WO2002035492A1 - Systeme de controle d'un objet en mouvement, dispositif et procede de controle d'objets en mouvement, procede de detection de mouvement pour controler des objets en mouvement - Google Patents

Systeme de controle d'un objet en mouvement, dispositif et procede de controle d'objets en mouvement, procede de detection de mouvement pour controler des objets en mouvement Download PDF

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Publication number
WO2002035492A1
WO2002035492A1 PCT/JP2001/008948 JP0108948W WO0235492A1 WO 2002035492 A1 WO2002035492 A1 WO 2002035492A1 JP 0108948 W JP0108948 W JP 0108948W WO 0235492 A1 WO0235492 A1 WO 0235492A1
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WO
WIPO (PCT)
Prior art keywords
monitoring
mobile terminal
signal
mobile
moving object
Prior art date
Application number
PCT/JP2001/008948
Other languages
English (en)
Japanese (ja)
Other versions
WO2002035492A9 (fr
Inventor
Kenichi Matsumoto
Kenji Kitano
Hiroyuki Teramoto
Kenichi Furukawa
Ken Kamiyama
Original Assignee
Secom Co.,Ltd.
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Secom Co.,Ltd. filed Critical Secom Co.,Ltd.
Priority to JP2002538400A priority Critical patent/JP3886455B2/ja
Priority to AU2001294229A priority patent/AU2001294229A1/en
Publication of WO2002035492A1 publication Critical patent/WO2002035492A1/fr
Publication of WO2002035492A9 publication Critical patent/WO2002035492A9/fr

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Classifications

    • G—PHYSICS
    • G08—SIGNALLING
    • G08G—TRAFFIC CONTROL SYSTEMS
    • G08G1/00—Traffic control systems for road vehicles
    • G08G1/20—Monitoring the location of vehicles belonging to a group, e.g. fleet of vehicles, countable or determined number of vehicles
    • 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
    • G08B25/10—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 wireless transmission systems

Definitions

  • the present invention relates to a moving object monitoring system, a moving object monitoring device, a moving object monitoring method, and a movement judging method in the moving object monitoring.
  • the present invention relates to a mobile body monitoring system, a mobile body monitoring device, and a mobile body that allow a mobile terminal to accompany a mobile body such as a vehicle and monitor position, movement, and theft at a monitoring center based on a report from the mobile terminal.
  • the present invention relates to a monitoring method and a movement determination method in monitoring a moving object.
  • a person whose position is to be monitored may carry a portable terminal having position detection means, or a terminal device having position detection means may be installed on a moving object such as an automobile to monitor the position of the moving object.
  • Various monitoring systems have been proposed and implemented.
  • a mobile terminal has a GPS (Global Positioning System) reception function, which detects its own position and reports it to the monitoring center.
  • the monitoring center can search for and track mobiles based on location information transmitted from mobile terminals.
  • the surveillance center does not monitor all mobile units with equal importance, but if a mobile unit is presumed to be in an abnormal situation based on information from a mobile terminal, it will take special It pays attention, issues warnings, and performs search and tracking.
  • the moving object is a vehicle such as a car
  • the car moves from the position where the vehicle is parked, it is determined that the car has been stolen, and it may be determined that the car is abnormal. Noh.
  • the distance between the point indicated by the latest received latitude and longitude information and the previously received point or the reference point is calculated. Is determined.
  • the position information of the moving object includes an error due to the reception status of the positioning signal. For this reason, when determining whether or not the moving object has moved, if the presence or absence of the movement is determined from the distance between the points based on the position information obtained from the mobile terminal, the actual position of the moving object is within the error range. If it is at the end, the detection point may fluctuate due to fluctuations in the state of propagation of the positioning signal, etc., even if it has not actually moved, and it may be determined that it has moved. Also, in order to prevent this, it is conceivable to determine the movement based on the fact that the detection point has been separated by a predetermined distance or more. In this case, while erroneous determination of movement is reduced, if the error of the positioning signal is small, the movement can be originally determined in a short time, but the determination takes a long time.
  • a mobile terminal is equipped with a sensor that detects an event that occurs under abnormal conditions of a mobile object, detects the occurrence of an abnormality, and notifies the monitoring center.
  • a mobile terminal installed in a car detects vibrations that may occur when the vehicle is stolen with a sensor, and determines that the car is stolen based on the detection result. ing.
  • the terminal device determined that the terminal device was stolen, the terminal device reported to the monitoring center by wireless communication.
  • the instantaneous vibration is determined to be abnormal, an erroneous determination is likely to occur.
  • the mobile terminal determines that the mobile terminal is abnormal when the vibration has continued for a predetermined time.
  • the present invention relates to a mobile monitoring system that monitors the occurrence of an abnormal state in a mobile based on a report of position information and the like from a mobile terminal carried by the mobile, and aims to improve the usability and monitoring accuracy. With the goal. Disclosure of the invention
  • a moving object monitoring system is a moving object monitoring system that monitors the position of the moving object at the monitoring center based on a report from a portable terminal carried by the moving object to a monitoring center,
  • An operation unit for setting the start and stop of the monitoring operation by the mobile terminal; a positioning unit for acquiring position information of the mobile terminal; a monitoring set signal and a monitoring release corresponding to the start and stop of the monitoring operation, respectively.
  • a notification unit for notifying the monitoring center of the position information at the start of the monitoring operation and the position information thereafter, wherein the monitoring center is configured to perform the monitoring operation notified from the mobile terminal.
  • the mobile terminal stores the position information at the start of the monitoring, and then, based on the position information notified from the mobile terminal, performs the monitoring from the monitoring cell and the sort signal to the monitoring cancellation signal.
  • a determination unit that monitors the position of the band terminal and determines that an abnormality has occurred in the mobile object when the mobile terminal is separated from the position at the start of the monitoring operation by a predetermined distance or more.
  • the mobile object monitoring method includes a mobile terminal carried by the mobile object, a monitoring set signal according to the start of the monitoring operation, the position information of the mobile terminal at the start of the monitoring operation, and Reporting the location information of the portable terminal to a monitoring center, and determining that an abnormality has occurred when location information that is at least a predetermined distance from the location information at the start of the monitoring operation is received.
  • the monitoring center when the monitoring set signal and the current position are notified from the mobile terminal to the monitoring server, the monitoring center starts monitoring the mobile having the mobile terminal.
  • the monitoring center detects abnormal movement of the moving object based on the position at the start of the monitoring operation.
  • it is not necessary to register the movement permitted area in the monitoring center in advance, and, for example, the mobile object monitoring service can be used in a travel destination or the like.
  • the method for monitoring a mobile object includes monitoring a monitoring set signal according to the start of the monitoring operation and position information of the mobile terminal at the start of the monitoring operation from the mobile terminal carried by the mobile object. Reporting to the monitoring center; Setting a movement permitted area for the moving object based on a monitoring set signal and the position information.
  • the monitoring center when the monitoring set signal and the current position are notified to the monitoring center, the monitoring center sets the movement permitted area based on the position. Accordingly, the movement permitted area does not need to be registered in the monitoring center in advance, and is set according to the destination of the moving object. Therefore, for example, the moving object monitoring service can be used even in a travel destination.
  • the moving determination method, the moving body monitoring device, and the moving body monitoring system in the moving body monitoring according to the present invention obtain the same moving body at different times when the position information obtained by the mobile terminal includes an error. It is determined whether or not there is an overlap between a plurality of error regions corresponding to a plurality of pieces of position information, and if there is no overlap, it is output that the moving body has moved.
  • a moving object monitoring system is a moving object monitoring system that monitors the position of the moving object at the monitoring center based on a report from a portable terminal carried by the moving object to a monitoring center, A sensor unit for detecting occurrence and disappearance of a predetermined event that may occur when the mobile terminal is stolen; and transmitting an abnormal signal to the monitoring center in response to detection of the occurrence of the predetermined event, and extinguishing the predetermined event.
  • a notification unit that notifies a recovery signal to the monitoring center in response to the detection, wherein the monitoring center starts timing when receiving the abnormal signal, and ends timing when receiving the recovery signal;
  • a determination unit that determines that theft has occurred based on the fact that the time value of the time measurement unit has exceeded a predetermined delay time.
  • the monitoring center determines that a mobile object such as a vehicle is stolen.
  • Predetermined events that can occur when a mobile object is stolen include, for example, vibration of the mobile object, approach and contact of a person with the mobile object.
  • An event that may be abnormal is detected by the sensor unit, and when that event occurs, an error signal is sent from the notification unit to the monitoring center, and an abnormal state may occur. If the event disappears, a recovery signal is sent to notify the possibility that the status has returned to normal.
  • the mobile terminal does not judge whether it is abnormal or normal, that is, whether or not it has been stolen. The judgment is made by the monitoring center based on the abnormal signal / recovery signal received.
  • abnormal conditions at the time of theft include, for example, vibrations caused by running of the vehicle or removal of the moving object, contact with the vehicle for prying open the door of the vehicle or driving operation, or the moving object when removing the vehicle.
  • a grace period can be used for transient events, such as vibrations caused by the operation of a mechanical parking lot or for the approach of pedestrians, since it requires a certain amount of sustained contact with the vehicle.
  • the portable terminal further includes a holding unit for holding the report of the recovery signal, and the holding unit detects a predetermined event when the occurrence of the predetermined event is detected.
  • the holding unit detects a predetermined event when the occurrence of the predetermined event is detected.
  • the mobile terminal does not immediately report the restoration signal even if the predetermined event has disappeared, and suspends the report of the restoration signal for a predetermined period.
  • the duration of the hold state is extended.
  • the time measured until the recovery signal is received at the monitoring center increases.
  • a given event occurs repeatedly at relatively short intervals, it is often an abnormal condition.
  • the present invention even if each of the predetermined events has a duration equal to or less than the grace period, it is difficult to overlook the event, and the unreporting is suppressed. For example, when a thief tries to drive a vehicle and take it away, vibrations during driving can cause intermittent short periods of time, such as waiting for a traffic light. However, such abnormal conditions can be detected.
  • the recovery signal is not generated every predetermined event, and is generated only when the suspension state ends, whereas the abnormal signal may be generated every time a predetermined event occurs. This is because the timing at the monitoring center does not end even if an abnormal signal is repeatedly received. This is because it can be configured as follows.
  • a preferred aspect of the present invention is the mobile monitoring system, wherein the notifying unit notifies the abnormal signal at the start of the suspension state. In this embodiment, the abnormal signal is generated only when the first predetermined event that initiates the hold state occurs.
  • a mobile monitoring system is a mobile monitoring system that monitors the occurrence of theft of the mobile at the monitoring center based on a notification from a mobile terminal carried by the mobile to the monitoring center.
  • a sensor unit for detecting occurrence and disappearance of a predetermined event that may occur when a mobile object is stolen; and transmitting an abnormal signal to the monitoring center in response to the detection of the occurrence of the predetermined event.
  • a notifying unit for notifying the monitoring center of a recovery signal in response to the detection of the disappearance.
  • the monitoring center starts a holding state for a predetermined period upon receiving the abnormality signal, and the abnormality signal is received during the holding state.
  • a holding means for extending the duration of the hold state, a timer for counting the duration of the hold state, and a timer for determining that the duration exceeds a predetermined grace time.
  • a determination unit for determining that theft has occurred based on the determination.
  • the present invention is another configuration for detecting an abnormal state in which a predetermined event repeatedly occurs at relatively short intervals.
  • an abnormal signal and a recovery signal are reported from the portable terminal every time a predetermined event occurs or disappears, and the suspension is performed on the monitoring center side.
  • the timer measures the time from the start to the end of the suspended state, not the time from the abnormal signal to the recovery signal.
  • the hold means of the monitoring center extends the duration of the hold state. The hold, even recovery signal is received before its completion, the count end, and c clocking theft occurs whether the determination is pending when the pending state is ended, or the last received error signal It can end at the time when the corresponding recovery signal is received, whichever is later.
  • a preferred aspect of the present invention described above is a moving object monitoring system, wherein the sensor unit includes a vibration sensor that detects vibration as the predetermined event.
  • the mobile terminal further comprises: an operation unit for setting start and stop of a theft monitoring operation; and a positioning unit for acquiring current position information of the mobile terminal.
  • the notification unit further transmits a monitoring set signal and a monitoring release signal to the monitoring center according to start and stop of the theft monitoring operation, respectively.
  • the determination unit moves the portable terminal from the time of reporting the monitoring set signal based on the location information. The distance is obtained, and the fact that the moving distance exceeds a predetermined allowable distance is used for determining the occurrence of theft.
  • the mobile terminal detects a predetermined event such as vibration by the sensor unit, and acquires its own position information by the positioning unit.
  • the location information of the mobile terminal is reported to the monitoring center together with these signals when reporting various signals such as a monitoring set signal, abnormal signal, and recovery signal from the sensor end.
  • the monitoring center obtains the moving distance of the mobile terminal from the start of the theft monitoring operation based on the position information, and uses the moving distance to determine the occurrence of theft.
  • the determination unit can be configured so that even if the time value of the clock unit exceeds a predetermined grace time, if the movement distance is equal to or less than the allowable distance, the determination unit does not determine that the vehicle is stolen.
  • the determination unit may be configured to determine that the theft has occurred even if the time value of the timer unit is equal to or less than the grace time when the movement distance from the start of monitoring exceeds the allowable distance.
  • the moving object monitoring system is characterized in that the operation unit is configured to be separable from the portable terminal body.
  • FIG. 1 is a diagram illustrating the overall configuration of a mobile monitoring system according to the present invention.
  • FIG. 2 is a schematic block diagram of the monitoring center.
  • Figure 3 is a schematic block diagram of the portable terminal.
  • FIG. 4 is a schematic block diagram of the communication module.
  • FIG. 5 is a schematic block diagram of the set operation module.
  • FIG. 6 is a schematic block diagram of the sensor module.
  • FIG. 7 is an operation flowchart of the mobile terminal according to the first embodiment.
  • FIG. 8 is an operation flowchart of the monitoring center in the first embodiment.
  • FIG. 9 is a diagram illustrating a monitoring processing flow when a monitoring center receives a monitoring set signal from a mobile terminal according to the second embodiment.
  • FIG. 10 is a schematic diagram showing an example of a position error table for determining an error range.
  • FIG. 11 is a schematic diagram showing an interrelationship between error regions at respective point positions obtained at two different times.
  • FIG. 12 is a processing flow diagram in the communication module when shifting from the release state to the set state in the third embodiment.
  • FIG. 13 is a processing flowchart of the vibration determination processing in the third embodiment.
  • FIG. 14 is a flowchart of a transfer determination process according to the third embodiment.
  • FIG. 15 is a flowchart of a process performed by the signal output unit according to the third embodiment.
  • FIG. 16 is a processing flow diagram of the communication module in the set state in the third embodiment.
  • FIG. 17 is a flowchart of a process performed by the monitoring center in the third embodiment. ⁇ Best Mode for Carrying Out the Invention
  • a mobile monitoring system will be described in detail with reference to the drawings.
  • a mobile object is a concept that covers everything from automobiles, motorcycles, people, cash, and art, and includes everything that does not move, such as real estate.
  • the invention can be implemented in several different forms. Hereinafter, the configuration and operation of a basic system common to each embodiment will be described first, and then the details of each embodiment will be described individually.
  • FIG. 1 is a diagram illustrating the overall configuration of a mobile monitoring system according to the present invention.
  • the mobile surveillance system of the present invention detects abnormalities such as theft of a mobile object, In response to the missing mobile object, the response staff conducts actions such as searching, etc., the mobile terminal 2 possessed by or attached to the mobile object, the response terminal 4 carried by the response agent, and monitoring Center 6 is connected via network 8. Further, a base station 10 of a mobile phone and a satellite reference station 12 are connected to the network 8. In addition, a GPS (global Positioning System) satellite 14 is used by the mobile terminal 2, the coping terminal 4 and the satellite reference station 12 to acquire the positional information of the body.
  • GPS global Positioning System
  • GPS is a system that receives radio waves transmitted from multiple satellites launched into low Earth orbit and measures the latitude, longitude, and altitude of the current location. Originally developed by the United States for military purposes, some were opened to civilians and used for position calculations. With a small antenna and a small processing unit, the position can be determined with accuracy of several meters to several + meters.
  • the mobile terminal 2 and the coping terminal 4 have a GPS receiving function and a mobile phone communication function, respectively, and acquire their own position information based on signals from the satellite 14 and also communicate with the base station 10.
  • the communication can be performed by a wireless telephone line.
  • the satellite reference station 12 is fixed at a predetermined position and knows its exact position. Satellite reference stations 12 can be installed at multiple locations. The satellite reference station 12 compares the predetermined position with its own position information obtained from the GPS satellite 14 signal, generates correction information for the position information obtained from the GPS satellite 14 signal, and sends it to the monitoring center 6. provide.
  • FIG. 2 is a schematic block diagram of the monitoring center 6.
  • the monitoring center 6 communicates with the communication unit 20 that is connected to the network 8 and communicates, the control unit 22 that controls each block of the monitoring center 6, and the positions of the mobile terminal 2 and the coping terminal 4. It comprises a position calculation unit 24 for calculating, an abnormality monitoring unit 26 for detecting the occurrence of an abnormal situation such as theft and instructing a predetermined countermeasure, and a storage unit 28 for storing various information used for processing. These are connected to each other by LAN (Local Area Network). It also has a display unit and an operation unit (not shown). The display unit displays the current position of the moving object, the trajectory of the moving object, whether or not to deal with it, the current status, etc. on the display, and supports the operation of the supervisor. In addition, the operation unit is a device on which the observer performs input operations. is there.
  • the position calculation unit 24 communicates the GPS location information reported by the mobile terminal 2 and the coping terminal 4, information on the base station 10 that can communicate with the terminals 2 and 4, and correction information from the satellite reference station 12. It obtains it through the section 20 and calculates the exact positions of the mobile terminal 2 and the coping terminal 4. The calculated position information of the mobile terminal 2 and the response terminal 4 is passed to the abnormality monitoring unit 26.
  • the location information of the portable terminal 2 and the coping terminal 4 is stored in the storage unit 28 sequentially in association with their reception times, and the abnormality monitoring unit 26 reads the location information from the storage unit 28 and uses it. It can be configured.
  • the position calculation unit 24 has a position request function and a position reception function.
  • the position request function requests the portable terminal 2 to transmit the current position, and sends a position information request command to the portable terminal 2.
  • the position receiving function receives position information, which is a response from the mobile terminal 2 to the position information request command.
  • the position information includes a point of the mobile terminal 2 represented by latitude and longitude, and error information of the point of the mobile terminal 2. The error information will be described later.
  • the abnormality monitoring unit 26 acquires the position information of the portable terminal 2 from the position calculation unit 24 or the storage unit 28.
  • the abnormality monitoring unit 26 acquires the information detected by the sensor via the communication unit 20.
  • the sensor detects a predetermined event such as vibration.
  • the abnormality monitoring unit 26 uses one or both of the position information and the sensor detection information to determine whether or not an abnormality such as theft has occurred in the mobile body where the mobile terminal 2 is installed. You. If it is determined that an abnormality has occurred, the abnormality monitoring unit 26 uses the position information regarding the countermeasure end 4 obtained from the position calculation unit 24 or the storage unit 28 to determine the mobile object in which the abnormality has occurred. Choose a coach near the.
  • the selected responder is instructed to take measures such as searching for a moving object.
  • This instruction is issued by a supervisor at the monitoring center 6.
  • the abnormality monitoring unit 26 may be configured to automatically notify a response staff of a preset coping instruction when it is determined that an abnormality has occurred.
  • the storage unit 28 can have a function as a position information buffer that stores the position information calculated by the position calculation unit 24 as described above. By storing not only the current position information but also the past position information for a predetermined time in the storage unit 28, the abnormality monitoring unit 26 can perform any processing once the movement trajectory is grasped.
  • the storage unit 28 has a function of storing a position error table, which will be described later, and information of a mobile object to be monitored, which is registered in advance for each mobile terminal.
  • the type of information about a mobile unit varies depending on whether the mobile unit is a vehicle or a person.For example, vehicle type, vehicle number, manufacturer, color, name, gender, address, telephone number, e-mail Address, identification number, name, gender, address, face photo, birthday, identification number, mobile phone number, etc. of the attendant of the terminal device.
  • the storage unit 28 stores electronic map information of a target area monitored by the monitoring center 6.
  • FIG. 3 is a schematic block diagram of the mobile terminal 2.
  • the mobile terminal 2 includes a wireless communication unit 50, an operation unit 52, a control unit 54, and a power supply 56. Further, a sensor 58 for detecting information other than the position is provided as needed.
  • the wireless communication unit 50 includes a GPS receiving unit 70, a CDMA receiving unit 72, and a communication unit 74.
  • the GPS receiver 70 realizes a function of receiving a GPS signal from the GPS satellite 14.
  • the CDMA receiving section 72 realizes a function of receiving a base station signal (hereinafter, referred to as a CDMA signal) from the base station 10 of the mobile phone.
  • the communication unit 74 communicates with the monitoring center 6 via the network 8.
  • the operation unit 52 is an input unit for the user to perform a set operation for monitoring the portable terminal 2 and a release operation for releasing the set operation.
  • the operation unit 52 is composed of, for example, a touch switch such as a numeric keypad.
  • the control unit 54 is composed of a microprocessor, a semiconductor memory, and the like, and controls the entire mobile terminal. The details will be described later.
  • the power supply 56 is a rechargeable battery that supplies power to each part.
  • the mobile terminal 2 is configured to be separable into at least two: a set operation module including the operation unit 52 and a communication module including the wireless communication unit 50.
  • a sensor module including the sensor 58 is configured as a separate module.
  • FIGS. 4, 5, and 6 are schematic block diagrams showing the three modules of the portable terminal 2, respectively.
  • FIG. 4 shows a communication module
  • FIG. 5 shows a set operation module
  • FIG. 6 shows a sensor module. are doing.
  • the communication module controls each unit of the communication module in addition to the wireless communication unit 50.
  • the control unit 80 includes a storage unit 82 for storing data used by the control unit 80, and an interface for connecting an external device 84 connected to a set operation module or a sensor module.
  • the communication module further includes a battery pack 86 serving as a power supply 56, a power switch 88 for switching power on / off, and a monitoring LED (Light Emission Diode) 90 for displaying whether or not a monitoring state has been established.
  • the set operation module in addition to the operation unit 52, starts monitoring to the communication module in response to a signal from the operation unit 52.
  • Control unit 100 that sends a control signal to instruct Z stop, and is connected to the communication module. It is configured to include a connection interface 102 to be connected, and a display unit 104 for displaying input contents and the like on the operation unit 52.
  • the sensor module is connected to a communication module when monitoring theft of a mobile object.
  • the sensor module shown in Fig. 6 is designed for monitoring theft of a vehicle.
  • a vibration sensor 110 detects vibration that may occur due to the movement of the vehicle, etc., and detects changes in the heat source around the sensor module.
  • Infrared sensor 1 1 2, Judgment section 1 1 4 that determines whether or not a predetermined event that can occur at the time of theft based on the output of these sensors 1 1 4, connection interface 1 16 connected to the communication module, communication module
  • connection determination unit 1 18 and the determination unit 1 14 determine whether or not the predetermined event has been detected, the disappearance of the predetermined event is detected.
  • the determination unit 114 also includes a vibration determination unit 122 that determines the occurrence / stop of vibration based on the output of the vibration sensor 110 and a mobile terminal 2 based on the output of the infrared sensor 112. It includes a relocation judging unit 124 that judges the relocation of the mounting location.
  • the set operation module can be separated from the communication module, there is no danger that the portable terminal 2 will be set and operated by itself in the monitoring mode / cancellation mode by a third party.
  • the operation unit can be divided into a set / release operation unit related to the setting of the monitoring mode / release mode and another operation unit unrelated to the monitoring mode / release mode setting
  • the set operation module may be provided with only the set / release operation unit, and the other operation units may be provided in another module such as a communication module.
  • the monitoring center 6 has an authentication server and an application server. It responds to inquiries about the current location from the user, monitors abnormalities of the mobile terminal 2, and responds to such abnormalities. It should be noted that various communication methods such as telephone-fax and e-mail via the Internet can be used between the user and the monitoring center 6.
  • the monitoring center 6 receives an inquiry about the location of the mobile unit from the user, the monitoring center 6 transmits a position information request command to the mobile terminal 2 attached to the mobile unit.
  • the position information request command is transmitted from the communication unit 20 to the network 8 and transmitted to the mobile terminal 2 through the nearest base station 10 of the mobile terminal 2.
  • the mobile terminal 2 receives power about once a minute when the power is turned on, and receives a CDMA signal from one or more nearby base stations 10 at this timing.
  • the reception interval is not limited to this, and may be appropriately selected according to the moving object, and may be once every few seconds or once every tens of minutes.
  • the mobile terminal 2 Upon receiving the location information request command, the mobile terminal 2 wirelessly communicates the location information data obtained by adding its own ID code (identification code) to the GPS signal received at that time and the CDMA signal of the base station 10. A transmission is made from the unit 50 to the monitoring center 6 via the base station 10 and the network 8.
  • the communication unit 20 of the monitoring center 6 transmits the position information data received from the mobile terminal 2 to the position calculation unit 24 after performing authentication in order to prevent cyber ⁇ .
  • the position calculation unit 24 determines how many GPS signals and how many CDMA signals are based on the position information data transmitted from the mobile terminal 2. Even if the mobile terminal 2 cannot receive the GPS signals from the three GPS satellites 14, the position calculation unit 24 uses the CDMA signal from the base station 10 as a complement to the GPS signal. Thus, the position of the mobile terminal 2 is calculated based on the principle of three-point surveying.
  • the position calculation unit 24 uses the satellite error data obtained from the satellite reference station 12 in addition to the position information data received from the mobile terminal 2 to calculate the position of the
  • the position of the calculation result by the position calculation unit 24 is stored in the storage unit 28 and used by the abnormality monitoring unit 26.
  • the storage unit 28 stores the calculation result of the position of the mobile terminal 2 in association with the ID code and the reception time of the position information.
  • the abnormality monitoring unit 26 uses the location information of the mobile unit obtained from the storage unit 28 to inform the user of the current location of the mobile unit by telephone, Mark the location on the map and send by fax
  • the information is transmitted by various methods, such as transmitting the map data with the position of the moving object by e-mail.
  • the position calculation unit 24 is provided at the same site as the abnormality monitoring unit 26, but the position calculation unit 24 may be provided as a position calculation center and as a site different from the monitoring center 6. it can.
  • the mobile terminal 2 sends the position information to the position calculation center, and the position calculation center calculates the position coordinates of the mobile terminal 2 and the error information used for the calculation (for example, The number of GPS satellites 14 and base stations 10, the arrangement of satellites 14 and base stations 10, and the reception strength) are transmitted to the mobile terminal 2 as location information.
  • the mobile terminal 2 transmits the position information received from the position calculation center to the monitoring center 6.
  • the system can be constructed by completely separating the position calculation center that determines the position of the mobile unit from the monitoring center 6 for monitoring and searching for the mobile unit, so that the position calculation center can be changed and other position information can be changed. This is advantageous because the incorporation of is relatively easy.
  • communication is performed between the mobile terminal 2 and the base station 10 by using a CDMA mobile phone system, whereby the mobile terminal 2 and the monitoring center 6 communicate via the network 8.
  • Data communication is enabled.
  • the CDMA system is a communication system called code spreading multiple access.
  • the communication method of the terminal device is not limited to the CDMA method, and may be another method.
  • As for the communication speed of the data communication service bucket communication of 64 kbps from the base station 10 to the portable terminal 2 and 14.4 kbps in the reverse direction is possible.
  • Fig. 7 is an operation flow diagram of the mobile terminal 2 and Fig. 8 is an operation flow diagram of the monitoring center 6.
  • a user who receives the location monitoring service carries the portable terminal 2 and goes out.
  • a user goes out of a car and parks in a parking lot, and then monitors for theft of the car.
  • the mobile terminal 2 has a monitoring mode set when receiving the location monitoring service, There are two modes, a release mode set when the location monitoring service is not received.
  • the user sets (sets) the monitoring mode using the operation unit 52 of the mobile terminal 2. For example, the # and * buttons are pressed simultaneously for a predetermined time or longer (step S200).
  • the control unit 54 of the mobile terminal 2 detects its own position information (step S205).
  • the mobile terminal 2 sends the monitoring set signal indicating that the mobile terminal 2 has been set to the monitoring mode together with its own ID code and the position signal at that time to the communication unit 74.
  • the control unit 54 previously stores its own ID code, the destination code of the monitoring center 6, the visual setting signal code, and the monitoring release signal code indicating that monitoring has been released. ing.
  • the monitoring center 6 cannot monitor the position of the vehicle. If the vehicle is stolen and moved, the GPS signal is automatically received when the GPS signal etc. can be received by the GPS signal receiver 70 (for example, when the vehicle leaves the underground parking lot). The current position is detected at 0 or the like, and a monitoring set signal and position information are transmitted to the monitoring center 6 via the communication unit 74 together with its own ID code.
  • the communication unit 20 receives the ID code, the monitoring set signal, and the position information at that time transmitted from the mobile terminal 2 (step S300), and transmits the position information to the position calculation unit.
  • the position of the portable terminal 2 calculated by the position calculating unit 24 is stored in the storage unit 28 (step S305).
  • the location information is detected at predetermined time intervals (for example, every 5 minutes), and monitoring is performed.
  • the data is transmitted to the center 6 (step S215).
  • the detection of the position information and the transmission to the monitoring center 6 are repeated until the user performs the operation of canceling the monitoring on the mobile terminal 2 (step S220).
  • a release mode is set by inputting a preset personal identification number from the ten-key buttons of the operation unit 52 of the mobile terminal 2.
  • the mobile terminal 2 transmits a monitoring release signal to the monitoring center 6 via the communication unit 74, and thereafter stops detecting and transmitting the position information (step S225).
  • the monitoring center 6 stores the position information of the mobile terminal 2 and also stores a predetermined distance range corresponding to the error information detected by the mobile terminal 2.
  • the monitoring center 6 monitors whether or not to receive the position information from the portable terminal 2 within a predetermined time, for example, within 10 minutes (step S3110).
  • This fixed time may be set slightly longer than the predetermined time interval transmitted by the mobile terminal 2 in step S215. Note that the fixed time does not necessarily have to be one fixed time interval, and may be changed as appropriate if the predetermined time interval transmitted by the mobile terminal is changed.
  • the mobile terminal 2 may be destroyed, and the mobile terminal 2 becomes abnormal in the display unit. Is displayed (S315), and appropriate measures are taken. For example, based on the last received location information, the location of the mobile terminal 2 is shown on a map displayed on the display unit 26, and the nearest person in charge of the location is dispatched to the site to check for the presence or absence of a car and the current situation. Confirmation.
  • step S310 upon receiving subsequent position information from the mobile terminal 2, the abnormality monitoring unit 26 reads a new position obtained corresponding to the position information from the storage unit 28, and It is determined whether or not the position is within a predetermined distance range from the past position stored in step S305 (step S320).
  • the car may have been stolen and moved, and the display of the monitoring center 6 will display an alarm and the latest position of the mobile terminal 2 will be displayed. Display on the map (S315).
  • the location of the moved car is tracked from the sequentially transmitted location information, and measures such as reporting to the police are performed.
  • the monitoring center 6 receives the monitoring cancellation signal from the portable terminal 2, the monitoring of the position of the vehicle is terminated (step S325).
  • the monitoring center 6 repeats the processing from step S310 until the monitoring release signal is received.
  • the person who holds the mobile terminal 2 can set the start or end of the monitoring service of the moving object based on his / her own will. That is, according to the setting of the monitoring mode by the user, an arbitrary destination point is automatically set as the reference position in the monitoring center 6, and the movement of ⁇ is monitored from the reference position. In this configuration, it is not necessary to register the movement permitted area or the monitoring area in the monitoring center 6 in advance. That is, there is no need for the user to request the monitoring center 6 to change the monitoring area according to the destination, or the operation of the monitoring center 6 to set the monitoring area is unnecessary, which is advantageous in terms of ease of use.
  • the mobile monitoring system also has the above-described basic configuration and operation as in the first embodiment.
  • the second embodiment will be described based on the above basic configuration and operation.
  • position calculation center having a function of position calculator 2 4 is provided separately from the monitoring center 6 portable terminal 2 transmits the position information to the position calculation center.
  • the position calculation center calculates not only the information from the mobile terminal 2 but also the information from the satellite reference station 12 to calculate accurate position information on the mobile terminal 2.
  • the calculated position information is transmitted to the mobile terminal 2, and the mobile terminal 2 transmits this to the monitoring center 6.
  • the mobile terminal 2 transmits a monitoring set signal, an abnormal signal, a recovery signal, a monitoring release signal, and other signals to the monitoring center 6.
  • the position information of the mobile terminal 2 is added to each transmission signal.
  • the monitoring set signal is a signal requesting the monitoring center 6 to monitor the state of the moving object, and the monitoring mode setting operation is performed by the operation unit 52 that is not the portable terminal 2. Sent by For example, when monitoring the parking of an automobile, the user operates the operation unit 52 when the automobile is parked, thereby transmitting a monitoring set signal.
  • the monitoring center 6 When the monitoring center 6 receives the monitoring set signal from the mobile terminal 2, the monitoring center 6 registers the position information added to the signal in the storage unit 28 and the mobile terminal from which the abnormality monitoring unit 26 transmitted the signal. Start monitoring 2 if not already. During the monitoring, if the above various signals are received from the portable terminal 2, an error region is calculated, and the error region is calculated according to the received signal. The movement of the mobile terminal 2 is determined based on the presence or absence of an overlap between the error region output and the error region in the position information registered at the start of monitoring. If it is determined to be moving, the specified abnormal processing is performed.
  • the abnormality monitoring unit 26 when the abnormality monitoring unit 26 receives an abnormality signal from the mobile terminal 2, it starts an abnormality determination timer, and determines that an abnormality has occurred if it does not receive a recovery signal or a release signal from the mobile terminal 2 within a predetermined time. To perform abnormal processing.
  • the abnormality monitoring unit 26 terminates the timing of the abnormality determination timer.
  • the abnormality monitoring unit 26 terminates the monitoring processing as well as stopping the abnormality determination timer.
  • FIG. Fig. 9 shows the monitoring process when the monitoring center 6 receives the monitoring set signal from the mobile terminal 2.
  • the monitoring center 6 when the monitoring center 6 receives the monitoring set signal from the mobile terminal 2, the monitoring center 6 stores the received position information together with the monitoring set signal in the storage unit 28, and the abnormality monitoring unit 26 transmits the monitoring set signal.
  • the monitoring of the portable terminal 2 that has been started is started (step S400).
  • the location information includes, in addition to the position of the mobile terminal 2 calculated by the location calculation center, for example, the number of GPS satellites 14 and base stations 10 that can be received, GPS satellites 14 and base stations, and so on. 1 0 placement, and c using the error information error information such reception strength is included, error region to be described later is calculated.
  • the storage unit 28 stores the calculated error area together with the position information received from the mobile terminal 2.
  • the monitoring When the monitoring is started, it is checked whether an abnormality determination timer described later has counted a predetermined time (for example, 5 minutes) (S405).
  • a predetermined time for example, 5 minutes
  • step S410 it is determined whether or not a signal has been received from mobile terminal 2 after the start of monitoring.
  • the signal includes an abnormal signal, a recovery signal, a release signal (these will be described later), a monitoring set signal, and a periodic transmission signal not described in this flow and the like.
  • the processing for other signals is not directly related to the present invention, and thus is omitted for simplification.
  • the signals transmitted by pairs to the monitoring center 6 from the portable terminal 2 if the received signal at c Step S 4 1 0 contain essentially all positional information, included in the signal Included in the location information An error area is calculated based on the error information, and the error area is stored in the storage unit 28 together with the point position of the portable terminal 2 included in the position information (S 415).
  • the process returns to step S405.
  • FIG. 10 is an example of a position error table for determining an error range, which is stored in the storage unit 28. That is, a breakdown of the information that is the basis for calculating the position coordinates (point position) of the mobile terminal 2 included in the position information received from the mobile terminal 2 (the number of GPS satellites used for calculating the position and the mobile phone base) It is a table showing the correspondence between the error information and the error range. For example, if the position is calculated using GPS signals from two or more GPS satellites and CDMA signals from one mobile phone base station, the error range is within 10 m, and the GPS signal from one GPS satellite and the mobile phone base are used.
  • an error region is determined based on the error range and the point position thus determined. That is, the error area is a circular area centered on the position coordinates indicated by the latitude and longitude, which is the point position, and having the error range as a radius. As shown in Fig. 11, the error regions were defined as the error ranges 10 m and 30 m 100 m based on statistical empirical rules, with the point positions A and B indicated by crosses as the centers, respectively.
  • the result of the determined error region is expressed as a mathematical formula of a circle in a coordinate system with the latitude and longitude as the horizontal axis and the vertical axis, respectively.
  • the error region is shown as a circular shape for simplicity.
  • the position of GPS satellites at the time of acquiring the position information, the position of CDMA base stations, and the radio wave propagation conditions For example, the error range including the degree of geographical influence that varies from place to place is different, so that the error range may be calculated based on the state each time. In this case, oval shape, polygonal shape, etc. Various shapes are appropriately selected.
  • step S420 the error region at the monitoring start position stored in advance in step S400 and the error region determined in step S420 overlap each other. It is determined whether or not they are separated from each other and whether or not one is included in the other. As shown in FIG. 11, for example, it is assumed that the point position A is calculated as the position of the moving object at the start of monitoring, and the point position B is calculated as the position of the moving object at the time of subsequent signal reception. For example, if the error range of the point position A is 100 m (circle 500) and the error range of the point B is 100 Om (circle 5100), There is an overlap in the error region. In this case, it is determined that the mobile terminal 2 has not moved, and the process proceeds to step S425.
  • the position of the moving object may be determined to be either the point position A or the point position B depending on the acquisition status of the position information. For this reason, if the error areas overlap, the mobile unit may not have moved, so it is not determined that it has moved.
  • step S450 the fact that the moving object being monitored has moved indicates the possibility of theft, so it is determined that an abnormality has occurred, and the monitoring center 6 displays an abnormality on the display unit.
  • the error display includes information on whether an error has occurred, location information, and basic information on the moving object. The observer can take appropriate measures, such as urging the responder to the site or contacting the user, by seeing the abnormal display.
  • step S425 it is determined whether an abnormal signal has been received. If the signal is an abnormality signal, the abnormality determination timer is started (step S430), and the process returns to step S405.
  • the abnormality determination timer measures a predetermined time (for example, 5 minutes) in step 405, the process proceeds to step S450 to perform the same abnormality processing as described above.
  • the timer of the abnormality determination timer is stopped, and the process returns to step S405 (steps S435, S440).
  • the release signal is received, the monitoring is terminated and the process exits from this flow (S445).
  • the process returns to step S405 and repeats the same processing.
  • the presence / absence of movement is determined based on the monitoring start position.
  • the present invention is not limited to this, and the presence / absence of movement is determined based on position information at two different times after the start of monitoring. May be.
  • the presence or absence of movement may be determined from three or more pieces of position information.
  • the position calculation center determines the point position and the error range.
  • the mobile terminal 2 determines the point position and the error range based on the positioning signal received by itself, and determines these points in the monitoring center. 6 may be sent.
  • the location information calculated by the location calculation center is transmitted from the mobile terminal 2 to the monitoring center 6, but the location information may be directly transmitted from the location calculation center to the monitoring center 6. good.
  • the determination of the movement of the moving object is performed in consideration of the positioning accuracy in the positioning system, it is possible to reduce the influence of the error fluctuation between the actual position and the measured position. Therefore, the erroneous determination of the movement determination due to the error fluctuation is reduced, and the movement determination processing when the error is small can be speeded up.
  • the mobile monitoring system according to the third embodiment of the present invention also has the basic configuration and operation described above, as in the above embodiments.
  • the present embodiment describes a mobile monitoring system in which the mobile terminal 2 includes a sensor for detecting information other than the position, and is a system for detecting theft of a vehicle such as an automobile.
  • the third embodiment will be described based on the basic configuration and operation described above.
  • the position calculation unit 24 is disposed in the monitoring center 6 as shown in FIG.
  • the user uses the mobile terminal 2 and sets the start and stop of the theft monitoring operation by the mobile terminal 2.
  • the state of the mobile terminal 2 where the theft monitoring is being performed is referred to as a set state
  • the state of the mobile terminal 2 where the theft monitoring is stopped is referred to as a released state.
  • the user parks the vehicle and sets the mobile terminal 2 in a set state before leaving the vehicle. Specifically, the user connects the set operation module to the communication module, After the switch 88 is turned on, a predetermined monitoring set is input from the operation unit 52, whereby the communication module constituting the mobile terminal 2 is set.
  • the set operation module is removed from the communication module that has shifted to the set state, and the sensor module is connected to the communication module instead.
  • the communication module When the communication module is in the set state, it transmits a monitoring set signal to the monitoring center 6, and upon receiving the monitoring set signal, the monitoring center 6 monitors the vehicle on which the portable terminal 2 is mounted for theft. Start.
  • the communication module When the communication module is connected to the sensor module, the communication module generates an abnormal signal and a recovery signal based on the outputs of the vibration sensor 110 and the infrared sensor 112 and transmits them to the monitoring center 6.
  • the monitoring center 6 that has started monitoring determines whether or not the vehicle has been stolen based on the abnormal signal and the recovery signal reported from the communication module, and if it is determined that the vehicle has been stolen, responds as described above. Instruct user 4 to take action.
  • the mobile terminal 2 is released. Specifically, the user removes the sensor module from the communication module, and instead connects the set operation module to the communication module, and performs a predetermined monitoring release input from the operation unit 52 to release the communication module. State.
  • the communication module When the communication module is in the release state, it transmits a monitoring release signal to the monitoring center 6, and upon receiving the monitoring release signal, the monitoring center 6 stops monitoring the vehicle on which the mobile terminal 2 is mounted for theft.
  • FIG. 12 is a processing port diagram of the communication module when shifting from the release state to the set state.
  • the communication module monitors the input from the external device connection interface 84 in the release state, and when the monitoring set input is detected (S600), starts the transition processing to the set state. .
  • the radio communication unit 50 receives a signal from the GPS satellite 14 and The current position information of the communication module is obtained (S605), and the control unit 80 sends data including the position information and the monitoring start signal to the monitoring center 6 (S610). .
  • Monitor from communication module Data to the viewing center 6 is first wirelessly transmitted from the wireless communication unit 50 to the base station 10 via a mobile phone communication line, and then transmitted from the base station 10 to the monitoring center 6 via the network 8. . Further, the control unit 80 stores the information indicating the monitoring mode in the storage unit 82 (S615), and the communication module shifts to the set state (S620). As described above, thereafter, the set operation module is removed from the communication module, and the sensor module is connected to the communication module instead.
  • FIGS. 13 to 15 show the operation of the sensor module constituting the mobile terminal 2.
  • FIG. 13 is a processing flowchart of the vibration determination processing.
  • the connection determination unit 118 detects that the communication module in the set state is connected to the sensor module by transmitting and receiving a predetermined signal between the two (S700)
  • the vibration determination unit 122 Starts processing.
  • the vibration sensor 110 detects vibration
  • the vibration determination unit 122 basically outputs a vibration detection signal continuously for a predetermined duration.
  • the vibration determination section 122 When the vibration is detected (S705) and the output of the vibration detection signal is not already held (S710) when the vibration is detected, the vibration determination section 122 starts outputting the vibration detection signal (S710). 7 15), a holding timer for measuring the duration of the vibration detection signal is started (S 720). On the other hand, if the output of the vibration detection signal is held in step S710, the vibration determination unit 122 restarts the holding timer while holding the output of the vibration detection signal. (S 725). That is, the hold timer restarts the hold time from the time when a new vibration is detected.
  • step S705 If no vibration is detected in step S705, it is determined that the holding timer has expired (S730). When the hold timer times out, the output hold of the vibration detection signal is released (S735), but if the time has not expired, the output hold of the vibration detection signal is continued.
  • the duration is, for example, the average duration of one gondola ride in a mechanical parking lot, the average time interval between two subsequent gondola trips, and the time between one start and stop of the vehicle. It is determined based on the time of the traffic, the average stop time due to signal waiting, etc. Specifically, when the vehicle is parked in a mechanical parking lot, the duration of the vibration detection signal is basically prevented from exceeding the grace period in monitoring center 6 by restarting the hold timer.
  • the duration of the vibration detection signal is basically extended by the restart of the holding timer, so that the monitoring center 6 is allowed
  • the duration of the vibration detection signal is set to exceed the time. For example, its duration can be set to about one minute.
  • steps S705 to S735 is repeated until the connection determination unit 118 detects that the communication module is not connected to the sensor module (S740). On the other hand, when the disconnection with the communication module is detected, the vibration determination unit 122 ends the processing (S745) o
  • FIG. 14 is a processing flowchart of the transfer determination processing.
  • the connection determination unit 118 detects that the communication module in the set state is connected to the sensor module (S800)
  • the transfer determination unit 124 starts processing. If the infrared sensor 112 detects a change in the amount of infrared rays in the surroundings and a vibration is detected within a predetermined time before and after the change, for example, within 5 seconds (S810), somebody will be notified. It is highly likely that the sensor module was moved from the place where it was mounted on the vehicle. Therefore, in this case, the transfer determination unit 124 starts outputting a transfer detection signal indicating the possibility of the sensor module to be transferred (S815), and holds this transfer detection signal (S820). ).
  • step S805 if no infrared change is detected in step S805, and if no vibration is detected within the predetermined time in step S810, no special processing is performed.
  • connection determination unit 1 1 8 is repeated until it is detected that not the communication module is connected to the sensor module (S 8 2 5) (- How, communication module In the case where the disconnection is detected, the relocation judging unit 124 ends the processing (S830) .
  • the relocation judging unit 1 24 once outputs the relocation detection signal once. Is held until the processing in is completed.
  • FIG. 15 is a flowchart of the processing performed by the signal output unit 120.
  • the signal output unit 120 determines whether or not the relocation determination unit 124 has output a relocation detection signal (S900), and if the relocation detection signal has been output, transmits to the communication module.
  • the output of the signal indicating the abnormal status is started (S905). If it is determined in step S900 that the transfer detection signal has not been output, the vibration determination Is determined (S910). If the vibration detection signal has been output, start outputting the signal indicating the abnormal status to the communication module (S905) o
  • the signal output section 120 starts outputting a signal indicating a normal status to the communication module (S910).
  • FIG. 16 is a processing flowchart of the communication module in the set state.
  • the output to the communication module indicates a normal state. From normal status to abnormal status, which means that an error was detected. On the other hand, if the possibility of theft has decreased, the status is changed from abnormal status to normal status.
  • the communication module monitors the input from the external device connection interface 84, and when it detects that the status output from the sensor module has transitioned from normal to abnormal (S1000), the GPS satellite 14 And the current position information of the communication module is obtained (S1005). Then, data including an abnormal signal indicating the transition to the abnormal status and the current position information is transmitted to the monitoring center 6 (S11010). On the other hand, when the communication module detects that the status output from the sensor module has transitioned from abnormal to normal (S1002), the communication module receives a signal from the GPS satellite 14 and outputs the current status of the communication module.
  • the processing of monitoring the status of the sensor module by the communication module in steps S1000 to S1030 is repeated until the monitoring release input from the set operation module is detected (S10). 1 0 5 0).
  • the communication module is When the monitoring release input is detected, the control unit 80 stores information indicating the release mode in the storage unit 82 (S1055), and the communication module shifts to the release state and A release signal is sent to the monitoring center 6 (S1060).
  • FIG. 17 is a flowchart of the processing performed in the monitoring center 6.
  • the monitoring center 6 receives the monitoring start signal transmitted from the mobile terminal 2 in step S610 (S110)
  • the monitoring center 6 starts monitoring the vehicle on which the mobile terminal 2 is mounted.
  • the position of the vehicle at the start of monitoring is registered in the storage unit 28 (S1105).
  • the position of the vehicle (more precisely, the mobile terminal 2) is determined by the position calculation unit 24 based on the position information transmitted together with the monitoring start signal.
  • the position calculation unit 24 calculates the position of the vehicle by correcting the position information obtained from the portable terminal 2 using information from the satellite reference station 12 and the like.
  • the position information of the mobile terminal 2 is added not only to the monitoring start signal but also to various other signals transmitted from the mobile terminal 2 to the monitoring center 6.
  • the position calculating unit 24 performs the same correction as when monitoring is started, and calculates the position of the vehicle from the position information added to the signal.
  • the abnormality monitoring unit 26 calculates the moving distance of the vehicle from the start of monitoring from the position at the start of monitoring registered in the storage unit 28 and the latest position (S111). When the moving distance exceeds a predetermined allowable distance for determining that the vehicle has been stolen (S112), the abnormality monitoring unit 26 determines that an abnormality has occurred.
  • step S111 is an abnormal signal transmitted from the mobile terminal 2 in step S110.
  • step S1130 or the recovery signal transmitted in step S1300 (S11 1 1 3 5)
  • the abnormality monitoring unit 26 starts timing (S
  • step S111 when there is no new received signal in step S111, and when the received signal is not any of the abnormal signal, the recovery signal, and the release signal, the process shifts to step S116. . If the received signal is a release signal, the monitoring of the vehicle is terminated (S115).
  • the grace time determination process S1160 it is determined whether the time counted in step S11445 has exceeded a predetermined grace time. If the measured time does not exceed the grace time, the abnormality monitoring unit 26 proceeds to the determination process S11110 of whether or not a new signal has been received. (S116), it is determined that an abnormality has occurred, a display indicating that the abnormality has occurred is displayed on a display device or the like, and a monitoring person at the monitoring center 6 is notified (S112).
  • the grace time is determined together with the duration based on the above-described consideration in determining the duration of the retention timer of the mobile terminal 2. For example, the grace time can be set to about 10 minutes.
  • the monitoring center 6 determines whether the vehicle has moved within the allowable distance range, in addition to the grace period, to determine whether the vehicle has been stolen. This allows the stolen vehicle to move and stop at an appropriate evening. Theft can be detected even if the holding timer is restarted repeatedly and a recovery signal is issued.
  • the notified supervisor When the theft is detected at the monitoring center 6, the notified supervisor notifies the registered contact of the system user of the abnormality, and responds to the personnel carrying the nearest response terminal 4 to the stolen vehicle.
  • the identification is performed based on the position information transmitted by the user terminal 4, the characteristics of the stolen vehicle are notified, and a search is performed.
  • the mobile terminal 2 installed in the vehicle transmits a signal to the monitoring center 6 according to various conditions, and the monitoring center 6 determines whether the vehicle is stolen (the monitoring center 6 performs the By grasping the state of the end 2 and making a judgment, false reports and unreported reports are suppressed.
  • the moving object monitoring system As described above, the moving object monitoring system according to the present invention, the moving object monitoring device used in the monitoring center, the moving object monitoring method, and the movement judging method in the moving object monitoring include a vehicle such as an automobile, cash, and a work of art. It is possible to monitor the occurrence of theft, etc., to prevent the occurrence of damage, and to search for people and pets when they are lost.
  • the present invention is highly convenient because the user does not need to be aware of wherever the user moves in the entire area where the monitoring service is provided. In addition, false reports and unreported reports are suppressed and monitoring accuracy is high. Due to these features, the present invention is suitable for a mobile monitoring system that targets a large number of users and provides services in a wide area.

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Abstract

L'invention concerne un système de contrôle d'objets en mouvement dans lequel un terminal portatif (2) est porté par un objet en mouvement tel qu'un véhicule et un centre de contrôle (6) surveille la position, le mouvement et le vol de l'objet en mouvement sur la base du rapport établi par le terminal portatif. La facilité d'utilisation et la précision de contrôle requises dans un système de contrôle d'objets en mouvement ayant une large portée de surveillance et comprenant un nombre important d'utilisateurs sont renforcées. La facilité d'utilisation est renforcée grâce à un service intégré, même si n'importe quel utilisateur se déplace dans un lieu quelconque. Le moniteur est lancé en référence à la destination de l'utilisateur. La précision de contrôle est renforcée par détection du mouvement en considération de l'erreur de mesure de position du terminal portatif et par détection d'un événement anormal en cas de vol, au moyen d'un détecteur de vibrations ou d'un capteur infrarouge. Le terminal portatif peut être séparé d'un module d'opérations établies. La mise en place de la surveillance contre les vols du terminal portatif ne peut être supprimée que par le module d'opérations établies que porte l'utilisateur.
PCT/JP2001/008948 2000-10-20 2001-10-11 Systeme de controle d'un objet en mouvement, dispositif et procede de controle d'objets en mouvement, procede de detection de mouvement pour controler des objets en mouvement WO2002035492A1 (fr)

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JP2002538400A JP3886455B2 (ja) 2000-10-20 2001-10-11 移動体監視システム、移動体監視装置、移動体監視方法、及び移動体監視における移動判定方法
AU2001294229A AU2001294229A1 (en) 2000-10-20 2001-10-11 Moving object monitoring system, moving object monitoring apparatus, moving object monitoring method, move detecting method for moving object monitoring

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TWI235967B (en) 2005-07-11

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