RU2721370C1 - Mobile inspected objects security system - Google Patents

Abstract

FIELD: communication.

SUBSTANCE: invention relates to wireless networks and specifically to systems which enable control based on location of monitoring objects. System comprises remote mobile controlled objects equipped with portable subscriber radio stations connected by means of digital trunking radio communication channels with the base ground station connected by means of the bidirectional digital communication channel of E1 standard to the central switch. Portable user radio stations are equipped with gyroscopes and alarm buttons; base station by means of digital trunked radio communication channel is connected to stationary transceiving device made in the form of microprocessor system equipped with USART synchronous-asynchronous transceiver; receiving-transmitting device through the above transceiver by means of RS-232 interface is connected to the central server of the system, and to the latter through the local network of Ethernet standard an automated workstation of the operator of the system is connected.

EFFECT: technical result is broader functional capabilities of mobile objects security system.

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Description

The invention relates to services specifically designed for wireless networks, and in particular to systems that allow control based on the location of objects of control. The system proposed in the application also contains nodes related to input devices for transmitting data to be converted into a form suitable for processing in a computer. In general, the system can be useful for ensuring security and control over the activities and condition of the employees of the enterprise.

The prior art system for the operational monitoring and control of the status of a remote object (RU 30207U1, IPC G08B 13/22, publ. 06/20/2003), including a sensor for changing a state parameter of a monitored object, means for receiving and transmitting a signal via a cellular communication line to a means to receive these signals.

A disadvantage of the known system is its low reliability, due to the fact that it can only function through GSM mobile operators.

The closest technical solution to the claimed invention and selected as a prototype is a telemechanical system for monitoring and controlling remote objects (RU 2455768 C2, IPC Н04Н 60/76, publ. 10.07.2012). The control system contains remote objects, telecontrol controllers with integrated GSM GPRS modems, peripheral communication channels, antenna-feeder devices of telecontrol controllers, GSM GPRS-channels for data transmission and reception using a software protocol based on the TCP / IP stack, antenna-feeder devices of a mobile operator, GSM GPRS server of a mobile operator, a data collection and control server, a dedicated Internet server with a static IP address and workstations.

The main disadvantages of the known system include the following:

• the dispatcher’s remote workstation requires the Internet and a stable connection to a mobile operator to control the system;

• there is no possibility of integrating the system with mobile radios;

• there is no possibility of using your own monitoring center (server) of controlled mobile objects;

• there is no possibility of outputting “Alarm” signals to the monitor of the dispatcher’s remote workstation.

• the possibility of generating reports on events of controlled objects is not provided: passing along route points, deviating from the route, staying in specified monitoring zones, as well as other events, at the operator’s choice;

• There is no provision for sending reports to selected email addresses of responsible employees.

The technical problem to which the claimed invention is directed is to expand the functionality of the security system for mobile objects.

This problem is solved in that the security system of mobile controlled objects contains remote mobile controlled objects equipped with portable subscriber radio stations connected via digital trunked radio communication channels to a ground-based station connected via an E1 standard bi-directional digital communication channel to a central switch. The security system differs from its known analogues in that portable subscriber radios are equipped with gyroscopes and panic buttons; the base station is connected to the stationary transceiver device in the form of a microprocessor system equipped with a synchronous-asynchronous transceiver USART through a digital trunked radio channel; the transceiver through the aforementioned transceiver is connected via the RS-232 interface to the central server of the system, and the latter is connected via an Ethernet standard local area network to the workstation of the security system operator.

A positive technical result provided by the features of the system disclosed above is to ensure the safe movement of mobile controlled objects and the ability to quickly transmit an alarm to the automated workstation of the system operator, which generally provides continuous monitoring of the activities and condition of employees, as well as the operator’s prompt response to occurrence contingencies during maintenance of operational facilities.

The invention is illustrated by drawings, where in FIG. 1 shows a block diagram of a security system; in FIG. 2 shows a block diagram of a portable subscriber radio station; in FIG. 3, 4 shows the structure of the user interface of the workstation of the operator "AWS" Sphere "; in FIG. 5, 6 are flowcharts illustrating the principles of operation of the “Alarm or Fall” and “Alarm Button” functions; in FIG. 7 shows a control scheme for the movement of controlled objects with fixing deviations from a given route; in FIG. 8 is a diagram of a given observation zone.

The security system for mobile controlled facilities has the following composition and structure.

The system consists of remote controlled mobile objects, each of which is equipped with a portable subscriber radio station 1, which can be used as mobile terminals of the THR9i, THR9Ex, TH1n ¹ models ( ¹ AIRBUS (Cassidian) Tetra // Airbus Cassidian TETRA subscriber equipment. URL: https: //cassidiantetra.ru/solutions/Abonentskoe-oborudovanie/ (accessed: 03/12/2019)). Through digital trunked radio communication channels, subscriber radios 1 are connected to a ground base station 2, for example, EADS TETRA TV3 ² ( ² TV3 full-size (modular) BS - up to 4 AIRBUS (Cassidian) Tetra // Airbus Cassidian TETRA transceivers can be used . URL: https://cassidiantetra.ru/solutions/cart/Bazovye-stantcii/TB3-i-TB3c/ (accessed: 03/12/2019). The ground base station 2 is connected to the central switch 3 using an E1 bi-directional digital communication channel, which can be used as a DXT3 ³ ( ³ DXT3 transit-terminal switch (320 carriers) AIRBUS (Cassidian) Tetra // Airbus Cassidian TETRA switch-terminal. URL: https://cassidiantetra.ru/solutions/cart/Kommutatory/DXT3/ (accessed: 03/12/2019)).

The base station 2 is connected via a digital trunked radio channel to a stationary transceiver 4 made in the form of a microprocessor system equipped with a synchronous-asynchronous USART transceiver. A personal computer equipped with a TETRA ⁴ radio modem ( ⁴ Integrated TETRA radio modem for telemetry transmission // Airbus. Cassidian Tetra. URL: https://cassidiantetra.ru/news/cart/Novosti/Vstraivaemyi-radiomodem-TETRA- dlya-peredachi-telemetrii / (accessed: 03/14/2019)) (5). The transceiver 4 through the aforementioned transceiver is connected via the RS-232 interface to the central server 6 of the system, and the latter using an Ethernet standard local area network is connected to the workstation of the operator 7 of the security system.

The central server 6 is a computer with the software installed on it necessary for the server to interact with the operator’s workstation 7 and the SQL server serving the security system database. Data from portable subscriber radio stations 1 of the monitored objects is transmitted to the central server 6 via the radio channel and contains information on GPS coordinates, speed of movement and azimuth of the monitored objects, as well as on the change in the state of the gyro of the radio stations. The initiation of the process of data transmission from radio stations 1 of controlled objects to the central server 6 occurs both from the side of the radio stations and upon request from the server with a time interval adjustable by the operator.

The operator’s automated workstation 7 is based on a personal computer with the Sphere workstation software installed on it, which is a specialized automated monitoring system implemented as a window application running under the MS Windows operating system. The number of workstations 7 is determined by the number of available hardware access keys. The operator of the workplace 7 starts the monitoring system under his account, which allows you to configure the capabilities and limitations of the application individually for each user. All operator actions for the last month are logged on the central server 6 to ensure the possibility of restoring lost information in case of possible erroneous actions.

Each of the portable subscriber radio stations 1, in addition to the option of using the well-known mobile terminals mentioned above, to ensure the performance of functions unique and necessary for a specific type of production activity, can be made individually from known electronic nodes and components. In this case, a subscriber radio station can be built on the basis of a thirty-two-bit microcontroller based on the STM32 ⁵ architecture ( ⁵ NUCLEO-F411RE, Debug board based on the MCU STM32F411RET6 // Chip and Dip. URL: https://www.chipdip.ru/product/ nucleo-f411re-2 (accessed: 03/14/2019)) and have a generalized structure, described below (Fig. 2).

The radio station contains a microcontroller, including a microprocessor core 8 connected via a system bus with FLASH-memory of programs 9, SRAM-memory of data 10, non-volatile electrically programmable memory EEPROM 11 and four universal eight-bit bi-directional input-output ports 12, 13, 14 and 15. A TFT display 16 is connected to the first I / O port 12, a button keyboard 17 is connected to the second I / O port 13, a gyroscope 18, made, for example, based on microcircuits, is connected to the third I / O port 14 ADXL345 GY291 ^{6 (6} Gyroscope ADXL345 GY291 // AliExpress URL:. Https://ru.aliexpress.com/item/ADXL345-GY291-Digital-3Axis-Tiple-Gravity-Accelerometer-Sensor-Detector-ADXL345-GY-291- Electronic-DIY-5v-13Bit / 32619439512 (accessed: 03/14/2019)), panic button 19 and buzzer 20, and four-bit serial interfaces for programming control registers (SPI) 21 and data transmission are connected to the fourth I / O port 15 ( SSI) 22 of the shaper of the modulating signal, which can be built on the basis of the domestic chip 1321XD2U ⁷ ( ⁷ 1321XD2U. Description and parameters // Milander URL: https://ic.milandr.ru/products/radiochastotnye_mikroskhemy/1321khd2u/ (accessed: 03/14/2019). The mentioned four-bit serial interfaces 21 and 22 are connected to the information signal processing unit 23, to which the analog-digital and digital-to-analogue converters 24 and 25 are connected, as well as the transceiver 26 connected to the external antenna 27. To the analog-digital input and the digital-to-digital output analog converters 24 and 25 are connected, respectively, a microphone and a speaker.

Next, we consider the window user interface of the “Sphere” workstation application installed on the operator’s automated workstation 7, which allows efficiently performing monitoring tasks of controlled objects. Its structure and purpose of the main controls are given below.

The main screen form of the program contains a panel 28 containing a set of pictographic buttons and a main work area displaying a map on which are monitored objects and additional controls (Fig. 3, 4).

The following table briefly describes the commands performed by the set of icon buttons on the panel 28.

The main work area includes a panel for working with cards 37, which displays one or more cards, a working panel 38, designed to work with various modes of the system, with each of the panel tabs having its own set of controls. For example, in FIG. 4, the operation panel 38 is presented in the search mode of controlled objects and contains the following control elements:

• “Find” button 39 - allows you to search for objects according to a number of conditions specified by the operator;

• button “On the map” 40 - allows you to show controlled objects in the center of the panel for working with cards;

• button “Object window” 41 - allows you to display additional information about the objects of control (speed, location, status, and others) on the side panel of properties 42;

• field with a list (listbox) 43 - allows you to view a list of found controlled objects.

To facilitate the identification of controlled objects, several options for their display on the map are provided. The controlled object is depicted as a pictogram icon, which is a stylized image of a person connected by a connecting line to a plate containing the name of the object. There is a separation of controlled objects into logical types by categories: management, engineering staff, workers. The color and shape of the icons can be changed by the operator.

For the operator's quick response to alarms, a visual and audible alert is provided in the user interface. In the event of an emergency, the button 31 “Events of controlled objects” is activated, on the operating panel 38 the tab “Events” opens, where the message about the incident appears, accompanied by a large flashing triangle with an exclamation mark “!” in the center of the screen and sound notification. The “Events” tab displays current information about the state of the monitored object, the type of alarm (alarm or drop), the time of the emergency and the phone number of the radio station. When an alarm is detected, the operator is obliged to confirm the elimination of false alarms, make a call to the radio station of the controlled object from which the alarm was received, verify the reliability of the alarm and take an operational decision to provide first aid to the victim.

The operation of the security system of mobile controlled objects will be examined by examples.

Example 1. Manual activation of an alarm.

In the event of a dangerous situation, the employee presses the alarm button 1 on the portable subscriber radio station 19. The microprocessor core 8 of the microcontroller, in accordance with the instructions of the control program recorded in the FLASH-memory of the programs, continuously polls the I / O port 14, fixes the button press, activates the buzzer 20 and automatically transmits an alarm signal and the current state of the monitored object using the shaper of the modulating signal to the central switch 3 through the base station 2 posr dstvom radio. The central switch 3, having processed the information, returns it to the base station 2, which, in turn, transmits the state of the monitored object to the central monitoring server 6 via a radio channel through the transceiver 4. On the central server 6, the status signal of the monitored object is recorded, processed, and sent to Operator’s workstation 7. Next, the operator, to confirm the elimination of false positives, dials into the radio station of the controlled object, from which upil alarm, and make operational decisions in first aid to the victim. In parallel, the central server 6 sends an e-mail to the head of the structural unit, to whose employee the radio station that caused the alarm belongs, with the status of the monitored object recorded in the report. A block diagram of the operations performed by the security system is shown in FIG. 5. The time from pressing the panic button to an alarm on the monitor of the operator’s workstation 7 is 2.6 seconds (Fig. 5).

Example 2. Automatic alarm transmission.

подтверждающий ее активацию. Далее работник приступает к выполнению своих производственных обязанностей, при этом микропроцессорное ядро 8 микроконтроллера в соответствии с инструкциями управляющей программы, записанной во FLASH-памяти программ 9, постоянно производит опрос гироскопа 18. В случае, если радиостанция 1 не находится в вертикальном положении более определенного наперед заданного интервала времени (по умолчанию он составляет 5 сек), радиостанцией автоматически генерируется звуковой сигнал тревоги с помощью зуммера 20. Если работник услышал звуковой сигнал и при этом он является ложным срабатыванием (например, выполняются какие-либо работы, при которых радиостанция не может находиться в вертикальном положении), то для отключения зуммера 20 и отмены передачи сигнала тревоги системе безопасности, работник должен нажать на клавиатуре 17 радиостанции 1 соответствующую кнопку отмены вызова. При игнорировании звукового сигнала тревоги работником в течение 5 сек, сигнал тревоги через базовую станцию 2 отправляется на сервер системы 6 и далее поступает на автоматизированное рабочее место оператора 7 с параллельной записью времени события в энергонезависимой электрически перепрограммируемой памяти EEPROM 11 и отправкой электронного письма руководителю структурного подразделения, к которому принадлежит радиостанция, с фиксацией состояния контролируемого объекта в отчете. После срабатывания сигнала тревоги функция «Тревога или падение» автоматически отключается. Время от срабатывания сигнала тревоги до его появления на мониторе автоматизированного рабочего места оператора 7 составляет 12,6 сек (фиг. 6).To activate automatic transmission of an alarm signal, the “Alarm or drop” function is preliminarily activated by turning on the gyroscope 18 of radio station 1. To do this, the employee presses and holds the “#” key (lattice) on the keyboard 17 of radio station 1. After activating the “Alarm or drop ”, an information icon appears on the top line of the TFT display 16

confirming its activation. Next, the employee proceeds to fulfill his production duties, while the microprocessor core 8 of the microcontroller, in accordance with the instructions of the control program recorded in the FLASH-memory of programs 9, constantly polls the gyroscope 18. In case the radio station 1 is not in a vertical position more than certain of the set time interval (by default it is 5 seconds), the radio automatically generates an audible alarm with the buzzer 20. If the employee heard an audible signal and at the same time it is a false positive (for example, any work is performed in which the radio station cannot be in the vertical position), then to disable the buzzer 20 and cancel the alarm transmission to the security system, the employee must press the corresponding button on the keyboard 17 of the radio station 1 call cancellation. If the employee ignores the audible alarm for 5 seconds, the alarm through the base station 2 is sent to the server of the system 6 and then goes to the operator’s workstation 7 with parallel recording of the event time in the non-volatile electrically reprogrammed memory EEPROM 11 and sending an email to the head of the structural unit , to which the radio station belongs, with the fixation of the state of the controlled object in the report. After the alarm is triggered, the “Alarm or drop” function is automatically disabled. The time from the alarm to its appearance on the monitor of the operator’s workstation 7 is 12.6 seconds (Fig. 6).

исчезнет. Функция «Тревога или падение» работает независимо от сигнала спутниковой навигационной системы GPS. Последняя позволяет добавить определение текущего местоположения контролируемого объекта с привязкой к картографической подложке. Если при отправке тревожного сигнала на автоматизированное рабочее место оператора 7 радиостанция контролируемого объекта не получает сигнал GPS, то на мониторе оператора отображается последнее известное местоположение контролируемого объекта на карте.In the event of a false alarm, to further continue the work, the employee must reactivate the "Alarm or Fall" function in the manner described above. To forcibly disable the function, press and hold the “#” key (pound) on the keyboard 17 of radio station 1. After disabling the “Alarm or Fall” function, the icon in the upper line of the display

will disappear. The Alarm or Fall function works independently of the signal from the GPS satellite navigation system. The latter allows you to add a definition of the current location of the controlled object with reference to the cartographic substrate. If, when sending an alarm to the operator’s workstation 7, the radio station of the controlled object does not receive a GPS signal, then the last known location of the controlled object on the map is displayed on the operator’s monitor.

Example 3. Tracking the movement of controlled objects along a given route and in specified monitoring zones.

To ensure the safety of mobile objects and control executive discipline of employees, the system provides the ability to track the movement of controlled objects with fixing deviations from a given route (Fig. 7) and control the stay of objects in predetermined observation zones (Fig. 8). The system allows you to create various routes for controlling the movement of objects, for example, when an employee performs a walk around the territory. The route of the controlled object is determined jointly with the head of the structural unit to which the radio station belongs. When the controlled object deviates from the route, the corresponding warning signal is automatically sent to the operator’s workstation 7 with the parallel sending of an e-mail to the head of the structural unit to which the radio station belongs, with a report of the deviation of the object from the movement route.

Monitoring the stay of controlled objects in the specified monitoring zones (Fig. 8) helps to increase executive discipline of workers when performing production work at the objects. The system allows you to create various monitoring zones for the control of workers during work at the facilities. The observation zone is understood as an open area of the territory on which remote production sites where work is performed are located. Observation zones also include areas of increased attention. Observation zones of controlled objects are determined jointly with the head of the structural unit to which the radio station belongs. When the controlled object leaves the surveillance zone, the corresponding warning signal is sent to the operator’s workstation 7 with an electronic message sent to the head of the structural unit to which the radio station is parallel, with the report deflecting the object from the driving route.

Thus, the security system of mobile controlled objects considered in this application provides for monitoring and obtaining reliable information from controlled mobile objects in a continuous mode. This allows you to reduce the response time of the operator to emergency situations when servicing production facilities, as a result of which the safety and administrative control of workers at production facilities is greatly increased. There is the possibility of flexible reporting on events occurring with objects, for example, walking along route points, deviating from the route, adding / editing local monitoring zones, staying in specified monitoring zones and others. Additionally, the system provides the ability to send reports to selected e-mail addresses via corporate email. Also, as a result of the operation of the system, the operator has the opportunity to simulate contingencies with the development of scenarios for responding to an alarm signal, based on the results of which, an analysis of measures is carried out with the adoption of corrective actions for each simulated situation.

Claims (4)

1. A security system for mobile controlled facilities, comprising remote mobile controlled facilities equipped with portable subscriber radios connected via digital trunked radio channels to a base station connected via a bi-directional digital communication channel of standard E1 to a central switch, characterized in that the portable subscriber radios equipped with gyroscopes and panic buttons; the base station is connected via a digital trunked radio channel to a stationary transceiver device made in the form of a microprocessor system equipped with a synchronous-asynchronous USART transceiver; the transceiver through the said transceiver via the RS-232 interface is connected to the central server of the system, and the latter using an Ethernet LAN is connected to the workstation of the security system operator. 2. The security system for mobile controlled facilities according to claim 1, characterized in that each portable subscriber radio station is a THR9Ex terminal. 3. The security system for mobile controlled facilities according to claim 1, characterized in that the EADS TETRA TV3 station is used as the base station. 4. The security system for mobile controlled facilities according to claim 1, characterized in that each portable subscriber radio station contains a microcontroller including a microprocessor core connected via a system bus with program FLASH memory, data SRAM, non-volatile electrically programmable memory EEPROM and four universal eight-bit bi-directional I / O ports; a TFT display is connected to the first I / O port, a button keyboard is connected to the second I / O port, a gyroscope, panic button and buzzer are connected to the third I / O port, and four-bit serial control register programming interfaces are connected to the fourth I / O port and data transmission of the shaper of the modulating signal.

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