CN104161524A - State recognition method of human motions and energy calculation method of human motions - Google Patents
State recognition method of human motions and energy calculation method of human motions Download PDFInfo
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- CN104161524A CN104161524A CN201410407662.0A CN201410407662A CN104161524A CN 104161524 A CN104161524 A CN 104161524A CN 201410407662 A CN201410407662 A CN 201410407662A CN 104161524 A CN104161524 A CN 104161524A
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Abstract
The invention relates to a state recognition method of human motions and an energy calculation method of human motions, in particular to a method of recognizing swinging and bathing by touching keys and an energy calculation method of swinging and bathing. According to the state recognition method of human motions, wearing equipment recognizes the swinging state and the bathing state of a wearer through a capacitance touch device, a clock, a three-axis acceleration sensor and a temperature sensor. According to the state recognition method of human motions, by means of the capacitance touch device, the clock, the three-axis acceleration sensor and the temperature sensor of the existing wearing equipment, the swinging state and the bathing state can be accurately judged, the purpose of recognizing human motion states can be achieved without other extra special sensing devices, production and maintenance cost is lowered, and accuracy of judgment of the state of the wearer is greatly improved.
Description
Technical field
The present invention relates to a kind of human motion state recognition methods and energy method computations thereof, particularly identify by touch key-press recognition methods and the energy method computations thereof that swimming is had a bath.
Background technology
Wearable device in the market, major function is identification human motion, records the motions such as stroll, running, sleep.Cardinal principle is that analyst's the characteristics of motion, identifies by three axle acceleration sensors.But the posture of swimming varies with each individual, and the ordinary movement such as walk is difficult to distinguish, in the market identifying schemes accurately not also.
China Patent Publication No. " 101091832B ", discloses the lap counter (10) for swimmer (Q), has: shell (11); For shell 1 is connected to the belt (12) on swimmer (Q); With the compass detector (110) being contained in shell (11), for the output signal changing between the rightabout on institute edge of moving about back and forth along with described swimmer (Q) is provided.The function circuit (100) that also provides one to comprise processor (120), the output signal that this processor is programmed to distinguish compass detector (110) is along with the variation between described rightabout, thereby confirm described swimmer's (Q) direction reversing, and then number is counted in the continuous reversion based on twice direction at every turn.This processor (120) also can be programmed to distinguish the variation in the output signal of compass detector, exceed the rising of predetermined upper threshold value and the decline subsequently lower than predetermined lower threshold value to detect, or vice versa, to confirm thus to represent the ripple of the output signal that described swimmer's (Q) swimming strikes, and count striking.
Different from above-mentioned patent is that the technical program can be passed through capacitance touch button, three axle acceleration sensors, temperature sensor etc., active state in the water such as just can identify accurately and effectively swimming, have a bath.
Capacitance touch button is current very ripe technology, and in the time of human body touch electric capacity, the value of electric capacity can change, can obtain the variation of capacitance by sensor, current smart mobile phone touch screen, microwave oven, the household electrical appliances such as electromagnetic oven are also generally applied time technology.
Capacitance touch button is a function button at ordinary times, can carry out some controls to bracelet by it.But in the time that bracelet immerses in hands, due to the electric conductivity of water, also can trigger with finger touch is the same.Generally, this triggering can be filtered, or does other safeguard procedures.But to the design, this is a kind of useful signal, can calculate the time span frequency that button triggers, judge whether in water.
Summary of the invention
The object of the invention is to overcome existing the problems referred to above in prior art, provide a kind of hardware by existing wearing equipment just can accurately judge the human motion state recognition methods of wearer state diagram.
The present invention solves the problems of the technologies described above adopted technical scheme: this human motion state recognition methods, wearing equipment is by capacitance touch, clock, three axle acceleration sensors and temperature sensor identification wearer swimming and the state of having a bath, it is characterized in that, comprise the following steps:
(1) judge whether the step in water, taking one minute as unit, statistics capacitance touch triggering times, monitoring one-touch per second, per minute gathering, if cohersive and integrated data is greater than immersion, the first value of establishing is judged as in being immersed in the water state, otherwise is other kinestates;
(2) further judge whether to continue in being immersed in the water state, be immersed in the water the persistent period of state by clock calculation step (1), the persistent period be greater than soaking time just the value of establishing do further judgement, otherwise be other Riddled Conditions one;
(3) further judge wearer state by three axle acceleration sensors and temperature sensor, wave arm amplitude and be greater than while waving arm crest when three axle acceleration sensors measure, be considered as swinging arm one time, per minute gathering waves arm number of times and waves arm frequency, wave arm frequency respectively corresponding basic, normal, high three numerical value carry out state judgement, when lower than low value, belong to during wearing equipment is removed and soaks; In the time being greater than high value, dress equipment in abnormal condition; , in normal condition, between middle and high value, be the state of having a bath when between low value and high value, between low, intermediate value, need further to judge by step (4);
(4) further judge wearer state by temperature sensor and clock detection temperature, when water temperature is greater than the water temperature of having a bath, wearer is in the state of having a bath, otherwise further judge, judge that by clock whether wearer is now in bathtime section, if do not judge that in this bathtime section wearer is in swimming state, if further judged by step (5) in bathtime Duan Ze;
(5) further judge whether the state in water by step (1), if super Preset Time of time after water outlet, and wave arm frequency by three axle acceleration sensor judgements and be less than predeterminated frequency, it is the state of having a bath, this determination methods is a kind of hysteresis judgement way, can be judged as sleep by waving arm frequency, in the water before, the time period is for having a bath; If super Preset Time of time after water outlet, and judge that by three axle acceleration sensors waving arm frequency is greater than predeterminated frequency, be swimming state.
As preferably, judge the method for contact water by capacitance touch button, the described immersion just value of establishing is 10,20,30,40 or 50 times.
As preferably, the immersion in step (1) the just value of establishing is 10 times.Only just can judge that by capacitance touch wearer is whether in water, simple, quick.
As preferably, the soaking time in step (2) the just value of establishing is one minute.
As preferably, other Riddled Conditions one in step (2) are the state of washing one's hands.
As preferably, the arm crest of waving in step (3) is 1.2g.
As preferably, basic, normal, high three numerical value in step (3) are respectively 2 beats/min, 100 beats/min, 300 beats/min, and abnormal condition is wherein that wearing equipment is removed in the clear state of washing machine.
As preferably, the water temperature of having a bath in step (4) is 37 degrees Celsius, and bathtime section is that at 8 in evening is to 5:00 AM next day.
As preferably, the Preset Time in step (4) is two hours, and predeterminated frequency is 10 beats/min.
An energy method computations when calculating respectively swimming and have a bath based on above-mentioned human motion state recognition methods, is characterized in that,
swimming heat=8.5 × movement time (hour) × body weight (kilogram) × (waving arm frequency/50) (card);
Energy=4.2 × movement time (hour) × body weight (kilogram) × (waving arm frequency/80) (card) of having a bath.
The present invention is by using capacitance touch, clock, three axle acceleration sensor and the temperature sensors in existing wearing equipment, the state such as just can accurately judge swimming, have a bath, without additional other special sensing equipment, just can reach goal of the invention, reduce the cost of producing and keeping in repair, simultaneously greatly higher for the accuracy of wearer state judgement.
Brief description of the drawings
Fig. 1 is the logic diagram of the embodiment of the present invention.
Temperature sampling variation diagram when Fig. 2 embodiment of the present invention is had a bath.
Temperature changing trend figure when the swimming of Fig. 3 embodiment of the present invention.
Fig. 4 embodiment of the present invention accelerometer swimming data acquisition master drawing.
Detailed description of the invention
Below in conjunction with embodiment, the invention will be further described.
Embodiment mono-:
Human motion state recognition methods, wearing equipment, by capacitance touch, clock, three axle acceleration sensors and temperature sensor identification wearer swimming and the state of having a bath, comprises the following steps:
(1) judge whether the step in water, taking one minute as unit, statistics capacitance touch triggering times, monitoring one-touch per second, per minute gathering, if cohersive and integrated data is greater than immersion, the first value of establishing is judged as in being immersed in the water state, otherwise is other kinestates; The immersion just value of establishing is 10 times, common people click during by button, double-click, long by etc., basic operation single is the longest can not exceed for 3 seconds, can not exceed 10 seconds 3 times, but in water time, can continue to exceed more than 10 seconds, if button continues 10 seconds, we can be judged as in water, the present embodiment only just can judge that by capacitance touch wearer is whether in water, simple, quick.
(2) further judge whether to continue in being immersed in the water state, be immersed in the water the persistent period of state by clock calculation step (1), persistent period be greater than soaking time just the value of establishing do further judgement, otherwise be other Riddled Conditions one, the soaking time just value of establishing is one minute, and other Riddled Conditions one are the state of washing one's hands.
(3) further judge wearer state by three axle acceleration sensors and temperature sensor, wave arm amplitude and be greater than while waving arm crest when three axle acceleration sensors measure, be considered as swinging arm one time, waving arm crest is 1.2g, per minute gathering waves arm number of times and waves arm frequency, wave arm frequency respectively corresponding basic, normal, high three numerical value carry out state judgement, when lower than low value, belong to during wearing equipment is removed and soaks; In the time being greater than high value, dress equipment in abnormal condition; When between low value and high value in normal condition, it between middle and high value, is the state of having a bath, between low, intermediate value, need further to judge by step (4), basic, normal, high three numerical value in the present embodiment are respectively 2 beats/min, 100 beats/min, 300 beats/min, and abnormal condition is wherein that wearing equipment is removed in the clear state of washing machine.By three axle acceleration sensors, can obtain hunting frequency and the amplitude of arm, by calculating hunting frequency and the amplitude of arm, calculating energy consumption, in the time that crest is greater than 1.2g, is considered as swinging arm one time, the number of times that gathers per minute.Statistics is learnt by inquiry, freestyle swimming swing arm frequency greatly about 50 to 100 times per minute, (professional swimmer's men's 200m freestyle approximately 90 times per minute).When wobble frequency rate is greater than 100 times time per minute, can think having a bath or other motions.
(4) further judge wearer state by temperature sensor and clock detection temperature, when water temperature is greater than the water temperature of having a bath, wearer is in the state of having a bath, otherwise further judge, judge that by clock whether wearer is now in bathtime section, if do not judge that in this bathtime section wearer is in swimming state, if further judged by step (5) in bathtime Duan Ze, bathtime section in the present embodiment is that at 8 in evening is to 5:00 AM next day, Preset Time is two hours, and predeterminated frequency is 10 beats/min.The standard water temperature of actual constant indoor temperature swimming pool should remain between 26.5 degree to 28 degree throughout the year, and winter, room temperature should reach 30 degree, between water temperature 26-28 degree, than the low 2-3 degree of room temperature, but domestic a lot of indoor pool does not all reach, general water temperature is all between 23-27 degree.Normal person's auxillary temperature is 36～37 degree, approaches body temperature, and 35～38 DEG C is the optimum temperature of water for bathing, exceedes 42 DEG C, and people knows from experience sensation to be scalded, and records ambient temperature, and in the time of swimming pool went swimming, temperature can decline to some extent, washes hot bath temperature and can rise to some extent.By temperature, can judge and enter in cold water or in hot water.When temperature exceedes 37 while spending, be judged as and enter hot water and have a bath.
(5) further judge whether the state in water by step (1), if super Preset Time of time after water outlet, and wave arm frequency by three axle acceleration sensor judgements and be less than predeterminated frequency, it is the state of having a bath, this determination methods is a kind of hysteresis judgement way, can be judged as sleep by waving arm frequency, in the water before, the time period is for having a bath; If super Preset Time of time after water outlet, and judge that by three axle acceleration sensors waving arm frequency is greater than predeterminated frequency, be swimming state.
The built-in real-time clock of system in the present embodiment, can writing time, the beginning end time of record swimming; Analyze the time at night on daytime, can auxiliary judgment have a bath night; Daytime, the probability of swimming was high, and the probability of having a bath night is high; Can go to bed after having a bath general night, and swing arm frequency in bed can level off to zero; Can also be distinguished and be washed one's hands by immersion duration, the immersion of a minute can be judged as and wash one's hands.
Embodiment bis-:
an energy method computations of calculating respectively swimming and having a bath based on human motion state recognition methods,
swimming heat=8.5 × movement time (hour) × body weight (kilogram) × (waving arm frequency/50) (card);
energy=4.2 × movement time (hour) × body weight (kilogram) × (waving arm frequency/80) (card) of having a bath.
Data refer in embodiment tri-, four.
Embodiment tri-:
table one, swimming test data:
this is the sampling case of once swimming, high-visible enter touch potential after water obviously become many, temperature declines to some extent, judges by flow chart, can judge that it enters water swimming, 2014-7-12 14:30 water outlet at 2014-7-12 14:18.
Embodiment tetra-:
table two, the experimental data of once having a bath:
this is the sampling case of once having a bath, high-visible enter touch potential after water obviously become many, the temperature mean temperature that obviously rises is greater than 37 degree, judges by flow chart, can judge that it starts to have a bath at 2014-7-12 20:12,2014-7-12 20:24 finishes to have a bath.
Above content described in this description is only to the explanation of technical solution of the present invention example.Those skilled in the art can make various amendments or supplement or adopt similar mode to substitute described specific embodiment; only otherwise depart from structure of the present invention or surmount this scope as defined in the claims, all should belong to protection scope of the present invention.
Claims (10)
1. a human motion state recognition methods, wearing equipment by capacitance touch, clock, three axle acceleration sensors and temperature sensor identification wearer swimming and the state of having a bath, is characterized in that, comprises the following steps:
(1) judge whether the step in water, taking one minute as unit, statistics capacitance touch triggering times, monitoring one-touch per second, per minute gathering, if cohersive and integrated data is greater than immersion, the first value of establishing is judged as in being immersed in the water state, otherwise is other kinestates;
(2) further judge whether to continue in being immersed in the water state, be immersed in the water the persistent period of state by clock calculation step (1), the persistent period be greater than soaking time just the value of establishing do further judgement, otherwise be other Riddled Conditions one;
(3) further judge wearer state by three axle acceleration sensors and temperature sensor, wave arm amplitude and be greater than while waving arm crest when three axle acceleration sensors measure, be considered as swinging arm one time, per minute gathering waves arm number of times and waves arm frequency, wave arm frequency respectively corresponding basic, normal, high three numerical value carry out state judgement, when lower than low value, belong to during wearing equipment is removed and soaks; In the time being greater than high value, dress equipment in abnormal condition; , in normal condition, between middle and high value, be the state of having a bath when between low value and high value, between low, intermediate value, need further to judge by step (4);
(4) further judge wearer state by temperature sensor and clock detection temperature, when water temperature is greater than the water temperature of having a bath, wearer is in the state of having a bath, otherwise further judge, judge that by clock whether wearer is now in bathtime section, if do not judge that in this bathtime section wearer is in swimming state, if further judged by step (5) in bathtime Duan Ze;
(5) further judge whether the state in water by step (1), if super Preset Time of time after water outlet, and judge that by three axle acceleration sensors waving arm frequency is less than predeterminated frequency, be the state of having a bath; If super Preset Time of time after water outlet, and judge that by three axle acceleration sensors waving arm frequency is greater than predeterminated frequency, be swimming state.
2. human motion state recognition methods according to claim 1, is characterized in that: judge the method for contact water by capacitance touch button, the described immersion just value of establishing is 10,20,30,40 or 50 times.
3. human motion state recognition methods according to claim 1 and 2, is characterized in that: the immersion in step (1) the just value of establishing is 10 times.
4. human motion state recognition methods according to claim 1, is characterized in that: the soaking time in step (2) the just value of establishing is one minute.
5. according to the human motion state recognition methods described in claim 1 or 4, it is characterized in that: other Riddled Conditions one in step (2) are the state of washing one's hands.
6. human motion state recognition methods according to claim 1, is characterized in that: the arm crest of waving in step (3) is 1.2g.
7. according to the human motion state recognition methods described in claim 1 or 6, it is characterized in that: basic, normal, high three numerical value in step (3) are respectively 2 beats/min, 100 beats/min, 300 beats/min.
8. human motion state recognition methods according to claim 1, is characterized in that: the water temperature of having a bath in step (4) is 37 degrees Celsius, and bathtime section is that at 8 in evening is to 5:00 AM next day.
9. according to the human motion state recognition methods described in claim 1 or 8, it is characterized in that: the Preset Time in step (4) is two hours, predeterminated frequency is 10 beats/min.
10. the energy method computations while calculating respectively swimming and have a bath based on human motion state recognition methods described in claim 1-9 any one, is characterized in that:
Swimming heat=8.5 × movement time × body weight × (waving arm frequency/50);
Energy=4.2 × movement time × body weight × (the waving arm frequency/80) of having a bath.
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| CN201410407662.0A CN104161524B (en) | 2014-08-19 | 2014-08-19 | A kind of human motion state recognition methods and energy method computations thereof |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
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| TWI562018B (en) * | 2015-08-23 | 2016-12-11 | Semlam Entpr Ltd | Activity detecting wearable device |
| CN112973094A (en) * | 2019-12-18 | 2021-06-18 | 中国移动通信集团四川有限公司 | Vital sign monitoring device and system applied to swimmers |
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| WO2012107620A1 (en) * | 2011-02-11 | 2012-08-16 | Fernandez Alcala Alfredo | Equipment for determining and monitoring physical exercise and technique in swimming |
| CN103347440A (en) * | 2010-12-16 | 2013-10-09 | 佐尔医药公司 | Water resistant wearable medical device |
| WO2014097143A1 (en) * | 2012-12-17 | 2014-06-26 | Frolov Anthony | Device for training swimmers and performing physiotherapeutic exercises |
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2014
- 2014-08-19 CN CN201410407662.0A patent/CN104161524B/en not_active Expired - Fee Related
Patent Citations (7)
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| CN101188967A (en) * | 2005-06-06 | 2008-05-28 | 英特尔公司 | Wireless medical sensor system |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN112973094A (en) * | 2019-12-18 | 2021-06-18 | 中国移动通信集团四川有限公司 | Vital sign monitoring device and system applied to swimmers |
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| CN104161524B (en) | 2016-04-27 |
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