Human motion intention prediction and recognition method oriented on intelligent lower artificial limb

Abstract

The invention discloses a human motion intention recognition method based on an intelligent lower artificial limb. The method solves the problem that a traditional human motion intention recognition method is hysteretic. Before the motion mode of the affected side wearing the artificial limb is switched, the motion intention of a handicapped patient is accurately recognized according to time sequence data of a sensor which is embedded into the artificial limb or bound to the normal side. Besides, compared with a traditional intention recognition method where various sensors are used, only onesensor, namely an inertial sensor, is used in the human motion intention recognition method to accurately recognize the human motion intention. The method includes the following steps that intention recognition data is acquired, and a database is built; the intention recognition data is preprocessed; the intention recognition data is subjected to feature extraction; classification model selection,model training and intention recognition are completed. An experimental data recognition method is provided for the motion intention recognition method of the intelligent lower artificial limb, so that the development of the intelligent artificial limb is promoted, and lower extremity amputation patients can be better served.

Description

technical field [0001] The invention belongs to the field of artificial intelligence and computer pattern recognition, and in particular relates to a human body motion intention pre-knowledge recognition method for intelligent lower limb prostheses. Background technique [0002] The results of the National Sample Survey on Disabled Persons show that there are more than 80 million people with disabilities in my country, of which more than 24 million are physically disabled. Physical disabilities seriously affect the normal life and work of disabled people. Rehabilitation of artificial limbs for the disabled is one of the important means for the physically disabled to solve their mobility barriers. Different from upper limb prosthesis, the control of lower limb prosthesis involves the problem of human body movement balance, which is very critical to the daily life of disabled people. Although there are some commercialized lower limb prostheses, the joints of most of them are ...

AI Technical Summary

Problems solved by technology

[0004] Researchers have tried various methods to make the database contain rich information on the movement intention of lower limb prostheses, but under actual conditions, there are often the following problems in establishing the database: 1. The experimental site is limited, and the data scenes obtained are single; 2. The number of disabled volunteers is relatively small. less, and the mobility is inconvenient, so it takes a lot of time and money to make it walk normally with prosthetics

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