Chewing assistance system

By frequency analysis and Fourier transform of electromyograph signals, the quality of chewing patterns is judged, which solves the problem that complex chewing patterns cannot be evaluated in detail in existing technologies, and achieves the improvement of chewing quality and health maintenance.

CN114929110BActive Publication Date: 2025-09-16SUNSTAR INC
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Patent Information

Application Number
CN202080089960.3
Authority / Receiving Office
CN · China
Patent Type
Patents(China)
Current Assignee / Owner
Priority Date
2019-12-26
Filing Date
2020-12-22
Publication Date
2025-09-16
Estimated Expiration
2040-12-22

AI Technical Summary

Technical Problem

The existing technology has not yet provided a system that can grasp the quality of complex chewing patterns in detail and accurately, which affects the improvement of chewing quality and health maintenance.

Method used

By performing frequency analysis on the muscle activity signals obtained by the electromyograph, especially utilizing the power value changes in a specific frequency band, combined with high-speed Fourier transform and envelope analysis, the chewing pattern and quality can be judged, and corresponding auxiliary information can be provided.

Benefits of technology

It achieves detailed and accurate quality assessment of complex chewing patterns, supports the improvement of chewing quality and maintenance of health, especially for the improvement of chewing motor function of children and the elderly.

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Abstract

The chewing assistance system of the present invention comprises: a chewing information storage unit (31b) for storing information on chewing quality; a muscle activity acquisition unit (21) for acquiring muscle activity signals of a person's chewing muscles; an analysis unit (22) for performing frequency analysis on the muscle activity signals acquired by the muscle activity acquisition unit and analyzing the chewing pattern based on the frequency analysis; a quality judgment unit (23) for judging the quality of the chewing pattern based on the information on the chewing pattern analyzed by the analysis unit; and an extraction unit (24) for extracting auxiliary information corresponding to the chewing quality judged by the quality judgment unit from the chewing information storage unit (32).
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