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WO2018123957A1 - Dispositif de rayonnement, système de positionnement, système d'alarme, système de capture de son et système d'affichage - Google Patents

Dispositif de rayonnement, système de positionnement, système d'alarme, système de capture de son et système d'affichage Download PDF

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Publication number
WO2018123957A1
WO2018123957A1 PCT/JP2017/046402 JP2017046402W WO2018123957A1 WO 2018123957 A1 WO2018123957 A1 WO 2018123957A1 JP 2017046402 W JP2017046402 W JP 2017046402W WO 2018123957 A1 WO2018123957 A1 WO 2018123957A1
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WO
WIPO (PCT)
Prior art keywords
radiation
positioning
signal
power
power supply
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Ceased
Application number
PCT/JP2017/046402
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English (en)
Japanese (ja)
Inventor
伊藤　順治
華璽 劉
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Nidec Corp
Original Assignee
Nidec Corp
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Filing date
Publication date
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Publication of WO2018123957A1 publication Critical patent/WO2018123957A1/fr
Anticipated expiration legal-status Critical
Ceased legal-status Critical Current

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Classifications

    • H—ELECTRICITY
    • H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
    • H05B—ELECTRIC HEATING; ELECTRIC LIGHT SOURCES NOT OTHERWISE PROVIDED FOR; CIRCUIT ARRANGEMENTS FOR ELECTRIC LIGHT SOURCES, IN GENERAL
    • H05B47/00—Circuit arrangements for operating light sources in general, i.e. where the type of light source is not relevant
    • H05B47/10—Controlling the light source
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01S—RADIO DIRECTION-FINDING; RADIO NAVIGATION; DETERMINING DISTANCE OR VELOCITY BY USE OF RADIO WAVES; LOCATING OR PRESENCE-DETECTING BY USE OF THE REFLECTION OR RERADIATION OF RADIO WAVES; ANALOGOUS ARRANGEMENTS USING OTHER WAVES
    • G01S13/00—Systems using the reflection or reradiation of radio waves, e.g. radar systems; Analogous systems using reflection or reradiation of waves whose nature or wavelength is irrelevant or unspecified
    • G01S13/74—Systems using reradiation of radio waves, e.g. secondary radar systems; Analogous systems
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01S—RADIO DIRECTION-FINDING; RADIO NAVIGATION; DETERMINING DISTANCE OR VELOCITY BY USE OF RADIO WAVES; LOCATING OR PRESENCE-DETECTING BY USE OF THE REFLECTION OR RERADIATION OF RADIO WAVES; ANALOGOUS ARRANGEMENTS USING OTHER WAVES
    • G01S5/00—Position-fixing by co-ordinating two or more direction or position line determinations; Position-fixing by co-ordinating two or more distance determinations
    • G01S5/02—Position-fixing by co-ordinating two or more direction or position line determinations; Position-fixing by co-ordinating two or more distance determinations using radio waves
    • G01S5/04—Position of source determined by a plurality of spaced direction-finders
    • G—PHYSICS
    • G08—SIGNALLING
    • G08B—SIGNALLING OR CALLING SYSTEMS; ORDER TELEGRAPHS; ALARM SYSTEMS
    • G08B25/00—Alarm systems in which the location of the alarm condition is signalled to a central station, e.g. fire or police telegraphic systems
    • G08B25/01—Alarm systems in which the location of the alarm condition is signalled to a central station, e.g. fire or police telegraphic systems characterised by the transmission medium
    • G08B25/04—Alarm systems in which the location of the alarm condition is signalled to a central station, e.g. fire or police telegraphic systems characterised by the transmission medium using a single signalling line, e.g. in a closed loop
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
    • H04R3/00—Circuits for transducers, loudspeakers or microphones

Definitions

  • This disclosure relates to a radiation device, a positioning system, an alarm system, a sound collection system, and a display system.
  • Japanese Unexamined Patent Application Publication No. 2016-57166 discloses a lighting apparatus used in a position positioning system.
  • the said lighting fixture is a guide sign installed in ceilings, such as an underpass and the vicinity of a ticket gate of a station, for example.
  • the luminaire not only emits illumination light but also transmits a beacon that is a signal used for positioning (for example, a signal including identification information associated with the luminaire).
  • the transmitted beacon is received by a terminal device such as a smartphone.
  • a terminal device such as a smartphone.
  • an application for positioning is executed, and the application can perform positioning of the own device using the received beacon.
  • the luminaire only transmits a beacon signal, and does not know how each terminal device uses the beacon signal. Whether or not the position information can be acquired or how to use the acquired position information depends on each terminal device.
  • GPS Global Positioning System
  • the radiating device of the present disclosure receives a power supplied from a power source and distributes the power, and radiates a wave using the power distributed from the power unit.
  • a receiving antenna device that receives a radio signal by using one radiating element and power distributed from the power supply unit, wherein the radio signal is used for positioning of the external device radiated from an external device.
  • Receiving antenna device which is a beacon signal.
  • a positioning system of the present disclosure includes the above-described radiation device, and a positioning device that receives the wireless signal received by the reception antenna device of the radiation device and outputs position information of the external device that has radiated the wireless signal. Prepare.
  • An alarm system includes the positioning system, a plurality of illumination devices arranged at a plurality of positions, a sensor that detects a moving object and outputs a detection signal, and a control device that receives the position information and the detection signal.
  • the radiation device is capable of receiving the wireless signal radiated from the external device existing within the detectable range of the sensor, and the control device is a communication that receives the position information and the detection signal.
  • a sound collection system of the present disclosure includes the positioning system described above, a microphone having a predetermined sound collection range angle, and an actuator that changes the direction of the microphone in response to a drive signal, and the positioning device includes the wireless The arrival angle of the signal is measured, and a drive signal for changing the direction of the microphone is generated so that the predetermined sound collection range angle of the microphone includes the direction of the arrival angle.
  • the display system of the present disclosure includes the positioning system, a plurality of illumination devices arranged at a plurality of positions, a scanner that acquires in advance information on the distance and position to a stationary object existing in an installed environment, Receives information on the distance and position to a stationary object, and positional information of the external device measured by the positioning system, displays the stationary object reflecting the information on the distance and the position, and the position And an image processing circuit for displaying the external device reflecting information.
  • a radiating device includes at least one radiating element that radiates a wave such as an electromagnetic wave or a sound wave, and a radio signal that is radiated from an external device such as a terminal device and is a beacon signal used for positioning of the external device. And a receiving antenna device for receiving.
  • the radiation device it is possible to realize a positioning system that receives a beacon signal from each external device and performs positioning of each external device. Since the positioning system acquires the position information of each external device, each terminal device can be actively controlled by transmitting a control signal or the like to each external device.
  • FIG. 1 is a diagram illustrating a configuration example of an application system 100 that wraps the positioning system 1.
  • FIG. 2 is a diagram illustrating an example of the positioning system 1 and the application system 100 in which the person 2 who owns the IC tag 5 and the person 2 having the smartphone 4 exist.
  • FIG. 3 is a diagram illustrating an example of the positioning system 1 and the application system 100 in which a plurality of AGVs 3 each incorporating the IC tag 5 are present.
  • FIG. 4A is an external view of the radiation device 10 which is a lighting device.
  • FIG. 4B is a front view of the radiation device 10.
  • FIG. 5 is a diagram showing a plurality of straight tube type lighting devices 41 a and 41 b and the receiving antenna device 12.
  • FIG. 5 is a diagram showing a plurality of straight tube type lighting devices 41 a and 41 b and the receiving antenna device 12.
  • FIG. 6 is a diagram illustrating an electrical configuration of the radiation device 10.
  • FIG. 7 is a diagram illustrating a configuration of an alternative A type PoE-compatible radiation device 10.
  • FIG. 8 is a diagram showing a configuration of an alternative B type PoE-compatible radiation device 10.
  • FIG. 9 is a diagram illustrating a configuration example of the radiation device 10 including the battery B.
  • FIG. 10 is a diagram illustrating a hardware configuration of the positioning device 20.
  • FIG. 11 is a diagram illustrating a hardware configuration of the control device 30.
  • FIG. 12 is a diagram illustrating an example of the alarm system 101.
  • FIG. 13A is an external view of a radiation device 10b that can output sound.
  • FIG. 13B is a front view of the radiation device 10b.
  • FIG. 13A is an external view of a radiation device 10b that can output sound.
  • FIG. 13B is a front view of the radiation device 10b.
  • FIG. 13A is an external view of a radiation device 10b that can output
  • FIG. 14 is a diagram illustrating an example of the alarm system 102 used when a disaster occurs.
  • FIG. 15A is an external view of a radiation device 10c having an antenna device 43 that can transmit and receive.
  • FIG. 15B is a front transparent view of the radiation device 10c.
  • FIG. 16 is a diagram illustrating an example of the sound collection system 103.
  • FIG. 17 is a diagram schematically illustrating an example of acquiring surrounding video (environment video) using the scanner 81.
  • FIG. 18 is a diagram illustrating a configuration example of the display system 104 having the control device 30.
  • FIG. 19 is a diagram showing an example in which the position of the traveling AGV 3 is displayed on the monitor 82 so as to be superimposed on the environmental video.
  • FIG. 1 shows a configuration example of an application system 100 including a positioning system 1.
  • the positioning system 1 and the application system 100 are typically provided indoors where it is difficult to use GPS, but may be provided outdoors.
  • the positioning system 1 has at least one radiation device 10 and a positioning device 20. It is assumed that at least one IC tag 5 exists in the environment where the positioning system 1 is installed.
  • the IC tag 5 is a transmitter that transmits a radio signal (beacon signal).
  • the IC tag 5 may be provided as one electronic device and carried by a person 2 or may be incorporated in devices such as the automatic guided vehicle 3 and the smartphone 4.
  • Identification information RFID that can uniquely identify each IC tag 5 is given in advance, and the beacon signal includes the identification information.
  • the IC tag 5 radiates a signal wave in accordance with the Bluetooth (registered trademark) Low Energy (BLE) standard. More specifically, the IC tag 5 continuously transmits a signal wave including an advertisement packet for each channel using three channels.
  • the frequency of the signal wave is, for example, a microwave band, but may be a millimeter wave band.
  • the IC tag 5 can emit a 2.4 GHz signal wave at a time interval of, for example, 10 milliseconds to 200 milliseconds, typically 100 milliseconds.
  • the frequency of the signal wave does not need to be constant as long as it can be received by the array antenna 20, and a plurality of frequencies can be hopped.
  • the IC tag 5 can only operate as a so-called “non-connectable beacon” that only broadcasts advertising packets and does not accept connection requests from the positioning device 20 or the like.
  • the IC tag 5 may be a “connectable beacon” that can accept a connection request from the positioning device 20 or the like and can transmit and receive data.
  • the IC tag 5 may be a device that operates according to other standards.
  • a radiating device includes at least one radiating element and a receiving antenna device.
  • the radiating element is, for example, an LED element for illumination. However, the radiating element is not limited to the LED element. More generally, the radiating element is an element that radiates waves such as electromagnetic waves or sound waves.
  • the electromagnetic waves can be visible light, invisible light, or radio waves. In the case of radio waves, the radiating element is a transmitting antenna element.
  • the sound wave can be, for example, a voice, an alarm sound, or the like. In the case of sound waves, the radiating element is, for example, a speaker.
  • the receiving antenna device includes at least one receiving antenna element for receiving a beacon signal.
  • the positioning device 20 receives the beacon signal transmitted from the IC tag 5 using the receiving antenna device of the radiation device 10, and estimates the arrival direction of the beacon signal. Thereby, the current position of the IC tag 5 having specific identification information can be estimated.
  • the positioning device 20 outputs the position information of the IC tag 5 that has transmitted the beacon signal.
  • Application system 100 includes a control device 30.
  • the control device 30 can perform various controls for each IC tag 5 using the position information for each IC tag 5 and the identification information for each IC tag 5 output from the positioning device 20. A specific example of control will be described later.
  • the person 2 and the automatic guided vehicle 3 are mixed, but it is not essential.
  • the automatic guided vehicle is sometimes called “AGV” (Automatic (Guided Vehicle).
  • AGV Automatic (Guided Vehicle).
  • AGV Automatic guided Vehicle
  • FIG. 2 shows an example of the positioning system 1 and the application system 100 provided in a room where the person 2 who owns the IC tag 5 and the person 2 having the smartphone 4 exist.
  • the positioning system 1 is provided with a plurality of radiation devices 10, and any radiation device 10 can receive a beacon signal radiated from the IC tag 5 regardless of the position of the IC tag 5.
  • the control device 30 of the application system 100 can always perform entry management and authentication of the IC tag 5.
  • the control device 30 causes the lighting device of the radiating device 10 to blink red and / or emits an audible alarm from the speaker of the radiating device 10. Can inform the existence of a suspicious person.
  • the control device 30 can guide the person 2 to a specific position based on the position of each IC tag 5 estimated by the positioning device 20.
  • FIG. 3 shows an example of the positioning system 1 and the application system 100 in which a plurality of AGVs 3 each incorporating the IC tag 5 are present.
  • the positioning system 1 is provided with a plurality of radiation devices 10 as in the example of FIG.
  • the radiating device 10 includes a transmitting antenna element as a radiating element.
  • the position of each AGV 3 is estimated by the positioning device 20 of the positioning system 1, and the control device 30 of the application system 100 can guide each AGV 3 to a target position by transmitting a guidance command wirelessly using a transmission antenna element. it can.
  • FIG. 4A is an external view of the radiating device 10 that is a lighting device
  • FIG. 4B is a front view of the radiating device 10.
  • the radiating device 10 includes a plurality of radiating elements 11 a and 11 b, a receiving antenna device 12, and a fixing device 13.
  • the radiating elements 11a and 11b are LED elements for illumination. Note that reference numerals are given only to two radiating elements by way of example.
  • the receiving antenna device 12 has a disk-shaped housing, and a plurality of receiving antenna elements 14a, 14b, and 14c are provided inside the housing.
  • the plurality of reception antenna elements constitute a reception antenna element array 14.
  • the receiving antenna element array 14 is a two-dimensional array.
  • the positioning device 20 can estimate the position on the two-dimensional plane where the IC tag 5 exists using the phase difference of the beacon signal incident on each receiving antenna element.
  • the receiving antenna element array 14 may be a one-dimensional array.
  • the plurality of radiating elements are arranged along the circumference (circumference) of the disk-shaped housing of the receiving antenna device 12.
  • the fixing device 13 is a fixture that fixes the radiation device 10 to a lighting bracket, a ceiling, a beam, a column, or a wall.
  • the shape of the fixing device 13 shown in the figure is an example, and those skilled in the art can change the shape as appropriate.
  • FIGS. 4A and 4B show a radiation device 10 a having a shape different from that of the radiation device 10.
  • the radiating device 10a may include a plurality of straight tube type lighting devices 41a and 41b. Each lighting device may have at least one lighting element. Each lighting device may be a fluorescent lamp, for example, or may be a plurality of arranged LED elements.
  • the receiving antenna device 12 is disposed between the lighting devices 41a and 41b.
  • FIG. 6 shows an electrical configuration of the radiation device 10.
  • the radiating device 10 secures power necessary for operation using the power line PL and communicates with the positioning device 20 using the power line PL. That is, the radiating device 10 performs power line communication (PLC: “Power Line Communication”).
  • PLC Power Line Communication
  • the radiation device 10 includes an outlet plug S1, a receiving antenna device 12, an illumination power circuit 16, a power supply unit 18, and a modem 19a.
  • the outlet plug S1 of the radiation device 10 is connected to an outlet S2 connected to the power line PL.
  • a power supply unit 18 and a modem 19a are connected to the outlet plug S1.
  • the power supply unit 18 receives the power supplied from the power supply and distributes the power to the electronic components in the radiation device 10.
  • the power supply unit 18 has a transformer (not shown) that transforms the AC voltage of the power line PL into a DC voltage that can be used in the radiation device 10.
  • the power supply unit 18 distributes the power obtained by the transformation to the reception antenna device 12, the illumination power circuit 16, and the modem 19a.
  • the transformer can convert an AC voltage into a DC voltage by switching, for example, but since the configuration is well known, a specific description is omitted.
  • the receiving antenna device 12 has a receiving circuit 15.
  • the receiving circuit 15 receives a high-frequency power signal derived from electromagnetic waves incident on the plurality of receiving antenna elements 14a, 14b, and 14c, and outputs it to the modem 19a.
  • the modem 19a performs a modulation process necessary for PLC communication, and transmits the modulated signal to the positioning device 20 via the outlet plug S1, the outlet S2, and the power line PL.
  • the illumination power circuit 16 has radiation elements 11a and 11b, which are LED elements for illumination, and a lighting control circuit 17 that controls lighting of the LED elements.
  • the lighting control circuit 17 may control lighting of each LED element by a lighting switch (not shown), or may control lighting of each LED element by external control.
  • the radiation device 10 can also secure power by a so-called PoE (Power-over-Ethernet) method.
  • PoE Power-over-Ethernet
  • the power line PL is included in the LAN cable.
  • the outlet plug S1 and the outlet S2 can each be RJ-45 connectors corresponding to the PoE system.
  • FIG. 7 and 8 show examples of the configuration of the radiation device 10 corresponding to PoE.
  • FIG. 7 shows a configuration example of the alternative A system
  • FIG. 8 shows a configuration example of the alternative B system.
  • Ethernet registered trademark; the same shall apply hereinafter
  • LAN cable C has four pairs of conductors made up of two copper wires.
  • both power and data are superimposed on a pair of copper wires L1 and L2. Therefore, the power supply unit 18 and the modem 19a are connected to the copper wires L1 and L2, respectively.
  • the alternative B system shown in FIG. 8 power and data are superimposed on a pair of different conductors. Therefore, the power supply unit 18 is connected to the copper wire L3, and the modem 19a is connected to a copper wire L4 different from the copper wire L3.
  • the configurations of the receiving antenna device 12 and the illumination power circuit 16 are as described with reference to FIG. Therefore, the re-explanation is omitted.
  • the radiation device 10 may secure power from a built-in battery.
  • FIG. 9 shows a configuration example of the radiation device 10 including the battery B. Except for securing power from the battery B, the configuration of FIG. 9 is the same as the configuration of FIG.
  • the line through which power is transmitted is a category of “power supply” that supplies power to the power supply unit 18 in both cases of PLC communication and PoE.
  • the PoE hub, battery B is also a power source.
  • FIG. 10 shows a hardware configuration of the positioning device 20.
  • the positioning device 20 includes a central processing unit (CPU) 21, a memory 22, an interface (I / F) device 23, and a communication circuit 24, which are connected by an internal bus 25.
  • the CPU 21 measures the position of each IC tag 5 by processing described later, and generates position information indicating the measured position.
  • the memory 22 is a DRAM, for example, and is a work memory used in connection with the processing of the CPU 21.
  • the communication circuit 24 is a communication circuit having one or more communication connectors, for example.
  • the I / F device 23 is connected to the receiving antenna device 12 by wire. More specifically, the I / F device 23 is connected to the outputs of the plurality of receiving antenna elements 14a, 14b, 14c, etc. of the receiving antenna device 12, and the high frequency generated from the electromagnetic wave received by each antenna element. Receive electrical signals.
  • the communication circuit 24 is connected to the control device 30 via, for example, a wired communication line that performs Ethernet standard wired communication.
  • positioning process performed by the positioning device 20 for measuring the position of the IC tag 5
  • Various positioning processes for objects on a plane or in space are known.
  • the positioning device 20 measures the position of the IC tag 5 using one of these positioning processes or a combination of a plurality of positioning processes.
  • the positioning process will be exemplified.
  • the positioning device 20 measures the direction of arrival of the radio signal transmitted by the IC tag 5 and determines the position of the moving body (AOA (Angle-Of-Arrival) method).
  • AOA Angle-Of-Arrival
  • the AOA method when the signal transmitted by the IC tag 5 is received by the receiving antenna device 12, the arrival angle of the arrival radio wave is measured based on the reference direction (for example, the front direction of the receiving antenna), thereby the IC tag 5
  • the position of the IC tag 5 can be determined with high accuracy when there is no obstacle from the base station to the terminal and the line of sight is clear.
  • a phased array antenna that controls the beam direction and radiation pattern by adjusting the phase of the current flowing through each antenna element can also be used.
  • the direction of the IC tag 5 relative to the receiving antenna device 12 can be specified by the single receiving antenna device 12.
  • the position of the IC tag 5 can be determined by one receiving antenna device 12. For example, when the direction of the IC tag 5 with respect to the receiving antenna device 12 arranged on the ceiling surface at a predetermined height is specified, if the height of the IC tag 5 with respect to the floor surface is known or estimated, the IC tag It is possible to determine the position of 5. For this reason, it is also possible to position the IC tag 5 with one receiving antenna device 12.
  • the positioning device 20 receives the radio signal emitted from the IC tag 5 by the reception antenna device 12, and determines the position of the moving body from the difference in reception time at each antenna element of the reception antenna device 12 (TDOA (Time Difference Of Arrival method).
  • TDOA Time Difference Of Arrival method
  • the radiating device 10 having the receiving antenna device 12 functions as a base station and must accurately measure the reception time. It is necessary to perform accurate time synchronization between the radiation devices 10 in nanosecond units.
  • the positioning device 20 uses the fact that the position of the receiving antenna device 12 of the radiating device 10 is known and the radio wave is attenuated according to the distance, thereby receiving the radio signal received by the IC tag 5 To determine the position (RSSI (Received Signal Signal Strength Indication) method). However, since the strength of the received signal is affected by multipath, a distance attenuation model is required for each environment in which the positioning system 1 is introduced in order to calculate the distance (position).
  • RSSI Receiveived Signal Signal Strength Indication
  • the positioning device 20 captures an image (for example, QR code (registered trademark)) to which the identification information of the IC tag 5 is added with a camera, and the position of the camera, the direction in which the camera is facing, and within the captured image
  • the position of the IC tag 5 can also be determined based on the position of the IC tag 5.
  • the position measurement accuracy varies depending on the positioning process.
  • the position measurement accuracy is determined by the angular resolution of the antenna and the distance between the object to be measured, and 10 cm is realized in a general building.
  • the positioning process (c) there is a possibility that an error of several meters in a general room or about 1 m even under good conditions may occur due to a change in radio wave intensity due to interference of radio waves emitted from the IC tag.
  • the positioning error depends on the number of pixels of the image sensor, spatial resolution, and distortion caused by the lens. In addition, a relatively heavy processing such as object recognition is required.
  • the positioning process (a) described above is excellent at the present time.
  • the positioning system 1 and the application system 100 of the present disclosure may be constructed using any one of the positioning processes (b) to (d).
  • FIG. 11 shows the hardware configuration of the control device 30.
  • the control device 30 has a central processing unit (CPU) 31, a memory 32, a map information database (DB) 33, and a communication circuit 34, which are connected by an internal bus 35.
  • CPU central processing unit
  • DB map information database
  • the CPU 31 is a signal processing circuit that generates a guidance command for guiding the individual person 2 or the AGV 3 having the IC tag 5 by a process described later.
  • the CPU 31 is a computer configured by a semiconductor integrated circuit.
  • the memory 32 is a DRAM, for example, and is a work memory used in connection with the processing of the CPU 31.
  • the memory 32 stores position information of each IC tag 5 received from the positioning device 20.
  • the CPU 31 updates information in the memory 32.
  • the communication circuit 34 is, for example, a communication circuit that has one or more communication connectors and performs Ethernet standard wired communication.
  • the communication circuit 34 acquires position information indicating the position of each IC tag 5 from the positioning device 20.
  • the communication circuit 27 transmits the guidance instruction
  • the map information DB 33 holds information such as the layout of the environment in which the application system 100 is introduced, the passable area, the shortest route from one partition to another in the virtually set environment, and the detour route. ing.
  • FIG. 12 shows an example of the alarm system 101.
  • the alarm system 101 is an example of the application system 100.
  • the alarm system 101 can be installed, for example, in a research facility where only persons who are qualified to enter the room can pass.
  • a sensor 50 is further provided in the positioning system 1 and the application system 100 of FIG.
  • the sensor 50 is a so-called human sensor, and detects the location of the moving person 2 and outputs a detection signal.
  • the sensor 50 detects a moving body using, for example, infrared rays, ultrasonic waves, or visible light.
  • the detection signal is transmitted to the control device 30, and the control device 30 receives the detection signal via the communication circuit 34.
  • the radiation device 10 is installed at a position where the beacon signal radiated from the IC tag 5 existing within the detectable range of the sensor 50 can be received. Thereby, synchronizing with detection of the person 2 by the sensor 50, the radiation device 10 can receive the beacon signal from the IC tag 5 owned by the person 2 or the smartphone 4 incorporating the IC tag 5.
  • the control device 30 holds in advance in the memory 32 the identification information of the IC tag 5 that has been lent only to persons permitted to enter and pass through the environment of the alarm system 101 as a white list.
  • the communication circuit 34 of the control device 30 receives the detection signal output from the sensor 50.
  • the CPU 31 determines whether or not the position information of the IC tag 5 has been received from the positioning device 20.
  • the following processing is further executed. That is, the CPU 31 determines whether or not the identification information included in the received beacon signal exists in the white list.
  • the identification information exists in the white list, since the person is an authenticated person, no special processing is performed.
  • the CPU 31 does not receive the position information when the detection signal is received from the sensor 50, the CPU 31 has received the position information, but the position information indicates that the IC tag 5 exists within the detectable range of the sensor 50. If not, or if the identification information is not in the white list, an alarm is issued. This is because a person other than the person who has been authenticated enters the facility and passes.
  • the control device 30 causes the lighting device (LED element) of the one or more radiation devices 10 associated with the detectable range of the sensor 50 to blink.
  • “Associated” typically means being in the immediate vicinity of the sensor 50 or at a predetermined distance.
  • the CPU 31 may blink the lighting device with a predetermined color, for example, red.
  • FIG. 12 shows a radiation device 10b capable of outputting sound.
  • FIG. 13A is an external view of the radiation device 10b capable of outputting sound, and
  • FIG. 13B is a front view of the radiation device 10b.
  • the radiation device 10b has two speakers 42a and 42b. Since the receiving antenna device 12 and the fixing device 13 are the same as the radiation device 10 shown in FIGS. 4A and 4B, the description thereof is omitted. Audio signals output from the speakers 42a and 42b can be acquired by PLC or Ethernet standard communication. Alternatively, the radiation device 10b may be connected to the control device 30 via a cable that transmits an audio signal.
  • FIG. 14 shows an example of the alarm system 102 used when a disaster occurs.
  • the alarm system 102 described below may be regarded as the alarm system 101 (FIG. 12) that operates in a specific environment, or may be regarded as an independent system from the alarm system 101. In this embodiment, the former example will be described.
  • the emergency signal is an alarm signal when a known disaster prevention system (not shown) automatically detects the occurrence of a disaster, or an alarm signal issued when a person presses the disaster occurrence button.
  • the CPU 31 can recognize a predetermined signal as an emergency signal.
  • the CPU 31 determines the presence or absence of the detection signal from the sensor 50 or the presence or absence of the IC tag 5 within the detectable range of the sensor 50.
  • the CPU 31 turns on at least one illumination device associated with the guide route from the position to a predetermined evacuation position.
  • the guide route is determined in advance for each specific position or section in the facility, for example, and is stored in the map information DB 33.
  • route is also stored in map information DB33.
  • CPU31 reads the information of the path
  • FIG. 14 shows a plurality of patterns 62 of the radiating device 10 that are lit along the guidance path 60.
  • the radiating device 10b (FIGS. 13A and 13B) may be used in combination to notify by voice that the guide path 60 is indicated by the lighting device.
  • the alarm system 102 can accurately guide and evacuate a person when receiving an emergency signal.
  • the guidance route 60 may be displayed on the display of the smartphone 4.
  • a transmission antenna device for transmitting information from the control device 30 to the smartphone 4 may be provided.
  • the control device 30 can push information on the guidance route 60 to the smartphone 4.
  • the information on the guide route 60 may include information on a map on which the guide route 60 is displayed in a superimposed manner.
  • moves on the smart phone 4 may access the control apparatus 30 regularly using the communication function of the smart phone 4.
  • FIG. When information on the guidance route 60 is provided from the control device 30, the application program can acquire the information and display the evacuation route 60 on the display of the smartphone 4.
  • FIG. 15A is an external view of a radiation device 10c having an antenna device 43 that can transmit and receive
  • FIG. 15B is a front transparent view of the radiation device 10c.
  • the antenna device 43 includes a transmission antenna element array 44 in addition to the reception antenna element array 14.
  • the transmission antenna element array 44 includes a plurality of transmission antenna elements 44a, 44b, 44c and the like.
  • the control device 30 can transmit information on the guide route 60 to the smartphone 4 or the like. Thereby, the control apparatus 30 can make the display of the smart phone 4 display the present position and the guidance route 60 from the current position to the evacuation exit.
  • transmission of the information from the control apparatus 30 to the smart phone 4 using the radiation apparatus 10c is not restricted at the time of emergency evacuation. For example, you may utilize in order to display the guidance route in a facility.
  • FIG. 16 shows an example of the sound collection system 103.
  • the sound collection system 103 is an example of the application system 100.
  • the sound collection system 103 makes it possible to direct a directional microphone toward the person having the IC tag 5 and collect the sound of the person.
  • variable direction microphone system 70 is further provided in the positioning system 1 and the application system 100 of FIG.
  • the direction variable microphone system 70 includes a microphone 71 and an actuator 72.
  • the microphone 71 is a directional microphone having a predetermined sound collection range angle.
  • a microphone of about ⁇ 60 degrees with respect to the front is called a unidirectional microphone, and a microphone of about ⁇ 30 degrees is called a super unidirectional microphone.
  • the microphone 71 is a super unidirectional microphone, but a unidirectional microphone may be used.
  • Actuator 72 changes the direction of microphone 71 in response to an external drive signal.
  • FIG. 16 shows an example in which the actuator 72 changes the direction of the microphone 71 along one direction.
  • two actuators may be provided to change the direction of the microphone 71 in two directions.
  • a driving signal for driving the actuator 72 is generated by the positioning device 20 or the control device 30.
  • the positioning device 20 measures the arrival angle of the beacon signal of the IC tag 5 and generates a drive signal for changing the direction of the microphone 71 so that the sound collection range angle of the microphone includes the direction of the arrival angle. This will be described in more detail.
  • the positioning device 20 holds in advance information on the distance and direction from the variable direction microphone system 70 to each radiation device 10 (vector information A).
  • the positioning device 20 estimates the direction and distance from a certain radiation device 10 to a specific person 1b having the IC tag 5. Thereby, the vector information B from the said radiation
  • the positioning device 20 determines the driving amount of the actuator 72 based on the direction information indicated by the acquired vector information C, and generates a driving signal for driving the actuator 72 by the driving amount.
  • the actuator 72 may be driven only in the horizontal (left / right) direction or only in the vertical (up / down) direction.
  • the sound collection system 103 for example, when it is desired to record the remarks of a specific person 1b in a conference hall, if the position of the person 1b is estimated using the identification ID of the IC tag 5 owned by the person 1b, The microphone 71 can be directed in that direction.
  • the sound collection system 103 described above is an example of a system that drives a device (control target) in the direction of the IC tag 5 that emits a specific identification ID.
  • a spotlight may be driven to shine light in the direction of the IC tag 5, or an air conditioner air outlet or louver may be driven to send air in the direction of the IC tag 5. .
  • FIG. 17 schematically shows an example of acquiring surrounding images (environmental images) using the scanner 81.
  • the scanner 81 is mounted on, for example, a self-propelled vehicle 80 and moves within a predetermined range to capture an environmental image.
  • the scanner 81 obtains information on the distance and position to each stationary object existing in the traveling environment.
  • the information on the distance and position to each stationary object acquired by the scanner 81 is accumulated in the map information DB 33 of the control device 30, for example.
  • FIG. 18 shows a configuration example of the display system 104 having the control device 30.
  • a monitor 82 is connected to the control device 30.
  • the control device 30 receives and accumulates information acquired by the scanner 81, performs the following image processing, and displays a video on the monitor 82.
  • the monitor 82 is not a component of the control device 30, but the monitor 82 can be a part of the control device 30 when the control device 30 is realized by a laptop PC, for example.
  • the CPU 31 of the control device 30 receives the position information of the IC tag 5 measured by the positioning device 20 via the communication circuit 34. Furthermore, CPU31 reads the information of the distance and position to each stationary object from map information DB33. Then, the CPU 31 displays a predetermined image at the current position of the IC tag 5, and further superimposes and displays a stationary object present at the position.
  • FIG. 19 shows an example in which the position of the traveling AGV 3 is displayed on the monitor 82 while being superimposed on the environment video.
  • the positioning device 20 receives the beacon signal from the IC tag 5 of the AGV 3 every moment, estimates the position, and transmits the position information to the control device 30.
  • the CPU 31 sequentially switches and displays the environmental video as the background image while sequentially updating the position of the AGV 3 on the monitor 82. If an environmental video is acquired in advance, the administrator can visually check the current position of the AGV 3 without installing a camera permanently.
  • the CPU 31 performs image processing. However, image processing may be performed using a dedicated chip circuit that performs image processing.
  • the chip circuit that performs the above-described image processing is referred to as an image processing circuit in this specification.
  • the radiation apparatus, the positioning system, and the application system including the positioning system of the present disclosure can be widely used for estimation of the position of a moving body that moves indoors or outdoors, guidance using the position, and the like.
  • 1 positioning system 10 radiating device, 11a, 11b radiating element, 14 receiving antenna element array, 14a, 14b receiving antenna element, 15 receiving circuit, 16 lighting power circuit, 17 lighting control circuit, 19a modem, 19b, 19c communication circuit , 100 application system, 101, 102 alarm system, 103 sound collection system, 104 display system, PL power line

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  • Engineering & Computer Science (AREA)
  • Remote Sensing (AREA)
  • Physics & Mathematics (AREA)
  • Radar, Positioning & Navigation (AREA)
  • General Physics & Mathematics (AREA)
  • Business, Economics & Management (AREA)
  • Emergency Management (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Acoustics & Sound (AREA)
  • Signal Processing (AREA)
  • Radar Systems Or Details Thereof (AREA)
  • Position Fixing By Use Of Radio Waves (AREA)
  • Alarm Systems (AREA)

Abstract

L'invention concerne un système de positionnement, etc. grâce auxquels il est possible de traiter des informations de position sans s'appuyer sur des dispositifs terminaux dans des espaces intérieurs, etc., où il est difficile d'utiliser le GPS. Un dispositif de rayonnement (10) utilisé dans un système de positionnement (1) comprend une unité de source d'énergie (18) permettant de recevoir une énergie électrique fournie par une source d'alimentation et de distribuer l'énergie électrique, au moins un élément de rayonnement (11a) permettant d'utiliser l'énergie électrique distribuée par l'unité de source d'énergie (18) afin de rayonner des ondes, et un dispositif d'antenne de réception (12) permettant d'utiliser l'énergie électrique distribuée par l'unité de source d'énergie (18) afin de recevoir un signal sans fil. Le signal sans fil est un signal de balise émis à partir d'un dispositif externe (5) et utilisé dans la mesure de la position du dispositif externe (5).
PCT/JP2017/046402 2016-12-28 2017-12-25 Dispositif de rayonnement, système de positionnement, système d'alarme, système de capture de son et système d'affichage Ceased WO2018123957A1 (fr)

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JP2016255104 2016-12-28
JP2016-255104 2016-12-28

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Cited By (2)

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Publication number Priority date Publication date Assignee Title
JP2020016466A (ja) * 2018-07-23 2020-01-30 鹿島建設株式会社 位置管理システム及び位置管理方法
JPWO2021161736A1 (fr) * 2020-02-13 2021-08-19

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JPH01108599U (fr) * 1988-01-11 1989-07-21
JP2012227021A (ja) * 2011-04-20 2012-11-15 Panasonic Corp 照明用光源
JP2012249254A (ja) * 2011-05-31 2012-12-13 Nec Infrontia Corp 電話交換機、制御方法、プログラム、および電話システム
JP2012251959A (ja) * 2011-06-06 2012-12-20 Rcs:Kk 無線測位システムおよび無線測位装置
JP2013113740A (ja) * 2011-11-29 2013-06-10 Secom Co Ltd 無線機の方位検出装置
JP2016057166A (ja) * 2014-09-09 2016-04-21 パナソニックＩｐマネジメント株式会社 照明器具及び位置測位システム
JP2016072125A (ja) * 2014-09-30 2016-05-09 ローム株式会社 照明装置、それを制御する制御回路および集積回路、照明システム、ならびに照明装置を操作する方法

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JPS55112271U (fr) * 1979-02-02 1980-08-07
JPH01108599U (fr) * 1988-01-11 1989-07-21
JP2012227021A (ja) * 2011-04-20 2012-11-15 Panasonic Corp 照明用光源
JP2012249254A (ja) * 2011-05-31 2012-12-13 Nec Infrontia Corp 電話交換機、制御方法、プログラム、および電話システム
JP2012251959A (ja) * 2011-06-06 2012-12-20 Rcs:Kk 無線測位システムおよび無線測位装置
JP2013113740A (ja) * 2011-11-29 2013-06-10 Secom Co Ltd 無線機の方位検出装置
JP2016057166A (ja) * 2014-09-09 2016-04-21 パナソニックＩｐマネジメント株式会社 照明器具及び位置測位システム
JP2016072125A (ja) * 2014-09-30 2016-05-09 ローム株式会社 照明装置、それを制御する制御回路および集積回路、照明システム、ならびに照明装置を操作する方法

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* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2020016466A (ja) * 2018-07-23 2020-01-30 鹿島建設株式会社 位置管理システム及び位置管理方法
JP7072459B2 (ja) 2018-07-23 2022-05-20 鹿島建設株式会社 位置管理システム及び位置管理方法
JPWO2021161736A1 (fr) * 2020-02-13 2021-08-19
WO2021161736A1 (fr) * 2020-02-13 2021-08-19 アルプスアルパイン株式会社 Récepteur
JP7284866B2 (ja) 2020-02-13 2023-05-31 アルプスアルパイン株式会社 受信機
US12003357B2 (en) 2020-02-13 2024-06-04 Alps Alpine Co., Ltd. Receiver

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