CN103389934B - The system of operation monitoring is realized based on hardware binary channels - Google Patents
The system of operation monitoring is realized based on hardware binary channels Download PDFInfo
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- CN103389934B CN103389934B CN201210139930.6A CN201210139930A CN103389934B CN 103389934 B CN103389934 B CN 103389934B CN 201210139930 A CN201210139930 A CN 201210139930A CN 103389934 B CN103389934 B CN 103389934B
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Abstract
The invention discloses a kind of system realizing operation monitoring based on hardware binary channels; Comprise external timer, fault management passage 1, master scheduler task module, fault management passage 2, external timer periodic triggers fault management passage 1, trigger master scheduler task module by fault management passage 1 again to control system cloud gray model, poll has checked whether that fault produces simultaneously, master scheduler task module cycle trigger fault management channels 2, again by this passage trigger external house dog, checked whether that fault produces, only having fault management passage 1 and fault management passage 2 all to assert does not have fault generation to export simultaneously.The present invention can effectively monitor its operational process, to guarantee that any security process can both complete within the time determined.
Description
Technical field
The invention belongs to safe design field, for realizing the operation monitoring in Safety-Critical System.
Background technology
At present, in industrial control system and safety signal system (being applied to the industries such as aviation electronics, railway signal, nuclear power), tackle its operational process to monitor, to guarantee that any security process can both complete within the time determined, any process do not completed in official hour window all should be regarded as fault, and failure to the safe side timely and effectively.
Fig. 1 is existing system binary channels monitoring structure illustraton of model, represents that any process of security system comprises safe input, safe storage, safe computing, Safety output, secure communication all adopts different hardware corridors to carry out operation monitoring, and the result of monitoring is as output controlled condition.
Fig. 2 is the hardware binary channels monitoring structure figure of an existing single system, external timer controls as system cloud gray model, periodic triggers master scheduler task, realize above security process, master scheduler task difference trigger internal house dog and outer watchdog in each operational process simultaneously, if any process exceeds time window limited range, then house dog can export by cutting system, system is made to enter safe condition, hardware single channel fault not influential system safety.
Summary of the invention
Technical matters to be solved by this invention is to provide a kind of system realizing operation monitoring based on hardware binary channels; It can effectively be monitored its operational process, to guarantee that any security process can both complete within the time determined.
In order to solve above technical matters, the invention provides a kind of system realizing operation monitoring based on hardware binary channels; Comprise external timer, fault management passage 1, master scheduler task module, fault management passage 2, external timer periodic triggers fault management passage 1, trigger master scheduler task module by fault management passage 1 again to control system cloud gray model, poll has checked whether that fault produces simultaneously, master scheduler task module cycle trigger fault management channels 2, again by this passage trigger external house dog, checked whether that fault produces, only having fault management passage 1 and fault management passage 2 all to assert does not have fault generation to export simultaneously.
Beneficial effect of the present invention is: can effectively monitor its operational process, to guarantee that any security process can both complete within the time determined.
Operation monitoring hardware binary channels comprises the house dog of two differentiation, wherein, inner house dog is for monitoring the time determinability of main task and all security process, and any process exceeds time window limited range and all can report to the police to two fault management passages, makes system make safe handling; Outer watchdog is then for the time determinability of the state and master scheduler task module safety process of monitoring all tasks, and the fault of any link causes feeding dog, all can export by cutting system, makes system enter safe condition.
Fault management binary channels comprises the fault handling mode of two differentiation, wherein, fault management passage 1 adopts the mode of Interruption poll initiatively to check that warning message processes, fault management passage 2 is then that the mode adopting semaphore to trigger processes warning message, and the two is all make security reaction according to predefined failure code by fault level.
Also comprise timer internal, it is mainly used in the running status of master scheduler task module to its each functional module of inside and monitors, the time limit determined has been exceeded when certain functional module execution time, master scheduler task module can be reported to the police to two fault management passages simultaneously, and makes security reaction by fault management module.
External timer for running control should adopt different clock sources from the inside house dog for monitoring and outer watchdog.
Inner house dog and outer watchdog all should adopt Windowed watchdog.
Accompanying drawing explanation
Below in conjunction with the drawings and specific embodiments, the present invention is described in further detail.
Fig. 1 is a kind of existing system binary channels monitoring structure illustraton of model;
Fig. 2 is the hardware binary channels monitoring structure figure of another kind of existing single system;
Fig. 3 is the schematic diagram of the system realizing operation monitoring described in the embodiment of the present invention based on hardware binary channels.
Embodiment
The invention provides a kind of system being realized security system operation monitoring by hardware binary channels, this system can be applied to fields such as including but are not limited to: safety signal system, industrial control system, is particularly useful for the railway signal system meeting fault-safety principle principle.
Fig. 3 is the system construction drawing realizing operation monitoring based on hardware binary channels of the present invention, this system have employed operation monitoring hardware binary channels simultaneously and fault management software is twin-channel realizes system: external timer periodic triggers fault management passage 1, trigger master scheduler task by this passage again to control system cloud gray model, poll has checked whether that fault produces simultaneously, main task cycle trigger fault management channels 2, again by this passage trigger external house dog, checked whether that fault produces, only having two passages all to assert does not have fault generation to export simultaneously;
In the control structure shown in Fig. 3, operation monitoring hardware binary channels comprises the house dog of two differentiation, wherein, inner house dog is mainly used in the time determinability monitoring main task and all security process, any process exceeds time window limited range and all can report to the police to two fault management passages, makes system make safe handling; Outer watchdog is then for the time determinability of the state and main task security process of monitoring all tasks, and the fault of any link causes feeding dog, all can export by cutting system, makes system enter safe condition.
In the control structure shown in Fig. 3, fault management software binary channels comprises the fault handling mode of two differentiation, wherein, fault management passage 1 adopts the mode of Interruption poll initiatively to check that warning message processes, fault management passage 2 is then that the mode adopting semaphore to trigger processes warning message, and the two is all make security reaction according to predefined failure code by fault level.Timer internal is mainly used in the running status of master scheduler task to its each functional module of inside and monitors, the time limit determined has been exceeded when certain functional module execution time, main task can be reported to the police to two fault management passages simultaneously, and makes security reaction by fault management module.
The present invention is not limited to embodiment discussed above.Above the description of embodiment is intended to describe and the technical scheme that the present invention relates to being described.Based on the present invention enlightenment apparent conversion or substitute also should be considered to fall into protection scope of the present invention.Above embodiment is used for disclosing best implementation system of the present invention, can apply numerous embodiments of the present invention and multiple alternative to reach object of the present invention to make those of ordinary skill in the art.
Claims (4)
1. one kind realizes the system of operation monitoring based on hardware binary channels, it is characterized in that, comprise external timer, fault management passage 1, master scheduler task module and fault management passage 2, external timer periodic triggers fault management passage 1, trigger master scheduler task module by fault management passage 1 again to control system cloud gray model, poll has checked whether that fault produces simultaneously, master scheduler task module cycle trigger fault management channels 2, again by this passage trigger external house dog, checked whether that fault produces simultaneously, only having fault management passage 1 and fault management passage 2 all to assert does not have fault generation to export,
Operation monitoring hardware binary channels comprises the house dog of two differentiation, wherein, inner house dog is for monitoring the time determinability of main task and all security process, and any process exceeds time window limited range and all can report to the police to two fault management passages, makes system make safe handling; Outer watchdog is then for the time determinability of the state and master scheduler task module safety process of monitoring all tasks, and the fault of any link causes feeding dog, all can export by cutting system, makes system enter safe condition;
Fault management software binary channels comprises the fault handling mode of two differentiation, wherein, fault management passage 1 adopts the mode of Interruption poll initiatively to check that warning message processes, fault management passage 2 is then that the mode adopting semaphore to trigger processes warning message, and the two is all make security reaction according to predefined failure code by fault level.
2. the system realizing operation monitoring based on hardware binary channels as claimed in claim 1, it is characterized in that, also comprise timer internal, it is mainly used in the running status of master scheduler task module to its each functional module of inside and monitors, the time limit determined has been exceeded when certain functional module execution time, master scheduler task module can be reported to the police to two fault management passages simultaneously, and makes security reaction by fault management module.
3. the system realizing operation monitoring based on hardware binary channels as claimed in claim 2; It is characterized in that, different clock sources should be adopted for the external timer running control from the inside house dog for monitoring and outer watchdog.
4. the system realizing operation monitoring based on hardware binary channels as claimed in claim 3; It is characterized in that, inner house dog and outer watchdog all should adopt Windowed watchdog.
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| CN108919698B (en) * | 2018-06-07 | 2022-03-15 | 浙江国自机器人技术股份有限公司 | Monitoring system and method for controlling CPU in real time and mobile robot |
| CN108762969A (en) * | 2018-06-07 | 2018-11-06 | 浙江国自机器人技术有限公司 | A kind of monitoring system, method and the mobile robot of real-time control CPU |
| CN110775096B (en) * | 2019-11-01 | 2021-10-26 | 中国铁道科学研究院集团有限公司通信信号研究所 | Automatic monitoring method and device for microelectronic turnout control panel |
| CN110794817A (en) * | 2019-12-03 | 2020-02-14 | 中国兵器装备集团自动化研究所 | Fault safety type current output channel diagnosis system and method thereof |
| CN113454613B (en) * | 2020-10-30 | 2022-08-09 | 华为技术有限公司 | Information transmission method, control device, electromagnetic signal transmitting and receiving device and signal processing equipment |
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Effective date of registration: 20170106 Address after: Suzhou City, Jiangsu province 215163 Suzhou high tech Zone eswell Road No. 2 (city of Suzhou science and Technology Park M4 micro system) Patentee after: Shanghai Suzhou Fuxin Intelligent Traffic Control Co. Ltd. Address before: 201203 Shanghai City, Pudong New Area Zhangjiang hi tech park, yangsoo Road No. 112 Building 2 layer 4 Patentee before: Shanghai Fitsco Intelligent Traffic Control Co., Ltd. |
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Correction item: Patentee|Address Correct: Shanghai Fitsco Intelligent Traffic Control Co., Ltd.|201203 Shanghai City, Pudong New Area Zhangjiang hi tech park, yangsoo Road No. 112 Building 2 layer 4 False: Shanghai Suzhou Fuxin Intelligent Traffic Control Co. Ltd.|Suzhou City, Jiangsu province 215163 Suzhou high tech Zone eswell Road No. 2 (city of Suzhou science and Technology Park M4 micro system) Number: 04 Volume: 33 |
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Effective date of registration: 20170126 Address after: Suzhou City, Jiangsu province 215163 Suzhou high tech Zone eswell Road No. 2 (city of Suzhou science and Technology Park M4 micro system) Patentee after: Suzhou Fitsco Intelligent Traffic Control Co., Ltd. Address before: 201203 Shanghai City, Pudong New Area Zhangjiang hi tech park, yangsoo Road No. 112 Building 2 layer 4 Patentee before: Shanghai Fitsco Intelligent Traffic Control Co., Ltd. |