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Writing posture monitoring system and method based on acceleration sensor

An acceleration sensor and sensor technology, applied in the fields of writing posture monitoring, human body posture monitoring, and intelligent monitoring systems, can solve the problems of being easily disturbed by others, difficult to solve portability problems, etc., and achieve the effect of solving difficult positioning

Active Publication Date: 2018-03-13
ZHEJIANG UNIV
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

The existing detection of writing gestures is mostly based on image processing methods, which requires the support of cameras, is easily disturbed by others, and is difficult to solve the problem of portability

Method used

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  • Writing posture monitoring system and method based on acceleration sensor
  • Writing posture monitoring system and method based on acceleration sensor
  • Writing posture monitoring system and method based on acceleration sensor

Examples

Experimental program
Comparison scheme
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Embodiment 1

[0065] Such as figure 1Shown, the present invention can be divided into clothes body part and pen part. The clothing part of the body of the present invention includes three gravitational acceleration sensor modules fixedly distributed on the center line of the back of the clothing. The pen part of the present invention includes a gravitational acceleration sensor module and an acceleration sensor module fixed on the pen.

[0066] The three sensors on the clothes are connected to the microprocessor system through wires through SPI, and the 5V pin is connected to the positive pole of the power switch near the end of the microprocessor, and the GND pin is connected to the negative pole of the power supply.

[0067] The two sensors on the pen are connected to the microprocessor system through wires through SPI, and the 5V pin is connected to the positive pole of the power switch near the end of the microprocessor, and the GND pin is connected to the negative pole of the power su...

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Abstract

The invention discloses a writing posture monitoring system and method based on an acceleration sensor. Through the acceleration sensor installed on the back surface of clothes, back posture changes of a user can be sensed. Additionally, different breathing smoothness degrees of the user kept in an accurate sitting posture and in an inaccurate sitting posture can also be sensed. Through a display,trained sitting postures are displayed to the user. According to digital voltage signals collected by a gravitational acceleration sensor, a pre-saved detection model including a standard sitting posture, a humpback sitting posture, a higher left-shoulder sitting posture and a higher right-shoulder sitting posture is initially corrected. Features related to user breathing are subjected to clusteranalysis. During monitoring, collected digital voltage signals of acceleration sensor modules are inputted into two detection models in order to obtain sitting posture types. Through the accelerationsensor modules installed on a pen, posture changes of a hand can be sensed and posture changes of an arm can be calculated. A sound alarm is given in the case of a wrong sitting posture.

Description

technical field [0001] The present invention relates to a wearable device, in particular to an intelligent monitoring system and method for realizing the monitoring of human body posture, especially the monitoring of writing posture. Background technique [0002] With the changes in modern people's lifestyles and the accompanying long-term sedentary spinal problems have become increasingly prominent, and long-term incorrect sitting postures are an important cause of spinal problems. The importance of the monitoring of writing posture is highlighted day by day. The existing detection of writing gestures is mostly based on image processing methods, which requires the support of cameras, is easily disturbed by others, and is difficult to solve the problem of portability. Contents of the invention [0003] The object of the present invention is to provide a writing posture monitoring system and method based on an acceleration sensor to address the deficiencies in the prior ar...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): A61B5/11G08B21/24
CPCA61B5/1116G08B21/24
Inventor 孟濬虞捷舟
Owner ZHEJIANG UNIV
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