CN107087839A - Positioning belt, alignment system and localization method - Google Patents
Positioning belt, alignment system and localization method Download PDFInfo
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- CN107087839A CN107087839A CN201710202895.0A CN201710202895A CN107087839A CN 107087839 A CN107087839 A CN 107087839A CN 201710202895 A CN201710202895 A CN 201710202895A CN 107087839 A CN107087839 A CN 107087839A
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- 230000004807 localization Effects 0.000 title claims abstract description 17
- 230000001133 acceleration Effects 0.000 claims abstract description 52
- 238000001514 detection method Methods 0.000 claims description 35
- 230000002153 concerted Effects 0.000 claims description 10
- 210000001624 Hip Anatomy 0.000 claims description 2
- 238000005265 energy consumption Methods 0.000 abstract description 3
- 238000005516 engineering process Methods 0.000 description 4
- 206010001897 Alzheimer's disease Diseases 0.000 description 1
- 206010039966 Senile dementia Diseases 0.000 description 1
- 238000004891 communication Methods 0.000 description 1
- 235000013399 edible fruits Nutrition 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 239000003292 glue Substances 0.000 description 1
- PCHJSUWPFVWCPO-UHFFFAOYSA-N gold Chemical compound [Au] PCHJSUWPFVWCPO-UHFFFAOYSA-N 0.000 description 1
- 239000010931 gold Substances 0.000 description 1
- 229910052737 gold Inorganic materials 0.000 description 1
- 238000010030 laminating Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000006011 modification reaction Methods 0.000 description 1
- 230000004977 physiological function Effects 0.000 description 1
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Classifications
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- A—HUMAN NECESSITIES
- A41—WEARING APPAREL
- A41F—GARMENT FASTENINGS; SUSPENDERS
- A41F9/00—Belts, girdles, or waistbands for trousers or skirts
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01D—MEASURING NOT SPECIALLY ADAPTED FOR A SPECIFIC VARIABLE; ARRANGEMENTS FOR MEASURING TWO OR MORE VARIABLES NOT COVERED IN A SINGLE OTHER SUBCLASS; TARIFF METERING APPARATUS; MEASURING OR TESTING NOT OTHERWISE PROVIDED FOR
- G01D21/00—Measuring or testing not otherwise provided for
- G01D21/02—Measuring two or more variables by means not covered by a single other subclass
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- G—PHYSICS
- G08—SIGNALLING
- G08B—SIGNALLING OR CALLING SYSTEMS; ORDER TELEGRAPHS; ALARM SYSTEMS
- G08B21/00—Alarms responsive to a single specified undesired or abnormal condition and not otherwise provided for
- G08B21/02—Alarms for ensuring the safety of persons
- G08B21/0202—Child monitoring systems using a transmitter-receiver system carried by the parent and the child
Abstract
Positioning belt, alignment system and localization method that the present invention is provided, the positioning belt, belt body is provided with controller, locator, audible-visual annunciator, power supply and is evenly distributed with multiple acceleration transducers along its length;Locator is used for the positional information for obtaining wearer;Acceleration transducer is used for the acceleration for obtaining wearer;Power supply is used to power to positioning belt;Controller is additionally operable to judge whether wearer is in the hole according to the positional information of wearer, if in the hole, starts audible-visual annunciator and is alarmed.With being conveniently worn on, and according to default danger zone, judge whether wearer faces a danger, peritropous personnel are sought help.The positioning belt reads location information according to the distance of danger zone, low when apart from distant, reading location information frequency, high when apart from closer, reading location information frequency, has the advantages that low in energy consumption, stand-by time is long.
Description
Technical field
The invention belongs to communication technique field, and in particular to positioning belt, alignment system and localization method.
Background technology
With the development of science and technology, existing positioning method is varied, and such as GPS location, architecture, wifi are fixed
The positioning of the tag recognitions such as position, IP positioning, RFID/ Quick Response Codes, bluetooth positioning etc..Location technology is increasingly applied in the daily of people
In life, in terms of such as electronic commerce context, emergency management and rescue, in terms of public safety, many benefits and just have been brought
Profit.
Children because the age it is small thoughtless, it is individually outgoing often to occur various accidents, such as it is overboard, hit, at present I
State has a large amount of children to be missing every year, and great misfortune is brought to society, thus existing many positioning products arise at the historic moment, small
The particular location of child is found and found out in time when child faces a danger, such as the mobile phone with GPS location function is placed on child's body
On, also such as there is wrist-watch of positioning function etc..The current astogeny of China is increasingly serious, the elderly with the growth of year,
Physiological function gradually exhaustion, such as forgetful, senile dementia etc., it is individually outgoing usually to allow household to be difficult to trust, thus household is normal
The positioning product with positioning function often is worn to them, so as to the searching under fortuitous event.
Existing various positioning products and localization method have brought very big help really, allow household or guardian can
There is unexpected child or lost old man to search out, but existing positioning product is typically all regularly to server or prison
Protect people's terminal and send location information, between generally 10 minutes to one hour, because location information sends more frequent, just make
Big compared with high, power consumption into positioning product power consumption, stand-by time is short.And existing positioning product, head of a family or guardian are away from child
Or old man farther out when, be also difficult to be on the scene and succoured in time even if receiving alarm and seeking help.
The content of the invention
For defect of the prior art, the present invention provides positioning belt, alignment system and localization method, low in energy consumption, treat
The machine time is long, and whether the personnel that energy automatic detection wears locator are faced a danger, and peritropous personnel are sought help.
Positioning belt, including belt body and the buckle for being arranged on belt body two ends, belt body is provided with control
Device processed, locator, audible-visual annunciator, power supply and multiple acceleration transducers are evenly distributed with along its length;Locator
Positional information for obtaining wearer;Acceleration transducer is used for the acceleration for obtaining wearer;Power supply is used to give positioning waist
Band power supply, power supply is linked to be power circuit by two buckle snappings, when two buckle snappings, power circuit closure;Controller
It is additionally operable to judge whether wearer is in the hole according to the positional information of wearer, if in the hole, startup sound
Light crossing-signal is alarmed.
Preferably, one layer of rubber layer for wrapping up its outer surface is additionally provided with the buckle.
Alignment system, including above-mentioned positioning belt, server and mobile terminal;Server is used to be preset with hazardous area
Domain;Positioning belt is used for the positional information and acceleration for obtaining wearer, and judges whether wearer is in reference to danger zone
Precarious position, if wearer is in the hole, controls the audible-visual annunciator to be alarmed;Positioning belt be additionally operable to by
Warning message is sent to mobile terminal by server.
Localization method, runs in above-mentioned alignment system;Including:
S1:Multiple danger zones are preset with server;
S2:Positioning belt obtains the positional information of wearer, is defined as monitoring positional information, and be sent to server;
S3:Server obtains the danger zone in monitoring range, and be sent to calmly according to the monitoring positional information of wearer
Position waistband;
S4:Positioning belt obtains the positional information and acceleration of wearer in real time, and combines the hazardous area in monitoring range
Domain judges whether wearer is in the hole, if wearer is in the hole, controls the audible-visual annunciator to carry out
Alarm;
S5:Warning message is sent to mobile terminal by positioning belt by server.
Preferably, in the S4, the positional information at the time of point that positioning belt obtains wearer is:
Ti+1=Ti+Lj/3Vi;
Wherein, Ti+1For positioning belt next time reading position information at the time of, TiFor the last reading position of positioning belt
At the time of information, LjFor positioning belt and the distance of j-th of danger zone, ViFor being averaged in the monitoring time on positioning belt
Speed.
Preferably, in the S4, when the positional information for judging wearer is fallen into danger zone, it is defined as dangerous shape
State;I.e.:Work as LjDuring less than default safe distance, judge that wearer is fallen into danger zone, be defined as precarious position.
Preferably, in the S4, when judging wearer's disequilibrium with reference to acceleration, it is defined as precarious position;I.e.:
Wherein, a is all acceleration making a concerted effort in detection plane component, ak+1It is that+1 acceleration of kth is detecting plane
Upper component, K is the quantity of acceleration transducer;B is all acceleration in making a concerted effort perpendicular to detection plane component, bk+1For
+ 1 acceleration of kth is perpendicular to detection plane component;The detection plane is the plane residing for acceleration transducer, wherein
In whole acceleration transducers are generally aligned in the same plane;
When a be more than it is default detection plane component threshold value, b be more than it is default perpendicular to detection plane component threshold value and
When the positional information of wearer is fallen into danger zone, judge wearer's disequilibrium, be defined as precarious position.
Preferably, in the S4, when detect wearer it is in the hole and receive releasing alarm command when, positioning
Waistband obtains the danger zone being presently in, and is defined as releasing alarm region;Releasing alarm region is in when detecting wearer
When interior, the audible-visual annunciator is controlled to close;When detect the current positional information of wearer depart from release alarm region when, clearly
Sky releases alarm region.
Preferably, in addition to:
S6:When the positional information for detecting positioning belt departs from monitoring range, S2 is returned.
Preferably, in addition to:
S7:The positioning belt is additionally operable to record the driving path of wearer:Driving path includes starting point and flex point;
Starting point is original position-information when positioning belt starts;
Positioning belt obtains the moving direction of wearer according to setpoint frequency and is defined as routing information, when being consecutively detected
When the number of the routing information of identical moving direction exceedes default rectilinear movement number, the last routing information is preserved;
When the moving direction for the wearer that positioning belt is detected deviates the moving direction in last routing information, this road is preserved
Footpath information, is defined as flex point.
As shown from the above technical solution, the present invention is provided positioning belt, alignment system and localization method, are conveniently worn on
With, and according to default danger zone, judge whether wearer faces a danger, and carry out sound and light alarm, peritropous personnel
Sought help.The positioning belt reads location information according to the distance of danger zone, when apart from distant, reads location information
Frequency is low, when apart from closer, read location information frequency height, has the advantages that low in energy consumption, stand-by time is long.
Brief description of the drawings
, below will be to specific in order to illustrate more clearly of the specific embodiment of the invention or technical scheme of the prior art
The accompanying drawing used required in embodiment or description of the prior art is briefly described.In all of the figs, similar element
Or part is general by similar reference mark.In accompanying drawing, each element or part might not be drawn according to actual ratio.
Fig. 1 is the structural representation of positioning belt.
Fig. 2 is the structured flowchart of alignment system.
Fig. 3 is the flow chart of localization method.
Embodiment
The embodiment of technical solution of the present invention is described in detail below in conjunction with accompanying drawing.Following examples are only used for
Clearly illustrate technical scheme, therefore be only used as example, and the protection model of the present invention can not be limited with this
Enclose.It should be noted that unless otherwise indicated, technical term or scientific terminology used in this application are should be belonging to the present invention
The ordinary meaning that art personnel are understood.
Embodiment:
Positioning belt, as shown in figure 1, including belt body and being arranged on the buckle at belt body two ends, waistband sheet
Body is provided with controller, locator, audible-visual annunciator, power supply and is evenly distributed with multiple acceleration sensings along its length
Device;Locator is used for the positional information for obtaining wearer;Acceleration transducer is used for the acceleration for obtaining wearer;Power supply is used for
Powered to positioning belt, power supply is linked to be power circuit by two buckle snappings, when two buckle snappings, power circuit is closed
Close;Controller is additionally operable to judge whether wearer is in the hole according to the positional information of wearer, if in dangerous shape
State, starts audible-visual annunciator and is alarmed.
The waistband is in use, the line fastened in loins, waistband between modules is embedded in belt body, when by two
Power circuit closure in buckle snapping, such waistband, power supply is started working to the power electronic equipment in waistband.Accelerate
Degree embodies the speed degree moved wearer's moment, and acceleration is bigger, and wearer's movement is faster., can when acceleration is excessive
To be determined as that wearer is in tumble state.When it is implemented, length direction distribution of the acceleration transducer along belt body
And in same level height, so, if wearer above moves in only the horizontal direction, acceleration is flat perpendicular to detection
On face component to make a concerted effort be zero;If wearer in the vertical direction is moved, conjunction of the acceleration in detection plane component
Power is zero;If wearer is in heeling condition, acceleration there are point in detection plane and in detection plane
Amount, if wearer tumble, acceleration detection plane or perpendicular to detection plane on component it is excessive.The positioning belt side
Just with being worn on, and according to default danger zone, judge whether wearer faces a danger, and carry out sound and light alarm, cause
The attention of the personnel on periphery, peritropous personnel are sought help.
In order to prevent wearer from getting an electric shock, one layer of rubber layer for wrapping up its outer surface is additionally provided with the buckle.It is specific real
Velocity sensor is also provided with Shi Shi, belt body, the speed for detecting wearer's movement.On one of buckle
Provided with through hole, outwardly on the side of another buckle to be provided with clamping part, two buckles pass through through hole interference by clamping part
Coordinate snapping, clamping part includes rubber section and is covered in the flexible conductive layer of rubber section outer surface, wherein flexible conductive layer and gold
The surface laminating of category button.Rubber section can be deformed upon so that clamping part is interference fitted snapping through through hole, when force, rubber
Glue portion is deformed upon so that clamping part departs from through hole.When flexible conductive layer is ensured with through hole snapping, between two buckles just
Normal open electricity.
Alignment system, as shown in Fig. 2 including above-mentioned positioning belt, server and mobile terminal;Server is used to preset
Dangerous region;Positioning belt is used for the positional information and acceleration for obtaining wearer, and judges wearer with reference to danger zone
It is whether in the hole, if wearer is in the hole, control the audible-visual annunciator to be alarmed;Positioning belt
It is additionally operable to warning message being sent to mobile terminal by server.
Danger zone includes the regions such as river bank, stair, highway, and the danger zone can be by guardian's setting either
Server is self-defined.Other danger zone can also be by the way of being manually entered, i.e., server is whole to movement by Map
End, guardian is according to the concrete condition of wearer, and being marked manually in the map that mobile terminal is loaded needs the side of alarm region
Boundary, forms the danger zone.After alarm, warning message (is included positional information, the precarious position of wearer by positioning belt
Deng) mobile terminal is given, facilitate guardian to understand position and the precarious position that wearer is presently in time, and rescued in time
Help.
Localization method, as shown in figure 3, being run in above-mentioned alignment system;Including:
S1:Multiple danger zones are preset with server;
S2:Positioning belt obtains the positional information of wearer, is defined as monitoring positional information, and be sent to server;
S3:Server obtains the danger zone in monitoring range, and be sent to calmly according to the monitoring positional information of wearer
Position waistband;
S4:Positioning belt obtains the positional information and acceleration of wearer in real time, and combines the hazardous area in monitoring range
Domain judges whether wearer is in the hole, if wearer is in the hole, controls the audible-visual annunciator to carry out
Alarm;
S5:Warning message is sent to mobile terminal by positioning belt by server.
When it is implemented, when positioning belt starts, it is monitoring positional information to define its initial positional information, monitors position
Confidence is ceased for indicating the regional extent for needing to monitor, and monitoring range can be the default prison to monitor positional information as the center of circle
Ranging is from the circular monitored area formed for radius.Step S2-S3 is used to reduce the danger zone quantity for needing to monitor, i.e., only need
Monitor the danger zone of nearby (i.e. in monitoring range), it is not necessary to monitor all danger zones, reduce positioning belt
Monitoring variable, reduces the power consumption of positioning belt, extends stand-by time.
Positioning belt obtain wearer positional information at the time of point be:
Ti+1=Ti+Lj/3Vi;
Wherein, Ti+1For positioning belt next time reading position information at the time of, TiFor the last reading position of positioning belt
At the time of information, LjFor positioning belt and the distance of j-th of danger zone, ViFor being averaged in the monitoring time on positioning belt
Speed.
If when it is implemented, the frequency of positioning belt reading position information is higher, wearer can be best understood from
Location and wearer can be known as early as possible whether in danger, but positioning belt continually reading position information,
Cause power consumption larger.But if in order to reduce power consumption, extend positioning belt read access time, allowing for guardian can not be in time
Grasp the location of wearer.The interval of positioning belt twi-read positional information and L in this wayj、ViIt is relevant, by upper
Formula can be seen that Lj/ViValue it is bigger, the interval of twi-read positional information is longer, Lj/ViRepresent that wearer reaches j-th of danger
The time in danger zone domain, if the time is longer, illustrate that wearer also has the long period to get to j-th of danger zone, Ke Yiyan
The time of long reading position information next time, reduce the number of times of positioning belt reading position information, reduce the power consumption of positioning belt.Separately
Outside, in order to ensure in time to position wearer, the coefficient of detection moment point is preferably 3 in this method, as wearer
Reach the 1/3 of danger zone time.1/3 had both been not in that the positioning interval time is oversize, and causing could not be dangerous in wearer's arrival
The positional information of wearer is obtained before region, is occurred dangerous;Also be not in the positioning interval time it is too short, cause wearer's distance
The far positional information for just obtaining wearer in danger zone, 1/3 while ensureing to obtain the positional information of wearer in time, energy
Enough work times for reducing locator as far as possible, preferably reduce power consumption.This method reads positioning according to the distance of danger zone
Information, it is low when apart from distant, reading location information frequency, it is high when apart from closer, reading location information frequency, with power consumption
Low, stand-by time length advantage.
Precarious position in the S4 can judge by the following method:
Method one:In the S4, when the positional information for judging wearer is fallen into danger zone, dangerous shape is defined as
State;I.e.:Work as LjDuring less than default safe distance, judge that wearer is fallen into danger zone, be defined as precarious position.I.e. when fixed
Position waistband and the distance of j-th of danger zone are too small, less than safe distance, it is believed that wearer is in the hole, safe distance
Set according to the concrete condition of wearer.
Method two:In the S4, when judging wearer's disequilibrium with reference to acceleration, precarious position is defined as;I.e.:
Wherein, a is all acceleration making a concerted effort in detection plane component, ak+1It is that+1 acceleration of kth is detecting plane
Upper component, K is the quantity of acceleration transducer;B is all acceleration in making a concerted effort perpendicular to detection plane component, bk+1For
+ 1 acceleration of kth is perpendicular to detection plane component;The detection plane is the plane residing for acceleration transducer, wherein
In whole acceleration transducers are generally aligned in the same plane;
When a be more than it is default detection plane component threshold value, b be more than it is default perpendicular to detection plane component threshold value and
When the positional information of wearer is fallen into danger zone, judge wearer's disequilibrium, be defined as precarious position.
All acceleration ought be detected and detect plane component threshold value in being more than with joint efforts for detection plane component, and
All acceleration when making a concerted effort to be more than perpendicular to detection plane component threshold value, are judging the pendant perpendicular to detection plane component
Wearer falls or slided into.Detect plane component threshold value and perpendicular to detection plane component threshold value according to wearer's concrete condition
It is determined that.If wearer falls or slided into, and when falling into danger zone, judges that wearer is in the hole.If all add
Speed makes a concerted effort to be more than detection plane component threshold value, and all acceleration flat perpendicular to detection detection plane component
On face component make a concerted effort be more than perpendicular to detection plane component threshold value, but the positional information of wearer does not fall within danger zone
It is interior, do not alarm now.
In the S4, when detect wearer it is in the hole and receive releasing alarm command when, positioning belt is obtained
The danger zone being presently in is taken, is defined as releasing alarm region;When detecting wearer in releasing alarm region, control
The audible-visual annunciator is made to close;When detect the current positional information of wearer depart from release alarm region when, empty releasing
Alarm region.
When it is implemented, releasing alarm command can be obtained by the releasing alarm button being arranged in belt body, such as
During fruit positioning belt false alarm, wearer can release alarm button releasing alarm by pressing, and illustrate when in the danger
Do not alarmed when in region.After releasing alarm command is received, before wearer does not leave the danger zone, even if detecting pendant
Wearer is in the hole, does not also alarm.If detecting wearer to leave behind the danger zone, data are emptied.The step is used
In the inaccurate warning message of wearer's manual correction positioning belt, the degree of accuracy of alarm is improved, while it also avoid not
Need the region repetition of alarms of alarm.
Also include:
S6:When the positional information for detecting positioning belt departs from monitoring range, wearer is positioned again, obtained
New monitored area, returns to S2.
Also include:
S7:The positioning belt is additionally operable to record the driving path of wearer:Driving path includes starting point and flex point;
Starting point is original position-information when positioning belt starts;
Positioning belt obtains the moving direction of wearer according to setpoint frequency and is defined as routing information, when being consecutively detected
When the number of the routing information of identical moving direction exceedes default rectilinear movement number, the last routing information is preserved;
When the moving direction for the wearer that positioning belt is detected deviates the moving direction in last routing information, this road is preserved
Footpath information, is defined as flex point.
This method is additionally operable to record the driving path of wearer and is sent to mobile terminal, facilitates guardian's fast searching to arrive
Wearer finds loss article on the driving path of wearer.The data that driving path is mainly preserved include starting point and
Flex point;This method is after the routing information of a number of identical moving direction is obtained, it is believed that be currently at rectilinear movement, then not
The routing information obtained after being saved in the same straight-line travelling section in face, saves the data volume of storage.When detecting movement side
To when deviateing the moving direction in last routing information, it is believed that wearer turns round, and records the flex point.This method only passes through record
A small amount of data point just results in the driving path of wearer, saves the memory space of data occupancy.Move linearly number
It can be set as 3-5.
Finally it should be noted that:Various embodiments above is merely illustrative of the technical solution of the present invention, rather than its limitations;To the greatest extent
The present invention is described in detail with reference to foregoing embodiments for pipe, it will be understood by those within the art that:Its according to
The technical scheme described in foregoing embodiments can so be modified, or which part or all technical characteristic are entered
Row equivalent substitution;And these modifications or replacement, the essence of appropriate technical solution is departed from various embodiments of the present invention technology
The scope of scheme, it all should cover among the claim of the present invention and the scope of specification.
Claims (10)
1. positioning belt, including belt body and the buckle for being arranged on belt body two ends, it is characterised in that belt body
It is provided with controller, locator, audible-visual annunciator, power supply and is evenly distributed with multiple acceleration sensings along its length
Device;Locator is used for the positional information for obtaining wearer;Acceleration transducer is used for the acceleration for obtaining wearer;Power supply is used for
Powered to positioning belt, power supply is linked to be power circuit by two buckle snappings, when two buckle snappings, power circuit is closed
Close;Controller is additionally operable to judge whether wearer is in the hole according to the positional information of wearer, if in dangerous shape
State, starts audible-visual annunciator and is alarmed.
2. positioning belt according to claim 1, it is characterised in that one layer is additionally provided with the buckle and wraps up its appearance
The rubber layer in face.
3. alignment system, it is characterised in that including the positioning belt described in claim 1, server and mobile terminal;Server
For being preset with danger zone;Positioning belt is used for the positional information and acceleration for obtaining wearer, and sentences with reference to danger zone
Whether disconnected wearer is in the hole, if wearer is in the hole, controls the audible-visual annunciator to be alarmed;
Positioning belt is additionally operable to warning message being sent to mobile terminal by server.
4. localization method, it is characterised in that run in the alignment system described in claim 3;Including:
S1:Multiple danger zones are preset with server;
S2:Positioning belt obtains the positional information of wearer, is defined as monitoring positional information, and be sent to server;
S3:Server obtains the danger zone in monitoring range, and be sent to positioning waist according to the monitoring positional information of wearer
Band;
S4:Positioning belt obtains the positional information and acceleration of wearer in real time, and the danger zone combined in monitoring range is sentenced
Whether disconnected wearer is in the hole, if wearer is in the hole, controls the audible-visual annunciator to be alarmed;
S5:Warning message is sent to mobile terminal by positioning belt by server.
5. localization method according to claim 4, it is characterised in that in the S4, positioning belt obtains the position of wearer
Confidence ceases at the time of point:
Ti+1=Ti+Lj/3Vi;
Wherein, Ti+1For positioning belt next time reading position information at the time of, TiFor the last reading position information of positioning belt
At the time of, LjFor positioning belt and the distance of j-th of danger zone, ViFor the average speed in the monitoring time on positioning belt.
6. localization method according to claim 5, it is characterised in that in the S4, when the positional information for judging wearer
When falling into danger zone, precarious position is defined as;I.e.:Work as LjDuring less than default safe distance, judge that wearer falls into danger
In the domain of danger zone, precarious position is defined as.
7. localization method according to claim 6, it is characterised in that in the S4, wearer is judged when combining acceleration
During disequilibrium, precarious position is defined as;I.e.:
<mrow>
<mi>a</mi>
<mo>=</mo>
<munderover>
<mi>&Sigma;</mi>
<mrow>
<mi>k</mi>
<mo>=</mo>
<mn>1</mn>
</mrow>
<mi>K</mi>
</munderover>
<msub>
<mi>a</mi>
<mrow>
<mi>k</mi>
<mo>+</mo>
<mn>1</mn>
</mrow>
</msub>
<mo>;</mo>
</mrow>
<mrow>
<mi>b</mi>
<mo>=</mo>
<munderover>
<mi>&Sigma;</mi>
<mrow>
<mi>k</mi>
<mo>=</mo>
<mn>1</mn>
</mrow>
<mi>K</mi>
</munderover>
<msub>
<mi>b</mi>
<mrow>
<mi>k</mi>
<mo>+</mo>
<mn>1</mn>
</mrow>
</msub>
<mo>;</mo>
</mrow>
Wherein, a is all acceleration making a concerted effort in detection plane component, ak+1Divide for+1 acceleration of kth in detection plane
Amount, K is the quantity of acceleration transducer;B is all acceleration in making a concerted effort perpendicular to detection plane component, bk+1For kth+1
Individual acceleration is perpendicular to detection plane component;The detection plane is the plane residing for acceleration transducer, wherein all
In acceleration transducer is generally aligned in the same plane;
When a is more than default detection plane component threshold value, b is more than default plane component threshold value and to be worn perpendicular to detection
When the positional information of person is fallen into danger zone, judge wearer's disequilibrium, be defined as precarious position.
8. localization method according to claim 6, it is characterised in that in the S4, danger is in when detecting wearer
State and when receiving releasing alarm command, positioning belt obtains the danger zone that is presently in, is defined as releasing alarm region;
When detecting wearer in releasing alarm region, the audible-visual annunciator is controlled to close;It is current when detecting wearer
Positional information depart from release alarm region when, empty releasing alarm region.
9. localization method according to claim 4, it is characterised in that also include:
S6:When the positional information for detecting positioning belt departs from monitoring range, S2 is returned.
10. localization method according to claim 4, it is characterised in that also include:
S7:The positioning belt is additionally operable to record the driving path of wearer:Driving path includes starting point and flex point;
Starting point is original position-information when positioning belt starts;
Positioning belt obtains the moving direction of wearer according to setpoint frequency and is defined as routing information, identical when being consecutively detected
When the number of the routing information of moving direction exceedes default rectilinear movement number, the last routing information is preserved;When fixed
When the moving direction for the wearer that position waistband is detected deviates the moving direction in last routing information, this path letter is preserved
Breath, is defined as flex point.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201710202895.0A CN107087839B (en) | 2017-03-30 | 2017-03-30 | Positioning belt, positioning system and localization method |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201710202895.0A CN107087839B (en) | 2017-03-30 | 2017-03-30 | Positioning belt, positioning system and localization method |
Publications (2)
Publication Number | Publication Date |
---|---|
CN107087839A true CN107087839A (en) | 2017-08-25 |
CN107087839B CN107087839B (en) | 2019-03-19 |
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CN107744203A (en) * | 2017-10-26 | 2018-03-02 | 中国地质大学(武汉) | A kind of infrared temperature detection positioning security cap based on NB IoT networks |
CN109118829A (en) * | 2018-09-10 | 2019-01-01 | 北京航空航天大学东营研究院 | A kind of airport personnel dynamic monitoring and controlling method and system |
CN109413583A (en) * | 2018-11-28 | 2019-03-01 | 浙江大华技术股份有限公司 | A kind of ranging control method and device |
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