CN107948955B - Personnel positioning method based on intelligent handheld instrument - Google Patents
Personnel positioning method based on intelligent handheld instrument Download PDFInfo
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- CN107948955B CN107948955B CN201710986123.0A CN201710986123A CN107948955B CN 107948955 B CN107948955 B CN 107948955B CN 201710986123 A CN201710986123 A CN 201710986123A CN 107948955 B CN107948955 B CN 107948955B
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W4/00—Services specially adapted for wireless communication networks; Facilities therefor
- H04W4/02—Services making use of location information
- H04W4/023—Services making use of location information using mutual or relative location information between multiple location based services [LBS] targets or of distance thresholds
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01S—RADIO DIRECTION-FINDING; RADIO NAVIGATION; DETERMINING DISTANCE OR VELOCITY BY USE OF RADIO WAVES; LOCATING OR PRESENCE-DETECTING BY USE OF THE REFLECTION OR RERADIATION OF RADIO WAVES; ANALOGOUS ARRANGEMENTS USING OTHER WAVES
- G01S5/00—Position-fixing by co-ordinating two or more direction or position line determinations; Position-fixing by co-ordinating two or more distance determinations
- G01S5/02—Position-fixing by co-ordinating two or more direction or position line determinations; Position-fixing by co-ordinating two or more distance determinations using radio waves
- G01S5/0252—Radio frequency fingerprinting
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01S—RADIO DIRECTION-FINDING; RADIO NAVIGATION; DETERMINING DISTANCE OR VELOCITY BY USE OF RADIO WAVES; LOCATING OR PRESENCE-DETECTING BY USE OF THE REFLECTION OR RERADIATION OF RADIO WAVES; ANALOGOUS ARRANGEMENTS USING OTHER WAVES
- G01S5/00—Position-fixing by co-ordinating two or more direction or position line determinations; Position-fixing by co-ordinating two or more distance determinations
- G01S5/02—Position-fixing by co-ordinating two or more direction or position line determinations; Position-fixing by co-ordinating two or more distance determinations using radio waves
- G01S5/0257—Hybrid positioning
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01S—RADIO DIRECTION-FINDING; RADIO NAVIGATION; DETERMINING DISTANCE OR VELOCITY BY USE OF RADIO WAVES; LOCATING OR PRESENCE-DETECTING BY USE OF THE REFLECTION OR RERADIATION OF RADIO WAVES; ANALOGOUS ARRANGEMENTS USING OTHER WAVES
- G01S5/00—Position-fixing by co-ordinating two or more direction or position line determinations; Position-fixing by co-ordinating two or more distance determinations
- G01S5/02—Position-fixing by co-ordinating two or more direction or position line determinations; Position-fixing by co-ordinating two or more distance determinations using radio waves
- G01S5/04—Position of source determined by a plurality of spaced direction-finders
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01S—RADIO DIRECTION-FINDING; RADIO NAVIGATION; DETERMINING DISTANCE OR VELOCITY BY USE OF RADIO WAVES; LOCATING OR PRESENCE-DETECTING BY USE OF THE REFLECTION OR RERADIATION OF RADIO WAVES; ANALOGOUS ARRANGEMENTS USING OTHER WAVES
- G01S5/00—Position-fixing by co-ordinating two or more direction or position line determinations; Position-fixing by co-ordinating two or more distance determinations
- G01S5/02—Position-fixing by co-ordinating two or more direction or position line determinations; Position-fixing by co-ordinating two or more distance determinations using radio waves
- G01S5/06—Position of source determined by co-ordinating a plurality of position lines defined by path-difference measurements
Abstract
The invention discloses a personnel positioning method based on an intelligent handheld instrument, which comprises the following steps: the method comprises the following steps that an inspection worker to be positioned receives data information of an inspection position by using an intelligent handheld instrument and judges the signal type of the data information: when the data information is a radio frequency signal, the intelligent handheld instrument acquires the data information of the radio frequency tag and transmits the data information to the central control platform, and the central control platform positions the patrol personnel to be positioned; when the data information is a Bluetooth signal, the intelligent handheld instrument collects the data information of the Bluetooth label with the highest signal energy rank, and transmits the data information and the signal energy value to the central control platform, and the central control platform positions the patrol personnel to be positioned; when the intelligent handheld instrument cannot receive the data information of the radio frequency signal or the Bluetooth signal type, the intelligent handheld instrument acquires the GPS signal and transmits longitude and latitude coordinate information contained in the GPS signal to the central control platform. The invention can accurately position the position of the personnel in a complex environment.
Description
Technical Field
The invention relates to the technical field of intelligent positioning, in particular to a personnel positioning method based on an intelligent handheld instrument.
Background
The existing personnel positioning scheme is generally realized by adopting a single indoor or outdoor positioning technology, has various limitations and defects in the aspects of accuracy, penetrability, interference resistance, layout complexity and the like, and cannot be well adapted to a complex field environment.
The existing GPS positioning method can be applied to positioning of personnel in outdoor open places, but the GPS positioning information is difficult to receive in the environment with complex building layout, so that the positioning of the inspection personnel to be positioned cannot be completed.
The existing radio frequency positioning method is mainly applied to short-distance positioning, buildings which can not shield radio frequency signals cannot exist, and once a polling person to be positioned is far away from a polling point where a radio frequency tag is deployed, the positioning fails due to the fact that the radio frequency signals cannot be received.
Therefore, a personnel positioning method suitable for a site with a complex layout is needed to realize intelligent accurate personnel positioning and provide support for safety management and intelligent production management and control.
Disclosure of Invention
In order to solve the technical problems, the invention provides a personnel positioning method based on an intelligent handheld instrument, which solves the problem that routing inspection personnel positioning is difficult to complete due to complex layout of a site building and overcomes the defects of poor accuracy, inaccurate positioning and poor anti-interference performance in the traditional positioning method.
According to one aspect of the invention, the invention provides a person positioning method based on an intelligent handheld instrument, which comprises the following steps:
receiving data information of an inspection position by an intelligent handheld instrument held by an inspection person to be positioned and judging the signal type of the data information:
when the data information is a radio frequency signal, the intelligent handheld instrument collects the data information of a radio frequency tag deployed at an inspection position, transmits the data information of the radio frequency tag to a central control platform, and the central control platform positions an inspection person to be positioned through the data information of the radio frequency tag;
when the data information is a Bluetooth signal, the intelligent handheld instrument collects data information of a preset number of Bluetooth tags deployed at an inspection position and the signal energy of which is ranked ahead, and transmits the data information of the preset number of Bluetooth tags and corresponding signal energy values to a central control platform, and the central control platform positions an inspection person to be positioned through the data information of the preset number of Bluetooth tags and the corresponding signal energy values;
when the intelligent handheld instrument cannot receive the data information of the radio frequency signal or the Bluetooth signal type, the intelligent handheld instrument acquires a GPS signal containing longitude and latitude coordinate information describing the position of the inspection personnel to be positioned through a GPS positioning module, and transmits the GPS signal containing the longitude and latitude coordinate information to a central control platform.
In one embodiment of the invention, according to the signal type, the priority of the data information processed by the intelligent handheld instrument is a radio frequency signal, a Bluetooth signal and a GPS signal from high to low;
the method further comprises the following steps: and when the intelligent handheld instrument receives data information of multiple signal types at the same time, selecting the data information with the highest priority for processing.
In one embodiment of the invention, the data information of the radio frequency tag comprises an identification code of the radio frequency tag.
In an embodiment of the present invention, the positioning, by the central management and control platform, of the inspection personnel to be positioned through the data information of the radio frequency tag includes: and the central control platform is prestored with longitude and latitude coordinate information which is corresponding to the identification code of the radio frequency tag and describes the position of the radio frequency tag.
In an embodiment of the invention, the central control platform analyzes the received data information of the radio frequency tag, acquires longitude and latitude coordinate information describing the position of the radio frequency tag, and positions the patrol personnel to be positioned through the longitude and latitude coordinate information describing the position of the radio frequency tag.
In one embodiment of the invention, the data information of the bluetooth tag comprises an identification code of the bluetooth tag.
In an embodiment of the present invention, the central management and control platform prestores longitude and latitude coordinate information describing the position of the bluetooth tag corresponding to the identification code of the bluetooth tag.
In an embodiment of the present invention, the central control platform locates the polling personnel to be located according to the data information of the preset number of bluetooth tags and the corresponding signal energy values, and the method includes the following steps:
the central control platform analyzes the received data information of the preset number of Bluetooth tags, acquires longitude and latitude coordinate information of the positions of the preset number of Bluetooth tags, and converts the longitude and latitude coordinate information of the positions of the preset number of Bluetooth tags into corresponding geodetic coordinates by utilizing Gaussian forward calculation;
the central control platform calculates the distance between the polling personnel to be positioned and each Bluetooth tag according to the signal energy values of the Bluetooth tags with the preset number by using a Bluetooth RSSI algorithm, and calculates the geodetic coordinates reflecting the position of the polling personnel to be positioned by combining the geodetic coordinates of each Bluetooth tag;
the central control platform converts geodetic coordinates reflecting the positions of the patrolling personnel to be positioned into corresponding longitude and latitude coordinates by utilizing a Gaussian inverse algorithm, so that the positions of the patrolling personnel to be positioned are determined.
In an embodiment of the present invention, the preset number of bluetooth tags is at least three bluetooth tags.
In one embodiment of the invention, the method further comprises: and after the central control platform calculates longitude and latitude coordinate information describing the position of the inspection personnel to be positioned, the longitude and latitude coordinate information is stored and sent to the intelligent handheld instrument of the inspection personnel.
Compared with the prior art, one or more embodiments of the invention can have the following advantages or beneficial effects:
1. the invention realizes personnel positioning based on the intelligent handheld instrument by combining a plurality of positioning modes and setting different priorities, and overcomes the defects of poor accuracy, inaccurate positioning and poor anti-interference performance in the traditional positioning method.
2. The method provided by the invention can realize accurate positioning in a complex environment by combining a Gaussian forward and backward algorithm with a personnel positioning method of the preset number of Bluetooth tags.
3. The method provided by the invention solves the problem that the specific position information of the patrolling personnel to be positioned cannot be accurately positioned once the patrolling personnel is far away from the patrolling point in the traditional positioning method.
4. The invention solves the problem that the traditional positioning method only adopts single indoor or outdoor positioning and has poor penetrability to buildings in the positioning process.
Additional features and advantages of the invention will be set forth in the description which follows, and in part will be obvious from the description, or may be learned by the practice of the invention. The objectives and other advantages of the invention will be realized and attained by the structure particularly pointed out in the written description and claims hereof as well as the appended drawings.
Drawings
The accompanying drawings, which are included to provide a further understanding of the invention and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention and together with the description serve to explain the principles of the invention and not to limit the invention. In the drawings:
FIG. 1 is a flow chart of a method according to a first embodiment of the present invention;
fig. 2 shows a schematic diagram of positioning an inspector to be positioned by a preset number of bluetooth tags in the first embodiment of the present invention;
fig. 3 shows a flowchart of a method for locating an inspector to be located through a preset number of bluetooth tags in the first embodiment of the present invention.
Detailed Description
The following detailed description of the embodiments of the present invention will be provided with reference to the drawings and examples, so that how to apply the technical means to solve the technical problems and achieve the technical effects can be fully understood and implemented. It should be noted that, as long as there is no conflict, the embodiments and the features of the embodiments of the present invention may be combined with each other, and the technical solutions formed are within the scope of the present invention.
Example one
Referring to fig. 1, a personnel positioning method based on an intelligent handheld device applied to a petrochemical enterprise specifically includes the following steps:
step S1: the personnel of patrolling and examining of undetermined positioning open intelligent handheld appearance, open and patrol and examine the APP, according to patrolling and examining the data access and patrolling and examining the route, utilize intelligent handheld appearance to receive the data message of patrolling and examining position department and judge the signal type of data message:
step S21: when the data information is a radio frequency signal, the intelligent handheld instrument collects the data information of a radio frequency tag deployed at an inspection position, transmits the data information of the radio frequency tag to a central control platform, and the central control platform positions an inspection person to be positioned through the data information of the radio frequency tag;
step S22: when the data information is a Bluetooth signal, the intelligent handheld instrument collects data information of a preset number of Bluetooth tags deployed at an inspection position and the signal energy of which is ranked ahead, and transmits the data information of the preset number of Bluetooth tags and corresponding signal energy values to a central control platform, and the central control platform positions an inspection person to be positioned through the data information of the preset number of Bluetooth tags and the corresponding signal energy values;
step S23: when the intelligent handheld instrument cannot receive the data information of the radio frequency signal or the Bluetooth signal type, the intelligent handheld instrument acquires a GPS signal containing longitude and latitude coordinate information describing the position of the inspection personnel to be positioned through a GPS positioning module, and transmits the longitude and latitude coordinate information to a central control platform.
The personnel positioning method based on the intelligent handheld instrument, which is provided by the embodiment of the invention, applied to petrochemical enterprises can greatly improve the positioning precision and the anti-interference performance by combining various positioning methods such as a radio frequency tag, a Bluetooth tag and a GPS and setting the priority. In petrochemical enterprises with complex environments, the polling personnel to be positioned can realize seamless switching of various different positioning modes according to different received signals in polling routes. Meanwhile, the intelligent handheld instrument is combined with a central control platform, so that accurate personnel positioning support can be provided for electronic fence, operation control, inspection point check, task scheduling and the like. The method can be well suitable for complex field environments in petrochemical enterprises.
In step S1, according to the signal type, the priority of the data information processed by the intelligent handset is a radio frequency signal, a bluetooth signal, a GPS signal in sequence from high to low; when the intelligent handheld instrument receives data information of multiple signal types at the same time, the data information with the highest priority is selected for processing.
In step S21, when the data information is a radio frequency signal, the inspection person to be located should be at the inspection position. At this moment, the radio frequency tag deployed at the inspection position is applied for positioning, and the method specifically comprises the following steps:
step S211: the intelligent handheld instrument collects data information of a radio frequency tag deployed at an inspection position and transmits the data information of the radio frequency tag to a central control platform;
step S212: the central control platform analyzes the received data information of the radio frequency tag, acquires longitude and latitude coordinate information describing the position of the radio frequency tag, and positions the inspection personnel to be positioned through the longitude and latitude coordinate information describing the position of the radio frequency tag.
In step S211, the data information of the rf tag includes an identification code of the rf tag. The identification code contains longitude and latitude coordinate information describing the position of the radio frequency tag.
In step S212, the central control platform prestores longitude and latitude coordinate information describing the location of the radio frequency tag corresponding to the identification code of the radio frequency tag. And the central control platform stores and sends the longitude and latitude coordinate information to an intelligent handheld instrument of an inspection personnel to be positioned.
Referring to fig. 2 and 3, in step S22, the bluetooth tag is deployed in a building indoor or outdoor of a non-polling position in a polling line, and when a polling person to be positioned walks out of the polling position and cannot receive a radio frequency signal, the polling person to be positioned is preferentially positioned according to data information of the bluetooth tag with the three signal energy values ranked in front and corresponding signal energy values, and the specific implementation manner includes the following steps:
step S221: the intelligent handheld device automatically scans three nearby Bluetooth tags with the highest signal energy values and reads identification codes and signal energy values of the scanned Bluetooth tags; the method specifically comprises the following steps: a first bluetooth tag BT1, a second bluetooth tag BT2 and a third bluetooth tag BT 3; the signal energy values corresponding to the three Bluetooth tags are respectively first signalsEnergy value RSSI1Second signal energy value RSSI2And a third signal energy value RSSI3。
Step S222: the intelligent handheld device automatically and respectively corresponds to the first energy value RSSI of the first Bluetooth tag BT1, the second Bluetooth tag BT2 and the third Bluetooth tag BT31Second energy value RSSI2And a third energy value RSSI3And uploading to a central control platform.
Step S223: the central control platform analyzes the received data information of the three bluetooth tags, and respectively acquires a first longitude and latitude coordinate value (L) of the first bluetooth tag BT1 through prestored longitude and latitude coordinate information1,B1) A second longitude and latitude coordinate value (L) of a second Bluetooth label BT22,B2) And a third latitude and longitude coordinate value (L) of a third Bluetooth tag BT33,B3) Converting longitude and latitude coordinate information of respective positions of the three Bluetooth tags into corresponding geodetic coordinates (x) by utilizing Gaussian forward calculation1,y1)、(x2,y2) And (x)3,y3)。
Step S224: and the central control platform calculates the distance between the polling personnel to be positioned and each Bluetooth label according to the signal energy values of the three Bluetooth labels by utilizing a Bluetooth RSSI algorithm, and calculates geodetic coordinates (x, y) reflecting the position of the polling personnel to be positioned by combining the geodetic coordinates of each Bluetooth label.
Step S225: the central control platform converts geodetic coordinates (x, y) reflecting the position of the polling personnel to be positioned into corresponding longitude and latitude coordinates by utilizing Gaussian inverse calculation, so that the position of the polling personnel to be positioned is determined.
In step S221, when the inspection person to be positioned does not receive the radio frequency signal, the inspection person to be positioned is usually in a non-inspection position. This patrolling and examining personnel's that is pending to be positioned intelligence handheld appearance automatic scanning near bluetooth label to the bluetooth label of the first three-digit of reading signal energy value intensity reads. The signal energy value of the Bluetooth tag is stored in the Bluetooth tag.
In step S223, the data information of the bluetooth tag includes an identification code of the bluetooth tag, and the energy value of the bluetooth tag is stored in the identification code.
In step S223, the corresponding longitude and latitude coordinate information of all bluetooth tags is pre-stored in the central control platform. And acquiring pre-stored longitude and latitude coordinate values of the positions of the three Bluetooth tags at a central control platform, wherein the pre-stored longitude and latitude coordinate values specifically comprise a first longitude and latitude coordinate value (L1, B1), a second longitude and latitude coordinate value (L2, B2) and a third longitude and latitude coordinate value (L3, B3).
In step S223, a specific method for converting longitude and latitude coordinate information of each position of the bluetooth tag into corresponding geodetic coordinates by using gaussian forward calculation is as follows:
using the gaussian forward equation: the conversion accuracy of this formula is 0.0001 m.
Wherein: the angles are all radians, B is the latitude of a point, and L ═ L-L0L is the longitude of the point, L0 is the longitude of the central meridian; n is the radius of curvature of the meridian,
t＝tan B；η2＝e'2cos2B；
wherein X is the meridian arc length;
wherein the basic ellipsoid parameters are as follows:
ellipsoid major semiaxis a, ellipsoid oblateness f, ellipsoid minor semiaxis: a (1-f), ellipsoid first eccentricity:
ellipsoid second eccentricity:
a0，a2，a4，a6，a8as a basic constant, the value of X is calculated as follows:
wherein m is0，m2，m4，m6，m8Is a basic constant and is calculated according to the following formula:
m0＝a(1-e2)；
m4＝5e2m2；
the first bluetooth tag BT1, the second bluetooth tag BT2 and the third bluetooth tag BT3 can respectively correspond to longitude and latitude coordinate values (L) of positions by comprehensively utilizing the combination of the formulas (1), (2), (3) and (4)1,B1)、(L2,B2) And (L)3,B3) Respectively converted into geodetic coordinates (x)1,y1)、(x2,y2) And (x)3,y3)。
In step S224, the specific method for the central control platform to calculate the distance between the patrol inspection person to be positioned and each bluetooth tag according to the signal energy values of the three bluetooth tags by using the bluetooth RSSI algorithm is as follows:
d＝10^((abs(RSSI)-A)/(10*n)) (5)
wherein d is the calculated distance, RSSI is the signal energy intensity (negative value), A is the signal energy intensity when the transmitting end (Bluetooth label) and the receiving end (intelligent handheld instrument) are separated by 1 meter, and n is the environment attenuation factor.
In this step, the signal energy intensity RSSI of the first bluetooth tag BT1 is respectively carried in by formula (5)1Signal energy strength RSSI of a second Bluetooth tag BT22Signal energy strength RSSI of a third Bluetooth tag BT33And calculating first distances d between the patrol personnel to be positioned and the first Bluetooth tag BT1, the second Bluetooth tag BT2 and the third Bluetooth tag BT3 respectively1A second distance d2A third distance d3。
In step S224, the specific method of calculating the geodetic coordinates reflecting the position of the inspector to be positioned by combining the geodetic coordinates of the bluetooth tags is as follows:
the central control platform utilizes a three-point positioning algorithm of a formula (6) to obtain geodetic coordinates (x) corresponding to the respective positions of the three Bluetooth tags1,y1)、(x2,y2)、(x3,y3) And the distance d between the inspection personnel to be positioned and the three Bluetooth labels respectively1，d2，d3And calculating geodetic coordinates (x, y) of the position of the patrol personnel to be positioned.
Wherein, the position coordinate that corresponds three bluetooth label is respectively: (x)1,y1),(x2,y2),(x3,y3). The distances between the inspection personnel to be positioned and the three Bluetooth tags are d1, d2 and d3 respectively.
In step S225, a specific method of converting geodetic coordinates reflecting the position of the inspector to be positioned into corresponding longitude and latitude coordinates by inverse gaussian calculation is as follows:
using inverse gaussian formula: the conversion precision of the formula is 0.0001
L＝l+L0
Wherein: l is0Is the central meridian longitude, BfIn order to be the location latitude,
that is, the latitude corresponding to the meridional arc length when X ═ X. According to the meridian arc length formula:
performing iterative calculation;
the initial starting time is as follows:
each iteration is calculated according to the formulas (9) and (10),
repeat the iteration to
Until now.
And substituting geodetic coordinates (x, y) of the position of the inspection personnel to be positioned into formulas (7), (8), (9) and (10), and calculating longitude and latitude coordinates (L and B) of the inspection personnel to be positioned.
Wherein the content of the first and second substances,
tf＝tan Bf；
and after the central control platform calculates the longitude and latitude coordinate information describing the position of the inspection personnel to be positioned, the longitude and latitude coordinate information is stored and sent to the intelligent handheld instrument of the inspection personnel.
According to the method for positioning the patrol inspection personnel to be positioned through the longitude and latitude coordinate information of the Bluetooth tags with the three signal energy values ranked at the top and the corresponding signal energy values, provided by the embodiment of the invention, when radio frequency signals cannot be received (mostly in non-patrol inspection positions and indoor hidden environments), the positions of the patrol inspection personnel to be positioned can be accurately determined by using the three Bluetooth tags through a three-point positioning algorithm and a Gaussian forward and backward algorithm.
In addition, in step S23, after receiving the latitude and longitude coordinate information, the central control platform stores the latitude and longitude coordinate information and transmits the latitude and longitude coordinate information to the smart handheld device of the inspection worker.
Those skilled in the art will appreciate that the modules or steps of the invention described above can be implemented in a general purpose computing device, centralized on a single computing device or distributed across a network of computing devices, and optionally implemented in program code that is executable by a computing device, such that the modules or steps are stored in a memory device and executed by a computing device, fabricated separately into integrated circuit modules, or fabricated as a single integrated circuit module. Thus, the present invention is not limited to any specific combination of hardware and software.
Although the embodiments of the present invention have been described above, the above description is only for the convenience of understanding the present invention, and is not intended to limit the present invention. It will be understood by those skilled in the art that various changes in form and details may be made therein without departing from the spirit and scope of the invention as defined by the appended claims.
Claims (7)
1. A personnel positioning method based on an intelligent handheld instrument is characterized by comprising the following steps:
receiving data information of an inspection position by an intelligent handheld instrument held by an inspection person to be positioned and judging the signal type of the data information:
when the data information is a radio frequency signal, the intelligent handheld instrument collects the data information of a radio frequency tag deployed at an inspection position, transmits the data information of the radio frequency tag to a central control platform, and the central control platform positions an inspection person to be positioned through the data information of the radio frequency tag;
when the data information is a Bluetooth signal, the intelligent handheld instrument collects data information of a preset number of Bluetooth tags deployed at an inspection position and the signal energy of which is ranked ahead, and transmits the data information of the preset number of Bluetooth tags and corresponding signal energy values to a central control platform, and the central control platform positions an inspection person to be positioned through the data information of the preset number of Bluetooth tags and the corresponding signal energy values; wherein the content of the first and second substances,
the data information of the Bluetooth tag comprises an identification code of the Bluetooth tag;
the central control platform prestores longitude and latitude coordinate information which is corresponding to the identification code of the Bluetooth label and describes the position of the Bluetooth label;
when the intelligent handheld instrument cannot receive data information of a radio frequency signal or a Bluetooth signal type, the intelligent handheld instrument acquires a GPS signal containing longitude and latitude coordinate information describing the position of an inspection person to be positioned through a GPS positioning module and transmits the GPS signal containing the longitude and latitude coordinate information to a central control platform, wherein the priority of the data information processed by the intelligent handheld instrument is the radio frequency signal, the Bluetooth signal and the GPS signal from high to low in sequence according to the signal type;
the method further comprises the following steps:
and when the intelligent handheld instrument receives data information of multiple signal types at the same time, selecting the data information with the highest priority for processing.
2. The intelligent handset based personnel positioning method of claim 1, wherein:
the data information of the radio frequency tag comprises an identification code of the radio frequency tag.
3. The intelligent handset based personnel positioning method of claim 2, wherein:
and the central control platform is prestored with longitude and latitude coordinate information which is corresponding to the identification code of the radio frequency tag and describes the position of the radio frequency tag.
4. The intelligent handset based personnel positioning method of claim 3, wherein:
by central authorities' management and control platform passes through the data information of radio frequency tags is treated the personnel of patrolling and examining of location and is fixed a position, include:
the central control platform analyzes the received data information of the radio frequency tag, acquires longitude and latitude coordinate information describing the position of the radio frequency tag, and positions the inspection personnel to be positioned through the longitude and latitude coordinate information describing the position of the radio frequency tag.
5. The intelligent handset based personnel positioning method of claim 1, wherein:
by central authorities' management and control platform passes through the data information and the corresponding signal energy value of the bluetooth label of preset number are to be located the personnel of patrolling and examining of locating, including following step:
the central control platform analyzes the received data information of the preset number of Bluetooth tags, acquires longitude and latitude coordinate information of the positions of the preset number of Bluetooth tags, and converts the longitude and latitude coordinate information of the positions of the preset number of Bluetooth tags into corresponding geodetic coordinates by utilizing Gaussian forward calculation;
the central control platform calculates the distance between the polling personnel to be positioned and each Bluetooth tag according to the signal energy values of the Bluetooth tags with the preset number by using a Bluetooth RSSI algorithm, and calculates the geodetic coordinates reflecting the position of the polling personnel to be positioned by combining the geodetic coordinates of each Bluetooth tag;
the central control platform converts geodetic coordinates reflecting the positions of the patrolling personnel to be positioned into corresponding longitude and latitude coordinates by utilizing a Gaussian inverse algorithm, so that the positions of the patrolling personnel to be positioned are determined.
6. The intelligent handset based personnel positioning method of claim 1, wherein:
the preset number of Bluetooth tags is at least three Bluetooth tags.
7. The intelligent handset based personnel positioning method of claim 6, wherein:
further comprising:
and after the central control platform calculates longitude and latitude coordinate information describing the position of the inspection personnel to be positioned, the longitude and latitude coordinate information is stored and sent to the intelligent handheld instrument of the inspection personnel.
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| CN111739185A (en) * | 2020-06-30 | 2020-10-02 | 杭州梅格森测控技术有限公司 | Noninductive positioning inspection method and device |
| CN114526724B (en) * | 2022-02-18 | 2023-11-24 | 山东新一代信息产业技术研究院有限公司 | Positioning method and equipment for inspection robot |
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| US8838481B2 (en) * | 2011-07-26 | 2014-09-16 | Golba Llc | Method and system for location based hands-free payment |
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| CN106662632A (en) * | 2014-06-06 | 2017-05-10 | Zih公司 | Method, apparatus, and computer program product improving real time location systems with multiple location technologies |
| CN105025439A (en) * | 2015-06-26 | 2015-11-04 | 上海汇纳信息科技股份有限公司 | Indoor positioning system, applied database, indoor positioning method and indoor positioning device |
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