ΔLc, shrinkage velocity v, and pulling force T that hinders shrinkage; there is a quantitative constraint relationship between the pulling force T, shrinkage amount ΔLc, working medium Pm, and shrinkage veloc...

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Abstract

The invention discloses an artificial muscle which is characterized in that a damping retracting unit and an elastic unit form a serial connection device, the sum of the length Lc of the damping retracting unit and the length Ls of the elastic unit equals to the length L of the artificial muscle, and the damping retracting unit and the elastic unit bears the same pull force which is pull force T borne by the artificial muscle. The artificial muscle is high in biont muscle performance bionic degree, short in motion response time, stable in performance, easy to adjust, high in energy utilization rate and long in service life, and a control mode and a work model are precise.

Description

technical field [0001] The invention relates to an artificial muscle, in particular to an artificial muscle conforming to the Hill muscle mechanics model, and belongs to the field of bionic machinery. Background technique [0002] The human or animal motor system is mainly composed of bones and the muscles attached to them (skeletal muscles) and is controlled by the nervous system. The skeletal muscles distributed throughout the animal's body are the drivers of the animal's motor system, converting chemical energy into mechanical energy to perform work. Skeletal muscles actively contract under the excitation of nerve signals, and drive skeletal joints through tension. [0003] Festival rotation. The relationship between skeletal muscle contraction rate, driving force and nerve signal excitation is an important basis for the study of animal and human motion dynamics, and has important applications in aerospace, sports, medicine and many other fields. In 1922, Archibald Viv...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): F15B15/14
Inventor 胡小春陈甦欣王玉琳代光辉刘俊杰
Owner 合肥庐阳科技创新集团有限公司
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