Abstract

Lower-limb function in elderly people gradually degenerates with age, and poor rehabilitation conditions preventing the elderly from receiving scientific rehabilitation training result in the decline of social labor force and the increased economic burden of the elderly. Aiming at the characteristics of the single function and the complex structure of an existing telescopic leg trainer combined with the needs of the application group, a new type of leg-stretching training device with multiple training modes for lower extremity extension and flexion of the elderly is proposed. A new mechanical structure and electrical system is designed. At the same time, the anti-resistance training man–machine model is analyzed, aiming at the isokinetic resistance training mode, and a training controller strategy based on a fuzzy synovial algorithm is proposed. Finally, the feasibility of the designed controller strategy and the proposed leg training device are verified by prototype experiments, which will guide further research.

Highlights

  • With the increasing aging of society, functional degeneration of the hip, the knee, the ankle, and the lower-limb muscles directly affects the health and the quality of life of patients [1,2]

  • The third is a pneumatic series [14] and the Pure Strength kicking training device of Technogym in Italy [15,16]. It is only used for rehabilitation training such as a Finnish firm’s product, which is used and in various formsfor of high-intensity constant machine, impedance resistance training, which is heavy, expensive, not suitable resistance training but is expensive and lacks power, it is unable to adequately provide active the elderly or rehabilitative patients [17,18]

  • Reasonable resistance training can be carried out according to the characteristics of the limbs of the of the control algorithm is verified by the experimental results

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Summary

Introduction

With the increasing aging of society, functional degeneration of the hip, the knee, the ankle, and the lower-limb muscles directly affects the health and the quality of life of patients [1,2]. The third is a pneumatic series [14] and the Pure Strength kicking training device of Technogym in Italy [15,16] It is only used for rehabilitation training such as a Finnish firm’s product, which is used and in various formsfor of high-intensity constant machine, impedance resistance training, which is heavy, expensive, not suitable resistance training but is expensive and lacks power, it is unable to adequately provide active the elderly or rehabilitative patients [17,18]. A new drive dynamics analysis and the design of the related anti-resistance synovium control algorithm are combining motor and magnetic powder clutch is proposed. Reasonable resistance training can be carried out according to the characteristics of the limbs of the of the control algorithm is verified by the experimental results. Reasonable resistance training can be elderly out [22].according to the characteristics of the limbs of the elderly [22]

Mechanical Structure Design
Dynamic Model Solution of Mechanical Part
Dynamic
Dynamic Model of Human Leg Link in Training Process
Process Control Analysis of Resistance Training
Stretching
Sliding Mode Variable Structure Controller Design
Structure
Resistance Training Control Experiment
Conclusions

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