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CN110493709B - Personnel monitoring system and method based on wireless positioning - Google Patents

Personnel monitoring system and method based on wireless positioning Download PDF

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Publication number
CN110493709B
CN110493709B CN201910660265.7A CN201910660265A CN110493709B CN 110493709 B CN110493709 B CN 110493709B CN 201910660265 A CN201910660265 A CN 201910660265A CN 110493709 B CN110493709 B CN 110493709B
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area
visitors
counter
count value
visiting
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CN110493709A (en
Inventor
刘峰
严俊雄
宣皓滢
郑玉珍
张震宇
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Shanghai Tianhe Smart Elderly Care Service Co ltd
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Zhejiang Lover Health Science and Technology Development Co Ltd
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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
    • H04W4/021—Services related to particular areas, e.g. point of interest [POI] services, venue services or geofences
    • 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
    • H04W4/025—Services making use of location information using location based information parameters
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W4/00—Services specially adapted for wireless communication networks; Facilities therefor
    • H04W4/80—Services using short range communication, e.g. near-field communication [NFC], radio-frequency identification [RFID] or low energy communication

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  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Management, Administration, Business Operations System, And Electronic Commerce (AREA)
  • Mobile Radio Communication Systems (AREA)

Abstract

The invention discloses a personnel monitoring system and a method based on wireless positioning. The invention relates to a personnel monitoring system based on wireless positioning, which comprises: the acquisition module is used for acquiring the position information of the visitor; the judging module is used for judging the visiting area where the visitor is located according to the acquired position information; and the storage module is used for storing the information of the visiting area where the visitor is located, which is obtained by judgment. The invention can monitor the position information of the visitors and obtain the interest degree of the visitors in the current exhibition area according to the information of the visiting area where the visitors are located.

Description

Personnel monitoring system and method based on wireless positioning
Technical Field
The invention relates to the technical field of exhibition area management, in particular to a personnel monitoring system and a personnel monitoring method based on wireless positioning.
Background
The exhibition hall is generally called as a exhibition hall and is an activity place used for showing commodities, meeting communication, information transmission, economic trade and the like; the exhibition hall is a building, and expresses and shows a certain cultural connotation; the exhibition hall is also an economic organization and a social organization which are managed objectively, and the knowledge and the technology are applied to management, production and management, so that products and services are provided, and economic benefits and social benefits are created.
The exhibition hall (museum, science and technology museum, etc.), the exhibition, the recruitment venue, etc. have exhibition areas and visitors, and generally can be divided into a plurality of exhibition areas according to the theme, such as the exhibition areas of space flight, electric power, information, biology, chemical industry, etc., taking the science and technology museum as an example. An effective information interaction method and an effective information interaction system are lacked between the existing exhibition area and visitors, the information quantity of the interaction between the exhibition area and the visitors is relatively limited, the functional level is not deep enough, and the method still needs to be promoted.
The patent with publication number CN108958234A discloses a path planning system and a planning method in a hot spot large-scale exhibition hall, the path planning system in the hot spot large-scale exhibition hall comprises a plurality of path detection devices, each path detection device comprises a number measurement module, a movement detection module and a processor, the processor processes data, the communication module is connected with a central computer, meanwhile, the communication module processes and sends a received command of the central computer to the light control module and the audio control module, the light control module controls the on and off of a corresponding lamp, and the audio control module can control the playing of a corresponding audio and can carry out real-time conversation; after the central computer calculates the paths, the path detection devices corresponding to the nodes are found out, and the lighting and audio playing commands are sequentially sent to the path detection devices corresponding to the addresses step by step. The system can reasonably plan the path and utilize the light in the hot spot large-scale exhibition hall for navigation, so that tourists can be guided more easily, and the ideal effects of safety, high efficiency, energy conservation and the like are achieved. The system can be combined with lamplight in an exhibition hall according to a path to achieve the purpose of navigation, but the system cannot monitor the position information of visitors and cannot determine which exhibition area corresponds to the position of the visitors.
Disclosure of Invention
The invention aims to provide a personnel monitoring system and a personnel monitoring method based on wireless positioning, which can monitor the position information of visitors and obtain the interest degree of the visitors in the current exhibition area according to the information of the visiting area where the visitors are located.
In order to achieve the purpose, the invention adopts the following technical scheme:
a wireless location based personnel monitoring system comprising:
the acquisition module is used for acquiring the position information of the visitor;
the judging module is used for judging the visiting area where the visitor is located according to the acquired position information;
and the storage module is used for storing the information of the visiting area where the visitor is located, which is obtained by judgment.
Further, the method also comprises the following steps:
and the pre-storage module is used for pre-storing the coordinate position of the visit area.
Further, the visitors carry portable devices; the portable device comprises an RFID module and a first wireless positioning module.
Furthermore, a second wireless positioning module is arranged in the visiting area; the second wireless location module is in interactive communication with the first wireless location module.
Further, the method also comprises the following steps:
and the identification module is used for identifying the RFID module and acquiring the identity information of the visitor.
Further, the visiting area includes an optimal area and a general area.
Correspondingly, a personnel monitoring method based on wireless positioning is also provided, and the method comprises the following steps:
s1, acquiring position information of visitors;
s2, judging a visiting area where the visiting person is located according to the acquired position information;
and S3, storing the information of the visiting area where the visitor is located, which is obtained by judgment.
Further, the step S1 is preceded by the steps of:
s0. prestore the coordinate locations of the visiting area.
Further, the visitors carry portable devices; the portable device comprises an RFID module and a first wireless positioning module.
Furthermore, a second wireless positioning module is arranged in the visiting area; the second wireless location module is in interactive communication with the first wireless location module.
Compared with the prior art, the wireless positioning module is arranged around the field coverage area of each exhibition area and is in interactive communication with the portable device carried by the visitor, so that the visitor can be positioned more accurately; the invention judges the visiting area of the visitor according to the position information of the visitor, can obtain the interest degree of the visitor to the current exhibition area, and can obtain which exhibition areas are popular and which exhibition areas are unpopular, thereby improving the related exhibition work.
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FIG. 1 is a block diagram of a wireless location based people monitoring system according to an embodiment;
fig. 2 is a flowchart of a method for monitoring people based on wireless positioning according to an embodiment;
fig. 3 is a schematic view of the exhibition area according to the first embodiment.
Detailed Description
The embodiments of the present invention are described below with reference to specific embodiments, and other advantages and effects of the present invention will be easily understood by those skilled in the art from the disclosure of the present specification. The invention is capable of other and different embodiments and of being practiced or of being carried out in various ways, and its several details are capable of modification in various respects, all without departing from the spirit and scope of the present invention. It is to be noted that the features in the following embodiments and examples may be combined with each other without conflict.
The invention aims to provide a personnel monitoring system and a personnel monitoring method based on wireless positioning, aiming at the defects of the prior art.
Example one
The personnel monitoring system based on wireless location that this embodiment provided, as shown in fig. 1, includes:
the acquisition module 11 is used for acquiring the position information of the visitor;
the judging module 12 is configured to judge a visiting area where the visitor is located according to the acquired location information;
and the storage module 13 is configured to store the information of the visiting area where the visitor is located, which is obtained through the judgment.
It should be noted that a plurality of exhibition areas form a venue, that is, a plurality of exhibition areas are included in a venue.
Each exhibition area of this embodiment all is equipped with entry and export, and every entry and export all are provided with the RFID read head. According to the embodiment, the RFID reading heads arranged at the entrance and the exit of each exhibition area are used, so that the system can automatically identify which exhibition area the current visitor enters.
As shown in fig. 3, the exhibition area includes a content presentation device, a field coverage area.
The content display device includes an exhibit, a display board, a display stand, a large screen playing device, etc., but in practical situations, the content display device is not limited to the display device provided in this embodiment, and can be determined according to practical situations.
The site coverage area is formed according to the characteristics of the display device, the site shape and the like of the actual situation. The present embodiment divides the site coverage area into an optimal area and a general area. In practical cases, an area closer to the content presentation device is an optimal area, and an area farther from the content presentation device is a normal area.
In this embodiment, the method further includes:
and the pre-storage module is used for pre-storing the coordinate position of the visit area.
In this embodiment, a wireless positioning reference node (hereinafter referred to as a second wireless positioning module) is disposed around a field coverage area of each exhibition area.
According to the characteristics of the field shape, the start-stop range of the coordinate position of the field coverage area (namely the visiting area) is obtained in advance through the arranged second wireless positioning module, and the obtained start-stop range of the coordinate position is stored in the system in advance. The pre-stored start-stop range of the coordinate position comprises the start-stop range of the coordinate position of the optimal area and the start-stop range of the coordinate position of the common area.
In the acquisition module 11, the position information of the visitor is acquired.
In this embodiment, the visitor carries the portable device with him; the portable device comprises an RFID module and a first wireless positioning module.
It should be noted that the portable device is taken by the visitor at the entrance of the venue, and when the visitor leaves the venue after visiting, the portable device is returned to the exit of the venue.
The RFID module is used for reading the RFID module in the portable device of the visitor by the RFID reading head arranged at the entrance when the visitor arrives at the entrance of a certain exhibition area, verifying the identity information of the visitor, opening the entrance guard if the verification is passed, acquiring and recording the identity information of the current visitor, and enabling the current visitor to enter the exhibition area; when the visitors arrive at the exit of the exhibition area, the RFID reading head arranged at the exit reads the RFID module in the portable device of the visitors, and the entrance guard is opened to know that the visitors leave the exhibition area.
The first wireless positioning module is used for carrying out interactive communication and data processing between the second wireless positioning modules around the exhibition area and the first wireless positioning module in the portable device carried by the visitor when the visitor is in the certain exhibition area.
In this embodiment, the position information of the visitor is acquired through the second wireless positioning module. The method specifically comprises the following steps:
the second wireless positioning modules around the exhibition area send signals for acquiring position information to the first wireless positioning module, the first wireless positioning module sends response signals to the second wireless positioning module, and the second wireless positioning module receives the response signals sent by the first wireless positioning module and calculates the position information of the first wireless positioning module by using methods such as TOA, AOA and TDOA.
Wherein, TOA: the positioning is carried out by measuring the arrival time of the received signal between the second positioning module and the first positioning module and then converting the arrival time into the distance.
AOA: the method is characterized in that the arrival angle between a first positioning module and a second positioning module of a signal is measured, rays formed by taking the second positioning module as a starting point must pass through the first positioning module, and the intersection point of the two rays is the position of the first positioning module.
TDOA: the method is a method for positioning by using time difference. By measuring the time of arrival of the signal at the second positioning module, the distance of the signal source can be determined. The signal location can be determined by the distance from the signal source to each of the second positioning modules.
In the judging module 12, the visiting area where the visitor is located is judged according to the acquired position information.
In the present embodiment, the visiting area includes an optimal area and a normal area.
After the position information of the current visitor is obtained, the position information is compared with the starting and stopping range of the coordinate position of the prestored visiting area, and whether the position of the current visitor is the best area or the common area can be obtained.
The storage module 13 stores the information of the visiting area where the visitor is located, which is obtained by the judgment.
In this embodiment, the specific visiting area where the visitor is determined to be located is saved, and whether the specific visiting area is in the best area or the normal area is stored.
The wireless positioning module is arranged around the field coverage area of each exhibition area, and the wireless positioning module is in interactive communication with the portable device carried by the visitor, so that the visitor can be positioned more accurately.
Correspondingly, the embodiment further provides a personnel monitoring method based on wireless positioning, as shown in fig. 2, including the steps of:
s11, acquiring position information of visitors;
s12, judging a visiting area where the visiting person is located according to the acquired position information;
and S13, storing the information of the visiting area where the visitor is located, which is obtained by judgment.
In this embodiment, step S11 is preceded by the step of:
and S10, pre-storing the coordinate position of the visiting area.
In this embodiment, the visitor carries the portable device; the portable device comprises an RFID module and a first wireless positioning module.
In this embodiment, a second wireless positioning module is arranged around the visiting area; a second wireless location module is in interactive communication with the first wireless location module.
The wireless positioning module is arranged around the field coverage area of each exhibition area, and the wireless positioning module is in interactive communication with the portable device carried by the visitor, so that the visitor can be positioned more accurately.
Example two
The difference between the personnel monitoring system based on wireless positioning provided by the embodiment and the embodiment one is that:
the pre-storage module of the embodiment further stores the maximum total number of people that can be accommodated in the current exhibition area (i.e. the visiting area), the maximum number of people that can be accommodated in the optimal area, and the maximum number of people that can be accommodated in the general area in advance.
The maximum number of people is obtained by dividing the floor area, the optimal area and the common area by the per-person floor area according to the floor area, the optimal area and the common area of the exhibition area and combining the per-person floor area from the viewpoint of the comfort of visiting. The maximum number of people is not limited in the embodiment, and can be set according to actual conditions.
In this embodiment, after the visitors enter the exhibition area through the entrance of the exhibition area, the number of the visitors in real time in the exhibition area is increased by a corresponding number; when the visitors leave the exhibition area through the exit of the exhibition area, the number of the visitors in the exhibition area is reduced by the corresponding number. For example, if 1 visitor enters the exhibition area through the entrance of the exhibition area, the number of the current visitors in the exhibition area is increased by 1; 1 visitor leaves the exhibition area through the export in exhibition area, and the current real-time number of people in the exhibition area reduces 1.
In this embodiment, the system further comprises a second judging module, which is used for judging whether the number of people in the current exhibition area is smaller than the maximum total number of people that can be accommodated in the current exhibition area in real time, if not, closing an entrance guard of the exhibition area, forbidding people to enter, and giving a corresponding prompt; the prompting mode includes a voice mode, a display screen display mode and the like, and the prompting mode is not limited in this embodiment. If so, opening the entrance guard of the exhibition area entrance to allow visitors to enter the current exhibition area.
This embodiment is described in detail with a visitor i:
when the visitors i are positioned at the entrance of the exhibition area, the system judges whether the number of people in the current exhibition area is smaller than the maximum total number of people which can be accommodated in the current exhibition area in real time, if not, the entrance guard of the exhibition area entrance is closed, the visitors i are forbidden to enter, and corresponding prompts are given; and if the current exhibition area is the exhibition area, allowing the visitor i to enter the current exhibition area, reading an RFID module in a portable device of the visitor i by an RFID reading head arranged at an entrance of the current exhibition area, verifying the identity information of the visitor i, opening the access control if the verification is passed, recording the identity information of the current visitor i, and allowing the current visitor i to enter the exhibition area.
In this embodiment, the second wireless positioning module also positions people except the visiting person i, and obtains the number of people in the current best area of the exhibition area and the number of people in the current ordinary area of the exhibition area.
After the visitor i enters the exhibition area, the second wireless positioning module acquires the position information of the visitor i to obtain the position of the exhibition area where the visitor i is located, and the position of the exhibition area where the visitor i is located is compared with the pre-stored start-stop range of the coordinate position, so that whether the position of the visitor i is the best area or the common area can be obtained.
If the visitor i is currently in the optimal area and the number of people in the optimal area is greater than or equal to the maximum number of people that can be accommodated in the optimal area (indicating that the number of people in the optimal area is full, but the visitor i still intrudes into the optimal area), the count value of the first counter of the optimal area in which the visitor i is located is recorded.
If the visitor i is currently in the optimal area and the number of people in the optimal area is smaller than the maximum number of people that can be accommodated in the optimal area (indicating that the number of people in the optimal area is not full and the visitor i enters the optimal area), the count value of the second counter of the optimal area in which the visitor i is located is recorded.
If the visitor i is currently in the common area and the number of people in the current optimal area is greater than or equal to the maximum number of people that can be accommodated in the optimal area (indicating that the number of people in the current optimal area is full and the visitor i does not crowd into the optimal area), the counting value of the third counter of the visitor i in the common area is recorded.
If the visitor i is currently in the ordinary area and the number of people in the current optimal area is less than the maximum number of people that can be accommodated in the optimal area (indicating that the number of people in the current optimal area is not full, but the visitor i does not enter the optimal area), the count value of the fourth counter in which the visitor i is in the ordinary area is recorded.
It should be noted that the first counter, the second counter, the third counter, and the fourth counter are used to collect the number of times that the current visitor i stays in the current area.
For example, the following concrete steps are:
in this embodiment, the method further includes:
and the presetting module is used for presetting a sampling period.
In this embodiment, the total operation time of the system is set to be a (i.e., the total sampling time is a), the preset sampling period is set to be B, and at this time, the total sampling frequency of the system is a/B.
In this embodiment, the sampling times of the system are recorded by the count values collected by the first counter, the second counter, the third counter and the fourth counter.
If the visitor i is currently in the optimal area and the number of people in the optimal area is larger than or equal to the maximum number of people capable of being accommodated in the optimal area, if the count value of the first counter is increased by a, the number of times that the visitor i is in the optimal area is collected is a times.
If the visitor i is currently in the optimal area and the number of people in the current optimal area is less than the maximum number of people that can be accommodated in the optimal area, if the count value of the second counter is increased by b, the number of times that the visitor i is in the optimal area is collected is b times.
If the visitor i is currently in the common area and the number of people in the current optimal area is larger than or equal to the maximum number of people capable of being accommodated in the optimal area, if the count value of the third counter is increased by c, the number of times that the visitor i is in the common area is acquired is c.
If the visitor i is currently in the common area and the number of people in the current optimal area is less than the maximum number of people that can be accommodated in the optimal area, if the count value of the fourth counter is increased by d, the number of times that the visitor i is in the common area is acquired is d.
The count value collected by the counter satisfies a + B + c + d as a/B.
In this embodiment, the interest level of the visitor in the current exhibition area is, in order from high to low, the count value of the first counter in the optimal area, the count value of the second counter in the optimal area, the count value of the third counter in the normal area, and the count value of the fourth counter in the normal area.
When the visitor i arrives at the exit of the current exhibition area, the RFID reading head arranged at the exit reads the RFID module in the portable device of the visitor, and the entrance guard is opened to know that the visitor i leaves the exhibition area.
In this embodiment, by obtaining the position information of the visitor, it can be known whether the current visitor is in the best area or the common area, and the interest level of the current visitor in the current exhibition area can be obtained through the recorded times.
In the embodiment, the wireless positioning modules are arranged around the field coverage area of each exhibition area and are in interactive communication with the portable devices carried by the visitors, so that the visitors can be positioned more accurately; and the visiting area where the visitor is located is judged according to the position information of the visitor, so that the interest degree of the visitor in the current exhibition area can be obtained.
EXAMPLE III
The difference between the personnel monitoring system based on wireless positioning provided by the embodiment and the second embodiment is that:
the embodiment can evaluate the interest degree of the visitors in visiting the current exhibition area.
In this embodiment, the system obtains the specified number of times that the visitor i visits, and obtains the count value a of the first counter that visits the same exhibition area (such as an aerospace exhibition area) before the current visitiCount value B of the second counteriAnd count value C of the third counteriAnd the count value D of the fourth counteriThe history data of (a). Wherein the data of the jth visit of the history is the count value A of the first counterijCount value B of the second counterijAnd count value C of the third counterijAnd the count value D of the fourth counterijAnd calculating a coefficient corresponding to the counter value of the area where the history is located:
Figure BDA0002138288970000091
Figure BDA0002138288970000092
Figure BDA0002138288970000093
Figure BDA0002138288970000094
wherein j represents the jth visit; w1jA first coefficient representing a jth visit; w2jA second coefficient representing a jth visit; w3jA third coefficient representing a jth visit; w4jA fourth coefficient representing a jth visit.
In this embodiment, the average value of the coefficients corresponding to the counter count values of the regions where the histories are located is calculated:
Figure BDA0002138288970000095
Figure BDA0002138288970000096
Figure BDA0002138288970000097
Figure BDA0002138288970000098
wherein N represents the total number of historical viewings; w1avgRepresents that the N times of visit coefficient is W1jAverage value of (d); w2avgRepresents that the N times of visit coefficient is W2jAverage value of (d); w3avgRepresents that the N times of visit coefficient is W3jAverage value of (d); w4avgRepresents that the N times of visit coefficient is W4jAverage value of (a).
It should be noted that, after the visitors i visit the same exhibition area (such as an aerospace exhibition area) once, the data are refreshed correspondingly.
If the count value A of the first counter of the current visitor i in the optimal area is obtainediCount value B of second counter in optimal regioniCount value C of the third counter of the normal regioniCount value D of the fourth counter of the normal areaiWeighting the average value of the coefficients corresponding to the counter information of the area where the history is located to A of the current visitor ii、Bi、Ci、DiIn the above, the interest of the visitor i in currently visiting the same exhibition area (such as an aerospace exhibition area) is obtained:
Figure BDA0002138288970000101
where W represents the interest level of the current object of interest.
The method obtains the interest degree of the current visit of the exhibition area through the combination of historical visit data and current visit data; from the entrance of the visitors into the exhibition area to the exit of the visitors from the exhibition area, on one hand, the movement tracks of the visitors are recorded through positioning, and on the other hand, the interest degrees of the visitors in the exhibition areas are synchronously calculated; at the same time, it is possible to determine which display areas are popular and which are not popular, thereby improving the relevant display task.
The specific embodiments described herein are merely illustrative of the spirit of the invention. Various modifications or additions may be made to the described embodiments or alternatives may be employed by those skilled in the art without departing from the spirit or ambit of the invention as defined in the appended claims.

Claims (3)

1. A personnel monitoring system based on wireless location, comprising:
the acquisition module is used for acquiring the position information of the visitor;
the judging module is used for judging the visiting area where the visitor is located according to the acquired position information;
the storage module is used for storing the information of the visiting area where the visitor is located, which is obtained by judgment;
the visitors carry the portable devices; the portable device comprises an RFID module and a first wireless positioning module;
the visiting area is provided with a second wireless positioning module; the second wireless positioning module is in interactive communication with the first wireless positioning module;
the visiting area comprises an optimal area and a common area;
further comprising: the pre-storage module is used for pre-storing the coordinate position of the visit area;
the pre-storage module also comprises a pre-storage module for pre-storing the maximum number of people that can be accommodated in the optimal area and the maximum number of people that can be accommodated in the common area;
the judging module is specifically as follows:
when the visitors enter the visiting area, the second wireless positioning module acquires the position information of the visitors to obtain the positions of the visiting area where the visitors are located, and compares the starting and stopping ranges of the positions of the visiting area where the visitors are located with the prestored coordinate positions to obtain whether the positions of the visitors are the optimal area or the common area;
if the visitors are currently in the optimal area and the number of the visitors in the optimal area is greater than or equal to the maximum number of the visitors capable of being accommodated in the optimal area, recording the count value of a first counter of the visitors in the optimal area;
if the visitors are currently in the optimal area and the number of people in the optimal area is smaller than the maximum number of people capable of being accommodated in the optimal area, recording the count value of a second counter of which the visitors are in the optimal area;
if the visitors are currently in the common area and the number of people in the current optimal area is more than or equal to the maximum number of people capable of being accommodated in the optimal area, recording the count value of a third counter of which the visitors are in the common area;
if the visitors are currently in the common area and the number of people in the current optimal area is less than the maximum number of people capable of being accommodated in the optimal area, recording the count value of a fourth counter of the visitors in the common area;
according to the obtained count value of the first counter, the count value of the second counter, the count value of the third counter and the count value of the fourth counter, calculating to obtain the interest degree of the visitors currently visiting the same exhibition area, wherein the interest degree is expressed as:
Figure 506237DEST_PATH_IMAGE002
wherein A is i Represents a count value of the first counter; b is i Represents a count value of the first counter; c i Represents a count value of the first counter; d i Represents a count value of the first counter;Wrepresenting the interest degree of the current visit object;
Figure 531700DEST_PATH_IMAGE004
Figure 249120DEST_PATH_IMAGE006
Figure 316433DEST_PATH_IMAGE008
Figure 567024DEST_PATH_IMAGE010
Figure 123907DEST_PATH_IMAGE012
Figure 328623DEST_PATH_IMAGE014
Figure 199627DEST_PATH_IMAGE016
Figure 976828DEST_PATH_IMAGE018
wherein,jto show visitjSecondly;W j1is shown asjA first coefficient of sub-visits;W j2is shown asjA second coefficient of sub-visits;W j3is shown asjA third coefficient of sub-visits;W j4is shown asjA fourth coefficient of sub-visits;Nrepresenting the total number of historical viewings;W avg1to representNThe sub-observation coefficient isW j1Average value of (d);W avg2to representNThe sub-observation coefficient isW j2Average value of (d);W avg3to representNThe sub-observation coefficient isW j3Average value of (d);W avg4to representNThe sub-observation coefficient isW j4Average value of (d); a. the ij Represents historyjThe count value of the first counter in the data of the secondary visit; b is ij Represents historyjThe count value of the second counter in the data of the secondary visit; c ij Represents historyjA count value of a third counter in the data of the secondary visit; d ij Represents historyjThe count value of the fourth counter in the data of the sub-visit.
2. The wireless location based personnel monitoring system of claim 1, further comprising:
and the identification module is used for identifying the RFID module and acquiring the identity information of the visitor.
3. A personnel monitoring method based on wireless positioning is characterized by comprising the following steps:
s1, acquiring position information of visitors;
s2, judging a visiting area where the visiting person is located according to the acquired position information;
s3, storing the information of the visiting area where the visiting person is located, which is obtained by judging; step S1 is preceded by the step of:
s0. prestoring the coordinate locations of the visiting area;
the visitors carry the portable devices; the portable device comprises an RFID module and a first wireless positioning module;
the visiting area is provided with a second wireless positioning module; the second wireless positioning module is in interactive communication with the first wireless positioning module;
the step S0 further comprises the steps of pre-storing the maximum number of people that can be accommodated in the optimal area and the maximum number of people that can be accommodated in the ordinary area;
the step S2 specifically includes:
when the visitors enter the visiting area, the second wireless positioning module acquires the position information of the visitors to obtain the positions of the visiting area where the visitors are located, and compares the starting and stopping ranges of the positions of the visiting area where the visitors are located with the prestored coordinate positions to obtain whether the positions of the visitors are the optimal area or the common area;
if the visitors are currently in the optimal area and the number of the visitors in the optimal area is greater than or equal to the maximum number of the visitors capable of being accommodated in the optimal area, recording the count value of a first counter of the visitors in the optimal area;
if the visitors are currently in the optimal area and the number of people in the optimal area is smaller than the maximum number of people capable of being accommodated in the optimal area, recording the count value of a second counter of which the visitors are in the optimal area;
if the visitors are currently in the common area and the number of people in the current optimal area is more than or equal to the maximum number of people capable of being accommodated in the optimal area, recording the count value of a third counter of which the visitors are in the common area;
if the visitors are currently in the common area and the number of people in the current optimal area is less than the maximum number of people capable of being accommodated in the optimal area, recording the count value of a fourth counter of the visitors in the common area;
according to the obtained count value of the first counter, the count value of the second counter, the count value of the third counter and the count value of the fourth counter, calculating to obtain the interest degree of the visitors currently visiting the same exhibition area, wherein the interest degree is expressed as:
Figure 907875DEST_PATH_IMAGE002
wherein A is i Represents a count value of the first counter; b is i Represents a count value of the first counter; c i Represents a count value of the first counter; d i Represents a count value of the first counter;Wrepresenting the interest degree of the current visit object;
Figure 334308DEST_PATH_IMAGE004
Figure 507539DEST_PATH_IMAGE006
Figure 765345DEST_PATH_IMAGE008
Figure 132872DEST_PATH_IMAGE010
Figure 46601DEST_PATH_IMAGE012
Figure 757943DEST_PATH_IMAGE014
Figure 339097DEST_PATH_IMAGE016
Figure 611947DEST_PATH_IMAGE018
wherein,jto show visitjSecondly;W j1is shown asjA first coefficient of sub-visits;W j2is shown asjA second coefficient of sub-visits;W j3is shown asjA third coefficient of sub-visits;W j4is shown asjA fourth coefficient of sub-visits;Nrepresenting the total number of historical viewings;W avg1to representNThe sub-observation coefficient isW j1Average value of (d);W avg2to representNThe sub-observation coefficient isW j2Average value of (d);W avg3to representNThe sub-observation coefficient isW j3Average value of (d);W avg4to representNThe sub-observation coefficient isW j4Average value of (d); a. the ij Represents historyjThe count value of the first counter in the data of the secondary visit; b is ij Represents historyjThe count value of the second counter in the data of the secondary visit; c ij Represents historyjA count value of a third counter in the data of the secondary visit; d ij Represents historyjCounting of a fourth counter in the sub-visit dataNumerical values.
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