RU2256952C2 - Method for operative escorting and controlling of surface vehicles - Google Patents

Abstract

FIELD: vehicles control systems.

SUBSTANCE: during exit of driver from vehicle, to memory of vehicle controller a standard code is recorded and to packet of data sent to central dispatching station to number code of vehicle a mark of guard code is also added, which at dispatch station is separated from received data packet and identified as signal of setting of vehicle under guard, and during movement of vehicle without participation of driver and presence of guard code mark into data packet theft mark code is added, which is detected at dispatch station, identified as alarm message displayed, recorded and return packet is formed with included coordinates of guard zone contour, and on vehicle exit from guard zone is tracked and movement of vehicle is stopped/enabled periodically, on dispatch station after taking necessary measures code for lifting theft mark and guard code is formed, recorded into packet of data sent to vehicle, where this code is decoded and mark of theft and guard code are excluded from vehicle controller.

EFFECT: automatic detection of theft of vehicle and its location coordinates with minimal material costs.

3 cl, 7 dwg

Description

The method of operational tracking and control of land vehicles relates to the field of control and traffic control of various vehicles, mainly automobiles, and can be used for centralized monitoring of the locations of stolen vehicles.

Known methods of controlling the movement of vehicles, for example, implemented in the patent of the Russian Federation No. 2158963, G 08 G 5/06, Bull. No. 31, 2000, which consists in the fact that the corresponding vehicle receives radio signals from the satellites of the global navigation system, determines the coordinates of the vehicle (TS) in real time, form a package of information with the additional inclusion of the code number and status of individual TS subsystems transmit this package to the central control center (DAC) through a dedicated digital channel, where this package is processed and the TS subsystems are controlled through the channel.

The disadvantage of this method is that when hijacking a vehicle, it is impossible to distinguish information about it from information of other vehicles until a message is received on the DAC from the owner and until a special program is entered into the DAC on the system. It takes a lot of time.

There is also a method of controlling the transportation of goods described in the patent of the Russian Federation No. 2157565, G 08 C 1/123, bull. No. 28, 2000, which consists in the fact that on a mobile vehicle, navigation signals from the satellites of the global radio navigation system are received through a special controller, the current coordinates of the vehicle are extracted from the received signals, a data packet is formed with the inclusion of the vehicle number code in it and transmitted through the cellular system communication to the DAC, where information is periodically received from this and other vehicles, it is processed, stored and displayed, and if an emergency occurs, a two-way voice communication is established with the owner of the vehicle or received so other measures. This method is adopted as a prototype.

It has the following disadvantages:

1) When a vehicle is stolen at a central passport, it is impossible to distinguish information about it from information from unexploited vehicles.

2) For objective and subjective reasons, information about the fact of hijacking a vehicle is received by the CDC through other channels with a delay, which is why the search for the coordinates of a hijacked vehicle often becomes useless.

3) Since the stolen vehicle is often in motion, it takes quite a lot of time and material costs to detain it.

The problem solved by the invention is a faster automatic determination of the fact of theft of the vehicle, the coordinates of its location and to reduce the time and material costs of returning it to the owner.

This is achieved by the fact that in the vehicle motion control method, which means that signals from the global satellite navigation system are received on a vehicle on a special controller, current coordinates of the vehicle are selected from the received signals, the time and speed of the vehicle are determined, and an information packet is formed with inclusion in the vehicle’s code number and transmit this information packet through the cellular communication system to the DAC, where information is periodically received from this and other vehicles, it is processed, stored and displayed, and if there is any In the current situation, a two-way voice communication is established with the vehicle driver or other measures are taken, while at the moment the driver leaves the vehicle, the security code is written to the vehicle controller memory and a sign of the security code is added to the vehicle number code from the controller’s memory from the controller’s code, which on the DAC, it is isolated from the packet of received information, identified as a signal of arming the vehicle, and when the vehicle is moving without the participation of the driver and there is a sign of security An ode to the packet of information transmitted from the vehicle is additionally entered the code of the sign of theft, which is allocated at the central control room, identified as an alarm, displayed, stored and formed a return packet with the coordinates of the security zone, transmit it to the vehicle, where it is decrypted, and the coordinates of the security zone are recorded in non-volatile memory, then they track the location of the vehicle in the security zone and, when the vehicle leaves the security zone, periodically generate signals turn off the ignition and turn on the audible alarm for a predetermined time, after which they generate signals to turn on the ignition and turn off the audible alarm, and at the same time take the necessary measures on the DAC, after which they form a code to remove signs of guarding and theft, write down the information transmitted to the vehicle this code is decrypted and excluded the security code, codes of signs of protection and theft from the memory of the onboard controller of the vehicle. The coordinates of the security zone on the DAC are formed as a sequence of pairs of geodetic coordinates latitude / longitude, forming a closed loop, and tracking the location of the vehicle in the security zone and exit from it by combining in one coordinate system the contour of the security zone and the coordinates of the location of the vehicle, and then they build a ray emanating from this coordinate and parallel to one of the directions east, west, north, south; determine the number of intersections of the contour lines of the security zone with this ray, and the moment and the fact of the exit of the vehicle from the security zone are determined by the even number of intersections.

The essence of the proposed method of operational tracking and control of land vehicles is illustrated by drawings, in which Fig. 1 shows the general structural diagram of the implementation of the method, Fig. 2 - the algorithm of the system according to this method, Figs. 3, 4 - the principle and algorithm for tracking vehicles in in the security zone with the determination of the moment of exit from it, in FIGS. 5 and 6, respectively, the format of the message (packet) transmitted from the vehicle and the format and content of the information packet transmitted from the central processing center to the vehicle in the recording mode of the security zone coordinates. In Fig.7 - the format of the packet transmitted from the DAC to the vehicle in the control mode of the airborne subsystems, including information on the removal of signs of protection and theft.

In the drawings, the following notation:

1 - a receiver of signals from a global navigation satellite system (NSP ₁ -NSP _n - navigation satellites) with a processor for determining the coordinates of the vehicle, speed and time in GMT;

2 - security code input device;

3 - vehicle controller (TS);

4 - transceiver of digital information packets on a dedicated cellular communication channel located on the vehicle;

5 - non-volatile memory;

6 - vehicle on-board subsystems;

7 - transceiver of digital information packets on a dedicated cellular channel, located on the DAC;

8 - block processing digital information packets on the DAC;

9 - display and alarm unit;

A ₁ - the operation of receiving signals from navigation satellites HCP ₁ -NCP _n ;

A ₂ - the operation of determining the coordinates, Greenwich Mean Time and vehicle speed with the conversion of data into digital form;

A ₃ - the operation of reading data obtained in operation A ₂ , and writing to the memory of the vehicle controller;

A ₄ - the formation of a data packet and its transmission to the DAC;

A ₅ - the operation of reading information from the input device of the security code, its storage and the formation of the sign of the security code;

A ₆ - operation for assessing the presence of a sign of a security code;

A ₇ - the operation of including the security code attribute in the package and transferring it to the DAC;

A ₈ - the operation of receiving a message (packet) to the DAC, identification of the sign of the security code and arming the vehicle;

A ₉ - operation for evaluating the movement of the vehicle in the presence of a sign of the security code;

A ₁₀ - the operation of the formation of a sign of theft by the controller of the vehicle, its recording in a packet with transmission to the DAC via a dedicated cellular channel through a transceiver, for example, GSM;

A ₁₁ - the operation of receiving a message on the DAC, highlighting the sign of theft and forming a return message with the coordinates of the security zone;

A ₁₂ - the operation of receiving a vehicle message (packet) with the coordinates of the security zone and their recording in non-volatile memory;

A ₁₃ - the operation of tracking the location of the vehicle in the security zone and determining the moment of exit from the zone;

A ₁₄ - operation to turn off the ignition and turn on the audible alarm through the onboard subsystems;

A ₁₅ - operation of holding a predetermined time;

A ₁₆ - operation of turning on the ignition and turning off the audible alarm;

A ₁₇ - the adoption of necessary measures by maintenance personnel;

A ₁₈ - assessment of the results of measures taken;

A ₁₉ - the operation of forming a command on the DAC of the removal of the sign of theft and the security code of the vehicle, writing it to the information packet and transmitting the packet via a dedicated cellular communication channel to the vehicle;

And ₂₀ - the operation of receiving the TS information package and its decryption;

A ₂₁ - operation to eliminate the sign of theft and security code from the memory of the on-board controller;

A ₁₃₁ - placement in the memory of the on-board controller of the contour of the security zone in the coordinate system X, Y (east, north);

A ₁₃₂ - construction of the contour lines of the security zone in the coordinates X, Y;

A ₁₃₃ - the location of the coordinates of the point of location of the vehicle on the plane in the coordinates X, Y;

A ₁₃₄ - construction of a beam parallel to the direction of OX and emanating from the point of location of the vehicle;

A ₁₃₅ - calculation and construction of the points of intersection of the beam with the contour lines of the security zone;

A ₁₃₆ - condition for the presence of the point of intersection of the beam with the corresponding contour line of the security zone;

A ₁₃₇ - counting the number of intersections;

A ₁₃₈ - the condition for determining the even number of intersections, the condition for the vehicle to exit the security zone;

X1, Y1; - coordinates of the contour points of the security zone;

...

X8, Y8

K1 ... K4 - possible points of location of the vehicle;

Header - packet header;

DTail - the rest of the message from the previous packet;

mFD - mask for data output format;

D - byte of the first information block, which contains signs of protection and theft;

D _s - byte with signs of exclusion of security and theft;

CONTR - byte with signs of security modes;

S _o - updating information (0 - total, 1 - adding new);

S ₁ , S ₂ - modes for setting control points (00 - just points, 01 - route, 10 - zone, 11 - no processing);

b0-b3 - four least significant bits of a byte with signs of exclusion of guard and hijacking modes.

The functioning of the circuit according to this method is as follows (Fig.1, 2). After installing the module on the vehicle and turning on the power from the navigation satellites, the NSP ₁ -NSP _n receive signals to the signal receiver 1, where the signals are converted to digital form, determining the location coordinates of the vehicle (longitude, latitude), vehicle speed and GMT. The signal receiver is made, for example, in the form of a Gps receiver (operation A ₁ and A _{2 of} FIG. 2). Data from the receiver 1 is read by the controller 3 and stored in its memory (operation A ₃ ). When a given amount of data is accumulated, an information packet is formed, which includes the vehicle code (operation A ₄ ) and transmitted through the cellular communication system to the central control center via a dedicated communication channel 4, 7. Next, data is read from the security code input device 2, executed, for example, in the form of a key fob or a hidden button, pressing which means a command to enter the security code into the memory of controller 3 (operation A ₅ ). If there is a security code in memory, the controller 3 generates a security code attribute (operation A ₆ ) and includes it in the packet of transmitted data to the DAC (operation A ₇ ). This feature in the form of a unit is recorded in the zero bit of the D-byte of the first information block of the data packet transmitted to the DAC, where this packet is decrypted, the security code flag is allocated and the vehicle is protected (operation A ₈ ). The format of this package is shown in FIG. After sending a packet with a sign of the security code, the vehicle controller evaluates the presence of vehicle movement (operation A ₉ ). If there is movement and a sign of the security code, the controller generates a theft sign and writes it to the data packet transmitted to the DAC (operation A ₁₀ ). This feature is recorded as a unit in the seventh digit of the D-byte of the first information block of the packet (figure 5). At the DAC, the received packet is decrypted, a hijacking sign is identified, and a return message is generated in the form of a packet with the coordinates of the security zone included in it (operation A11). The format of this packet is presented in Fig.6, where the sign of the security zone is encoded in the first byte in the first and second bits (S1 = 0, S2 = 1). On the vehicle, this packet is received, decoded, and the coordinates of the security zone are recorded in non-volatile memory 5 (operation A ₁₂ ). Using the vehicle controller, the vehicle location is monitored in the security zone and the moment it leaves the zone (operation A ₁₃ ) is determined using the algorithm shown in Fig. 4. First, the contour of the security zone is placed in the controller’s memory in the coordinate system X, Y (operation A ₁₃₁ ), the lines of the zone contour are built in these coordinates (operation A ₁₃₂ ), then the coordinates of the vehicle’s location are placed on the plane inside the contour of the security zone (operation A ₁₃₃ ) build a beam, proceeding from the coordinates of the vehicle’s location and parallel to the direction of OX (operation A ₁₃₄ ), then calculate and build the points of intersection of the beam with the contour lines of the security zone (Fig. 3), calculate the number of intersections and the court according to an even number of intersections yat about the fact and moment of exit of the vehicle from the security zone (operation A ₁₃₅ -A ₁₃₈ , figure 4). After that, using the on-board controller, turn off the ignition and turn on the audible alarm, maintain the set time and turn on the ignition again and turn off the audible alarm (operations A ₁₄ -A ₁₆ ).

According to this information, the DAC takes the necessary measures, after the adoption of which (operations A ₁₇ -A ₁₈ ) they form a command to remove the sign of theft and the security code of the vehicle, write the code of this command in the lower half of the Ds byte located in any fixed data area of the packet, the format of which is shown in Fig.7, and transmit in the manner described on the vehicle (operation A ₁₉ ). In this case, the code 0000 is written in the low-order bits of this byte (b0-b3). On the TS, this packet of information is received, decoded, and the code is evaluated in the lower half of the Ds byte, in the presence of which the hijacking indicator code and the security code are excluded from the controller's memory (operation A ₂₀ -A ₂₁ ).

The security code is written to the controller’s memory when the driver exits the vehicle and the security code is generated and recorded in the information packet transmitted to the central digital reception center, where after decryption the corresponding vehicle is secured, and when it is stolen, a packet with coordinates of the security circuit is formed zone and transmit to the vehicle, where they track the moment of exit from the security zone and periodically turn off / on the ignition with an audible alarm, allows you to periodically turn off / on the movement of the vehicle at the border of the security ones that creates the illusion of a fault, psychologically acting hijacker and attracting the attention of others, thereby providing the ability to quickly find the stolen vehicle with minimal material costs. And the automatic determination of the coordinates of the vehicle allows you to timely automatically record the fact of theft and the coordinates of the corresponding vehicle.

Claims (3)

1. The method of operational tracking and control of land vehicles, which consists in the fact that the vehicle receives signals from the global satellite navigation system on the controller, the current coordinates of the vehicle are selected from the received signals, the time and speed of the vehicle are determined, and an information packet is generated with by including the vehicle number code in it and transmitting this information packet through the cellular communication system to the central control center, where information is periodically received from this and other vehicles, it is processed, stored and displayed, and in case of an emergency, a two-way voice communication is established with the driver, characterized in that when the driver exits the vehicle, a security code is recorded in the vehicle controller and when forming a packet, a sign of the security code is added to the vehicle number code from the memory of the on-board controller, which is issued at the central control room they are received from the packet of received information, identified as a signal of arming the vehicle, and when the vehicle is moving without the driver’s participation and there is a security code sign, the theft code is additionally entered into the packet of transmitted information, which is allocated at the central control center and identified as alarm signal, form a packet with the coordinates of the security zone, transmit it to the vehicle, where it is decrypted and the coordinates of the security zone are recorded in non-power mode having a memory, then the vehicle’s location in the security zone is monitored, upon exiting from which the ignition off and audible alarm signals are periodically generated for a predetermined time, after which the ignition on and off alarm signals are generated in the vehicle’s on-board subsystem, the central control center takes appropriate measures, after which they form a code to remove the sign of theft, record it in a packet transmitted by and the information vehicle, where this code is decrypted and excluded the security code and the sign of theft from the memory of the on-board controller. 2. The method according to claim 1, characterized in that the coordinates of the security zone at the central control station are formed in the form of a sequence of pairs of geodetic coordinates of latitude / longitude, forming a closed loop. 3. The method according to claim 1, characterized in that the tracking of the location of the vehicle in the security zone is carried out by combining in one coordinate system the contour of the specified security zone and the location of the vehicle, and then build a beam emanating from the location of the vehicle and parallel to one of the directions east, west, north, south, after which the number of intersections of the lines of the contour zone zone with the beam is determined, while the even number of intersections determines the moment and fact of the exit nsportnogo means of the buffer zone.

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