CN111176108A - Method, system and equipment for main and standby redundancy of drive test unit - Google Patents
Method, system and equipment for main and standby redundancy of drive test unit Download PDFInfo
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- CN111176108A CN111176108A CN202010006340.0A CN202010006340A CN111176108A CN 111176108 A CN111176108 A CN 111176108A CN 202010006340 A CN202010006340 A CN 202010006340A CN 111176108 A CN111176108 A CN 111176108A
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- G—PHYSICS
- G05—CONTROLLING; REGULATING
- G05B—CONTROL OR REGULATING SYSTEMS IN GENERAL; FUNCTIONAL ELEMENTS OF SUCH SYSTEMS; MONITORING OR TESTING ARRANGEMENTS FOR SUCH SYSTEMS OR ELEMENTS
- G05B9/00—Safety arrangements
- G05B9/02—Safety arrangements electric
- G05B9/03—Safety arrangements electric with multiple-channel loop, i.e. redundant control systems
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Abstract
The invention relates to a method for realizing the redundancy of a main drive test unit and a spare drive test unit, which comprises the following steps: the drive test unit distinguishes a main controller and a standby controller according to a set competition rule when starting; when the drive test unit is in operation, the main controller sends data to the standby controller according to a preset data synchronization rule to perform data synchronization; when the main controller fails, the standby controller takes over the control and processing right of the main controller; dispose two or more than two controllers in the drive test unit, quick affirmation main control unit and standby controller when the drive test unit starts, main control unit moves, can send data to standby controller and synchronize, when the main control unit of accident can't continue the during operation, can reconfirm main control unit to can continue work, adopt the method of this application, can ensure the drive test unit still can continuous operation when breaking down.
Description
Technical Field
The present invention relates to the technical field of drive test units, and more particularly, to a method, a system, and a device for redundancy between a master drive and a slave drive of a drive test unit.
Background
The drive test unit is a device which is installed at the roadside in an ETC system, communicates with an on-board unit (OBU) by adopting a DSRC (DedicatedShortRangeCommunication) technology, and realizes vehicle identity recognition and electronic deduction;
the existing drive test units are mostly not provided with main and standby redundancy, and when a fault occurs, the drive test units are directly paralyzed and cannot be used continuously.
Disclosure of Invention
The technical problem to be solved by the present invention is to provide a method, a system and a device for active/standby redundancy of a drive test cell, aiming at the above-mentioned defects in the prior art.
The technical scheme adopted by the invention for solving the technical problems is as follows:
a method for constructing main and standby redundancy of a drive test unit is realized by the following steps:
the first step is as follows: the drive test unit distinguishes a main controller and a standby controller according to a set competition rule when starting;
the second step is that: when the drive test unit is in operation, the main controller sends data to the standby controller according to a preset data synchronization rule to perform data synchronization;
the third step: and when the main controller fails, the standby controller takes over the control and processing right of the main controller.
The method for the main/standby redundancy of the drive test unit comprises the step of switching between the main controller and the standby controller through independent group of Ethernet ports or serial ports to realize main/standby logic management.
The invention relates to a method for the redundancy of a main drive test unit and a standby drive test unit, wherein the competition rule comprises the following steps: and comprehensively evaluating and comparing various basic data of the controller, setting the controller with better performance or better stability as a main controller, and setting the rest controllers as standby controllers.
In the method for redundancy between the main and standby drive test units according to the present invention, in the second step, the data synchronization rule includes: the set synchronous data type, the set time node of data synchronization and the set target address of synchronous data.
The method for the main and standby redundancy of the drive test unit comprises the steps that the main controller synchronizes data processed by the service to the standby controller as real time as possible at the idle time of processing the service flow, and the information synchronization of the standby equipment is ensured.
The invention relates to a method for the main and standby redundancy of a drive test unit, which further comprises the following steps: when the main antenna of the drive test unit fails, the main controller pushes the content of the next frame needing to be operated to the standby antenna in real time, and switches the main-standby configuration of the main antenna and the standby antenna of the corresponding lane.
The invention relates to a method for the main and standby redundancy of a drive test unit, which further comprises the following steps: and the drive test unit receives an external instruction and carries out active-standby configuration on the system version of the equipment.
A drive test unit active-standby redundancy system is provided according to the drive test unit active-standby redundancy method, and comprises a plurality of controllers;
the controllers are provided with a first network port for exchanging network data with the outside and a second network port or a serial port for performing main-standby competition, main-standby synchronization and main-standby switching of the controllers.
The invention relates to a main and standby redundant system of drive test units, wherein a plurality of controllers are connected with antennas, and the logic addresses of the antennas are controlled by the controllers connected with the antennas; each controller is in communication connection with any one of the antennas.
A drive test unit device is characterized in that the drive test unit main and standby redundant system is arranged on the drive test unit device.
The invention has the beneficial effects that: dispose two or more than two controllers in the drive test unit, quick affirmation main control unit and standby controller when the drive test unit starts, main control unit moves, can send data to standby controller and synchronize, when the main control unit of accident can't continue the during operation, can reconfirm main control unit to can continue work, adopt the method of this application, can ensure the drive test unit still can continuous operation when breaking down.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the present invention will be further described with reference to the accompanying drawings and embodiments, wherein the drawings in the following description are only part of the embodiments of the present invention, and for those skilled in the art, other drawings can be obtained without inventive efforts according to the accompanying drawings:
fig. 1 is a flowchart of a primary/secondary redundancy method of a drive test unit according to a preferred embodiment of the present invention;
fig. 2 is a schematic block diagram of a primary/standby redundant system of drive test cells according to a preferred embodiment of the present invention.
Detailed Description
In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the following will clearly and completely describe the technical solutions in the embodiments of the present invention, and it is obvious that the described embodiments are some embodiments of the present invention, but not all embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments of the present invention without inventive step, are within the scope of the present invention.
As shown in fig. 1, the method for implementing the active/standby redundancy of the drive test unit according to the preferred embodiment of the present invention is as follows:
s01: the drive test unit distinguishes a main controller and a standby controller according to a set competition rule when starting;
s02: when the drive test unit is in operation, the main controller sends data to the standby controller according to a preset data synchronization rule to perform data synchronization;
s03: when the main controller fails, the standby controller takes over the control and processing right of the main controller;
dispose two or more than two controllers in the drive test unit, quick affirmation main control unit and standby controller when the drive test unit starts, main control unit moves, can send data to standby controller and synchronize, when the main control unit of accident can't continue the during operation, can reconfirm main control unit to can continue work, adopt the method of this application, can ensure the drive test unit still can continuous operation when breaking down.
Preferably, the switching between the main controller and the standby controller is realized by performing main-standby logic management through a single group of Ethernet ports or serial ports; the logical address of the controller can be simply and rapidly controlled and changed through a group of Ethernet ports or serial ports, and the main-standby relationship between the controllers is further changed.
Preferably, the competition rules include: comprehensively evaluating and comparing various basic data of the controller, setting the controller with better performance or better stability as a main controller and setting the rest controllers as standby controllers; and determining the main controller according to the actual requirement setting rule.
Preferably, in the second step, the data synchronization rule includes: the set synchronous data type, the set time node of data synchronization and the set target address of synchronous data.
Preferably, the main controller synchronizes the data processed by the service to the standby controller as real time as possible at the idle time of processing the service flow, so as to ensure the information synchronization of the standby equipment; the controller can work better and continuously when the main controller and the standby controller are switched.
Preferably, the method further comprises the following steps: when the main antenna of the drive test unit fails, the main controller pushes the content to be operated of the next frame to the standby antenna in real time, and switches the main-standby configuration of the main antenna and the standby antenna of the corresponding lane; the main and standby redundancy of the antenna is easy to realize, the logic address is actually controlled by the controller, and only the logic address needs to be modified;
note that, when the controller performs the master/slave switching, the master/slave switching is required.
Preferably, the method further comprises the following steps: and the drive test unit receives an external instruction and performs active/standby configuration on the system version of the equipment.
A primary/secondary redundancy system of a drive test unit, according to the primary/secondary redundancy method of a drive test unit, as shown in fig. 2, includes a plurality of controllers (RSU controller 1 and RSU controller 2 in the figure);
the controllers are provided with a first network port (network port 1) for exchanging network data with the outside, and a second network port (network port 3) or a serial port (serial port 2) for performing main-standby competition, main-standby synchronization and main-standby switching of the controllers.
Preferably, the plurality of controllers are connected with antennas (main antennas 1-5 and standby antennas 1-5), and the logic addresses of the antennas are controlled by the controllers connected with the antennas; each controller is in communication connection with any one of the antennas (as shown in the figure, the connection is carried out according to the mode of the switch);
not only can switch between the controller of simple and easy high efficiency, also can carry out the switching of antenna, the holistic duration of drive test unit is better.
A drive test unit device is provided with the main and standby redundant system of the drive test unit according to the main and standby redundant system of the drive test unit.
It will be understood that modifications and variations can be made by persons skilled in the art in light of the above teachings and all such modifications and variations are intended to be included within the scope of the invention as defined in the appended claims.
Claims (10)
1. A method for realizing the main and standby redundancy of a drive test unit is characterized by comprising the following steps:
the first step is as follows: the drive test unit distinguishes a main controller and a standby controller according to a set competition rule when starting;
the second step is that: when the drive test unit is in operation, the main controller sends data to the standby controller according to a preset data synchronization rule to perform data synchronization;
the third step: and when the main controller fails, the standby controller takes over the control and processing right of the main controller.
2. The method according to claim 1, wherein the switching between the main controller and the standby controller is implemented by performing main/standby logic management through a single set of ethernet ports or serial ports.
3. The active-standby redundancy method for drive test units according to claim 1 or 2, wherein the contention rule includes: and comprehensively evaluating and comparing various basic data of the controller, setting the controller with better performance or better stability as a main controller, and setting the rest controllers as standby controllers.
4. The method according to claim 1, wherein in the second step, the data synchronization rule includes: the set synchronous data type, the set time node of data synchronization and the set target address of synchronous data.
5. The method according to claim 1, wherein the main controller synchronizes data processed by the service to the standby controller as real time as possible at an idle time of processing the service flow, thereby ensuring information synchronization of the standby devices.
6. The method for active-standby redundancy of drive test units according to claim 1, further comprising: when the main antenna of the drive test unit fails, the main controller pushes the content of the next frame needing to be operated to the standby antenna in real time, and switches the main-standby configuration of the main antenna and the standby antenna of the corresponding lane.
7. The method for active-standby redundancy of drive test units according to claim 1, further comprising: and the drive test unit receives an external instruction and carries out active-standby configuration on the system version of the equipment.
8. A primary and secondary redundancy system of drive test cells according to any one of claims 1 to 7, comprising a plurality of controllers;
the controllers are provided with a first network port for exchanging network data with the outside and a second network port or a serial port for performing main-standby competition, main-standby synchronization and main-standby switching of the controllers.
9. The active-standby redundant system of drive test units according to claim 8, wherein a plurality of controllers are connected with antennas, and logical addresses of the antennas are controlled by the controllers connected with the antennas; each controller is in communication connection with any one of the antennas.
10. A drive test unit device, according to any one of claims 8 to 9, wherein the drive test unit device is provided with the drive test unit primary/secondary redundancy system.
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| Application Number | Priority Date | Filing Date | Title |
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| CN202010006340.0A CN111176108A (en) | 2020-01-03 | 2020-01-03 | Method, system and equipment for main and standby redundancy of drive test unit |
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| CN202010006340.0A CN111176108A (en) | 2020-01-03 | 2020-01-03 | Method, system and equipment for main and standby redundancy of drive test unit |
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| CN202010006340.0A Pending CN111176108A (en) | 2020-01-03 | 2020-01-03 | Method, system and equipment for main and standby redundancy of drive test unit |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116319080A (en) * | 2023-05-16 | 2023-06-23 | 南方电网数字电网研究院有限公司 | Safe operation method and device for electric power nano relay |
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- 2020-01-03 CN CN202010006340.0A patent/CN111176108A/en active Pending
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| CN101212287A (en) * | 2006-12-30 | 2008-07-02 | 北京三星通信技术研究有限公司 | Port based redundant backup method |
| CN101513887A (en) * | 2008-12-29 | 2009-08-26 | 卡斯柯信号有限公司 | Method for competition type hot standby switching of intelligent automatic train monitoring system |
| CN102694669A (en) * | 2011-03-23 | 2012-09-26 | 中兴通讯股份有限公司 | Road side identifier station and method for switching primary road side unit and standby road side unit |
| CN105511989A (en) * | 2015-11-25 | 2016-04-20 | 苏州创智芯电子科技有限公司 | Automatic redundancy switch system for overheating of buses shared by multiple reader-writers |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN116319080A (en) * | 2023-05-16 | 2023-06-23 | 南方电网数字电网研究院有限公司 | Safe operation method and device for electric power nano relay |
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Application publication date: 20200519 |