CN113055900A - Flow guide equipment management method and device for rail transit station - Google Patents
Flow guide equipment management method and device for rail transit station Download PDFInfo
- Publication number
- CN113055900A CN113055900A CN202110199680.4A CN202110199680A CN113055900A CN 113055900 A CN113055900 A CN 113055900A CN 202110199680 A CN202110199680 A CN 202110199680A CN 113055900 A CN113055900 A CN 113055900A
- Authority
- CN
- China
- Prior art keywords
- positioning
- flow guide
- equipment
- information
- station
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
- 238000007726 management method Methods 0.000 title claims description 82
- 238000000034 method Methods 0.000 claims abstract description 31
- 230000004044 response Effects 0.000 claims abstract description 13
- 238000004458 analytical method Methods 0.000 claims description 29
- 238000012544 monitoring process Methods 0.000 claims description 26
- 230000006870 function Effects 0.000 claims description 23
- 230000005540 biological transmission Effects 0.000 claims description 20
- 238000009434 installation Methods 0.000 claims description 15
- 238000004891 communication Methods 0.000 claims description 10
- 238000005516 engineering process Methods 0.000 claims description 10
- 230000007613 environmental effect Effects 0.000 claims description 10
- 238000007619 statistical method Methods 0.000 claims description 10
- 238000004422 calculation algorithm Methods 0.000 claims description 5
- 238000004364 calculation method Methods 0.000 claims description 5
- 238000010586 diagram Methods 0.000 description 11
- 230000002093 peripheral effect Effects 0.000 description 6
- 230000002159 abnormal effect Effects 0.000 description 5
- 230000008520 organization Effects 0.000 description 4
- 238000004590 computer program Methods 0.000 description 3
- 238000007781 pre-processing Methods 0.000 description 2
- 230000008569 process Effects 0.000 description 2
- 238000012545 processing Methods 0.000 description 2
- 238000011084 recovery Methods 0.000 description 2
- 238000009877 rendering Methods 0.000 description 2
- 230000005856 abnormality Effects 0.000 description 1
- 230000002457 bidirectional effect Effects 0.000 description 1
- 230000002354 daily effect Effects 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000003203 everyday effect Effects 0.000 description 1
- 239000000835 fiber Substances 0.000 description 1
- 238000007689 inspection Methods 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 239000011159 matrix material Substances 0.000 description 1
- 238000005457 optimization Methods 0.000 description 1
Images
Classifications
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W16/00—Network planning, e.g. coverage or traffic planning tools; Network deployment, e.g. resource partitioning or cells structures
- H04W16/18—Network planning tools
- H04W16/20—Network planning tools for indoor coverage or short range network deployment
-
- G06Q50/40—
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W4/00—Services specially adapted for wireless communication networks; Facilities therefor
- H04W4/02—Services making use of location information
- H04W4/021—Services related to particular areas, e.g. point of interest [POI] services, venue services or geofences
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W4/00—Services specially adapted for wireless communication networks; Facilities therefor
- H04W4/02—Services making use of location information
- H04W4/023—Services making use of location information using mutual or relative location information between multiple location based services [LBS] targets or of distance thresholds
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W64/00—Locating users or terminals or network equipment for network management purposes, e.g. mobility management
- H04W64/006—Locating users or terminals or network equipment for network management purposes, e.g. mobility management with additional information processing, e.g. for direction or speed determination
Abstract
The application discloses a method and a device for managing flow guide equipment of a rail transit station. The method comprises the following steps: acquiring preset deployment information of the flow guide equipment based on collected flow guide equipment characteristics of the station, wherein the flow guide equipment characteristics comprise mobility, placement length and placement width of the flow guide equipment; in response to the obtained overall characteristics of the station, different positioning equipment deployment plans are made, and the positioning labels and the positioning base stations are distributed and installed according to the positioning equipment deployment plans; and resolving space coordinate information of the positioning label based on the collected UWB pulse signals between the positioning label and the positioning base station, and acquiring actual placement information of the flow guide equipment by combining preset deployment information of the flow guide equipment. The problems that in the prior art, due to the fact that manual management is mainly adopted by a vehicle station diversion device, operators cannot master the position of the diversion device in real time easily, the layout of the device cannot adapt to passenger flow requirements easily, the diversion device needs to be carried and adjusted for multiple times, storage and management of the device are difficult, and the workload of the operators is large are solved.
Description
Technical Field
The embodiment of the application relates to the technical field of rail transit equipment management, in particular to a method and a device for managing diversion equipment of a rail transit station.
Background
With the rapid development of rail transit, more and more passengers select rail transit to travel, and a station usually presents large passenger flow in the early and late peak periods, which causes the increase of potential safety hazards and the difficulty of management. In order to ensure normal passenger outgoing and maintain the order in the station, diversion equipment is arranged at the station platform, station halls, channels, gates and other positions to limit the number of passengers entering the station, slow down the flow rate of the passengers, standardize the behavior of the passengers and ensure the passengers to walk safely in the station in order.
At present, the rail transit station mainly adopts a technical means of arranging a metro and other flow guide device matrix as a scheme for dealing with a large passenger flow organization. According to the characteristics of rail transit passenger flow and station environment, the deployment requirements of the diversion equipment present different characteristics, for example, the diversion equipment needs to be deployed every day, the quantity and the placement positions of the equipment needed in different time intervals in one day are different, the quantity and the daily requirement are different in special periods such as large-scale activities or holidays, and different quantities of equipment need to be deployed at a plurality of key positions in a complex station space. However, at present, the configuration quantity and the deployment mode of the diversion equipment in the station are based on the working experience of operation managers, and according to the historical characteristics of passenger flows in different time periods, the operation personnel carry the diversion equipment to a specified position in advance and regularly tour the station to monitor and adjust the position and the state of the equipment. In the prior art, the station diversion equipment has the problems that an operator is difficult to master the position of the diversion equipment in real time, the equipment layout is difficult to adapt to the passenger flow demand, the diversion equipment needs to be carried and adjusted for many times, the equipment is difficult to store and manage, the workload of the operator is large and the like due to a mode of mainly manual management.
Disclosure of Invention
The embodiment of the application aims to provide a method and a device for managing flow guide equipment of a rail transit station, so that the problem that the position of the flow guide equipment of the station is difficult to determine, operators need to regularly patrol the flow guide equipment, check whether the deployment position and the number are abnormal or not, timely adjust the deployment position and the number to a specified position and state is solved, the workload is large, and the efficiency is low; meanwhile, the station diversion equipment is difficult to store and manage, the specific position of the temporary recovery equipment is difficult to master, and the technical problems that the equipment is complex to check and is easy to lose and the like are caused.
In a first aspect, an embodiment of the present application provides a method for managing diversion equipment at a rail transit station, where the method includes:
s1: acquiring preset deployment information of the flow guide equipment based on collected flow guide equipment characteristics of the station, wherein the flow guide equipment characteristics comprise mobility, placement length and placement width of the flow guide equipment;
s2: in response to the obtained overall characteristics of the station, different positioning equipment deployment plans are made, and the positioning labels and the positioning base stations are distributed and installed according to the positioning equipment deployment plans;
s3: and resolving space coordinate information of the positioning label based on the collected UWB pulse signals between the positioning label and the positioning base station, and acquiring actual placement information of the flow guide equipment by combining preset deployment information of the flow guide equipment.
In the method, different positioning equipment deployment modes are set in a station flow guide equipment area for installing sensor equipment; measuring and collecting signals between the installed positioning tag and a positioning base station; and resolving the position information of the positioning label, and determining the placing position and the placing direction of the flow guide equipment according to the preset deployment information of the flow guide equipment.
In some embodiments, after the step S3, the method further includes comparing the actual placement information of the diversion equipment with the preset deployment information of the diversion equipment, sending an early warning and retrieving the real-time environmental characteristic information and the real-time passenger flow characteristic information of the diversion equipment in response to the comparison result that the actual placement information of the diversion equipment and the preset deployment information of the diversion equipment exceed the threshold, and obtaining a dynamic adjustment plan of the diversion equipment by using intelligent matching analysis. The execution main body judges the position direction of the actual placement information of the flow guide equipment and the preset deployment information of the flow guide equipment, and timely sends out early warning information when judging whether deviation occurs.
In some embodiments, in step S2, a deployment plan of the positioning device is obtained by using a zero-dimension and two-dimension mixing method, and the installation operation of the positioning base station is performed by one or a combination of a bracket, a ceiling and a side wall. Zero-dimensional positioning and two-dimensional positioning so as to be suitable for the deployment plan of positioning base stations in different areas.
In some embodiments, in step S3, the TOA and TDOA hybrid algorithm is used, and the time difference of the UWB pulse signal arriving at different positioning base stations are combined to determine the corresponding spatial coordinate position of the positioning tag. The final positioning is realized by measuring the time and the time difference of the positioning label to a plurality of different positioning base stations, and the positioning accuracy is effectively improved.
In some embodiments, the overall characteristic information of the station includes environmental characteristic information, passenger flow characteristic information, and diversion device characteristic information. By comprehensively analyzing and processing the environmental characteristic information, the customer flow characteristic and the diversion equipment characteristic information, the positioning equipment deployment plan can be deployed according to the actual station overall characteristic information, so that the positioning space obtained by the positioning equipment deployment plan is more in line with the actual placement information of the diversion equipment of the actual station.
In some embodiments, each positioning tag corresponds to a unique number and communicates with the positioning base station in real time within the coverage area of the positioning base station. And acquiring UWB pulse signals between the positioning label with the unique number and the positioning base station to obtain the space position of the flow guide equipment on the positioning label corresponding to the unique number.
In a second aspect, an embodiment of the present application provides a flow guide device management apparatus for a rail transit station, where the apparatus includes: the acquisition and deployment module is configured to obtain preset diversion equipment deployment information based on the collected diversion equipment characteristics of the station, make different positioning equipment deployment plans in response to the obtained overall characteristics of the station, and perform distributed installation of the positioning labels and the positioning base stations according to the positioning equipment deployment plans; the information transmission module is configured for utilizing UWB technology to acquire UWB pulse signals between the positioning labels and the positioning base stations, and transmitting the UWB pulse signals to the system resolving module through TCP/IP communication; and the system resolving module is configured to resolve space coordinate information of the positioning tag based on the received UWB pulse signal between the positioning tag and the positioning base station, and obtain actual placement information of the flow guide equipment by combining with preset deployment information of the flow guide equipment.
In some embodiments, the device further comprises an application management module, wherein the application management module specifically comprises an electronic calibration unit, a state real-time monitoring unit, an intelligent analysis early warning unit and a comprehensive management unit, wherein the electronic calibration unit is configured to receive actual placement information of the flow guide equipment in real time and calibrate and display geographical position information of the flow guide equipment in real time in a station electronic map; the state real-time monitoring unit is configured for monitoring the state of the flow guide equipment in real time on line and providing real-time on-line positioning, tracking, inquiring and retrieving functions of the state of the flow guide equipment; the intelligent analysis early warning unit is configured to compare and interpret actual placement information with preset diversion equipment deployment information, send out early warning and retrieve real-time environmental characteristic information and real-time passenger flow characteristic information of the diversion equipment in response to the fact that the actual placement information and the preset diversion equipment deployment information exceed a threshold value, and obtain a dynamic adjustment plan of the diversion equipment by means of intelligent matching analysis; the comprehensive management unit specifically comprises a positioning equipment management subunit, a diversion equipment management subunit and a statistical analysis management subunit, wherein the positioning equipment management subunit is configured and used for managing a positioning label, an ID number, a type and a model of a positioning base station, a monitoring type, an installation position, the positioning label and the basic configuration of the positioning base station; the flow guide equipment management subunit is configured for managing the ID number, the type and the model, the current position, the historical placement position and the basic configuration of the flow guide equipment; and the statistical analysis management subunit is configured to display the use condition and the early warning information of the diversion equipment in a plurality of chart forms.
In a third aspect, an embodiment of the present application provides an electronic device, including: one or more processors and storage for computing and storing one or more programs which, when executed by the one or more processors, cause the one or more processors to implement a method as described in any implementation of the first aspect.
According to the method and the device for managing the flow guide equipment of the rail transit station, different positioning equipment deployment modes are set in a station flow guide equipment area to install sensor equipment; measuring and collecting signals between the installed positioning tag and a positioning base station; and resolving the position information of the positioning label, and determining the placing position and the placing direction of the flow guide equipment according to the preset deployment information of the flow guide equipment. In addition, according to the position and state information of the diversion equipment, alarms are sent out in various forms such as a sound prompt box and a text prompt box when abnormality occurs, intelligent analysis and digital calibration are carried out on the equipment state, the equipment use condition and the like, and a reference basis is provided for formulating an effective passenger flow organization scheme. It effectively solves the following problems existing in the prior art: (1) because the position of the station flow guide equipment is difficult to determine, operators are difficult to master the real-time layout and adjustment scheme of the station flow guide equipment, the occupied station space is likely to be caused, and the trip efficiency of passengers is likely to be influenced; (2) operators deploy the diversion equipment according to management experience, so that scientificity and effectiveness of an equipment deployment scheme are difficult to guarantee, and passenger travel efficiency is possibly reduced; (3) operators need to regularly patrol the diversion equipment, check whether the deployment positions and the number are abnormal, and timely adjust the deployment positions and the number to the specified positions and states, so that the workload is large, and the efficiency is low; (4) the storage and management of the station diversion equipment are difficult, the specific position of the temporary recovery equipment is difficult to master, and the technical problems that the equipment is complex to check, the equipment is easy to lose and the like are caused.
Drawings
Other features, objects and advantages of the present application will become more apparent upon reading of the following detailed description of non-limiting embodiments thereof, made with reference to the accompanying drawings in which:
FIG. 1 is an exemplary system architecture diagram in which the present application may be applied;
fig. 2 is a flowchart of an embodiment of a flow guide device management method of a rail transit station according to the present application;
fig. 3 is a schematic structural diagram of an embodiment of a guide device management apparatus of a rail transit station according to the present application;
fig. 4 is a logical architecture diagram of an embodiment of a guide device management apparatus for a rail transit station according to the present application;
fig. 5 is a schematic structural diagram of an embodiment of a guide device management apparatus of a rail transit station according to the present application;
FIG. 6 is a schematic block diagram of a computer system suitable for use in implementing an electronic device according to embodiments of the present application.
Detailed Description
The present application will be described in further detail with reference to the following drawings and examples. It is to be understood that the specific embodiments described herein are merely illustrative of the relevant invention and not restrictive of the invention. It should be noted that, for convenience of description, only the portions related to the related invention are shown in the drawings.
It should be noted that the embodiments and features of the embodiments in the present application may be combined with each other without conflict. The present application will be described in detail below with reference to the embodiments with reference to the attached drawings.
Fig. 1 shows an exemplary system architecture 100 to which the guidance device management method for a rail transit station according to the embodiment of the present application may be applied.
As shown in fig. 1, system architecture 100 may include terminal device 101, network 102, and server 103. Network 102 is the medium used to provide communication links between terminal devices 101 and server 103. Network 102 may include various connection types, such as wired, wireless communication links, or fiber optic cables, among others.
The operator may use the terminal device 101 to interact with the server 103 via the network 102 to receive or send messages or the like. Various communication client applications, such as drawing-type applications, instant messaging tools, search-type applications, web browser applications, and the like, may be installed on the terminal device 101.
The terminal device 101 may be various electronic devices including, but not limited to, a mobile terminal such as a mobile phone, a notebook computer, a digital broadcast receiver, a PDA (personal digital assistant), a PAD (tablet computer), etc., and a fixed terminal such as a digital TV, a desktop computer, etc.
The server 103 may be a server providing various services, for example, a server that obtains the actual placement information of the guidance device by calculating the spatial coordinate information of the positioning tag on the terminal device 101 and combining with the preset information of the guidance device deployment. The resolving server may send information such as the spatial coordinates of the resolved positioning tag to the terminal device.
It should be noted that the guidance device management method for the rail transit station provided in the embodiment of the present application is generally executed by the terminal device 101, and accordingly, a guidance device management apparatus for the station is generally disposed in the terminal device 101.
It should be understood that the number of terminal devices, networks, and servers in fig. 1 is merely illustrative. There may be any number of terminal devices, servers, etc., as desired for an implementation.
With continued reference to fig. 2, a flowchart 200 of one embodiment of a method for managing a diversion device for a rail transit stop according to the present application is shown. The method comprises the following steps:
step 201, obtaining preset deployment information of the flow guiding device based on collected characteristics of the flow guiding device of the station, wherein the characteristics of the flow guiding device include mobility, placement length and placement width of the flow guiding device.
In this embodiment, first, the mobility of the flow guide device is determined, and according to the mobility, the flow guide device may be specifically divided into a mobile flow guide device, a fixed flow guide device, and a hybrid flow guide device, and then the actual placement length, the actual placement width, and the actual placement orientation of the flow guide device in the mobile flow guide device, the fixed flow guide device, and the hybrid flow guide device are respectively counted, and the deployment preset information of the flow guide device is obtained by summarizing.
Step 202, in response to the obtained overall characteristics of the station, making different positioning device deployment plans, and performing distributed installation of the positioning tags and the positioning base stations according to the positioning device deployment plans.
In this embodiment, a positioning device deployment plan is determined according to station environment characteristic information, passenger flow characteristic information, and diversion device characteristics. The positioning equipment deployment plan mainly adopts zero-dimensional positioning and two-dimensional positioning modes, the zero-dimensional positioning mode is suitable for areas such as management rooms for storing the diversion equipment, and the like, only the diversion equipment needs to be judged whether exists in the area, and only 1 positioning base station and a plurality of positioning labels need to be deployed by adopting the zero-dimensional positioning mode; the two-dimensional positioning mode is suitable for large-range areas such as platforms, station halls, entrances and exits, security inspection ports and the like, the accurate position and the specific deployment mode of the flow guide equipment need to be mastered in real time, the two-dimensional positioning mode needs to deploy positioning base stations according to the conditions of the shape, the area, signal shielding and the like of the deployment area, and more than 4 positioning base stations need to be deployed in principle.
In some specific embodiments, the diversion device is passenger flow guiding device installed in a relevant area of a station, and is provided with a plurality of positioning tags, and each diversion device corresponds to an electronic positioning tag with a unique number. The positioning label is arranged on the station flow guide equipment and used for collecting the position and state information of the flow guide equipment, and when the positioning label of the flow guide equipment enters the signal coverage range of the positioning base station, the positioning label is communicated with the positioning base station. The positioning base station is arranged in areas such as station halls, stations, channels, security check, entrances and exits and the like where station flow guide equipment needs to be deployed, wireless bidirectional data exchange is carried out between the positioning base station and the positioning tags through UWB positioning channels, and real-time acquisition of signal positions of the positioning tags is achieved.
And 203, calculating the space coordinate information of the positioning label based on the collected UWB pulse signals between the positioning label and the positioning base station, and obtaining the actual placement information of the flow guide equipment by combining the preset deployment information of the flow guide equipment.
In this embodiment, an ultra-wideband technology is adopted to analyze, collect and measure UWB pulse signals between an installed positioning tag and a positioning base station, and preprocess, calculate, analyze and manage the collected data, the space coordinate information of the positioning tag is solved by adopting a TOA and TDOA hybrid algorithm, and the actual placement position and the placement direction of the flow guiding device are analyzed and calculated by combining with the preset deployment information of the flow guiding device. The position information of the positioning label on the station diversion equipment is solved by utilizing a TOA and TDOA mixed algorithm, and the final positioning is realized by measuring the time and the time difference of the positioning label to a plurality of different positioning base stations. In the aspect of clock synchronization, only the clock synchronization between the positioning base stations is needed, and the clock synchronization of the positioning labels and the positioning base stations is not needed, so that the positioning accuracy is effectively improved.
In some particular embodiments, map engine techniques and flow guiding device state resolution techniques are also utilized. The map engine technology can realize geographic data driving and management, support the realization of functions such as rendering and query, and realize the functions such as loading and maintenance of the station electronic map and display of the flow guide equipment on the electronic map by calling a functional interface provided by the map engine. And matching the position information of the positioning label with the preset deployment information of the flow guide equipment preset by a user by using the flow guide equipment state analysis technology, and analyzing and calculating the placing position and the placing direction of the flow guide equipment.
In this embodiment, the method further includes comparing the actual placement information of the diversion device with the preset deployment information of the diversion device, responding to the comparison and judgment that the actual placement information of the diversion device and the preset deployment information of the diversion device exceed a threshold, sending out an early warning, retrieving the real-time environmental characteristic information and the real-time passenger flow characteristic information of the diversion device, and obtaining a dynamic adjustment plan of the diversion device by using intelligent matching analysis. And matching the arrangement position and the direction of the flow guide equipment preset by a user with the real-time position and the direction information of the flow guide equipment calculated by the system, judging whether the actual state of the equipment deviates from the preset state, and sending alarm information of the flow guide equipment. Meanwhile, according to the real-time position information of the flow guide equipment label, peripheral video monitoring equipment and other monitoring data and monitoring systems of the rail transit station are linked, the peripheral real-time scene and passenger flow characteristics of the position of the flow guide equipment are obtained, and a dynamic adjustment plan of the flow guide equipment is made in time according to actual conditions.
Referring to fig. 3, which shows a schematic structural view of an embodiment of an air guide device management apparatus for a rail transit station according to the present application, as shown in fig. 3, an air guide device management apparatus 300 includes the following units.
The acquisition and deployment module 301 is configured to obtain preset diversion device deployment information based on the collected diversion device characteristics of the station, formulate different positioning device deployment plans in response to the obtained overall characteristics of the station, and perform distribution and installation of the positioning tags and the positioning base stations according to the positioning device deployment plans.
And the information transmission module 302 is configured to utilize UWB technology to acquire UWB pulse signals between the positioning tag and the positioning base station, and transmit the UWB pulse signals to the system solution module 303 through TCP/IP protocol.
The system calculating module 303 is configured to calculate spatial coordinate information of the positioning tag based on the received UWB pulse signal between the positioning tag and the positioning base station, and obtain actual placement information of the flow guiding device by combining with preset deployment information of the flow guiding device.
The application management module 304 specifically includes an electronic calibration unit 3041, a real-time status monitoring unit 3042, an intelligent analysis and early warning unit 3043, and a comprehensive management unit 3044, which performs services such as preprocessing, calculation, analysis, and management on the data of the system.
In some specific embodiments, the electronic calibration unit 3041 is configured to receive actual placement information of the diversion device in real time, and calibrate and display geographic location information of the diversion device in real time in the electronic station map.
In some specific embodiments, the real-time status monitoring unit 3042 is configured to monitor the status of the diversion device on-line in real time, and provide real-time on-line location, tracking, query, and retrieval functions of the status of the diversion device.
In some specific embodiments, the intelligent analysis and early warning unit 3043 is configured to compare and interpret the actual placement information and the preset diversion device deployment information, send an early warning and retrieve the real-time environmental characteristic information and the real-time passenger flow characteristic information of the diversion device in response to the actual placement information and the preset diversion device deployment information exceeding a threshold, and obtain a dynamic adjustment plan of the diversion device by using intelligent matching analysis.
In some specific embodiments, the integrated management unit 3044 specifically includes a positioning device management subunit 30441, a diversion device management subunit 30442, and a statistical analysis management subunit 30443, and performs unified and normative management and storage on the positioning device and the diversion device through the positioning device management subunit 30441, the diversion device management subunit 30442, and the statistical analysis management subunit 30443, respectively. The positioning device management subunit 30441 is configured to manage the positioning tag, the ID number of the positioning base station, the category model, the monitoring type, the installation location, and the basic configuration of the positioning tag and the positioning base station. A diversion device management subunit 30442 configured to manage the ID number, the category model, the current position, the historical placement position, and the diversion device basic configuration of the diversion device. A statistical analysis management subunit 30443 configured to display the usage and the warning information of the diversion device in the form of a plurality of charts.
Referring to fig. 4, which shows a logical architecture diagram of an embodiment of a diversion device management apparatus for a rail transit station according to the present application, as shown in fig. 4, an application embodiment of the apparatus may be divided into four levels, namely, a sensor deployment layer 401, an information transmission layer 402, a system solution layer 403, and an application terminal layer 404, where:
and the sensor deployment layer 401 is used for positioning the flow guide device by using a positioning tag and a positioning base station through a UWB wireless positioning technology. The sensor deployment layer 401 is a basis for realizing a positioning function of the system, and comprises a flow guiding device, a positioning base station and a positioning tag, wherein the data communication between the positioning tag and the positioning base station is realized by using a UWB wireless real-time high-precision positioning technology, the positioning base station and the positioning tag transmit and acquire data through the UWB technology, the positioning tag continuously transmits data frames by UWB pulse repetition, the positioning base station continuously monitors and receives the UWB data frames in a coverage range by using a high-sensitivity short pulse detector, and measures the time of the data frames of each positioning tag reaching a receiving antenna, so that the data communication between the positioning tag and the positioning base station is realized, and data support is provided for position analysis of the positioning tag.
In some specific embodiments, the information acquired by the UWB positioning module is transmitted to the system calculating module through wireless or wired communication, so as to provide further advanced calculation of the positioning information.
And an information transmission layer 402 for transmitting the data collected by the positioning base station back to the system resolving center through wireless and wired transmission networks. The information transmission layer 402 includes a wired transmission network and a wireless transmission network, the wireless transmission network provides a data transmission link for the positioning base station through a WIFI channel, the wired transmission network provides a data transmission link for the positioning base station through a wired ethernet mode, and the wired transmission network also provides a data transmission link for the wireless transmission network.
And the system resolving layer 403 is used for realizing the position resolution of the diversion equipment through the map engine module, the positioning information resolution engine module and the diversion equipment state resolution engine module, and providing data support for the application terminal layer. The system resolving layer 403 is composed of an electronic map engine module, a positioning information analysis engine module, and a diversion equipment state analysis engine module, and is a key for realizing the positioning calculation of the diversion equipment. The electronic map engine module can realize geographic data driving and management, and support the realization of functions such as rendering, query and the like, and the application terminal layer 404 can realize the functions of loading and maintaining the station electronic map and displaying the flow guide equipment on the electronic map by calling a functional interface provided by the map engine; the positioning information analysis engine module is used for receiving positioning label information transmitted by the transmission layer, and determining the spatial coordinate position of a positioning label according to the time and the time difference of the UWB signals reaching different base stations by adopting a TOA and TDOA mixed algorithm; the diversion equipment state analysis engine module contrasts and analyzes the positioning label space coordinate information and the diversion equipment deployment preset information, and correspondingly analyzes the placement position and the direction information of the diversion equipment by combining with a fixed diversion equipment placement mode.
The application terminal layer 404 implements service application functions such as real-time display of the position of the diversion device, position inquiry, abnormal early warning, statistical analysis, system linkage, and the like, and provides support and help for the management of the station passenger transportation organization. The application terminal layer 404 is composed of functions of electronic calibration of diversion equipment information, real-time monitoring of diversion equipment states, intelligent analysis and early warning of diversion equipment safety states, comprehensive management of diversion equipment and the like.
In a specific embodiment, the electronic calibration function of the diversion equipment information is used for receiving the position information of the diversion equipment sent by the positioning information analysis module and the diversion equipment state analysis module in real time, and calibrating and displaying the geographical position information of the diversion equipment in real time in the electronic station map by calling an electronic map engine module interface.
In a specific embodiment, the real-time state monitoring function of the diversion device is used for monitoring the state of the diversion device in real time on line, providing the functions of real-time on-line positioning, tracking, querying, retrieving and the like of the state of the diversion device, and querying the current state of the device by inputting the serial number of the diversion device.
In a specific embodiment, the intelligent analysis and early warning function of the safety state of the flow guide equipment is used for intelligent analysis and abnormal warning of the position and direction state of the flow guide equipment, and when the real-time position and direction of the flow guide equipment deviate from the preset position and direction of the system, warning signals are sent out in various forms such as a sound and text prompt box; the system can be used for linking peripheral video monitoring equipment and a comprehensive monitoring system according to the real-time position information of the diversion equipment label to obtain the peripheral real-time scene and the passenger flow characteristics of the position of the diversion equipment, carrying out intelligent matching analysis and dynamic adjustment scheme pushing on the current diversion equipment configuration scheme and the current passenger flow demand, and helping an operator to quickly restore the diversion equipment to a normal state so as to reduce the safety risk.
In a specific embodiment, the intelligent integrated management function of the system equipment provides management functions of various equipment of the system, and mainly comprises management of a positioning label, an ID number, a type and a model of a positioning base station, a monitoring type and an installation position; managing the ID number, the type, the current position and the historical placement position of the flow guide equipment; basic configuration management of a positioning label, a positioning base station and a flow guide device; uploading an electronic map of a station and updating and optimizing the management of the electronic map; and displaying the statistical analysis management of the information such as the use condition of the equipment, early warning and the like in various graph forms.
Referring to fig. 5, as an implementation of the methods shown in the above-mentioned figures, the present application provides an embodiment of an air guide device management apparatus for a rail transit station, where the embodiment of the apparatus corresponds to the embodiment of the logical architecture shown in fig. 4, and the apparatus may be specifically applied to various electronic devices. As shown in fig. 5, the device includes four levels, namely a sensor deployment layer 501, an information transmission layer 502, a system solution layer 503 and an application terminal layer 504.
In this embodiment, the sensor deployment layer 501 is composed of a flow guiding device, a positioning base station, and a positioning tag, and the positioning tag is installed at both ends of the flow guiding device by fully considering the deployment manner of the flow guiding device in a station. For all the deployment modes of the movable diversion equipment, installing positioning labels at two ends of each movable diversion equipment; for the arrangement modes of all the fixed diversion devices, positioning labels can be arranged at two ends of each row of the diversion devices, and the arrangement intervals of the positioning labels are properly increased according to the arrangement length and width of the diversion devices; for the arrangement mode of combining the movable diversion equipment and the fixed diversion equipment, positioning labels can be respectively arranged at two ends of each row of diversion equipment and two ends of the movable diversion equipment, and positioning label arrangement points can be properly added on the fixed diversion equipment according to the arrangement mode and the complexity of the diversion equipment. The deployment design of the positioning base station fully considers the environmental characteristics of the subway station and the management requirement of the diversion equipment, a zero-dimensional and two-dimensional mixed positioning method is adopted, the positioning precision is less than 0.3 m under the condition of no shielding, and the deployment interval of the positioning base station does not exceed 50 m in principle. For places such as subway platforms, station halls, channels, security check, entrances and exits and the like which have large ranges and need to clearly determine the specific positions and the placing modes of the diversion equipment, a two-dimensional plane positioning method is adopted, and more than four positioning base stations are deployed in a support, ceiling or side wall installation mode and the like according to the area shape, area and signal shielding condition. For small spaces such as equipment management rooms, only the positions of the diversion equipment in the area need to be determined, a zero position positioning mode is adopted, and 1 positioning base station is deployed in a ceiling or side wall installation mode.
In this embodiment, the information transport layer 502 performs communication transmission using a TCP/IP protocol, and the main devices include a POE switch, a core switch, a router, and the like. The data acquired by the positioning base station is transmitted to the system solution layer 503 through the POE switch, the core switch, and the wired/wireless network.
In this embodiment, the main hardware devices of the system solution layer 503 include an application server and a database server, where the application server is responsible for providing services such as data preprocessing, calculation, analysis, and management of the positioning system, and the database server is responsible for storing data of the system.
In the present embodiment, the application terminal layer 504 is configured with a PC terminal as a main hardware device. The system is convenient for a user to realize accurate positioning and real-time display of the station diversion equipment in real time through the diversion equipment information electronic calibration and real-time monitoring module, the diversion equipment state intelligent analysis and early warning module and the diversion equipment comprehensive management module, meanwhile, the management of systematization, informatization and the like of diversion equipment management is realized, and the real-time adjustment, optimized management and operation of a diversion equipment deployment scheme are realized. The electronic calibration and real-time monitoring module of the diversion equipment information is used for receiving the position information of the diversion equipment sent by the system resolving module in real time, displaying the geographical position information of the diversion equipment in real time in a station electronic map, providing the functions of real-time positioning, tracking, inquiring and retrieving of the position of the diversion equipment, and clicking the diversion equipment calibrated by the electronic map or inputting the serial number of the diversion equipment, so that the current position of the equipment can be inquired. The intelligent analysis and early warning module for the state of the diversion equipment matches the real-time position and direction information of the diversion equipment calculated by the system according to the preset placement position and direction of the diversion equipment by a user, judges whether the actual state of the equipment deviates from the preset state or not, and pushes the alarm information of the diversion equipment to an application client in real time. And according to the real-time position information of the diversion equipment label, peripheral video monitoring equipment and other monitoring data and monitoring systems of the rail transit station can be linked to obtain the peripheral real-time scene and passenger flow characteristics of the position of the diversion equipment. The comprehensive management module of the diversion equipment mainly comprises management of a positioning label, an ID number, a type and a model of a positioning base station, a monitoring type and an installation position; managing the ID number, the type, the current position and the historical placement position of the flow guide equipment; basic configuration management of a positioning label, a positioning base station and a flow guide device; uploading an electronic map of a station and modifying, updating and managing the electronic map; and outputting statistical analysis management of information such as equipment use condition and early warning in various chart forms.
Compared with the prior art, the method and the device provided by the embodiment of the application have the following advantages that: (1) the method has the advantages that accurate positioning and real-time display of the station flow guide equipment are achieved, operation managers can conveniently master the overall layout of the station flow guide equipment, master the matching performance of different flow guide equipment deployment modes and passenger flow levels, reasonably call the flow guide equipment, achieve real-time adjustment and optimization of flow guide equipment deployment schemes, and improve the instantaneity and effectiveness of station operation organization strategies; (2) the working efficiency of operators is improved, the operators and managers can conveniently master the position of the abnormal state equipment in time, the diversion equipment is restored to the specified position and state in time, the potential safety hazard is eliminated, and the workload of the operators is reduced; (3) the management of the diversion equipment is systematized and informationized, so that an operator can conveniently master the position of the temporarily recovered diversion equipment in real time, the diversion equipment is checked and stored in time, and the asset safety management of the diversion equipment is guaranteed; (4) the expansion of system functions is realized, and other data such as station passenger flow volume, operator positions and the like are accessed into the positioning and management system of the flow guide equipment, so that the comprehensive intelligent management system of the station is expanded, and the operation efficiency and the safety and reliability of the station are comprehensively improved.
Referring now to FIG. 6, shown is a block diagram of a computer system 600 suitable for use in implementing the electronic device of an embodiment of the present application. The electronic device shown in fig. 6 is only an example, and should not bring any limitation to the functions and the scope of use of the embodiments of the present application.
As shown in fig. 6, the computer system 600 includes a Central Processing Unit (CPU)601 that can perform various appropriate actions and processes according to a program stored in a Read Only Memory (ROM)602 or a program loaded from a storage section 608 into a Random Access Memory (RAM) 603. Various programs and data required for the operation of the system 600 are stored in the RAM 603. The CPU 601, ROM 602, and RAM 603 are connected to each other via a bus 604. An input/output (I/O) interface 605 is also connected to bus 604.
The following components are connected to the I/O interface 605: including an input portion 606, an output portion 607, a storage portion 608, a communication portion 609, a drive 610, a removable medium 611. The drive 610 may be connected to the I/O interface 605 as necessary, and a removable medium 611 is mounted on the drive 610 as necessary so that a computer program read out therefrom is installed into the storage section 608 as necessary.
In particular, according to an embodiment of the present disclosure, the processes described above with reference to the flowcharts may be implemented as computer software programs. Computer program code for carrying out operations of the present application may be written in one or more programming languages, or a combination thereof. The program code may execute entirely on the trainer computer, partly on the trainer computer, as a stand-alone software package, partly on the trainer computer and partly on a remote computer or entirely on the remote computer or server. In the case of a remote computer, the remote computer may be connected to the trainer computer through any type of network, including a Local Area Network (LAN) or a Wide Area Network (WAN), or the connection may be made to an external computer (for example, through the Internet using an Internet service provider).
The flowchart and block diagrams in the figures illustrate the architecture, functionality, and operation of possible implementations of systems, methods and computer program products according to various embodiments of the present application. In this regard, each block in the flowchart or block diagrams may represent a module, segment, or portion of code, which comprises one or more executable instructions for implementing the specified logical function(s). It should also be noted that, in some alternative implementations, the functions noted in the block may occur out of the order noted in the figures. For example, two blocks shown in succession may, in fact, be executed substantially concurrently, or the blocks may sometimes be executed in the reverse order, depending upon the functionality involved. It will also be noted that each block of the block diagrams and/or flowchart illustration, and combinations of blocks in the block diagrams and/or flowchart illustration, can be implemented by special purpose hardware-based systems which perform the specified functions or acts, or combinations of special purpose hardware and computer instructions.
The modules described in the embodiments of the present application may be implemented by software or hardware. The modules described may also be provided in a processor, which may be described as: a processor comprises an acquisition and deployment module, an information transmission module and a system resolving module. For example, the acquisition and deployment module may be further described as "obtaining preset diversion device deployment information based on collected diversion device characteristics of a station, making different positioning device deployment plans in response to obtaining overall characteristics of the station, and performing distributed installation of the positioning tags and the positioning base stations according to the positioning device deployment plans".
The above description is only a preferred embodiment of the application and is illustrative of the principles of the technology employed. It will be appreciated by those skilled in the art that the scope of the invention herein disclosed is not limited to the particular combination of features described above, but also encompasses other arrangements formed by any combination of the above features or their equivalents without departing from the spirit of the invention. For example, the above features may be replaced with (but not limited to) features having similar functions disclosed in the present application.
Claims (9)
1. A management method for flow guide equipment of a rail transit station is characterized by comprising the following steps:
s1: acquiring deployment preset information of the flow guide equipment based on the collected flow guide equipment characteristics of the station, wherein the flow guide equipment characteristics comprise mobility, placement length and placement width of the flow guide equipment;
s2: in response to the overall characteristics of the station, making different positioning equipment deployment plans, and performing distributed installation of positioning labels and positioning base stations according to the positioning equipment deployment plans;
s3: and based on the collected UWB pulse signals between the positioning label and the positioning base station, the space coordinate information of the positioning label is calculated, and the actual placement information of the flow guide equipment is obtained by combining the deployment preset information of the flow guide equipment.
2. The method according to claim 1, wherein step S3 is followed by comparing actual placement information of the airflow guiding device with the preset deployment information, sending an early warning and retrieving real-time environmental characteristic information and real-time passenger flow characteristic information of the airflow guiding device in response to a comparison result that the actual placement information and the preset deployment information exceed a threshold, and obtaining a dynamic adjustment plan of the airflow guiding device by using intelligent matching analysis.
3. The method as claimed in claim 1, wherein in the step S2, a deployment plan of the positioning device is obtained by a zero-dimension and two-dimension mixing method, and the installation operation of the positioning base station is performed by one or a combination of a bracket, a ceiling and a side wall.
4. The method as claimed in claim 1, wherein in the step S3, the TOA and TDOA hybrid algorithm is used, and the time difference of the UWB pulse signal arriving at different location base stations are combined to determine the corresponding spatial coordinate position of the location tag.
5. The method according to claim 1, wherein the overall characteristic information of the station includes environmental characteristic information, passenger flow volume characteristic information, and the flow guide equipment characteristic information.
6. The method of claim 1, wherein each of the positioning tags corresponds to a unique number and communicates with the positioning base station in real time within the coverage area of the positioning base station.
7. A flow guide device management apparatus of a rail transit station, the apparatus comprising:
the acquisition and deployment module is configured to obtain preset deployment information of the flow guide equipment based on the collected characteristics of the flow guide equipment of the station, make different positioning equipment deployment plans in response to the obtained overall characteristics of the station, and perform distributed installation of positioning labels and positioning base stations according to the positioning equipment deployment plans;
the information transmission module is configured for utilizing UWB technology to acquire UWB pulse signals between the positioning labels and the positioning base stations, and transmitting the UWB pulse signals to the system resolving module through TCP/IP communication;
the system calculation module is configured to calculate spatial coordinate information of the positioning tag based on the received UWB pulse signal between the positioning tag and the positioning base station, and obtain actual placement information of the flow guiding device in combination with the deployment preset information.
8. The device of claim 7, further comprising an application management module, wherein the application management module specifically comprises an electronic calibration unit, a real-time status monitoring unit, an intelligent analysis and early warning unit, and a comprehensive management unit,
the electronic calibration unit is configured to receive the actual placement information of the flow guide equipment in real time, and calibrate and display the geographical position information of the flow guide equipment in real time in a station electronic map;
the state real-time monitoring unit is configured for monitoring the state of the flow guide equipment in real time on line and providing real-time on-line positioning, tracking, inquiring and retrieving functions of the state of the flow guide equipment;
the intelligent analysis early warning unit is configured to compare and interpret the actual placement information and the preset deployment information, send out early warning and retrieve real-time environmental characteristic information and real-time passenger flow characteristic information of the flow guide equipment in response to the actual placement information and the preset deployment information exceeding a threshold value, and obtain a dynamic adjustment plan of the flow guide equipment by means of intelligent matching analysis;
the comprehensive management unit specifically comprises a positioning equipment management subunit, a diversion equipment management subunit and a statistical analysis management subunit, wherein,
the positioning equipment management subunit is configured for managing the positioning labels, the ID numbers, the type models, the monitoring types, the installation positions, the positioning labels and the basic configuration of the positioning base stations;
the flow guide equipment management subunit is configured for managing the ID number, the type and the model, the current position, the historical placement position and the basic configuration of the flow guide equipment;
and the statistical analysis management subunit is configured to display the use condition and the early warning information of the flow guide equipment in a plurality of chart forms.
9. An electronic device for configuring a guide device management apparatus of a rail transit station, comprising:
one or more processors and storage devices to compute and store one or more programs;
when executed by the one or more processors, cause the one or more processors to implement the method of any one of claims 1-5.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110199680.4A CN113055900A (en) | 2021-02-22 | 2021-02-22 | Flow guide equipment management method and device for rail transit station |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110199680.4A CN113055900A (en) | 2021-02-22 | 2021-02-22 | Flow guide equipment management method and device for rail transit station |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN113055900A true CN113055900A (en) | 2021-06-29 |
Family
ID=76509564
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202110199680.4A Pending CN113055900A (en) | 2021-02-22 | 2021-02-22 | Flow guide equipment management method and device for rail transit station |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN113055900A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114449442A (en) * | 2022-01-19 | 2022-05-06 | 中铁第四勘察设计院集团有限公司 | Intelligent rail vehicle in-garage positioning system and method based on UWB technology |
Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20160054140A1 (en) * | 1997-10-22 | 2016-02-25 | American Vehicular Sciences Llc | Method and system for guiding a person to a location |
| CN107255794A (en) * | 2017-05-27 | 2017-10-17 | 中国电子科技集团公司第二十九研究所 | A kind of positioner and railway station children's localization method based on UWB |
| CN107845236A (en) * | 2017-12-05 | 2018-03-27 | 中铁局集团天津建设工程有限公司 | Based on the construction operation security protection early warning system positioned in real time and its method for early warning |
| CN109541530A (en) * | 2018-10-23 | 2019-03-29 | 北京凯乐比兴科技有限公司 | A kind of key area nonnative personnel's positioning system and method based on UWB |
| KR102055085B1 (en) * | 2019-03-22 | 2019-12-12 | 신미희 | System for detecting indoor position using mixed reality and ultra wide band |
| CN111243262A (en) * | 2020-01-16 | 2020-06-05 | 北京化工大学 | Station room passenger flow management and control system and management and control method based on intelligent isolation fence |
| CN111523797A (en) * | 2020-04-21 | 2020-08-11 | 深圳中科慧据科技有限公司 | Rail transit early warning event scheduling method and device, computer equipment and storage medium |
| CN215010726U (en) * | 2021-02-22 | 2021-12-03 | 中铁信(北京)网络技术研究院有限公司 | Flow guide equipment positioning management system of rail transit station |
-
2021
- 2021-02-22 CN CN202110199680.4A patent/CN113055900A/en active Pending
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20160054140A1 (en) * | 1997-10-22 | 2016-02-25 | American Vehicular Sciences Llc | Method and system for guiding a person to a location |
| CN107255794A (en) * | 2017-05-27 | 2017-10-17 | 中国电子科技集团公司第二十九研究所 | A kind of positioner and railway station children's localization method based on UWB |
| CN107845236A (en) * | 2017-12-05 | 2018-03-27 | 中铁局集团天津建设工程有限公司 | Based on the construction operation security protection early warning system positioned in real time and its method for early warning |
| CN109541530A (en) * | 2018-10-23 | 2019-03-29 | 北京凯乐比兴科技有限公司 | A kind of key area nonnative personnel's positioning system and method based on UWB |
| KR102055085B1 (en) * | 2019-03-22 | 2019-12-12 | 신미희 | System for detecting indoor position using mixed reality and ultra wide band |
| CN111243262A (en) * | 2020-01-16 | 2020-06-05 | 北京化工大学 | Station room passenger flow management and control system and management and control method based on intelligent isolation fence |
| CN111523797A (en) * | 2020-04-21 | 2020-08-11 | 深圳中科慧据科技有限公司 | Rail transit early warning event scheduling method and device, computer equipment and storage medium |
| CN215010726U (en) * | 2021-02-22 | 2021-12-03 | 中铁信(北京)网络技术研究院有限公司 | Flow guide equipment positioning management system of rail transit station |
Non-Patent Citations (1)
| Title |
|---|
| 刘金博;: "上海市轨道交通车站客流控制方法及问题研究", 交通世界, no. 27, 25 September 2020 (2020-09-25) * |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114449442A (en) * | 2022-01-19 | 2022-05-06 | 中铁第四勘察设计院集团有限公司 | Intelligent rail vehicle in-garage positioning system and method based on UWB technology |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN100571250C (en) | The wireless communication system and the method for geography-space correlation event data are provided | |
| CN202094938U (en) | Web-based wireless temperature and humidity monitoring network | |
| CN101931645A (en) | Wireless temperature-humidity monitoring system based on Web | |
| CN103065210A (en) | Asset tracking in process control environments | |
| CN101617502A (en) | Self-configuring wireless network location system | |
| CN102801805A (en) | Field data acquisition system and method based on mobile internet technology | |
| CN103576177A (en) | Positioning tracking method | |
| CN109274737B (en) | C/S technical architecture system for oil field exploration, development and production | |
| CN101105891A (en) | GPS vehicle monitoring and scheduling system applying in electric power system | |
| US8990915B2 (en) | Local data appliance for collecting and storing remote sensor data | |
| CN107071716A (en) | Monitoring water environment system and method based on TD-LTE private networks | |
| Ibraheem et al. | Design and implementation of a low-cost secure vehicle tracking system | |
| CN103020721B (en) | A kind of method assessing automation system for the power network dispatching real time data processing efficiency | |
| CN114125704A (en) | UWB-based ship cabin personnel positioning device and positioning method | |
| CN113055900A (en) | Flow guide equipment management method and device for rail transit station | |
| CN108776700A (en) | A kind of Forest Eco-station data processing system based on technology of Internet of things | |
| CN215010726U (en) | Flow guide equipment positioning management system of rail transit station | |
| CN103236017A (en) | User behavior tracking device, system and method | |
| CN203311478U (en) | Field patrol management system based on GPS (global position system), GPRS (general packet radio service) and GIS (geographic information system) integrated technology | |
| KR20040003487A (en) | Automated Monitoring System for Management of Slop | |
| US20030179735A1 (en) | System and method of portable data management | |
| CN111082987A (en) | Ubiquitous power Internet of things-oriented distribution network operation and maintenance system and method | |
| Walid et al. | Design of a climate monitoring system based on sensor network | |
| Das et al. | Satellite based train monitoring system | |
| CN203054224U (en) | GPS vehicle tracking positioning antitheft system |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination |