CN116416719A - Access control management method and system based on CANFD bus - Google Patents
Access control management method and system based on CANFD bus Download PDFInfo
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Abstract
The invention discloses a door control management method and a door control management system based on a CANFD bus, which are used for each door control device arranged in different areas in the door control management system, wherein the method comprises the following steps: acquiring a history passing record of a person requesting passing; judging whether the request traffic data is legal or not according to the preset permission data and the history traffic record; the preset authority data comprise personnel authority data, area data, passing levels and management categories; when judging that the request traffic data is legal, outputting a gate opening signal, acquiring gate passing data to generate a traffic record according to the gate passing data, and distributing the traffic record to gate control devices in other areas through a CANFD bus; by implementing the method and the device, the validity judgment of the request traffic data can be locally and offline performed, the management response speed of the access control system is improved, illegal actions such as anti-diving and trailing are effectively prevented, and the safety and reliability of the access control system are remarkably improved.
Description
Technical Field
The invention relates to the technical field of security access control, in particular to an access control management method and system based on a CANFD bus.
Background
In recent years, more and more enterprises continuously concentrate on a park, and the park evolves a plurality of potential safety hazards and safety control difficulties due to aggregation of people, vehicles and objects, so that great challenges are formed on safety control of the park in terms of coping with the risk of foreign movement of the park, real-time control of dynamic information of the park, prevention of virus infection caused by personnel, and the like.
At present, most parks rely on a mode of manual management of security personnel, are easy to cause omission of management flow and cause management conflict, and because of large area range, the parks are easy to cause conditions of personnel gathering, congestion and the like due to untimely management response, and risk of illegal personnel riding in the plane, virus secondary cross infection and the like exists; and some parks then adopt entrance guard's device and monitor platform real-time on-line monitoring judgement's mode, appear network congestion when unusual circumstances such as untimely, platform software response can lead to whole park entrance guard management to interrupt again, even paralyzes, seriously influences entrance guard management system's security and reliability.
Disclosure of Invention
The invention aims to provide an access control management method and system based on a CANFD bus.
The technical scheme adopted for solving the technical problems is as follows: the access control management method based on the CANFD bus is used for each access control device arranged in different areas in the access control management system and comprises the following steps:
acquiring a history passing record of a person requesting passing;
judging whether the request traffic data is legal or not according to preset permission data and the history traffic record; the preset authority data comprise personnel authority data, area data, passing levels and management categories;
when judging that the request traffic data is legal, outputting a gate opening signal, acquiring gate passing data to generate a traffic record according to the gate passing data, and distributing the traffic record to the gate inhibition device in other areas through a CANFD bus.
Preferably, before the step of judging whether the request traffic data is legal according to the preset permission data and the history traffic record, the method includes:
the identification module in the access control system acquires personnel authentication data of the personnel requesting passing, and the identification module generates the data requesting passing according to default personnel data and the personnel authentication data; the identification module comprises at least one of a face identification integrated machine, a card reader and a code scanner.
Preferably, the step of judging whether the request traffic data is legal according to the preset permission data and the history traffic record includes:
judging whether the passing requesting personnel has passing rights or not according to the passing requesting data and the personnel rights data;
when judging that the requested passing personnel has passing rights, judging whether the passing identification state of the requested passing personnel is qualified or not according to the history passing record, the regional data, the passing level and the management category;
and when judging that the passing-in and-out identification state of the request passing personnel is qualified, judging that the request passing data is legal.
Preferably, the management category is closed loop management or non-closed loop management;
the step of judging whether the passing identification state of the person requesting passing is qualified according to the history passing record, the area data, the passing level and the management category comprises the following steps:
if the management category is the non-closed-loop management, judging that the in-out identification state is qualified;
if the management category is the closed-loop management, judging whether the passing belongs to legal passing or not according to the regional data, the passing level and the history passing record, and if so, judging that the passing identification state is qualified; wherein the pass level includes allowing, disallowing, restricting access, or restricting entry and exit.
Preferably, in the step of acquiring the gate data, the method includes:
generating the gate passing data through a gate passing monitoring module in the gate inhibition management system;
the step of generating a pass record according to the pass data comprises the following steps:
determining the passing actions of the passing-requesting personnel in the passing record according to the passing data, and determining the passing number in the passing record; wherein the access action is normal access, gate running or retrograde.
Preferably, the access control management method based on CANFD bus further comprises:
if the entering and exiting actions are the gate running or the reverse running, an alarm signal for controlling an alarm module in the gate inhibition management system to alarm and a snapshot signal for controlling a camera module in the gate inhibition management system to take a snapshot are generated.
Preferably, the access control management method based on CANFD bus further comprises:
and sending the pass record to a monitoring platform in the access control management system so as to display the pass record through the monitoring platform.
The invention also constructs an access control management system based on the CANFD bus, which comprises a plurality of access control management units arranged in different areas, wherein each access control management unit comprises:
the identification module is used for generating request traffic data;
the gate is used for opening the gate when receiving the gate opening signal;
the gate monitoring module is used for generating gate data;
an access control module, comprising:
the record acquisition unit is used for acquiring a history passing record of the passing requesting personnel;
the first processing unit is used for judging whether the request traffic data is legal or not according to the preset permission data and the history traffic record; the preset authority data comprise personnel authority data, area data, passing levels and management categories;
and the second processing unit is used for outputting the opening signal when judging that the request traffic data is legal, generating a traffic record according to the passing data, and distributing the traffic record to the access control device in other areas through a CANFD bus.
Preferably, the passgate monitoring module comprises a plurality of human body detectors for generating detection signals when detecting personnel; the human body detectors are arranged according to a set rule;
the second processing unit is used for determining the entering and exiting actions of the passing-requesting personnel in the passing record according to the detection signals and determining the entering and exiting number of the passing personnel in the passing record; wherein the access action is normal access, gate running or retrograde; and generating an alarm signal and a snapshot signal when the entering and exiting actions are the gate running or the reverse running.
Preferably, the access control module further comprises a third processing unit for generating an alarm signal and a snapshot signal when the access action is the running or the reverse running;
each access control management unit further comprises an alarm module for alarming according to the alarm signal and/or a shooting module for shooting according to the shooting signal.
By implementing the technical scheme of the invention, the legal judgment of the request traffic data is carried out according to the preset permission data and the historical traffic records, and the opening signal can be output only when the request traffic personnel has normal entry records, so that illegal entry and exit of personnel are avoided as far as possible, the traffic records are generated according to the acquired passing data, and are distributed to the gate inhibition devices in other areas through the CANFD bus, so that the information interaction between the gate inhibition devices is realized as the latest historical traffic records of the request traffic personnel when the request traffic personnel passes through the gate inhibition devices next time, and the pre-stored characteristics of the preset permission data are utilized, so that the legal judgment of the request traffic data can be carried out after the request traffic control modules are locally offline, the management response speed of the gate inhibition management system is improved, illegal actions such as anti-diving and trailing are effectively prevented, and the safety and reliability of the gate inhibition management system are remarkably improved.
Drawings
The invention will be further described with reference to the accompanying drawings and examples, in which:
FIG. 1 is a flow chart of an access control method according to some embodiments of the present invention;
FIG. 2 is a flow chart of step S10 in some embodiments of the invention;
FIG. 3 is a flow chart of step S102 in some embodiments of the invention;
fig. 4 is a schematic structural diagram of an access management system according to some embodiments of the present invention.
Detailed Description
For a clearer understanding of technical features, objects and effects of the present invention, a detailed description of embodiments of the present invention will be made with reference to the accompanying drawings.
It should be noted that the flow diagrams depicted in the figures are merely exemplary and do not necessarily include all of the elements and operations/steps, nor are they necessarily performed in the order described. For example, some operations/steps may be decomposed, and some operations/steps may be combined or partially combined, so that the order of actual execution may be changed according to actual situations.
The block diagrams depicted in the figures are merely functional entities and do not necessarily correspond to physically separate entities. That is, the functional entities may be implemented in software, or in one or more hardware modules or integrated circuits, or in different networks and/or processor devices and/or microcontroller devices.
Referring to fig. 1, a flow chart of an access control method according to some embodiments of the present invention is shown, and the access control method according to the embodiment is applied to an access control module of each access control device disposed in different areas in an access control system, and each access control device further includes an alarm module, a camera module, an identification module, a gate monitor module, and other functional modules.
The step S10 includes: acquiring a history passing record of a person requesting passing; judging whether the request traffic data is legal or not according to the preset permission data and the history traffic record; the preset permission data comprise personnel permission data, area data, a pass level and a management category.
Step S20 includes: when judging that the request traffic data is legal, outputting a brake opening signal, acquiring brake passing data to generate a traffic record according to the brake passing data, and distributing the traffic record to access control devices in other areas through a CANFD bus.
The history traffic record refers to a history traffic track after a request traffic person enters a monitoring range of the access control system, and comprises a traffic sequence of all access control devices, the passing time of the corresponding access control devices and the like.
The preset authority data is stored in a pre-stored mode of each access control device or authority related data obtained from a monitoring platform of the access control management system before the access control device runs locally offline, so that preparation is made for monitoring each access control device locally offline (the local offline refers to the offline of the access control device and the monitoring platform).
The personnel permission data includes permissions requesting access to access personnel (employees or guests) to various access devices. As an example, employee a may set his personal permission data to: having access to both region a and region B and from region B, does not have access to other regions.
The area data includes the area position and number corresponding to the access control device and the allowed traffic relation among the access control devices, for example, the allowed traffic mode of the area C is that the access control device in the area A or the area B is allowed to enter, and the access control device in the area C is not allowed to enter from other areas.
The pass level refers to pass limit setting corresponding to the access control device. The traffic level includes allowing, disallowing, restricting access, or restricting entry and exit. If the passing level is the allowed cross-zone, the instruction can enter the access control device from other areas and can go out from the access control device to other areas; if the passing level is not allowed to cross the zone, the indication can not be sent out from the access control device to other areas; if the passing level is the limit entry, the entry of the entrance guard device from other areas is not allowed; if the passing level is limited to enter and exit, the entry control device cannot be entered from other areas, and the entry control device cannot be exited from the entry control device to other areas.
The management category refers to the access authority corresponding to each request passer, and is closed-loop management or non-closed-loop management. If the management type of the request traffic personnel is closed-loop management, limiting the request traffic personnel to enter and exit from the access control device; if the management type of the request traffic personnel is non-closed-loop management, the request traffic personnel is not limited to enter and exit in the access control device.
The CANFD bus has the advantages of high transmission speed, large data length (up to 64 Bytes), long transmission distance, simple wiring and the like, is beneficial to improving the coverage area of the CANFD bus in the monitoring area of the access control system, and is beneficial to reducing the wiring cost and simplifying the networking mode.
In the embodiment, legitimacy judgment is carried out on the request traffic data according to the preset permission data and the history traffic record, the history traffic record is used as one of legitimacy judgment factors of the request traffic data, and a switching-on signal can be output only when a request traffic person has a normal entry record, so that illegal entry and exit of the person are avoided as far as possible; and the access control module also generates a pass record according to the acquired pass data, distributes the pass record to access control devices in other areas through the CANFD bus, and is used as the latest historical pass record when the passing personnel request to pass through the access control devices next time, so that the information interaction among the access control devices is realized, the pre-stored characteristic of preset authority data is utilized, whether the access control modules are in real-time communication with a monitoring platform or not, the validity judgment of the passing data can be carried out after the access control modules are locally offline, the management response speed of the access control system is improved, illegal actions such as anti-diving and trailing are effectively prevented, and the safety and reliability of the access control system are remarkably improved.
Further, in a preferred embodiment, before determining whether the requested traffic data is legal according to the preset authority data and the history traffic record, the method further includes:
the identification module in the access control system acquires personnel authentication data of the passing requesting personnel, and the identification module also generates the passing requesting data according to default personnel data and personnel authentication data; .
The personnel authentication data refers to identity data generated when the identification module identifies the identity of the passing personnel, such as two-dimensional code data, passing card data, face recognition data and the like. Optionally, the identification module includes at least one of a face recognition integrated machine, a card reader and a code scanner.
The default personnel data refers to an identity data set of passable personnel of each access control device. In some embodiments, the identification module may obtain default personnel data by: pre-stored through the access control device (can be recorded in the field of the area), obtained from the access control devices of other areas or obtained from the monitoring platform before the local offline operation of the access control device.
In this embodiment, the identification module first obtains personnel authentication data of the person requesting passage, then compares the personnel authentication data with default personnel data, and if identity information matched with the personnel authentication data is found, sends the identity information as the passage requesting data to the entrance guard control module of the entrance guard device. Alternatively, the identity information may be a person number. It should be noted that, the embodiment that the identification module determines the identity information of the person requesting the passing through the two-dimensional code data, the passing card data and the face recognition data can be realized through a relatively mature prior art means.
Further, in a preferred embodiment, as shown in fig. 2, it may be determined whether the requested traffic data is legal by specifically including step S101, step S102 and step S103.
The step S101 includes: judging whether the person requesting the passing has the passing authority according to the passing request data and the personnel authority data. Specifically, the access control module determines the identity of the requesting passer through the requesting passer data, and then judges whether the requesting passer has the authority to enter and exit the access control device according to the personnel authority data.
Step S102 includes: when the passing request personnel is judged to have passing rights, whether the passing identification state of the passing request personnel is qualified or not is judged according to the history passing record, the regional data, the passing level and the management category.
In a specific embodiment, referring to fig. 3, it may be determined whether the entry and exit identification status of the person requesting passage is acceptable in the following manner, specifically including step S1021, step S1022 and step S1023.
Step S1021 includes: and judging whether the management category is non-closed-loop management.
Step S1022 includes: if the management type is closed-loop management, judging whether the current pass belongs to legal entry and exit or not according to the regional data, the pass level and the history pass record.
Step S1023 includes: if the management type is non-closed-loop management or the current pass is judged to be legal in and out according to the regional data, the pass level and the history pass record, judging that the in and out identification state is qualified; if the current pass judged according to the regional data, the pass level and the history pass record does not belong to legal passing in and out, judging that the passing in and out identification state is unqualified.
In the embodiment, when the management type of the request traffic personnel is non-closed-loop management, the request traffic personnel is not limited in passing through the access control device, so that whether the current traffic of the request traffic personnel belongs to legal entry and exit is not required to be judged, and the entry and exit identification state of the request traffic personnel is directly judged to be qualified; when the management type of the request traffic personnel is closed-loop management, the request traffic personnel is controlled by the access control device, and the legitimacy of the access identification state of the request traffic personnel is evaluated by combining area data, traffic level and multiparty factors of the history traffic record. For example, according to the area data, it can be known that the access mode of the area C allowed to access is that a certain entrance guard device of the area a or the area B enters, if a certain request passer wants to enter the area C from a certain entrance guard device of the area a, and according to the history of the request passer, the request passer does not have a history track of legal access to the area a, then the access identification state of the current pass is illegal, and if the request passer has a history track of legal access to the area a, but the pass level of the entrance guard device requested to pass is not allowed to cross the area or limit access, then the access identification state of the current pass is illegal, that is, only if the request passer has a legal history track, and the pass level of the entrance guard device meets the requirement, then the access identification state of the current pass is legal.
Step S103 includes: when judging that the passing-in and out identification state of the passing-requesting personnel is qualified, judging that the passing-requesting data is legal; and when judging that the passing identification state of the requesting passing person is unqualified or the requesting passing person does not have passing right, judging that the requesting passing data is illegal.
Further, in a preferred embodiment, the passgate data may be obtained by: and generating the gate passing data through a gate passing monitoring module in the gate inhibition management system.
In one particular embodiment, the pass record may be generated from the passgate data by:
determining the entrance and exit actions of the requested passers in the pass record according to the pass data, and determining the number of the entrance and exit persons in the pass record; wherein, the access action is normal access, gate running or retrograde.
In some embodiments, the passgate monitoring module comprises a plurality of human body detectors for generating detection signals when detecting personnel, and the human body detectors are arranged according to a set rule; the set rule may be: each human body detector is arranged in a straight line according to a preset interval and the entering and exiting direction of the entrance guard device, so that each human body detector can sequentially generate detection signals when a person passes through the entrance guard device, and each detection signal forms passing data; in this embodiment, if the sequence of the detection signals generated by the passing-gate monitoring module is consistent with the sequence generated when the personnel passes through the access control device according to the passing direction (entering or exiting), the entering and exiting actions can be judged to be normal entering and exiting; under normal conditions, the opening time of the gate is limited, and if the gate opening signal is invalid or after the gate inhibition controller stops outputting the gate opening signal, the gate passing monitoring module still generates a detection signal, so that the gate entering and exiting actions can be judged to be gate running; if the sequence of the detection signals generated by the passing gate monitoring module is opposite to the sequence generated when the personnel passes through the gate inhibition device according to the passing direction, the entering and exiting actions can be judged to be retrograde.
Further, in a preferred embodiment, the access control method further comprises the steps of:
if the entering and exiting actions are gate running or reverse running, an alarm signal for controlling an alarm module in the access control system to alarm and a snapshot signal for controlling a camera module in the access control system to take a snapshot are generated. Specifically, after receiving the alarm signal, the alarm module sends out a voice alarm signal and/or a warning light signal to prompt security personnel that the access control device has illegal access behaviors; after receiving the snapshot signal, the camera module can snapshot the illegal person, so that security personnel can confirm the appearance characteristics and the like of the illegal person, and provide visual evidence for the follow-up determination of the identity of the illegal person.
Further, in a preferred embodiment, the access control method further comprises the steps of:
and sending the traffic records to a monitoring platform in the access control management system, so that the traffic records are displayed through the monitoring platform, and security personnel in a master control room can monitor traffic conditions in the jurisdiction of the access control management system in real time.
Referring to fig. 4, which is a schematic structural diagram of an access control system according to some embodiments of the present invention, the access control system includes a plurality of access control units disposed in different areas, each of the access control units includes an access control module 4, an identification module 1 for generating request traffic data, a gate 2 for opening a gate when receiving a gate opening signal, and a gate monitoring module 3 for generating gate opening data.
Further, the entrance guard control module 4 includes a record acquisition unit 41, a first processing unit 42, and a second processing unit 43.
Wherein the record acquisition unit 41 is configured to acquire a history of passage records of the requested passage person.
The first processing unit 42 is configured to determine whether the requested traffic data is legal according to the preset permission data and the history traffic record; the preset permission data comprise personnel permission data, area data, a pass level and a management category.
The second processing unit 43 is configured to output a gate opening signal when the request traffic data is legal, generate a traffic record according to the gate passing data, and distribute the traffic record to gate control devices in other areas through the CANFD bus.
In a preferred embodiment, the passgate monitoring module 3 comprises a number of human body detectors for generating detection signals when a person is detected; the human body detectors are arranged according to a set rule.
Accordingly, the second processing unit 43 is configured to determine, according to each detection signal, an entering and exiting action of a person requesting for a pass in the pass record, and determine the number of entering and exiting persons in the pass record; wherein the access action is normal access, gate running or retrograde; and generates an alarm signal and a snapshot signal when the entering and exiting actions are gate running or reverse running.
Further, in a preferred embodiment, as shown in fig. 4, the access control module 4 further comprises a third processing unit 44 for generating an alarm signal and a snapshot signal when the access is a jogging or a reversing.
Further, in a preferred embodiment, as shown in fig. 4, each access control unit further comprises an alarm module 5 for alarming according to an alarm signal and/or a camera module 6 for taking a snapshot according to a snapshot signal.
In the present specification, each embodiment is described in a progressive manner, and each embodiment is mainly described in a different point from other embodiments, and identical and similar parts between the embodiments are all enough to refer to each other. For the device disclosed in the embodiment, since it corresponds to the method disclosed in the embodiment, the description is relatively simple, and the relevant points refer to the description of the method section.
Those of skill would further appreciate that the various illustrative elements and algorithm steps described in connection with the embodiments disclosed herein may be implemented as electronic hardware, computer software, or combinations of both, and that the various illustrative elements and steps are described above generally in terms of functionality in order to clearly illustrate the interchangeability of hardware and software. Whether such functionality is implemented as hardware or software depends upon the particular application and design constraints imposed on the solution. Skilled artisans may implement the described functionality in varying ways for each particular application, but such implementation decisions should not be interpreted as causing a departure from the scope of the present invention.
The steps of a method or algorithm described in connection with the embodiments disclosed herein may be embodied directly in hardware, in a software module executed by a processor, or in a combination of the two. The software modules may be disposed in Random Access Memory (RAM), memory, read Only Memory (ROM), electrically programmable ROM, electrically erasable programmable ROM, registers, hard disk, a removable disk, a CD-ROM, or any other form of storage medium known in the art.
It is to be understood that the above examples only represent preferred embodiments of the present invention, which are described in more detail and are not to be construed as limiting the scope of the invention; it should be noted that, for a person skilled in the art, the above technical features can be freely combined, and several variations and modifications can be made without departing from the scope of the invention; therefore, all changes and modifications that come within the meaning and range of equivalency of the claims are to be embraced within their scope.
Claims (10)
1. An access control management method based on a CANFD bus is used for each access control device arranged in different areas in an access control management system, and is characterized by comprising the following steps:
acquiring a history passing record of a person requesting passing;
judging whether the request traffic data is legal or not according to preset permission data and the history traffic record; the preset authority data comprise personnel authority data, area data, passing levels and management categories;
when judging that the request traffic data is legal, outputting a gate opening signal, acquiring gate passing data to generate a traffic record according to the gate passing data, and distributing the traffic record to the gate inhibition device in other areas through a CANFD bus.
2. The CANFD bus-based entrance guard management method according to claim 1, comprising, before the step of judging whether the requested traffic data is legal or not based on the preset authority data and the history traffic record:
the identification module in the access control system acquires personnel authentication data of the personnel requesting passing, and the identification module generates the data requesting passing according to default personnel data and the personnel authentication data; the identification module comprises at least one of a face identification integrated machine, a card reader and a code scanner.
3. The CANFD bus-based access control method according to claim 1, wherein the step of judging whether the requested traffic data is legal or not based on the preset authority data and the history traffic record, comprises:
judging whether the passing requesting personnel has passing rights or not according to the passing requesting data and the personnel rights data;
when judging that the requested passing personnel has passing rights, judging whether the passing identification state of the requested passing personnel is qualified or not according to the history passing record, the regional data, the passing level and the management category;
and when judging that the passing-in and-out identification state of the request passing personnel is qualified, judging that the request passing data is legal.
4. The CANFD bus-based access control method of claim 3, wherein the management category is closed loop management or non-closed loop management;
the step of judging whether the passing identification state of the person requesting passing is qualified according to the history passing record, the area data, the passing level and the management category comprises the following steps:
if the management category is the non-closed-loop management, judging that the in-out identification state is qualified;
if the management category is the closed-loop management, judging whether the passing belongs to legal passing or not according to the regional data, the passing level and the history passing record, and if so, judging that the passing identification state is qualified; wherein the pass level includes allowing, disallowing, restricting access, or restricting entry and exit.
5. The CANFD bus-based access control method according to any one of claims 1 to 4, wherein in the step of acquiring pass data, comprising:
generating the gate passing data through a gate passing monitoring module in the gate inhibition management system;
the step of generating a pass record according to the pass data comprises the following steps:
determining the passing actions of the passing-requesting personnel in the passing record according to the passing data, and determining the passing number in the passing record; wherein the access action is normal access, gate running or retrograde.
6. The CANFD bus-based access control method of claim 5, further comprising:
if the entering and exiting actions are the gate running or the reverse running, an alarm signal for controlling an alarm module in the gate inhibition management system to alarm and a snapshot signal for controlling a camera module in the gate inhibition management system to take a snapshot are generated.
7. The CANFD bus-based access control method of claim 5, further comprising:
and sending the pass record to a monitoring platform in the access control management system so as to display the pass record through the monitoring platform.
8. An entrance guard management system based on CANFD bus, its characterized in that includes a plurality of entrance guard management units of locating different regions, every entrance guard management unit includes:
the identification module is used for generating request traffic data;
the gate is used for opening the gate when receiving the gate opening signal;
the gate monitoring module is used for generating gate data;
an access control module, comprising:
the record acquisition unit is used for acquiring a history passing record of the passing requesting personnel;
the first processing unit is used for judging whether the request traffic data is legal or not according to the preset permission data and the history traffic record; the preset authority data comprise personnel authority data, area data, passing levels and management categories;
and the second processing unit is used for outputting the opening signal when judging that the request traffic data is legal, generating a traffic record according to the passing data, and distributing the traffic record to the access control device in other areas through a CANFD bus.
9. The CANFD bus-based access control system of claim 8, wherein the passgate monitoring module includes a number of human body detectors for generating detection signals when a person is detected; the human body detectors are arranged according to a set rule;
the second processing unit is used for determining the entering and exiting actions of the passing-requesting personnel in the passing record according to the detection signals and determining the entering and exiting number of the passing personnel in the passing record; wherein the access action is normal access, gate running or retrograde; and generating an alarm signal and a snapshot signal when the entering and exiting actions are the gate running or the reverse running.
10. The CANFD bus-based access control system of claim 9, wherein the access control module further includes a third processing unit for generating an alarm signal and a snapshot signal when the entry and exit actions are the jogging or reversing;
each access control management unit further comprises an alarm module for alarming according to the alarm signal and/or a shooting module for shooting according to the shooting signal.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202211625860.5A CN116416719A (en) | 2022-12-16 | 2022-12-16 | Access control management method and system based on CANFD bus |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202211625860.5A CN116416719A (en) | 2022-12-16 | 2022-12-16 | Access control management method and system based on CANFD bus |
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| CN116416719A true CN116416719A (en) | 2023-07-11 |
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| CN202211625860.5A Pending CN116416719A (en) | 2022-12-16 | 2022-12-16 | Access control management method and system based on CANFD bus |
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| Country | Link |
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