Technical field
[0001]
The present invention is, management device, management method, a program.
BACKGROUND
[0002]
Recently, transmitter such as an IC (Integrated Circuit) tag is attached to various managed. Transmitting device transmits a signal, which contains a unique identifying ID (for the Identification) a transmitter for the signal. Reading transmitter receives outbound signals device, by detecting the ID receiving the signal, can acquire information such as the position of the managed mounted the transmitter. It is possible to manage the management target by using information such as the position.
[0003]
　By the way it is not easy to determine the mass of the transmitter each degradation. Therefore, it is desired easily determine possible system degradation of a large number of transmitters. Incidentally Patent Documents 1 to 3 have been disclosed as a related technique.
CITATION
Patent Document
[0004]
Patent Document 1: JP 2007-199938 Patent Publication
Patent Document 2: JP 2008-019046 Patent Publication
Patent Document 3: JP 2007-128505 JP
Summary of the Invention
Problems that the Invention is to Solve
[0005]
　This invention aims to provide a management device, management method, a program for solving the problems described above.
Means for Solving the Problems
[0006]
　According to a first aspect of the present invention, the management unit acquires the reception intensity of the oscillation signal in the case where a plurality of transmitters attached to each managed received at least one reader outgoing signal transmitted a receiving intensity obtaining unit that, the index value based on the plurality of reception intensities obtained in a predetermined period, based on the newly comparison between the obtained received strength results, the newly corresponding to the obtained received intensity the that originated the outgoing signal and a deterioration determination unit that determines whether one has deteriorated of the plurality of transmitters.
[0007]
　According to a second aspect of the present invention, the management method of the transmitter, the reception of the calling signal in the case where a plurality of transmitters attached to each managed received at least one reader outgoing signal transmitted the oscillation signal to get the strength, and the index value based on the plurality of reception intensities obtained in a predetermined period, based on a result of comparison between the newly acquired reception intensity, corresponding to the newly acquired reception strength one among the plurality of transmitter that originated the determines whether or not deteriorated.
[0008]
　According to a third aspect of the present invention, the program, the oscillation signal in the case where the management apparatus computer, a plurality of transmitter is attached to each managed received at least one reader outgoing signal transmitted comparison result based, the newly acquired reception intensity of the reception intensity acquisition means, the index value based on the plurality of reception intensities obtained in a predetermined period, the newly acquired reception intensity to obtain the reception intensity one of the oscillation signal among the plurality of transmitter that originated the corresponding determines deterioration determining means whether or not the degradation, to function as a.
Effect of the invention
[0009]
　According to the present invention, it is possible to easily determine the mass of the transmitter each degradation.
BRIEF DESCRIPTION OF THE DRAWINGS
[0010]
FIG. 1 is a diagram showing the relationship between the forklift and the container according to the embodiment.
FIG. 2 is a first diagram showing an example of a loading source or unloading destination according to the embodiment.
3 is a second view showing an example of a loading source or unloading destination according to the embodiment.
4 is a third diagram showing an example of a loading source or unloading destination according to the embodiment.
5 is a diagram showing a hardware configuration of a management apparatus according to the first embodiment.
6 is a functional block diagram of a management apparatus according to the first embodiment.
7 is a diagram showing a first operation example of the forklift according to the first embodiment.
8 is a diagram showing a second operation example of the forklift according to the first embodiment.
A first diagram showing a processing flow of FIG. 9 management apparatus according to the first embodiment.
Is a functional block diagram of the FIG. 10 managing device and the center apparatus according to the second embodiment.
Is a diagram showing a minimum configuration of FIG. 11 the management device.
DESCRIPTION OF THE INVENTION
[0011]
　Hereinafter, the management apparatus according to an embodiment of the present invention will be described by referring to the management method, the program drawings.
　Figure 1 is a diagram showing the relationship between the forklift 10 and the container 20.
　Forklift 10 in FIG. 1 is an example of a cargo handling machine. Container 20 is an example of a managed. Forklift 10, the management apparatus 1, the antenna 11 (reader), satellite positioning antenna 13 includes a communication antenna 14. Detailed configuration of the forklift 10 is omitted known for. IC tag 21 (transmitter) is attached to the container 20. Insertion hole for inserting the forklift 10 forks (load gripping mechanism) is provided in the container 20. IC tag 21 is attached, for example, in the vicinity of the insertion hole. When the forklift 10 is loaded with container 20, the driver plugging the fork insertion holes to advance the forklift 10. In this case, the IC tag 21 and the antenna 11 are close.
[0012]
　Satellite positioning antenna 13 is an antenna for receiving signals from a satellite. Satellite positioning antenna 13 the management device the information contained in the signal received from the satellite 1 is acquired. Management device 1 detects the position of the forklift 10 based on the information contained in the signal.
　Management device 1 communicates via the other device, such as the center apparatus 40 for managing the forklift 10 and containers 20, the communication antenna 14. Communication antenna 14 is connected by the communication cable to the management apparatus 1.
　Management apparatus 1 is an apparatus that manages the tasks for the managed such container 20. Management device 1, oscillation signal transmitted from the IC tag 21 acquires the reception intensity of the outgoing signal when received by the antenna 11. Antenna 11 may measure the reception intensity, may be measured reception intensity based on the information management apparatus 1 corresponds to the oscillation signal obtained from the antenna 11. Management device 1 determines the acquired makes a comparison between the reception intensity and the index value was, acquired IC tag 21 that originated the outgoing signal corresponding to the received strength and is based on a comparison result whether or not the deteriorated. Index value is a value based on the reception intensity of the oscillation signal by each IC tag 21 attached to a plurality of containers 20 each acquired during a predetermined period originates.
[0013]
　Figure 2 is a first diagram showing an example of a loading source or unloading location.
　Figure 2 shows a first track to be carried from or out destination managed. The first track, position tag 31 that transmits a transmission signal including the position ID (originating apparatus) is mounted. The first track is not provided covers the box-shaped in the carrier. In this case, the forklift 10 can gain from the side of the bed container 20 to the loading platform. Or, the forklift 10 may be carried out by performing an operation for loading from the side of the bed container 20 to the fork to other transport destination. Also in working the forklift 10 is removed from the work and the first track of placing a container 20 to the first track, the management device 1 can detect the reception intensity of the oscillation signal originating from the position tag 31.
[0014]
　Figure 3 is a second diagram showing an example of a loading source or unloading location.
　Figure 3 shows a second track as a loading source or unloading location. In the second track, position tag 31 that transmits a transmission signal including the position ID is attached. The second track covering box shape is provided on the loading platform. In this case, in a state where An example covers the rear door of the box shape provided in the carrier is opened, the forklift 10 can gain container 20 in the carrier from the rear of the truck in accordance with the operation of the driver. Or forklift 10 can be carried out by performing an operation for loading the truck behind the container 20 to the fork to other transport destination. Also in working the forklift 10 is removed from the work and a second track for placement of a container 20 to the second track, the management device 1 can detect the reception intensity of the oscillation signal originating from the position tag 31.
[0015]
　Figure 4 is a third diagram showing an example of a loading source or unloading location.
　Figure 4 shows a wagon comprising a loading source or unloading location. Position tag 31 that transmits a transmission signal including the position ID in wagons is attached. In this case, the forklift 10 can gain from the side of the freight container 20 to the loading platform. Or, the forklift 10 may be carried out by performing an operation for loading from the side of the freight container 20 to the fork to other transport destination. Also in working the forklift 10 is removed from the work and wagons for placing a container 20 on the wagons, the management device 1 can detect the reception intensity of the oscillation signal originating from the position tag 31.
[0016]

　FIG. 5 is a diagram showing a hardware configuration of the management apparatus 1 according to the first embodiment.
　Management device 1, as shown in Figure 5, CPU (Central Processing Unit) 101, IF (Interface) 102, a communication module 103, ROM (Read Only Memory) 104, RAM (Random Access Memory) 105, HDD (Hard Disk Drive) 106, and a configuration such as RFID (Radio Frequency for the Identification) reader 107 (reading unit). Communication module 103 transmits and receives signals via the communication antenna 14. RFID reader 107 performs reading processing of the oscillation signal based on the reception of the oscillation signal in the antenna 11. IF102, for example, is connected to the input and output device of the touch panel display or the like provided in the management apparatus 1, and inputs and outputs information to the output device.
[0017]
　6 is a functional block diagram of the management apparatus 1 according to the first embodiment.
　Management apparatus 1, the receiving intensity obtaining section 61 by executing programs stored in advance CPU101 is, degradation determining unit 62, the index value calculating section 63, a warning output unit 64, the container control unit 65, the position detection unit 66, a display unit a function of 67.
[0018]
　Receiving intensity obtaining section 61, the oscillation signal upon reception of the originating outgoing signals from the IC tag 21 (managed identification signal) or originating outgoing signals from the position tag 31 (position identification signal) by the antenna 11 to get the reception intensity. Receiving intensity obtaining section 61, the antenna 11 may obtain the maximum reception intensity among a plurality of reception intensity of the outgoing signal obtained when close to the IC tag 21 or position tag 31.
　Degradation determining unit 62 compares the acquired reception intensity and the index value. Degradation determining unit 62 determines whether or not based on the comparison result, the IC tag 21 or position tags 31 that originated the outgoing signal corresponding to the receiving intensity obtained is deteriorated. Index value is a value determined based on the reception intensity of the originating outgoing signals from a plurality of IC tags 21 and position tags 31 acquired in a predetermined period.
　Index value calculating section 63 calculates an index value serves as a reference in the deterioration determination for the IC tag 21 and the position tag 31. Specifically, the index value calculating section 63 obtains the highest reception intensity of the threshold or more reception intensity, which serves as a reference in the deterioration determination for the IC tag 21 and the position tag 31 for a predetermined period, the highest obtained calculating an index value based on the reception intensity. Alternatively, the index value calculating unit 63, among the plurality of reception intensities obtained in a predetermined period may calculate the average value of the predetermined threshold or more reception intensity as an index value.
　Warning output unit 64 outputs the warning information when the IC tag 21 or position tag 31 is determined by the degradation judgment unit 62 has deteriorated.
　Container manager 65 manages the loading and unloading of the containers 20 based on the work instruction information received from the center apparatus 40.
　Position detecting unit 66 detects the position of the forklift 10.
　Display unit 67 outputs various information to the management apparatus 1 and the connected monitor.
[0019]
　In the management apparatus 1 of the first embodiment, the receiving intensity obtaining section 61, the reception intensity of the oscillation signal in the case of receiving the different outgoing signals of a plurality of IC tags 21 and position tag 31 by the antenna 11 of one of the forklift 10 the may be obtained. In this case, the deterioration determination unit 62, an index value plurality of IC tags 21 and position tag 31 received in the past by the antenna 11 of one of the forklift 10 is based on the reception intensity of the outgoing signal originated multiple times in a predetermined time period When, comparing the newly acquired reception intensity. Degradation determining unit 62 on the basis of this comparison, newly determines whether IC tag 21 and position tags 31 that originated the outgoing signal of the received strength obtained is deteriorated. Index value calculating section 63, based on a plurality of reception intensity of the oscillation signal received by one antenna 11 may calculate the index value. A plurality of reception intensity may include a reception intensity at the time of receiving a plurality of outgoing signals IC tag 21 and the position tag 31 is sent by one antenna 11. In a predetermined period, each of the IC tags 21 and the position tag 31, the oscillation signal may be sent multiple times.
[0020]
　Figure 7 is a diagram showing a first operation example of the forklift 10.
　Figure 7 shows an example of operation when loading according to the operation of the forklift 10 is the driver, the container 20 is placed on the site, such as a container yard is carried origin forklift 10. In this case, the IC tag 21 and the antenna 11 are close. When the IC tag 21 and the antenna 11 is close, reception intensity acquisition unit 61 acquires the reception intensity of originating outgoing signals from the IC tag 21. Degradation determining unit 62, based on the obtained reception strength, determines deterioration of the IC tag 21.
[0021]
　Figure 8 is a diagram showing a second operation example of the forklift 10.
　Figure 8 is a forklift 10 in response to operation of the driver, which illustrates the operation when loading the forklift 10 in the case or carrying source placing a container 20 on the carry-out destination. In this case, the antenna 11 position tag 31 approaches. When position tag 31 and the antenna 11 is close, reception intensity acquisition unit 61 acquires the reception intensity of originating outgoing signals from the position tag 31. Degradation determining unit 62, based on the obtained reception intensity, may be determined deterioration of the position tag 31.
[0022]
　Index value calculating section 63 of the management apparatus 1 acquires the reception intensity of originating outgoing signals from a plurality of IC tags 21 and position tag 31 differ in advance a predetermined time period from the reception intensity obtaining section 61. The predetermined period of time, for example, may the like for several months from the start using the IC tag 21 manufactured. Index value calculating section 63 calculates an index value based on these obtained reception strength. Calculation of the index value based on the reception intensity of different IC tags 21 and position tag 31 transmitting signal, assuming that these IC tags 21 and position tag 31 is the same tag device of the same manufacturer it may be. Or IC tags 21 and position tags 31 are produced on the same standard, or the assumption that outgoing intensity of the oscillation signal is the same. Index value calculating section 63 calculates the average value of the reception intensity of originating outgoing signals from a plurality of IC tags 21 and position tag 31 differ in advance a predetermined time period, and stores the calculated average value as an index value . Index value calculating section 63, the highest reception strength among the threshold or more reception intensity, which serves as a reference in the deterioration determination identified for each IC tag 21 and position tags 31, respectively, the index average value of the specified reception strength it may be calculated as a value. Thus, it is possible to calculate the index value when the IC tag 21 and position tag 31 and the antenna 11 is assumed to be the most approached. Index value calculating section 63, among the plurality of reception intensities obtained in a predetermined period may calculate the average value of the predetermined threshold or more reception intensity as an index value. Index value calculating section 63, by calculating the average value from the above received intensity threshold, be excluded reception intensity of the oscillation signal transmitted from the IC tag 21 or position tag 31 has deteriorated from the calculation of the index value good. The calculated index value as improves the accuracy of the deterioration determination.
[0023]
　Figure 9 is a first diagram illustrating a processing flow of the management device 1 according to the first embodiment.
　Receiving intensity acquisition unit 61 acquires the reception intensity of the oscillation signal by the antenna 11 receives (step S901). Receiving intensity obtaining section 61 outputs the reception strength to the degradation determining unit 62. Degradation determining unit 62 reads the index value index value calculating unit 63 is calculated from the storage unit or the like. Degradation determining unit 62 compares the reception intensity and the index value (step S902). Degradation determining unit 62, when the acquired reception intensity is less than the index value, and outputs information indicating the deterioration of the IC tag 21 or position tag 31 to the alarm output unit 64. Degradation determining unit 62, when the acquired reception intensity is greater than or equal to the index value, the process ends. Warning output unit 64, if you enter the information indicating the deterioration from the deterioration determining unit 62 outputs the warning information (step S903). Warning output unit 64 may output warning information on the display unit 67, may be output a sound from a speaker or the like. Incidentally, the deterioration determining unit 62 of the management device 1 may transmit information indicating the deterioration to the center apparatus 40. Information indicating the degradation may include such degraded to have been judged ID of ID and IC tag 21 is a container 20 which is mounted in the IC tag 21. Center apparatus 40 may be outputted to the ID of the container 20 ID and the tag of the IC tag 21 is determined to be degraded is attached to the administrator. That is, the function corresponding to the alarm output section 64 may be provided to the center apparatus 40.
[0024]
　Above deterioration determining section 62, the function of the index value calculating section 63 may be provided to the center apparatus 40. Receiving intensity obtaining section 61 of the management apparatus 1, a reception intensity of the oscillation signal, ID or IC tag 21 or position tag 31 originated the outgoing signal, subjects the IC tag 21 or position tag 31 is attached it may transmit the ID of the (containers such as 20 or a truck) to the center device 40. Step S902 processes the center apparatus 40 and the step S903 may be performed in the same manner.
[0025]
　Above it has been described for the first embodiment of the present invention, according to the above process, while the forklift 10 is performing the loading operation, the management device 1 or the center device 40, IC tag 21 and the position tag 31 it is possible to determine the degradation of the signal transmission function. Management device 1 or the center device 40, it is possible to reduce the effort of the administrator performing the replacement work accompanied by degradation of the IC tag 21 and the position tag 31.
[0026]

　FIG. 10 is a functional block diagram of the management device 1 and the center apparatus 40.
　Management apparatus 1, the receiving intensity obtaining section 61, the position detection unit 66, a function of the display unit 67. Receiving intensity obtaining section 61, the position detection unit 66, display unit 67 is as described with reference to FIG.
　Further, the center apparatus 40, receiving intensity acquisition unit 41, degradation determination unit 42, the index value calculating section 43, a warning output unit 44, the container manager 45, a display unit 46.
　The respective functions of the center device 40 also performs the same processing as that described with reference to FIG. The center apparatus 40 is an embodiment of a management device.
　Managing apparatus 1 and center apparatus 40 may have the same hardware configuration as FIG.
[0027]
　In the center apparatus 40, the receiving intensity acquisition unit 41 receives the oscillation signal reception intensity of the oscillation signal in which one IC tag 21 and position tag 31 transmits or different IC tags 21 and position tags 31, will originate strength, obtained from the respective management apparatus 1 of different forklift 10 in a predetermined period. Index value calculating section 43, and stores the calculated average value of the reception intensity as an index value. Or, the index value calculating section 43 may calculate the index value an average value of reception intensities for each ID of the IC tag 21 and the position tag 31. Also, as in the first embodiment, to identify the highest reception strength and the IC tag 21 position tag 31 a predetermined time period for each of the reception intensity equal to or greater than the threshold value, which serves as a reference in the deterioration determination, and this particular average value of the reception intensity may be calculated as an index value. Further, the index value calculating section 43 may calculate the index value an average value of reception intensities for each antenna 11.
[0028]
　Degradation determining unit 42 compares the calculated index value, and a newly acquired reception intensity. Degradation determining unit 42 determines based on the comparison result, the newly acquired deterioration of IC tag 21 or position tags 31 that originated the outgoing signal reception strength. Degradation determining unit 42, when the newly acquired reception strength is lower than the index value, it is determined that the IC tag 21 and position tag 31 indicated by the ID contained in the calling signal is deteriorated. Warning output unit 44 outputs information indicating that the tag is deteriorated. Degradation determining unit 42, when the newly acquired reception strength is lower than a predetermined value than the index value, IC tag 21 or position tag 31 may be determined to be deteriorated. The predetermined value may be determined based on the index value. For example, the predetermined value, and half the value of the index value, the value may be such as obtained by multiplying a predetermined ratio to the index value. If the index value for each antenna 11 is calculated, the degradation determination unit 42 identifies the antenna 11 receiving the oscillation signal of the newly acquired reception intensity, and the index value for the antenna 11 to the identified newly acquired reception and the strength may be compared. If the index value is calculated for each ID of the IC tag 21 and the position tag 31, the deterioration determining unit 42 identifies the IC tag 21 or position tags 31 that originated the outgoing signal of the newly acquired reception intensity, and the index value for the identified tag may be compared to the acquired reception intensity. Index value and for each antenna 11, by using the index value of the IC tag 21 and the position tag every 31, taking into account individual differences of the antenna 11, IC tag 21 and the position tag 31, it is the deterioration determination of the tag.
[0029]
　Has been described for the second embodiment of the present invention above, according to the above process, while performing the cargo handling operation by the forklift 10 determines the deterioration of the signal transmission function of the IC tag 21 and the position tag 31 be able to. The center apparatus 40 can reduce the effort of the administrator performing the replacement work accompanied by degradation of the IC tag 21 and the position tag 31.
[0030]
　Figure 11 is a diagram showing a minimum configuration of the management apparatus 1.
　Management device 1, as shown in Figure 11, and at least the receiving intensity obtaining section 61 (41) and the deterioration determining section 62 (42).
[0031]
　In the foregoing description is managed container 20, although the management apparatus 1 has been described provided in the forklift 10 and the center apparatus 40, the management subject other objects (e.g. clothing, shop products present, etc.) met it may be. In this case, the management device 1 may be a device included in the portable terminal.
[0032]
　The above management device therein, and a computer system. Process of the processes described above, are stored in a computer-readable recording medium in the form of a program, by executing the program computer reads, the process is performed. The computer-readable recording medium may be a magnetic disk, a magneto-optical disk, CD-ROM, DVD-ROM, a semiconductor memory or the like. Furthermore, it delivered to a computer the computer program via a communication line, a computer which receives this delivery may execute the program.
[0033]
　Further, the program may be one for implementing part of the above functions. Furthermore, what can be achieved in combination with a program already recorded in the above-described functions in the computer system may be a so-called differential file (differential program).
[0034]
　The present application, on September 29, 2016, claiming priority based on Japanese Patent Application No. 2016-191005, filed in Japan, the contents of which are incorporated here.
Industrial Applicability
[0035]
　The present invention can be applied to applications that need to easily determine a large number of transmitter each degradation.
DESCRIPTION OF SYMBOLS
[0036]
1 ... management apparatus
10 · forklift
11 ... antenna
13 ... satellite positioning antenna
14 ... communication antenna
20 ... Container
21 ... IC tag
31 ... position tag
40 .. Center device
61,41 ... receiving intensity obtaining unit
62,42 ... degradation determining unit
63,43 ... index value calculation section
64,44 ... warning output unit
65,45 ... container manager
66 ... position detection unit
67,46 ... the display unit

The scope of the claims
[Requested item 1]
　A reception intensity acquisition unit that acquires the reception intensity of the oscillation signal in the case where a plurality of transmitters attached to each managed received at least one reader outgoing signal transmitted,
　a plurality of obtained a predetermined time period the index value based on the reception intensity, based on a result of comparison between the newly acquired reception strength, one of the newly acquired plurality of transmitter that originated the outgoing signal corresponding to the received strength is and determining degradation determining unit whether or not degraded,
　the management device comprising a.
[Requested item 2]
　The index value based on the plurality of reception intensities obtained in the predetermined period, the calculated at least every one reader,
　the degradation determining unit, said transmitter corresponding to the newly acquired reception strength and the index value for one of said received signals at least one reader, the newly based on a result of comparing the acquired received intensity, wherein the transmitter corresponding to the newly acquired reception strength determines whether one of the plurality of transmitter that originated the signal has deteriorated,
　the management apparatus according to claim 1.
[Requested item 3]
　The index value based on the plurality of reception intensities obtained in the predetermined period is calculated for each of the plurality of transmitters,
　wherein the degradation determining unit, the oscillation signal corresponding to the newly acquired reception strength and the index value for one of the plurality of transmitter that originated the, on the basis of the comparison result between the newly acquired reception strength, the oscillation signal corresponding to the newly acquired reception strength determines whether one of the call-originating plurality of transmitter is degraded,
　the management apparatus according to claim 1.
[Requested item 4]
　The deterioration determining unit determines that one of among the plurality of transmitters when the newly acquired reception intensity is less than the index value is degraded,
　to any one of claims 1 to 3 management apparatus according.
[Requested item 5]
　The highest reception intensity of the received strength of at least the threshold value as a reference for performing the deterioration determination for one out of the plurality of transmitter obtains the predetermined period, calculates said indicator value based on the highest reception strength and the index value calculation unit,
　the management device according to claim 1, further comprising a any one of claims 4.
[Requested item 6]
　Said at least one reader includes a plurality of reading devices installed in a plurality of handling machines, respectively,
　the receiving intensity obtaining unit, the plurality of reading devices during cargo handling operation with respect to the managed by the plurality of handling machines It acquires the reception intensity of the outgoing signal from
　the management apparatus according to any one of claims 1 to 5.
[Requested item 7]
　Gets the reception intensity of the oscillation signal in the case where a plurality of transmitters attached to each managed received at least one reader outgoing signal transmitted,
　based on the plurality of reception intensities obtained in a predetermined time period index and values, based on a result of comparison between the newly acquired reception strength, whether one of the newly acquired plurality of transmitter out that originates the calling signal corresponding to the received strength is degraded determine the
　management method of the originating device.
[Requested item 8]
　The computer of the management apparatus,
　reception intensity acquisition means for acquiring the reception intensity of the oscillation signal in the case where a plurality of transmitters is mounted on each managed received at least one reader outgoing signal transmitted,
　in a predetermined time period the index value based on the plurality of reception intensities obtained based on the comparison result between the newly acquired reception strength, the newly acquired plurality of transmitter that originated the outgoing signal corresponding to the received intensity degradation determiner unit configured to determine whether one has deteriorated in out,
　the program to function as a.