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Magneto-rheological braking system based on wearable exoskeleton

A braking system and magneto-rheological technology, applied in the field of magneto-rheology, can solve the problems such as the lack of outstanding buffer braking effect of the braking mechanism, and achieve the effects of compact structure, improved system accuracy, and improved speed and position accuracy

Active Publication Date: 2020-11-03
NORTHEASTERN UNIV LIAONING
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0005] The main purpose of the present invention is to provide a magneto-rheological braking system based on a wearable exoskeleton, which aims to solve the problem that the buffering and braking effect of the existing braking mechanism is not outstanding

Method used

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  • Magneto-rheological braking system based on wearable exoskeleton
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  • Magneto-rheological braking system based on wearable exoskeleton

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Embodiment Construction

[0031] In order to better explain the present invention and facilitate understanding, the present invention will be described in detail below through specific embodiments in conjunction with the accompanying drawings.

[0032] It should be noted that all directional indications (such as up, down, left, right, front, back...) in the embodiments of the present invention are only used to explain the relationship between the components in a certain posture (as shown in the accompanying drawings). Relative positional relationship, movement conditions, etc., if the specific posture changes, the directional indication will also change accordingly.

[0033] In addition, in the present invention, descriptions such as "first", "second" and so on are used for description purposes only, and should not be understood as indicating or implying their relative importance or implicitly indicating the quantity of indicated technical features. Thus, the features defined as "first" and "second" ma...

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Abstract

The present invention relates to the field of magnetorheological technology, and in particular to a magnetorheological braking system based on a wearable exoskeleton, which includes a magnetorheological brake, a harmonic reducer and a motor. The magnetorheological brake includes a casing, a pair of The bearing is installed on the transmission shaft in the housing, the brake disc is fixed on the transmission shaft, and the electromagnetic coil is installed in the housing. A sealed cavity is formed between the housing and the transmission shaft, and the sealed cavity can be filled with magnetorheological fluid. ; The harmonic reducer includes a rigid wheel fixed on the housing, a wave generator fixed on the first end of the transmission shaft, and a flexspline disposed between the rigid wheel and the wave generator. The flexspline can be connected to the wearable exoskeleton. connect. The technical solution of the present invention realizes real-time control of braking force by changing the state of magnetorheological fluid, thereby reducing fatigue and improving comfort for exoskeleton wearers.

Description

technical field [0001] The invention relates to the field of magnetorheological technology, in particular to a magnetorheological braking system based on a wearable exoskeleton. Background technique [0002] Magneto-rheological fluid is a new type of intelligent material, which is a suspension composed of tiny soft magnetic particles with high magnetic permeability and low hysteresis and non-magnetic liquid. It presents a low-viscosity Newtonian fluid under zero magnetic field conditions. Under the action of a strong magnetic field, it exhibits the characteristics of high viscosity and low fluidity of Bingham (Bingham) body. Magnetorheological fluids have high shear yield strength under strong magnetic fields, and can produce larger shear yield strengths even under weaker magnetic fields. Magneto-rheological fluid has a wide temperature range, can maintain characteristics in a large temperature range, and can maintain non-stratification for a long time. [0003] In additio...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): F16D57/00
CPCF16D57/002
Inventor 宋万里王兆昕李佩繁何春阳王娜
Owner NORTHEASTERN UNIV LIAONING
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