CN104406603B - A kind of step-recording method and device based on acceleration transducer - Google Patents
A kind of step-recording method and device based on acceleration transducer Download PDFInfo
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- CN104406603B CN104406603B CN201410635343.5A CN201410635343A CN104406603B CN 104406603 B CN104406603 B CN 104406603B CN 201410635343 A CN201410635343 A CN 201410635343A CN 104406603 B CN104406603 B CN 104406603B
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01C—MEASURING DISTANCES, LEVELS OR BEARINGS; SURVEYING; NAVIGATION; GYROSCOPIC INSTRUMENTS; PHOTOGRAMMETRY OR VIDEOGRAMMETRY
- G01C22/00—Measuring distance traversed on the ground by vehicles, persons, animals or other moving solid bodies, e.g. using odometers, using pedometers
- G01C22/006—Pedometers
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Abstract
The present invention relates to a kind of step-recording method and device based on acceleration transducer.The described method includes：The current walking data of user are gathered by acceleration transducer；By current walking data compared with the sinusoidal path pre-saved；If the acceleration length value of current walking data is less than or equal to the amplitude of the sinusoidal path pre-saved, and the acceleration direction of current walking data includes the change of positive and negative both direction within a cycle time of the sinusoidal path, then current step is included in into meter step logic；If the time interval of current step and previous step is less than preset interval time value, the current step being included in is given up.Technical solutions according to the invention can not only work normally on the mobile terminal for not supporting GPS, save GPS module expense, and meter step error is small, accuracy is high.
Description
Technical field
The present invention relates to meter to walk field of measuring technique, more particularly to a kind of step-recording method and dress based on acceleration transducer
Put.
Background technology
With modern life Quality advance, more and more people start to focus on the routine health exercise of oneself, and meter step is used as one
The kind monitoring means that effectively record monitoring is taken exercise, have been widely used in the application of mobile terminal.It is most of at present to realize all
It is that move distance is counter to release walking step number calculating by gps signal, but this mode setting indoors or without gps signal
It is standby above to work, while interference of the GPS accuracy to result is also bigger.
The content of the invention
It is an object of the invention to propose a kind of step-recording method and device based on acceleration transducer, can not support
Worked normally on the mobile terminal of GPS, save GPS module expense, and meter step error is small, accuracy is high.
For this purpose, the present invention uses following technical scheme：
A kind of step-recording method based on acceleration transducer, including：
The current walking data of user are gathered by acceleration transducer；
By current walking data compared with the sinusoidal path pre-saved；
If the acceleration length value of current walking data is less than or equal to the amplitude of the sinusoidal path pre-saved,
And the acceleration direction of current walking data includes positive and negative both direction within a cycle time of the sinusoidal path
Change, then into meter step logic be included in current step；
If the time interval of current step and previous step is less than preset interval time value, the current step being included in is given up.
Wherein, before the collection current walking data of user by acceleration transducer, further include：
User's normal gait data are gathered by acceleration transducer, obtain the sine curve rail of user's normal gait
Mark；Wherein, the sinusoidal path includes acceleration length and acceleration direction.
Wherein, it is described that user's normal gait data are gathered by acceleration transducer, obtain user's normal gait
Sinusoidal path, is specially：
The acceleration parameter of three directions (x, y, z) when gathering user's normal gait by acceleration transducer, according to
Acceleration parameter draws the sinusoidal path of user's normal gait.
Wherein, further include：If the acceleration of the current walking data of the user collected by acceleration transducer
Length value is 0, then pause meter step；
Before the current walking data that user is gathered by acceleration transducer, further include：
By 10 hyposynchronous row data before acceleration transducer collection user, to before collecting 10 hyposynchronous row data difference
Compared with the sinusoidal path pre-saved；
If the acceleration length value of described 10 hyposynchronous row data is respectively less than the sinusoidal path for being equal to and pre-saving
Amplitude, and the acceleration direction of the 10 hyposynchronous row data includes within a cycle time of the sinusoidal path
The change of positive and negative both direction, then be determined as walking movement, starts meter step into meter step logic.
Wherein, the preset interval time value is 0.2s.
A kind of step count set based on acceleration transducer, including：
Walking data acquisition unit, for gathering the current walking data of user by acceleration transducer；
Walking data comparing unit, for by current walking data compared with the sinusoidal path pre-saved；
First meter step judging unit, if the acceleration length value for current walking data is less than or equal to pre-save
Sinusoidal path amplitude, and within a cycle time of the sinusoidal path current walking data acceleration
Direction includes the change of positive and negative both direction, then is included in current step into meter step logic；
Second meter step judging unit, if being less than preset interval time value with the time interval of previous step for currently walking,
The current step being included in is given up.
Wherein, further include：
Walking reference memory cell, is obtained for storing the user's normal gait data gathered by acceleration transducer
The sinusoidal path of the user's normal gait obtained；Wherein, the sinusoidal path includes acceleration length and adds
Directional velocity.
Wherein, the sinusoidal path, is specially：
According to the acceleration parameter of three directions (x, y, z) during the user's normal gait gathered by acceleration transducer
The sinusoidal path of user's normal gait of drafting.
Wherein, further include：Meter step pause unit, if the current walking of user for being collected by acceleration transducer
The acceleration length value of data is 0, then pause meter step；
The step count set further includes：
Ambulatory status identifying unit, for before the user to being gathered by acceleration transducer 10 hyposynchronous row data difference
Compared with the sinusoidal path pre-saved；If the acceleration length value of the 10 hyposynchronous row data is respectively less than etc.
In the amplitude of the sinusoidal path pre-saved, and 10 hyposynchronization within a cycle time of the sinusoidal path
The acceleration direction of row data includes the change of positive and negative both direction, then is determined as walking movement, starts into meter step logic
Meter step.
Wherein, the preset interval time value is 0.2s.
Beneficial effect：
A kind of step-recording method based on acceleration transducer of the present invention, including：Gathered by acceleration transducer
The current walking data of user；By current walking data compared with the sinusoidal path pre-saved；If current step
The acceleration length value of row data is less than or equal to the amplitude of the sinusoidal path pre-saved, and in the sine curve
The acceleration direction of current walking data includes the change of positive and negative both direction in a cycle time of track, then enters meter step
Logic is included in current step；If the time interval of current step and previous step is less than preset interval time value, what will be included in currently walks
Give up.The present invention gathers the current walking data of user by acceleration transducer, and with normally being walked according to what is pre-saved
The sinusoidal path that row data are drawn compares, if meeting above-mentioned condition, enters meter step logic and is included in current step；And to current
Step is determined whether, current by what is be included in if the time interval of current step and previous step is less than preset interval time value
Step is given up.As it can be seen that technical solutions according to the invention can not only work normally on the mobile terminal for not supporting GPS, save
GPS module expense, and meter step error is small, accuracy is high.
Brief description of the drawings
Fig. 1 is a kind of flow chart for step-recording method based on acceleration transducer that the specific embodiment of the invention provides.
Fig. 2 is a kind of structural representation for step count set based on acceleration transducer that the specific embodiment of the invention provides
Figure.
In figure：
1- walking data acquisition units；2- walking data comparing units；The meter step judging units of 3- first；4- second counts step and sentences
Disconnected unit；5- walking reference memory cells；6- meter step pause units；7- ambulatory status identifying units.
Embodiment
Further illustrate technical scheme below with reference to the accompanying drawings and specific embodiments.
Embodiment 1：
Fig. 1 is a kind of flow chart for step-recording method based on acceleration transducer that the specific embodiment of the invention provides.
As shown in Figure 1, a kind of step-recording method based on acceleration transducer of the present invention, including：
The current walking data of user are gathered by acceleration transducer；
By current walking data compared with the sinusoidal path pre-saved；
If the acceleration length value of current walking data is less than or equal to the amplitude of the sinusoidal path pre-saved,
And the acceleration direction of current walking data includes positive and negative both direction within a cycle time of the sinusoidal path
Change, then into meter step logic be included in current step；
If the time interval of current step and previous step is less than preset interval time value, the current step being included in is given up.
The present invention by acceleration transducer gather user current walking data, and with according to pre-save it is normal
The sinusoidal path that walking data are drawn is made comparisons, if meeting above-mentioned condition, is entered meter step logic and is included in current step；It is and right
Current step is determined whether, if the time interval of current step and previous step is less than preset interval time value, by what is be included in
Current step is given up.As it can be seen that technical solutions according to the invention can not only work normally on the mobile terminal for not supporting GPS,
GPS module expense is saved, and meter step error is small, accuracy is high.
Step-recording method of the present invention can detect the characteristic of all directions acceleration by acceleration transducer, utilize
Thirdly when axis (x, y, z-axis) acceleration change is to detect recorder's walking three directions acceleration change.People is in Level Walking
In movement, cyclically-varying can be presented in vertical and two acceleration that advance, and reflect in chart, the vertical and acceleration produced of advancing
Degree and a time substantially sine curve, and have a peak value in certain point, the wherein acceleration change of vertical direction is maximum.
Calculate and compare with acceleration rate threshold by being detected to the peak value of track, you can calculate the step number of user movement in real time.Cause
The flat holding equipment of expert or it can be placed a device in during exercise in pocket for user, so the placement direction of equipment is indefinite, for this
We pass through the vector length of three acceleration of calculating, the sinusoidal path of one walking movement of acquisition.
Before the collection current walking data of user by acceleration transducer, further include：
User's normal gait data are gathered by acceleration transducer, obtain the sine curve rail of user's normal gait
Mark；Wherein, the sinusoidal path includes acceleration length and acceleration direction.
By gathering user's normal gait data in advance, user is drawn according to user's normal gait data of collection
The sinusoidal path of walking movement, the secondary standard of comparison whether being included in is walked as judging that user is current.
Described to gather user's normal gait data by acceleration transducer, the sine for obtaining user's normal gait is bent
Line tracking, is specially：
The acceleration parameter of three directions (x, y, z) when gathering user's normal gait by acceleration transducer, according to
Acceleration parameter draws the sinusoidal path of user's normal gait.
Further include：If the acceleration length value of the current walking data of the user collected by acceleration transducer
For 0, then pause meter step.Midway user's stop motion, then step is counted in pause, if restarting walking movement, judgement again is
No note step, total step number are step number before pause meter step plus the step number being included in after pause meter step.
Before the current walking data that user is gathered by acceleration transducer, further include：
By 10 hyposynchronous row data before acceleration transducer collection user, to before collecting 10 hyposynchronous row data difference
Compared with the sinusoidal path pre-saved；
If the acceleration length value of described 10 hyposynchronous row data is respectively less than the sinusoidal path for being equal to and pre-saving
Amplitude, and the acceleration direction of the 10 hyposynchronous row data includes within a cycle time of the sinusoidal path
The change of positive and negative both direction, then be determined as walking movement, starts meter step into meter step logic.
By judging before formal meter step user's motion state, if it is determined that being for the motion state of user
Ambulatory status, just initially enters meter step logic and prepares to count.Its purpose is to remove misdescription step, this is because it is some by bus or
Rocking for subway is substantially similar to people's walking sinusoidal path obtained, before formal meter step, by moving shape to user
The judgement of state, it is possible to increase count the accuracy of step, reduce meter step error.
Preferably, the preset interval time value is 0.2s.Because the most fast running frequency of human body is 5HZ, that is to say, that
The time interval of adjacent two step is at least above equal to 0.2 second.
It is the system embodiment of the embodiment of the present invention below, embodiment of the method for the invention, system embodiment belong to same
Design, the detail content of not detailed description, may be referred to above method embodiment in system embodiment.
Embodiment 2：
Fig. 2 is a kind of structural representation for step count set based on acceleration transducer that the specific embodiment of the invention provides
Figure.As shown in Fig. 2, a kind of step count set based on acceleration transducer of the present invention, including：
Walking data acquisition unit 1, for gathering the current walking data of user by acceleration transducer；
Walking data comparing unit 2, for by current walking data compared with the sinusoidal path pre-saved；
First meter step judging unit 3, if the acceleration length value for current walking data is less than or equal to protect in advance
The amplitude for the sinusoidal path deposited, and within a cycle time of the sinusoidal path current walking data acceleration
Degree direction includes the change of positive and negative both direction, then is included in current step into meter step logic；
Second meter step judging unit 4, if being less than preset interval time value with the time interval of previous step for currently walking,
The current step being included in is given up.
The present invention gathers the current walking data of user by acceleration transducer, and with normally being walked according to what is pre-saved
The sinusoidal path that row data are drawn is made comparisons, if meeting above-mentioned condition, is entered meter step logic and is included in current step；And to working as
Preceding step is determined whether, if the time interval of current step and previous step is less than preset interval time value, is worked as what is be included in
Preceding step is given up.As it can be seen that technical solutions according to the invention can not only work normally on the mobile terminal for not supporting GPS, section
GPS module expense is saved, and meter step error is small, accuracy is high.
The step count set, further includes：
Walking reference memory cell 5, for store by acceleration transducer collection user's normal gait data and
The sinusoidal path of user's normal gait of acquisition；Wherein, the sinusoidal path include acceleration length and
Acceleration direction.By gathering user's normal gait data in advance, being drawn according to user's normal gait data of collection makes
The sinusoidal path of user's normal gait, the secondary standard of comparison whether being included in is walked as judging that user is current.
The sinusoidal path, is specially：
According to the acceleration parameter of three directions (x, y, z) during the user's normal gait gathered by acceleration transducer
The sinusoidal path of user's normal gait of drafting.
The step count set, further includes：
Meter step pause unit 6, if the acceleration of the current walking data of user for being collected by acceleration transducer
It is 0 to spend vector length value, then pause meter step.Midway user's stop motion, then step is counted in pause, if restarting walking movement,
Note step is then determined whether again, and total step number is step number before pause meter step plus the step number being included in after pause meter step.
The step count set, further includes：
Ambulatory status identifying unit 7, for before the user to being gathered by acceleration transducer 10 hyposynchronous row data point
Not compared with the sinusoidal path pre-saved；If the acceleration length value of described 10 hyposynchronous row data is respectively less than
Equal to the amplitude of the sinusoidal path pre-saved, and described 10 times within a cycle time of the sinusoidal path
The acceleration direction of walking data includes the change of positive and negative both direction, then is determined as walking movement, is opened into meter step logic
Begin meter step.
By judging before formal meter step user's motion state, if it is determined that being for the motion state of user
Ambulatory status, just initially enters meter step logic and prepares to count.Its purpose is to remove misdescription step, this is because it is some by bus or
Rocking for subway is substantially similar to people's walking sinusoidal path obtained, before formal meter step, by moving shape to user
The judgement of state, it is possible to increase count the accuracy of step, reduce meter step error.
Preferably, the preset interval time value is 0.2s.
The foregoing is only a preferred embodiment of the present invention, but protection scope of the present invention be not limited thereto,
Any one skilled in the art the invention discloses technical scope in, technique according to the invention scheme and its
Inventive concept is subject to equivalent substitution or change, should be covered by the protection scope of the present invention.
Claims (6)
- A kind of 1. step-recording method based on acceleration transducer, it is characterised in that including：User's normal gait data are gathered by acceleration transducer, obtain the sinusoidal path of user's normal gait； Wherein, the sinusoidal path includes acceleration length and acceleration direction；The current walking data of user are gathered by acceleration transducer；By current walking data compared with the sinusoidal path pre-saved；If the acceleration length value of current walking data is less than or equal to the amplitude of the sinusoidal path pre-saved, and The acceleration direction of current walking data includes the change of positive and negative both direction in a cycle time of the sinusoidal path Change, be then included in current step into meter step logic；If the time interval of current step and previous step is less than preset interval time value, the current step being included in is given up；Wherein, further include：If the acceleration length of the current walking data of the user collected by acceleration transducer It is worth for 0, then pause meter step；Before the current walking data that user is gathered by acceleration transducer, further include：10 hyposynchronous row data before user are gathered by acceleration transducer, to before collecting 10 hyposynchronous row data respectively with advance The sinusoidal path first preserved is compared；If the acceleration length value of described 10 hyposynchronous row data is respectively less than the width for being equal to the sinusoidal path pre-saved Value, and within a cycle time of the sinusoidal path acceleration direction of the 10 hyposynchronous row data include it is positive and negative The change of both direction, then be determined as walking movement, starts meter step into meter step logic.
- 2. a kind of step-recording method based on acceleration transducer according to claim 1, it is characterised in that described by adding Velocity sensor gathers user's normal gait data, obtains the sinusoidal path of user's normal gait, is specially：The acceleration parameter of three directions (x, y, z) when gathering user's normal gait by acceleration transducer, according to acceleration Spend the sinusoidal path that parameter draws user's normal gait.
- A kind of 3. step-recording method based on acceleration transducer according to claim 1, it is characterised in that it is described it is default between Every time value be 0.2s.
- A kind of 4. step count set based on acceleration transducer, it is characterised in that including：Walking reference memory cell, for gathering user's normal gait data by acceleration transducer, is obtaining user just The sinusoidal path of Chang Buhang；Wherein, the sinusoidal path includes acceleration length and acceleration direction；Walking data acquisition unit, for gathering the current walking data of user by acceleration transducer；Walking data comparing unit, for by current walking data compared with the sinusoidal path pre-saved；First meter step judging unit, if the acceleration length value for current walking data is less than or equal to pre-save just The amplitude of chord curve track, and within a cycle time of the sinusoidal path current walking data acceleration direction Include the change of positive and negative both direction, be then included in current step into meter step logic；Second meter step judging unit, will meter if being less than preset interval time value with the time interval of previous step for currently walking The current step entered is given up；Wherein, further include：Meter step pause unit, if the current walking data of user for being collected by acceleration transducer Acceleration length value be 0, then pause meter step；The step count set further includes：Ambulatory status identifying unit, for before the user to being gathered by acceleration transducer 10 hyposynchronous row data respectively with advance The sinusoidal path first preserved is compared；It is equal in advance if the acceleration length value of described 10 hyposynchronous row data is respectively less than The amplitude of the sinusoidal path first preserved, and the described 10 hyposynchronous line number within a cycle time of the sinusoidal path According to acceleration direction include the change of positive and negative both direction, then be determined as walking movement, start meter step into meter step logic.
- 5. a kind of step count set based on acceleration transducer according to claim 4, it is characterised in that described sinusoidal bent Line tracking, is specially：Drawn according to the acceleration parameter of three directions (x, y, z) during the user's normal gait gathered by acceleration transducer User's normal gait sinusoidal path.
- A kind of 6. step count set based on acceleration transducer according to claim 4, it is characterised in that it is described it is default between Every time value be 0.2s.
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN106153070A (en) * | 2015-04-15 | 2016-11-23 | 昆山研达电脑科技有限公司 | The bearing calibration of pedometer and system thereof |
| CN106500717B (en) * | 2015-09-08 | 2020-05-12 | 中兴通讯股份有限公司 | Method and device for realizing step counting |
| CN105682034B (en) * | 2016-01-28 | 2020-08-21 | 腾讯科技（深圳）有限公司 | Step counting method and related device, detection method and related device |
| CN106092131A (en) * | 2016-07-06 | 2016-11-09 | 珠海市魅族科技有限公司 | A kind of method and apparatus counting step |
| CN106289306A (en) * | 2016-07-29 | 2017-01-04 | 广东欧珀移动通信有限公司 | Step-recording method and device |
| ES2663899B2 (en) * | 2016-10-17 | 2018-09-11 | Universidade Da Coruña | System to assist walking |
| CN108072386B (en) * | 2016-11-11 | 2020-08-14 | 华为技术有限公司 | Step counting method and device |
| CN109431000B (en) * | 2017-04-12 | 2021-07-30 | 江苏杰创企业管理有限公司 | Motion guidance system and method based on step length information |
| CN108984562B (en) * | 2017-06-02 | 2022-03-08 | 四川理工学院 | Motion data statistical system and method based on Android platform |
| CN107421559A (en) * | 2017-07-19 | 2017-12-01 | 河南神州数码索贝科技有限公司 | A kind of step-recording method based on three-axis gyroscope |
| CN109737984A (en) * | 2018-12-24 | 2019-05-10 | 福建联迪商用设备有限公司 | A kind of step-recording method with high accuracy and terminal |
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Address after: 200233 Guiping Road, Xuhui District, No. 391, building 20, floor 3, Applicant after: Shanghai Zhuo Yi Science and Technology Co., Ltd. Address before: 200233 Shanghai City, Xuhui District Guiping road B new Caohejing International Business Center No. 391 20 floor Applicant before: Shanghai TYD Electronic Technology Co., Ltd. |
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Free format text: CORRECT: APPLICANT; FROM: SHANGHAI TYD ELECTRONIC TECHNOLOGY CO., LTD. TO: SHANGHAI ZHUOYI TECHNOLOGY CO., LTD. |
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