JP2018088171A - Abnormality detection system, abnormality detection device, abnormality detection program, and abnormality detection method - Google Patents

Abstract

PROBLEM TO BE SOLVED: To efficiently detect a transmitter experiencing abnormalities.SOLUTION: An abnormality detection system has a receiver moving in an area where a plurality of transmitters are installed, and a management device for receiving information regarding the plurality of transmitters from the receiver. The receiver transmits sequence information indicating the order in which signals are received from the plurality of transmitters to the management device. The management device determines the transmitter experiencing abnormalities among the plurality of transmitters based on the result of comparison between the received sequence information and sequence information received from the receiver before receiving the sequence information.SELECTED DRAWING: Figure 1

Description

  The present invention relates to an abnormality detection system, an abnormality detection device, an abnormality detection program, and an abnormality detection method.

  There is a business that patrols the facility along a predetermined route for the purpose of security. GPS (Global Positioning System) cannot be used in indoor facilities, and multiple beacon transmitters (location tags) placed in the facility were used to grasp the location and health of workers who are traveling. Management may be performed. A beacon receiver (location badge) carried by a worker receives a beacon signal, grasps its own position from an identifier included in the beacon signal, and transmits position information and other worker information to the center. Thus, various types of management are performed.

  Many beacon transmitters are driven by a battery, and some have a mechanism for turning on an indicator when the remaining battery level is low. In addition, there is a technique that adds information on the remaining battery level to a signal transmitted from a transmitter (see Patent Documents 1 and 2, etc.).

JP 2013-038539 A JP 2012-039566 A

  In the form of notifying with an indicator when the remaining battery level is low as described above, the person in charge must check the indicator of each transmitter as needed, and work different from the original patrol work occurs And complicated.

  In addition, in the form of adding information on the remaining battery level to the signal transmitted from the transmitter, each transmitter requires means for checking the voltage of the battery and means for calculating and transmitting the remaining battery level from the voltage information. As a result, the transmitter becomes complicated. There is also a problem that power is consumed for these processes, and the remaining battery level is further reduced.

  Therefore, an object of one aspect is to efficiently detect a transmitter in which an abnormality has occurred.

  In one embodiment, the abnormality detection system includes: a receiver that moves in an area where a plurality of transmitters are installed; and a management device that receives information about the plurality of transmitters from the receiver. The machine transmits order information indicating the order in which signals are received from the plurality of transmitters to the management apparatus, and the management apparatus receives the received order information and the receiver before receiving the order information. Based on the comparison result with the ordered information, the transmitter having an abnormality among the plurality of transmitters is identified.

  It is possible to efficiently detect a transmitter in which an abnormality has occurred.

It is a figure which shows the structural example of the system concerning one Embodiment. It is a figure which shows the structural example of a transmitter. It is a figure which shows the structural example of a receiver. It is a figure which shows the structural example of a gateway. It is a figure which shows the function structural example of a management server. It is FIG. (1) which shows the example of patrol. It is FIG. (1) which shows the example of the reception data in a receiver and a management server. It is FIG. (2) which shows the example of patrol. It is FIG. (2) which shows the example of the received data in a receiver and a management server. It is a flowchart (the 1) which shows the example of a process of a management server. It is a flowchart (the 2) which shows the example of a process of a management server. It is a flowchart (the 3) which shows the process example of a management server. It is a flowchart (the 4) which shows the process example of a management server.

  Hereinafter, preferred embodiments of the present invention will be described.

<Configuration>
FIG. 1 is a diagram illustrating a configuration example of a system according to an embodiment. In FIG. 1, a plurality of transmitters (location tags) 1A, 1B, 1C,... Are installed in a predetermined area, and each transmitter 1 (1A, 1B, 1C,...) A signal including a transmitter ID for identifying the machine 1 is transmitted by radio waves or the like.

  The receiver (location badge) 2 is a device possessed by a worker who circulates in the area, receives a signal transmitted from the transmitter 1 when entering the vicinity of the transmitter 1, and periodically or sequentially. In addition, predetermined information is transmitted to the management server 5 via the network 4. Transmission of information from the receiver 2 to the management server 5 is performed via a gateway (smartphone or the like) 3 possessed by an operator when the receiver 2 does not have a network connection function. Can be done directly.

  FIG. 2 is a diagram illustrating a configuration example of the transmitter 1. FIG. 2A shows a functional configuration example of the transmitter 1, and includes a setting unit 11 and a beacon transmission unit 13. The setting unit 11 has a function of setting setting data 12 such as a transmitter ID for uniquely identifying the transmitter 1. The setting data 12 is held in a storage unit on hardware. The beacon transmission unit 13 has a function of transmitting (transmitting) a beacon signal including a transmitter ID based on the setting data 12 in accordance with a standard such as BLE (Bluetooth Low Energy).

  FIG. 2B shows a hardware configuration example of the transmitter 1. In FIG. 2B, the transmitter 1 includes a CPU (Central Processing Unit) 101, a ROM (Read Only Memory) 102, a RAM (Random Access Memory) 103, an SSD (Solid State) connected to each other via a bus 100. Drive) 104. The transmitter 1 includes an operation button 105, a display / speaker 106, and a wireless I / F (Interface) 107. Further, the transmitter 1 includes a battery 108 that supplies power to each unit.

  The CPU 101 performs overall control of the operation of the transmitter 1 by executing a program stored in the ROM 102 or the SSD 104 or the like using the RAM 103 as a work area. The transmitter 1 transmits a beacon signal by the wireless I / F 107.

  FIG. 3 is a diagram illustrating a configuration example of the receiver 2. FIG. 3A shows a functional configuration example of the receiver 2, which includes a setting unit 21, a beacon receiving unit 23, a data transmitting unit 25, and an abnormality determination / output unit 26. The setting unit 21 has a function of setting setting data 22 such as a receiver ID. The setting data 22 is held in a storage unit on hardware. The beacon receiving unit 23 has a function of receiving a beacon signal and internally holding reception data 24 including a reception date and a transmitter ID. The reception data 24 is held in a storage unit on hardware.

  The data transmission unit 25 has a function of transmitting the reception data 24 with the receiver ID of the setting data 22 to the gateway 3 or the management server 5 in a batch or sequentially. Transmission to the gateway 3 is performed by Bluetooth (registered trademark) communication or the like. Direct transmission to the management server 5 is performed by Wi-Fi or the like. When the abnormality determination / output unit 26 determines the abnormality of the transmitter 1 on the receiver 2 side instead of the management server 5 side, the abnormality determination / output unit 26 determines the abnormality of the transmitter 1 based on the received data 24 and outputs the determination result. It has a function to do.

  FIG. 3B shows a hardware configuration example of the receiver 2. 3B, the receiver 2 includes a CPU 201, a ROM 202, a RAM 203, an SSD 204, operation buttons 205, a display / speaker 206, and a wireless I / F 207 that are connected to each other via a bus 200. The CPU 201 performs overall control of the operation of the receiver 2 by executing a program stored in the ROM 202 or the SSD 204 or the like using the RAM 203 as a work area. The receiver 2 receives a beacon signal transmitted from the transmitter 1 through the wireless I / F 207 and transmits received data or the like to the gateway 3 or the management server 5.

  FIG. 4 is a diagram illustrating a configuration example of the gateway 3. FIG. 4A shows a functional configuration example of the gateway 3, and includes a data receiving unit 31 and a data transmitting unit 33. The data receiving unit 31 has a function of receiving data from the receiver 2 and internally holding received data 32 including a receiver ID, a reception date and time, and a transmitter ID. The reception data 32 is held in a storage unit on hardware. The data transmission unit 33 has a function of transmitting the reception data 32 to the management server 5.

  FIG. 4B shows a hardware configuration example of the gateway 3. 4B, the gateway 3 includes a CPU 301, a ROM 302, a RAM 303, an SSD 304, an operation button 305, a display / speaker 306, and a wireless I / F 307 that are connected to each other via a bus 300. The CPU 301 performs overall control of the operation of the gateway 3 by executing a program stored in the ROM 302 or the SSD 304 or the like using the RAM 303 as a work area. The gateway 3 receives data from the receiver 2 through the wireless I / F 307 and transmits the received data to the management server 5.

  FIG. 5 is a diagram illustrating a functional configuration example of the management server 5. FIG. 5A shows a functional configuration example of the management server 5, and includes a data reception unit 51 and an abnormality determination / output unit (abnormality detection program) 53. The data receiving unit 51 has a function of receiving data from the receiver 2 or the gateway 3 and internally holding received data 52 including a receiver ID, a reception date and a transmitter ID. The reception data 52 is held in a storage unit on hardware. The abnormality determination / output unit 53 has a function of determining an abnormality of the transmitter 1 based on the received data 52 and outputting a determination result. The abnormality determination / output unit 53 can inform the system administrator of the transmitter in which an abnormality has occurred by displaying information on the transmitter on the display of the transmitter in which an abnormality has been detected.

  FIG. 5B shows a hardware configuration example of the management server 5. 5B, the management server 5 includes a CPU 501, a ROM 502, a RAM 503, an SSD / HDD (Hard Disk Drive) 504, a keyboard / mouse 505, a display / speaker 506, and a wireless I / F that are connected to each other via a bus 500. / F507 is provided. The CPU 501 comprehensively controls the operation of the management server 5 by executing a program stored in the ROM 502 or the SSD / HDD 504 or the like using the RAM 503 as a work area. The management server 5 receives data from the receiver 2 or the gateway 3 through the wireless I / F 507.

<Judgment by management server, batch transmission / reception of data>
FIG. 6 is a diagram showing an example of patrol. Transmitters 1A, 1B, and 1C are arranged along the patrol route, and the transmitters 1A, 1B, and 1C are not depleted of batteries and the like as shown by a broken line. It is assumed that a beacon signal can be received by the receiver 2 in a range (for example, a range having a radius of about 10 m).

  In FIG. 6, when the receiver 2 possessed by a patrol guard or the like passes the vicinity of the transmitter 1A → the vicinity of the transmitter 1B → the vicinity of the transmitter 1C along the circulation route, the received data 24 of the receiver 2 is received. Is as shown in FIG. That is, the date and time when the beacon signal is received from the three transmitters 1A, 1B, and 1C and the transmitter ID are held in order. Further, when data is transmitted from the receiver 2 to the management server 5 at a time after the patrol, the received data 52 of the management server 5 is as shown in FIG. 7B and is received by the received data 24 of the receiver 2. The machine ID “123” is added.

  Thereafter, it is assumed that patrol is performed along the same patrol route. Here, as shown in FIG. 8, it is assumed that the transmitter 1B cannot transmit a beacon signal due to battery exhaustion or the like.

  In FIG. 8, when the receiver 2 possessed by a patrol guard or the like passes the vicinity of the transmitter 1A → the vicinity of the transmitter 1B → the transmitter 1C along the tour route, the received data 24 of the receiver 2 is shown in FIG. 9 (a). That is, the reception from the transmitter 1A is normally performed and recorded, but the subsequent reception from the transmitter 1B is not performed and is not recorded. Further, subsequent reception from the transmitter 1C is normally performed and recorded. In addition, when data is transmitted from the receiver 2 to the management server 5 in a lump after patrol, the received data 52 of the management server 5 is as shown in FIG. 9B, and data from other receivers 2 is also included. It will be added.

  Hereinafter, an example of abnormality detection processing in the management server 5 will be described with reference to the flowchart of FIG. As shown in FIG. 9B, this process is based on the assumption that at least the previous received data determined to be normal from the same receiver 2 is accumulated in addition to the current received data. To do.

  In FIG. 10, when the data receiving unit 51 of the management server 5 stores the received data as a part of the received data 52 in the storage unit (step S101), the abnormality determination / output unit 53 sets “0” to the variable n. (Step S102).

  Further, the abnormality determination / output unit 53 sets the number of records of the data received last time linked to the same receiver ID as the data to be determined this time to the variable m (step S103). In FIG. 9B, when the data of the receiver ID “123” in the lower two rows is targeted, the data of the same receiver ID “123” is in the upper three rows, and the variable m is set to “3”. Is done.

  Returning to FIG. 10, next, the abnormality determination / output unit 53 adds (increments) “1” to the variable n (step S104).

  Next, the abnormality determination / output unit 53 sets the transmitter ID of the nth record of the previously received data in the variable a (step S105). Moreover, the abnormality determination / output unit 53 sets the transmitter ID of the nth record of the data received this time in the variable b (step S106).

  Next, the abnormality determination / output unit 53 compares whether or not the variable a and the variable b match (step S107). If they match (Yes in step S107), it is further compared whether or not the variable m matches the variable n (step S108). If they do not match (No in step S108), the variable n is incremented (step S104). Return. When the variable m and the variable n match (Yes in step S108), the abnormality determination / output unit 53 ends the process.

  If the variable a and the variable b do not match (No in step S107), the abnormality determination / output unit 53 outputs that an abnormality has occurred in the transmitter 1 having the transmitter ID indicated by the variable a ( Step S109) and the process is terminated.

In the case of the data shown in FIG.
n = 1-> a = A, b = A-> match n = 2-> a = B, b = C-> mismatch, and the fact that an abnormality has occurred in the transmitter 1B with the transmitter ID "B" is output .

<Decision by management server, sequential transmission / reception of data>
When data is sequentially transmitted from the receiver 2 to the management server 5, the following processing is performed each time data is received. The received data 52 held in the management server 5 is the same as that shown in FIG. 9B, but the current data, for example, the data for the two lower rows is received each time. Further, it is assumed that the determined setting can be made for the previous data, for example, the data for the upper three rows.

  Hereinafter, the processing will be described with reference to the flowchart of FIG. In FIG. 11, when the data receiving unit 51 of the management server 5 stores the received data as part of the received data 52 in the storage unit (step S201), the abnormality determination / output unit 53 determines that the data received previously is not The transmitter ID of the determination start record (nth) is set in the variable a (step S202).

  Next, the abnormality determination / output unit 53 sets “determined” to the nth record of the previously received data (step S203).

  Next, the abnormality determination / output unit 53 sets the transmitter ID of the data record received this time in the variable b (step S204).

  Next, the abnormality determination / output unit 53 compares whether or not the variable a and the variable b match (step S205). If they match (Yes in step S205), the process ends.

  Also, if the variable a and the variable b do not match (No in step S205), the abnormality determination / output unit 53 outputs that an abnormality has occurred in the transmitter 1 having the transmitter ID indicated by the variable a ( Step S206), the process is terminated.

In the case of the data shown in FIG.
n = 1-> a = A, b = A-> match n = 2-> a = B, b = C-> mismatch, and the fact that an abnormality has occurred in the transmitter 1B with the transmitter ID "B" is output .

<Sequential determination by receiver>
In this case, the process is the same as in FIG. 11 except that the abnormality determination / output unit 26 of the receiver 2 performs the determination process. Since receiver 2 has only data received by itself, it is not necessary to consider matching of receiver IDs.

<Judgment by management server (allowing backtracking), batch transmission / reception of data>
Here, when a patrol guard goes back, it does not affect the determination. For example, in the example of FIG. 6 or FIG. 8, it does not pass through in the vicinity of the transmitter 1A → the vicinity of the transmitter 1B → the vicinity of the transmitter 1C, but the vicinity of the transmitter 1A → the vicinity of the transmitter 1B. → In the vicinity of the transmitter 1A → In the vicinity of the transmitter 1B → In the vicinity of the transmitter 1C.

  Hereinafter, the processing will be described with reference to the flowchart of FIG. In FIG. 12, when the data receiving unit 51 of the management server 5 stores the received data as a part of the received data 52 in the storage unit (step S301), the abnormality determination / output unit 53 sets “0” to the variable n. (Step S302).

  Moreover, the abnormality determination / output unit 53 sets the number of records of the data received last time linked to the same receiver ID as the data to be determined this time to the variable m (step S303).

  Next, the abnormality determination / output unit 53 adds (increments) “1” to the variable n (step S304).

  Next, the abnormality determination / output unit 53 sets the transmitter ID of the nth record of the previously received data in the variable a (step S305).

  Next, the abnormality determination / output unit 53 determines whether the set transmitter ID is a determined transmitter ID (step S306). If the transmitter ID has already been determined (Yes in step S306), the variable m is decremented ("1" is subtracted), and the transmitter ID of the next record after the previously received data is reset to the variable a. (Step S307), the process returns to the determination (step S306) of whether or not the determination has been made. The variable a may be set after confirming that it has not been determined.

  If it is not the determined transmitter ID (No in step S306), the abnormality determination / output unit 53 sets the transmitter ID of the nth record of the currently received data in the variable b (step S308).

  Next, the abnormality determination / output unit 53 determines whether or not the set transmitter ID is the determined transmitter ID (step S309). If the transmitter ID has already been determined (Yes in step S309), the transmitter ID of the next record of the data received this time is reset to the variable b (step S310), and whether or not the determination has been made ( The process returns to step S309). The variable b may be set after confirming that it has not been determined.

  If it is not the determined transmitter ID (No in step S309), the abnormality determination / output unit 53 compares whether the variable a matches the variable b (step S311). If they match (Yes in step S311), it is further compared whether or not the variable m and the variable n match (step S312). If they do not match (No in step S312), the variable n is incremented (step S304). Return. When the variable m and the variable n match (Yes in step S312), the abnormality determination / output unit 53 ends the process.

  Further, when the variable a and the variable b do not match (No in step S311), the abnormality determination / output unit 53 outputs that an abnormality has occurred in the transmitter 1 having the transmitter ID indicated by the variable a ( Step S313), the process is terminated.

<Judgment by management server (allowing backtracking), sequential transmission / reception of data>
Processing will be described with reference to the flowchart of FIG. In FIG. 13, when the data receiving unit 51 of the management server 5 stores the received data as a part of the received data 52 in the storage unit (step S401), the abnormality determination / output unit 53 determines that the previously received data is not yet received. The transmitter ID of the determination start record (nth) is set in the variable a (step S402).

  Next, the abnormality determination / output unit 53 sets determination to the nth record of the data received last time (step S403).

  Next, the abnormality determination / output unit 53 determines whether or not the set transmitter ID is a transmitter ID that has been determined before this time (step S404). If the transmitter ID has already been determined (Yes in step S404), the transmitter ID of the next record after the previously received data is reset to the variable a (step S405) to determine whether the determination has been made (step S405). The process returns to step S404. The variable a may be set after confirming that it has not been determined.

  If it is not the determined transmitter ID (No in step S404), the abnormality determination / output unit 53 sets the transmitter ID of the record of the data received this time in the variable b (step S406).

  Next, the abnormality determination / output unit 53 determines whether the set transmitter ID is a determined transmitter ID (step S407). If the transmitter ID has already been determined (Yes in step S407), the abnormality determination / output unit 53 ends the process.

  If the transmitter ID has not been determined (No in step S407), the abnormality determination / output unit 53 compares whether the variable a and the variable b match (step S408), and if they match (step S408). (Yes) ends the processing.

  If the variable a and the variable b do not match (No in step S408), the abnormality determination / output unit 53 outputs that an abnormality has occurred in the transmitter 1 having the transmitter ID indicated by the variable a ( Step S409), the process is terminated.

<Sequential determination by receiver (backtracking allowed)>
In this case, the process is the same as in FIG. 13 except that the abnormality determination / output unit 26 of the receiver 2 performs the determination process. Since receiver 2 has only data received by itself, it is not necessary to consider matching of receiver IDs.

<Summary>
As described above, according to the present embodiment, a transmitter having an abnormality can be detected efficiently.

  In the above, it demonstrated by preferred embodiment. While specific embodiments have been illustrated and described herein, it will be apparent that various modifications and changes may be made thereto without departing from the broad spirit and scope as defined in the claims. . That is, it should not be construed as being limited by the details of the specific examples and the accompanying drawings.

Regarding the above description, the following items are further disclosed.
(Appendix 1)
An abnormality detection system having a receiver that moves in an area where a plurality of transmitters are installed, and a management device that receives information about the plurality of transmitters from the receiver,
The receiver
Sending order information indicating the order in which signals are received from the plurality of transmitters to the management device;
The management device
Based on the comparison result between the received order information and the order information received from the receiver before the order information is received, the transmitter having an abnormality among the plurality of transmitters is identified.
An abnormality detection system characterized by that.
(Appendix 2)
The management device receives the order information including the transmitter IDs received in order of the reception date and time for each receiver ID, and the reception date and time for each receiver ID received from the receiver before receiving the order information. Based on the order information including the forward transmitter ID, sequentially compare the transmitter IDs for the same receiver, and determine that there is an abnormality in the transmitter when there is a mismatch,
The abnormality detection system according to Supplementary Note 1, wherein
(Appendix 3)
The management apparatus sequentially receives the order information including the receiver ID, the reception date and time, and the transmitter ID, and the reception date order for each receiver ID received from the receiver before receiving the order information. Based on the order information including the transmitter ID, the transmitter IDs for the same receiver are compared in time order, and when there is a mismatch, it is determined that an abnormality has occurred in the transmitter.
The abnormality detection system according to Supplementary Note 1, wherein
(Appendix 4)
For the comparison, using the transmitter ID of the next record in the order of reception date and time for the transmitter ID that has been compared,
The abnormality detection system according to appendix 2 or 3, characterized in that.
(Appendix 5)
An anomaly detection device that receives information on the plurality of transmitters from a receiver that moves in an area where a plurality of transmitters are installed,
Receiving order information indicating the order in which signals are received from the plurality of transmitters, transmitted from the receiver;
Based on the comparison result between the received order information and the order information received from the receiver before the order information is received, the transmitter having an abnormality among the plurality of transmitters is identified.
An abnormality detection device characterized by that.
(Appendix 6)
The order information including the transmitter IDs received in order of reception date and time for each receiver ID, and the transmitter IDs received in order of reception date for each receiver ID received from the receiver before receiving the order information. The transmitter IDs for the same receiver are sequentially compared based on the order information including, and when there is a mismatch, it is determined that an abnormality has occurred in the transmitter.
The anomaly detection device according to appendix 5, characterized in that:
(Appendix 7)
The order information including the receiver ID, the reception date and time, and the transmitter ID received sequentially, and the transmitter ID in the order of the reception date for each receiver ID received from the receiver before the reception of the order information. Based on the order information, the transmitter IDs for the same receiver are compared in time order, and when there is a mismatch, it is determined that an abnormality has occurred in the transmitter.
The anomaly detection device according to appendix 5, characterized in that:
(Appendix 8)
For the comparison, using the transmitter ID of the next record in the order of reception date and time for the transmitter ID that has been compared,
The abnormality detection device according to appendix 6 or 7, characterized in that.
(Appendix 9)
To an abnormality detection device that receives information related to the plurality of transmitters from a receiver that moves in an area where a plurality of transmitters are installed,
Receiving order information indicating the order in which signals are received from the plurality of transmitters, transmitted from the receiver;
Based on the comparison result between the received order information and the order information received from the receiver before the order information is received, the transmitter having an abnormality among the plurality of transmitters is identified.
An abnormality detection program characterized by causing the processing to be executed.
(Appendix 10)
The order information including the transmitter IDs received in order of reception date and time for each receiver ID, and the transmitter IDs received in order of reception date for each receiver ID received from the receiver before receiving the order information. The transmitter IDs for the same receiver are sequentially compared based on the order information including, and when there is a mismatch, it is determined that an abnormality has occurred in the transmitter.
The abnormality detection program according to appendix 9, wherein
(Appendix 11)
The order information including the receiver ID, the reception date and time, and the transmitter ID received sequentially, and the transmitter ID in the order of the reception date for each receiver ID received from the receiver before the reception of the order information. Based on the order information, the transmitter IDs for the same receiver are compared in time order, and when there is a mismatch, it is determined that an abnormality has occurred in the transmitter.
The abnormality detection program according to appendix 9, wherein
(Appendix 12)
For the comparison, using the transmitter ID of the next record in the order of reception date and time for the transmitter ID that has been compared,
The abnormality detection program according to appendix 10 or 11, characterized in that.
(Appendix 13)
An abnormality detection device that receives information related to the plurality of transmitters from a receiver that moves in an area where the plurality of transmitters is installed,
Receiving order information indicating the order in which signals are received from the plurality of transmitters, transmitted from the receiver;
Based on the comparison result between the received order information and the order information received from the receiver before the order information is received, the transmitter having an abnormality among the plurality of transmitters is identified.
The abnormality detection method characterized by performing the process to perform.
(Appendix 14)
The order information including the transmitter IDs received in order of reception date and time for each receiver ID, and the transmitter IDs received in order of reception date for each receiver ID received from the receiver before receiving the order information. The transmitter IDs for the same receiver are sequentially compared based on the order information including, and when there is a mismatch, it is determined that an abnormality has occurred in the transmitter.
The abnormality detection method according to supplementary note 13, wherein the abnormality is detected.
(Appendix 15)
The order information including the receiver ID, the reception date and time, and the transmitter ID received sequentially, and the transmitter ID in the order of the reception date for each receiver ID received from the receiver before the reception of the order information. Based on the order information, the transmitter IDs for the same receiver are compared in time order, and when there is a mismatch, it is determined that an abnormality has occurred in the transmitter.
The abnormality detection method according to supplementary note 13, wherein the abnormality is detected.
(Appendix 16)
For the comparison, using the transmitter ID of the next record in the order of reception date and time for the transmitter ID that has been compared,
The anomaly detection method according to appendix 14 or 15, characterized in that:

  The transmitter 1 is an example of a “transmitter”. The receiver 2 is an example of a “receiver”. The management server 5 is an example of a “management device”. The reception data 52 and 24 is an example of “order information”.

DESCRIPTION OF SYMBOLS 1, 1A-1C transmitter 11 Setting part 12 Setting data 13 Beacon transmission part 2 Receiver 21 Setting part 22 Setting data 23 Beacon receiving part 24 Received data 25 Data transmitting part 26 Abnormality judgment and output part 3 Gateway 31 Data receiving part 32 Received data 33 Data transmitting unit 4 Network 5 Management server 51 Data receiving unit 52 Received data 53 Abnormality judgment / output unit

Claims (7)

An abnormality detection system having a receiver that moves in an area where a plurality of transmitters are installed, and a management device that receives information about the plurality of transmitters from the receiver,
The receiver
Sending order information indicating the order in which signals are received from the plurality of transmitters to the management device;
The management device
Based on the comparison result between the received order information and the order information received from the receiver before the order information is received, the transmitter having an abnormality among the plurality of transmitters is identified.
An abnormality detection system characterized by that. The management device receives the order information including the transmitter IDs received in order of the reception date and time for each receiver ID, and the reception date and time for each receiver ID received from the receiver before receiving the order information. Based on the order information including the forward transmitter ID, sequentially compare the transmitter IDs for the same receiver, and determine that there is an abnormality in the transmitter when there is a mismatch,
The abnormality detection system according to claim 1. The management apparatus sequentially receives the order information including the receiver ID, the reception date and time, and the transmitter ID, and the reception date order for each receiver ID received from the receiver before receiving the order information. Based on the order information including the transmitter ID, the transmitter IDs for the same receiver are compared in time order, and when there is a mismatch, it is determined that an abnormality has occurred in the transmitter.
The abnormality detection system according to claim 1. For the comparison, using the transmitter ID of the next record in the order of reception date and time for the transmitter ID that has been compared,
The abnormality detection system according to claim 2 or 3, wherein An anomaly detection device that receives information on the plurality of transmitters from a receiver that moves in an area where a plurality of transmitters are installed,
Receiving order information indicating the order in which signals are received from the plurality of transmitters, transmitted from the receiver;
Based on the comparison result between the received order information and the order information received from the receiver before the order information is received, the transmitter having an abnormality among the plurality of transmitters is identified.
An abnormality detection device characterized by that. To an abnormality detection device that receives information related to the plurality of transmitters from a receiver that moves in an area where a plurality of transmitters are installed,
Receiving order information indicating the order in which signals are received from the plurality of transmitters, transmitted from the receiver;
Based on the comparison result between the received order information and the order information received from the receiver before the order information is received, the transmitter having an abnormality among the plurality of transmitters is identified.
An abnormality detection program characterized by causing the processing to be executed. An abnormality detection device that receives information related to the plurality of transmitters from a receiver that moves in an area where the plurality of transmitters is installed,
Receiving order information indicating the order in which signals are received from the plurality of transmitters, transmitted from the receiver;
Based on the comparison result between the received order information and the order information received from the receiver before the order information is received, the transmitter having an abnormality among the plurality of transmitters is identified.
The abnormality detection method characterized by performing the process to perform.

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