Swimming safety monitoring system based on rfid
A security monitoring system and security monitoring technology, applied in the field of wireless perception, can solve problems such as being susceptible to interference, many use scene restrictions, and low recognition accuracy
Active Publication Date: 2021-09-28
RUN TECH CO LTD
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Problems solved by technology
WIFI signals are ubiquitous and highly susceptible to interference, so solutions based on WiFi signals can be easily deployed, but there are many restrictions on usage scenarios, and the recognition accuracy is not high
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[0040] The present invention will be further described below in conjunction with specific drawings and embodiments.
[0041] The study found that deploying RFID readers on the edge of the swimming pool, and attaching RFID tags to the swimmer's head and arms, when the swimmer is swimming, the signal of the worn RFID tag will change periodically. Because swimming itself is a kind of periodic motion, the phase periodic change of the RFID signal thus caused has obvious correlation. Based on this finding, the present invention can determine the position of the swimmer by the trend of the RFID signal change; according to the RFID The periodic characteristics of signal changes identify the movements of swimmers, and then realize the goals of movement recognition and safety monitoring.
[0042] The RFID-based swimming safety monitoring system proposed by the present invention, such as figure 1 As shown, it mainly includes three modules: motion modeling module, motion evaluation modul...
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The invention provides an RFID-based swimming safety monitoring system, comprising: a motion modeling module, a motion evaluation module and a safety monitoring module; the motion modeling module is used for: defining a single cycle of activities according to periodic characteristic results of swimming motion As a motor unit; divide the state of the object's swimming activity into: non-swimming state and swimming state; according to the regularity analysis of the received signal, complete the division and transfer of the state; by completing the division of the motor unit, establish a personal swimming posture Model; motion evaluation module, which is used to at least realize the recognition and classification of swimming style and the assessment of swimming style proficiency on the basis of the motion modeling module; the safety monitoring module completes swimming activity monitoring and safety warning according to the corresponding signals received . The invention takes into account the privacy in the swimming scene and the requirement of low interference to the movement of the wearer of the RFID tag, realizes the action recognition of the wearer and realizes the purpose of safety monitoring.
Description
technical field [0001] The invention belongs to the field of wireless sensing, and relates to the design, deployment and data analysis of a wireless sensing system based on RFID technology, which is used for motion capture and safety detection of monitoring swimming process. Background technique [0002] Swimming is a common way of fitness. It can improve the cardiovascular system, increase lung capacity, improve the function of the respiratory system, improve the ability of the muscular system, improve the mechanism of body temperature regulation, strengthen skin blood circulation, enhance resistance, and achieve Weight loss, bodybuilding goals. According to incomplete statistics, there are currently more than 10,000 swimming places in the country. At the same time, as a sport loved by all, the safety of swimming cannot be ignored. According to the Ministry of Health, it is estimated that 57,000 people die from drowning every year in the country, which is equivalent to mo...
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IPC IPC(8): G06K7/10G06K9/62G08B21/08
CPCG06K7/10425G08B21/088G06F18/24323
Inventor 吴梦莹刘慈航丁旋
Owner RUN TECH CO LTD