CN212750034U - Anti-intrusion system based on RFID and ultra-wideband technology - Google Patents
Anti-intrusion system based on RFID and ultra-wideband technology Download PDFInfo
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- CN212750034U CN212750034U CN202021629158.2U CN202021629158U CN212750034U CN 212750034 U CN212750034 U CN 212750034U CN 202021629158 U CN202021629158 U CN 202021629158U CN 212750034 U CN212750034 U CN 212750034U
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Abstract
The utility model provides an anti-intrusion system based on RFID and ultra wide band technique, including passive RFID label and ultra wide band label, read the record many times to passive RFID label through the RFID reader and generate label moving track, and extract user's gait characteristic according to label moving track, and match with the preset gait characteristic library, acquire user information; positioning the ultra-wide band tag on the receiving record of the same ultra-wide band tag through a plurality of ultra-wide band base stations to obtain position information; and judging whether the user invades the control area or not according to the user information and the position information.
Description
Technical Field
The utility model relates to an anti-intrusion system, specific theory has related to an anti-intrusion system based on RFID and ultra wide band technique.
Background
Gait recognition is an emerging biometric identification technology that is capable of identifying and authenticating a user's identity by capturing the user's walking posture. Compared with other biological feature recognition technologies such as fingerprint recognition and face recognition, gait recognition has the advantages of long sensing distance, difficulty in feature counterfeiting and non-invasion sensing, and the like, so that the method has wide application prospects and economic values in the fields of intelligent monitoring, access control systems, human-computer interaction and the like.
The existing gait recognition methods mainly focus on three main methods, namely a method based on video image processing, a method based on a mobile phone sensor and a method based on an external sensor. The method for extracting gait characteristics and identifying the mobile phone sensor based on the video image processing method comprises the steps of extracting information such as acceleration and the like of a user during walking through various sensors in a mobile phone carried by the user, and analyzing the gait behaviors of the user; the method based on the external sensor performs fine-grained analysis and extraction on the user posture by binding a special sensor, such as a pressure sensor, a motion sensor and the like, on the user body.
However, the first method is prone to reveal user privacy information and the definition of the video image is susceptible to external conditions such as illumination, the second method and the third method are large in data processing amount, and additional sensing equipment needs to be purchased, so that the cost is high.
In order to solve the above problems, people are always seeking an ideal technical solution.
Disclosure of Invention
The utility model aims at prior art not enough to a provide an prevent intrusion system based on RFID and ultra wide band technique, realize the accurate discernment of identity through gait recognition characteristic, and be difficult for receiving the external condition influence.
In order to realize the purpose, the utility model discloses the technical scheme who adopts is: an anti-intrusion system based on RFID and ultra-wideband technology comprises
The passive RFID tag is internally provided with a unique equipment number;
the RFID reader is used for reading the data of the passive RFID tag, generating a reading record and sending the reading record, wherein the reading record comprises sending time, receiving time, the equipment number of the RFID reader and the equipment number of the passive RFID tag;
the RFID base station is used for generating a moving track of the passive RFID label according to a plurality of reading records of the same passive RFID label by at least one RFID reader and sending the moving track of the passive RFID label and the equipment number of the passive RFID label;
the gait recognition server is connected with the RFID base station, extracts the gait characteristics of the user according to the moving track sent by the RFID base station, matches the gait characteristics with a preset gait characteristic library, acquires user information, and sends the user information and the equipment number of the passive RFID label;
the ultra-wide band tag and the passive RFID tag are positioned on the same mobile equipment, and an equipment number of the ultra-wide band tag which is related to an equipment number of the passive RFID tag is arranged in the ultra-wide band tag; the ultra-wide band tag is used for transmitting an ultra-wide band signal carrying the equipment number of the ultra-wide band tag outwards;
the ultra-wideband base stations are used for receiving ultra-wideband signals transmitted by the ultra-wideband labels, generating receiving records and transmitting the receiving records, wherein the receiving records comprise transmitting time, receiving time, equipment numbers of the ultra-wideband base stations and equipment numbers of the ultra-wideband labels;
the positioning server is connected with all the ultra-wideband base stations and used for positioning a plurality of receiving records of the same ultra-wideband label at the same sending time according to a plurality of ultra-wideband base stations, acquiring position information and sending the position information and the equipment number of the ultra-wideband label;
and the monitoring terminal is connected with the gait recognition server and the positioning server and is used for judging whether the user is located in a control area according to the position information uploaded by the ultra-wideband base station, searching and acquiring user information corresponding to the equipment number of the associated passive RFID label according to the equipment number of the ultra-wideband label uploaded by the ultra-wideband base station, judging whether the user is located in a preset control area passing white list according to the user information, and giving an alarm when the user is located in the control area and the user is not located in the control area passing white list.
Based on the above, the system further comprises an access card, an access card reader and a door lock device, wherein the passive RFID tag and the ultra-wide band tag are embedded in the access card, and user information is preset in the access card; the door lock equipment and the access control card reader are both connected with the monitoring terminal;
the access card reader is used for reading user information preset in the access card and uploading the user information to the monitoring terminal;
and the monitoring terminal compares the read user information preset in the access control card with the user information returned by the gait recognition server and controls the door lock equipment to be opened when the comparison result is consistent.
Compared with the prior art, the utility model has substantive characteristics and progress, and concretely speaking, the utility model realizes the accurate positioning of the user through the ultra-wideband tag; the method comprises the steps of generating a moving track of a passive RFID tag by acquiring data of the passive RFID tag carried by a user in real time, further extracting gait features of the user, and identifying and authenticating the identity of the user through biological features, compared with the existing gait identification system, the method has the advantages that the privacy information of the user can be better protected, the method is insensitive to external conditions such as illumination and the like, the data processing is less, the participation degree of the user is low, and the non-sensitive identity identification of the user can be realized; by combining the gait feature-based identity recognition technology and the ultra-wideband positioning technology, the method can accurately position the user while recognizing the identity of the user, and is suitable for intrusion detection in a specific control area; meanwhile, the gait biological characteristics of the user are accurately extracted through the method provided by the invention, the identity information of the card-holding user is authenticated, the passive RFID label can be effectively prevented from being faked, the identity anti-counterfeiting function is realized, no additional sensing equipment is required to be purchased, and the cost is low.
Drawings
Fig. 1 is a schematic block diagram of embodiment 1 of the present invention.
Fig. 2 is a layout manner of the ultra-wideband base station in embodiment 1 of the present invention.
Fig. 3 is another layout manner of the ultra-wideband base station in embodiment 1 of the present invention.
Fig. 4 is a schematic block diagram of embodiment 2 of the present invention.
Detailed Description
The technical solution of the present invention will be described in further detail through the following embodiments.
Example 1
The embodiment provides an anti-intrusion system based on RFID and ultra-wideband technology, as shown in fig. 1, including:
the passive RFID tag is internally provided with a unique equipment number;
the RFID reader is used for reading the data of the passive RFID tag, generating a reading record and sending the reading record, wherein the reading record comprises sending time, receiving time, the equipment number of the RFID reader and the equipment number of the passive RFID tag;
the RFID base station is used for generating a moving track of the passive RFID label according to a plurality of reading records of the same passive RFID label by at least one RFID reader and sending the moving track of the passive RFID label and the equipment number of the passive RFID label;
the gait recognition server is connected with the RFID base station, extracts the gait characteristics of the user according to the moving track sent by the RFID base station, matches the gait characteristics with a preset gait characteristic library, acquires user information, and sends the user information and the equipment number of the passive RFID label;
the ultra-wide band tag and the passive RFID tag are positioned on the same mobile equipment, and an equipment number of the ultra-wide band tag which is related to an equipment number of the passive RFID tag is arranged in the ultra-wide band tag; the ultra-wide band tag is used for transmitting an ultra-wide band signal carrying the equipment number of the ultra-wide band tag outwards;
the ultra-wideband base stations are used for receiving ultra-wideband signals transmitted by the ultra-wideband labels, generating receiving records and transmitting the receiving records, wherein the receiving records comprise transmitting time, receiving time, equipment numbers of the ultra-wideband base stations and equipment numbers of the ultra-wideband labels;
the positioning server is connected with all the ultra-wideband base stations and used for positioning a plurality of receiving records of the same ultra-wideband label at the same sending time according to a plurality of ultra-wideband base stations, acquiring position information and sending the position information and the equipment number of the ultra-wideband label;
and the monitoring terminal is connected with the gait recognition server and the positioning server and is used for judging whether the user is located in a control area according to the position information uploaded by the ultra-wideband base station, searching and acquiring user information corresponding to the equipment number of the associated passive RFID label according to the equipment number of the ultra-wideband label uploaded by the ultra-wideband base station, judging whether the user is located in a preset control area passing white list according to the user information, and giving an alarm when the user is located in the control area and the user is not located in the control area passing white list.
Specifically, the ultra-wideband base station may be arranged only in a two-dimensional plane environment as shown in fig. 2, or may be arranged in a three-dimensional environment as shown in fig. 3, and the application scenario includes but is not limited to security intrusion, and may also be used to accurately grasp the location information of a specific person in time.
Specifically, the passive RFID tag is an ImoinJ commercial ultrahigh frequency passive radio frequency tag, and the RFID reader is an ImoinJR420 reader; the hardware platform of the gait recognition server is an associative ThinkPadP53 notebook computer, and is loaded with an i7 processor and a 64GB memory; the method for extracting the gait features of the user based on the motion trail of the radio frequency tag is published in 2020 by king pigeon and the like in the 6 th stage of electronic technology magazine, and the gait recognition and authentication of the user can be efficiently and accurately performed in the urban area of the algorithm.
When the passive RFID tag and the ultra-wide band tag are configured and associated for each user, the gait characteristics of each user can be collected, and the collected gait characteristics are stored in the preset gait characteristic library so as to be compared later.
Specifically, in actual use, when a control area is small, only one RFID reader may be set to read data of a passive RFID tag, and track generation and feature extraction are performed by reading and recording the data of the passive RFID tag through the RFID reader; when the control area is large, a plurality of RFID readers must be arranged at intervals, and track generation and feature extraction are performed by reading and recording data of the same passive RFID tag through the plurality of RFID readers.
Because the passive RFID tags are weak in signals, unstable in communication with an RFID reader and prone to loss of sampling points, a plurality of passive RFID tags can be arranged, and correct user gait information can be provided through signal complementation of the passive RFID tags.
The utility model realizes the accurate positioning of the user through the ultra-wideband label; the method comprises the steps of generating a moving track of a passive RFID tag by acquiring data of the passive RFID tag carried by a user in real time, further extracting gait features of the user, and identifying and authenticating the identity of the user through biological features, compared with the existing gait identification system, the method has the advantages that the privacy information of the user can be better protected, the method is insensitive to external conditions such as illumination and the like, the data processing is less, the participation degree of the user is low, and the non-sensitive identity identification of the user can be realized; by combining the gait feature-based identity recognition technology and the ultra-wideband positioning technology, the method can accurately position the user while recognizing the identity of the user, and is suitable for intrusion detection in a specific control area.
Example 2
This embodiment is different from embodiment 1 in that: as shown in fig. 4, the system further comprises an access card, an access card reader and a door lock device, wherein the passive RFID tag and the ultra-wide band tag are embedded in the access card, and user information is preset in the access card; the door lock equipment and the access control card reader are both connected with the monitoring terminal;
the access card reader is used for reading user information preset in the access card and uploading the user information to the monitoring terminal;
and the monitoring terminal compares the read user information preset in the access control card with the user information returned by the gait recognition server and controls the door lock equipment to be opened when the comparison result is consistent.
This embodiment is applicable to sensitive place like archives, monitor room etc. and need carry out the place of key control, through comparing the reading preset user information in the access control card with the user information that gait recognition server returned judges whether card holder's identity is legal to effectively prevent passive RFID label from making fake, possess identity anti-fake function, and need not purchase extra sensing equipment, it is with low costs.
Finally, it should be noted that the above embodiments are only used for illustrating the technical solutions of the present invention and not for limiting the same; although the present invention has been described in detail with reference to preferred embodiments, it should be understood by those skilled in the art that: the invention can be modified or equivalent substituted for some technical features; without departing from the spirit of the present invention, it should be understood that the scope of the claims is intended to cover all such modifications and variations.
Claims (2)
1. An anti-intrusion system based on RFID and ultra-wideband technology is characterized in that: comprises that
The passive RFID tag is internally provided with a unique equipment number;
the RFID reader is used for reading the data of the passive RFID tag, generating a reading record and sending the reading record, wherein the reading record comprises sending time, receiving time, the equipment number of the RFID reader and the equipment number of the passive RFID tag;
the RFID base station is used for generating a moving track of the passive RFID label according to a plurality of reading records of the same passive RFID label by at least one RFID reader and sending the moving track of the passive RFID label and the equipment number of the passive RFID label;
the gait recognition server is connected with the RFID base station, extracts the gait characteristics of the user according to the moving track sent by the RFID base station, matches the gait characteristics with a preset gait characteristic library, acquires user information, and sends the user information and the equipment number of the passive RFID label;
the ultra-wide band tag and the passive RFID tag are positioned on the same mobile equipment, and an equipment number of the ultra-wide band tag which is related to an equipment number of the passive RFID tag is arranged in the ultra-wide band tag; the ultra-wide band tag is used for transmitting an ultra-wide band signal carrying the equipment number of the ultra-wide band tag outwards;
the ultra-wideband base stations are used for receiving ultra-wideband signals transmitted by the ultra-wideband labels, generating receiving records and transmitting the receiving records, wherein the receiving records comprise transmitting time, receiving time, equipment numbers of the ultra-wideband base stations and equipment numbers of the ultra-wideband labels;
the positioning server is connected with all the ultra-wideband base stations and used for positioning a plurality of receiving records of the same ultra-wideband label at the same sending time according to a plurality of ultra-wideband base stations, acquiring position information and sending the position information and the equipment number of the ultra-wideband label;
and the monitoring terminal is connected with the gait recognition server and the positioning server and is used for judging whether the user is located in a control area according to the position information uploaded by the ultra-wideband base station, searching and acquiring user information corresponding to the equipment number of the associated passive RFID label according to the equipment number of the ultra-wideband label uploaded by the ultra-wideband base station, judging whether the user is located in a preset control area passing white list according to the user information, and giving an alarm when the user is located in the control area and the user is not located in the control area passing white list.
2. The RFID and ultra-wideband technology based intrusion prevention system according to claim 1, wherein: the system also comprises an access card, an access card reader and door lock equipment, wherein the passive RFID tag and the ultra-wide band tag are embedded in the access card, and user information is preset in the access card; the door lock equipment and the access control card reader are both connected with the monitoring terminal;
the access card reader is used for reading user information preset in the access card and uploading the user information to the monitoring terminal;
and the monitoring terminal compares the read user information preset in the access control card with the user information returned by the gait recognition server and controls the door lock equipment to be opened when the comparison result is consistent.
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| CN202021629158.2U CN212750034U (en) | 2020-08-07 | 2020-08-07 | Anti-intrusion system based on RFID and ultra-wideband technology |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113947826A (en) * | 2021-09-30 | 2022-01-18 | 熵基科技股份有限公司 | Door lock control method, device, terminal and readable storage medium based on UWB |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113947826A (en) * | 2021-09-30 | 2022-01-18 | 熵基科技股份有限公司 | Door lock control method, device, terminal and readable storage medium based on UWB |
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