CN104932960A - System and method for improving Arinc 429 communication system reliability - Google Patents
System and method for improving Arinc 429 communication system reliability Download PDFInfo
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- CN104932960A CN104932960A CN201510227172.7A CN201510227172A CN104932960A CN 104932960 A CN104932960 A CN 104932960A CN 201510227172 A CN201510227172 A CN 201510227172A CN 104932960 A CN104932960 A CN 104932960A
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- 238000004891 communication Methods 0.000 title claims abstract description 136
- 238000000034 method Methods 0.000 title claims abstract description 30
- 238000012544 monitoring process Methods 0.000 claims abstract description 21
- 238000011084 recovery Methods 0.000 claims abstract description 9
- 230000002159 abnormal effect Effects 0.000 claims description 15
- 238000001514 detection method Methods 0.000 claims description 6
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Abstract
The present invention provides a system and method for improving Arinc 429 communication system reliability. The system comprises a first Arinc 429 communication system and a second Arinc 429 communication system that are independent of each other. The method comprises: monitoring in real time whether a currently used communication system among the two independent Arinc 429 communication systems encounters a fault; if a fault occurs, online recovering the faulty Arinc 429 communication system; if the recovery is successful, terminating the process; and if the recovery is unsuccessful, starting the other Arinc 429 communication system. According to the present invention, the reliability of the Arinc 429 communication system in a traffic alert collision avoidance system II (TCAS II), the problem that after an Arinc 429 communication system encounters a hardware fault and theus the TCAS II communication fails is solved, and further the problem that the TACS loses its normal functions when the configuration region of the Arinc 429 communication system fails in a complicated electromagnetic environment or under the single particle reverse effect is solved.
Description
Technical field
The present invention relates to a kind of Arinc429 reliability of communication system improved system and method, particularly relate to and be a kind ofly applicable to Arinc429 reliability of communication system improved system in TCASII airborne collision avoidance system and method.
Background technology
TCASII is a synthesization airborne collision avoidance system, is mainly used in, for aircraft provides air security separation assurance, reaching the object of anticollision.By inquiring, receiving, process the recall signal of other aircraft answering machines, other aircrafts of surrounding are monitored, and calculate the flight trend of relative the machine of other aircrafts in monitoring range, provide traffic alert and resolution alarm suggestion.
The function of TCASII airborne collision avoidance system itself is a lot, and data processing is extremely complicated, and Arinc429 communication system is as its low-speed communication hinge, and its position is vital.Therefore ensureing stability and the correctness of Arinc429 communication system, is be related to the key that can airborne collision avoidance system normally work.
Current Arinc429 communication system is mainly for verifying the protection carried out in data; when Arinc429 communication system cause under the interference of outside complex electromagnetic environment or Single Event Upset effects the power-off of Arinc429 communication system can recovery-type fault time, airborne collision avoidance system will be caused to lose normal function.
Existing TCASII, for the requirement of Arinc429 communication system, mainly in the correctness of data plane, namely carries out the work such as parity checking.And unresolved when after Arinc429 communication system hardware fault, the problem of the TCASII communication failure caused, causes TCASII system to lose alarm ability; Also and Arinc429 communication system configuration district's fault of causing at complex electromagnetic environment or Single Event Upset effect of unresolved Arinc429 communication system and then cause the problem that airborne collision avoidance system loses normal function.
Summary of the invention
The technical problem to be solved in the present invention is to provide a kind of system and method strengthening the Arinc429 reliability of communication system of TCASII airborne collision avoidance system.
Existing technology, the common way of Arinc429 communication system is that single cover Arinc429 communication system is formed, once this Arinc429 communication system hard fault, then TCASII system loses alarm ability.
The technical solution used in the present invention is as follows: a kind of Arinc429 reliability of communication system improved system, is characterized in that, comprising:
Arinc429 communication system, comprises separate first via Arinc429 communication system and the second road Arinc429 communication system;
Real-time monitoring module, extremely whether the currently used first via Arinc429 communication system of monitoring or the second road Arinc429 communication system in real time;
To current, online recovery module, occurs that abnormal Arinc429 communication system is recovered online;
Change circuit judge module, judge whether to need to enable another road Arinc429 communication system;
Circuit switch module, from a road Arinc429 communication system of current use, is switched to and uses another road Arinc429 communication system.
As preferably, also comprise: airborne collision avoidance system cpu data bus fault detection module, detect cpu data bus and whether there is fault.
As preferably, described real-time monitoring module also comprises: the configuring area detection module of Arinc429 communication system chip, detects the correctness of the configuration data in Arinc429 communication system chip configuration district.
As preferably, described online recovery module also comprises: module is recovered in the configuring area of Arinc429 communication system chip, reconfigures the configuring area of fault Arinc429 communication system chip.
Based on the reliability improvement method of above-mentioned Arinc429 reliability of communication system improved system, concrete grammar step is:
Step one, airborne collision avoidance system monitor in real time two-way independently in Arinc429 communication system the current road used whether there is exception, be enter next step;
Step 2, this road Arinc429 communication system to be recovered online, be successfully recovered then process ends, recover unsuccessful, enter next step;
Step 3, enable another road Arinc429 communication system.
As preferably, also comprise between described step 2 and step 3: fault detect is carried out to airborne collision avoidance system cpu data bus, judge whether cpu data bus breaks down, be then process ends, and report cpu bus fault, otherwise perform described step 3.
As preferably, described step also comprises: whether step 4, the in real time current Arinc429 communication system used of monitoring exist exception, Shi Zeduigai road Arinc429 communication system is recovered online, be successfully recovered then process ends, recovering unsuccessful, carry out fault detect to cpu data bus, judge whether cpu data bus breaks down, is then process ends, and report bus failure, otherwise report Arinc429 communication system failure.
As preferably, whether the current Arinc429 communication system used of real-time monitoring exists abnormal concrete grammar comprises: airborne collision avoidance system CPU reads the configuring area of Arinc429 communication system chip in real time, detect the correctness of the configuration data in Arinc429 communication system chip configuration district, correct then there is not exception, otherwise exist abnormal.
As preferably, whether the current Arinc429 communication system used of real-time monitoring exists abnormal concrete grammar also comprises: whether the universal data link that airborne collision avoidance system detects Arinc429 communication system is in real time normal, be there is not exception, otherwise exist abnormal.
As preferably, to the concrete grammar that Arinc429 communication system carries out recovering online be: airborne collision avoidance system CPU reconfigures the configuration data in Arinc429 communication system chip configuration district.
Compared with prior art, the invention has the beneficial effects as follows: the reliability that improve the Arinc429 communication system of TCASII airborne collision avoidance system, solve when after Arinc429 communication system hardware fault, the problem of the TCASII communication failure caused; Solving Arinc429 communication system causes airborne collision avoidance system to lose the problem of normal function in the Arinc429 communication system configuration district fault that complex electromagnetic environment or Single Event Upset effect cause.
Accompanying drawing explanation
Fig. 1 is the method data flow diagram of the present invention's wherein embodiment.
Fig. 2 is the interface schema of the present invention's wherein embodiment.
Embodiment
In order to make object of the present invention, technical scheme and advantage clearly understand, below in conjunction with drawings and Examples, the present invention is further elaborated.Should be appreciated that specific embodiment described herein only in order to explain the present invention, be not intended to limit the present invention.
Arbitrary feature disclosed in this instructions (comprise summary and accompanying drawing), unless specifically stated otherwise, all can be replaced by other equivalences or the alternative features with similar object.That is, unless specifically stated otherwise, each feature is an example in a series of equivalence or similar characteristics.
A kind of Arinc429 reliability of communication system improved system, comprising:
As shown in Figure 2, Arinc429 communication system, comprises separate first via Arinc429 communication system and the second road Arinc429 communication system;
Real-time monitoring module, extremely whether the currently used first via Arinc429 communication system of monitoring or the second road Arinc429 communication system in real time;
To current, online recovery module, occurs that abnormal Arinc429 communication system is recovered online;
Change circuit judge module, judge whether to need to enable another road Arinc429 communication system;
Circuit switch module, from a road Arinc429 communication system of current use, is switched to and uses another road Arinc429 communication system.
Also comprise: airborne collision avoidance system cpu data bus fault detection module, detect cpu data bus and whether there is fault.
Described real-time monitoring module also comprises: the configuring area detection module of Arinc429 communication system chip, detects the correctness of the configuration data in Arinc429 communication system chip configuration district.
Described online recovery module also comprises: module is recovered in the configuring area of Arinc429 communication system chip, reconfigures the configuring area of fault Arinc429 communication system chip.
As shown in Figure 1, based on the reliability improvement method of above-mentioned Arinc429 reliability of communication system improved system, concrete grammar step is:
Step one, airborne collision avoidance system monitor in real time two-way independently in Arinc429 communication system the current road used whether there is exception, be enter next step;
Step 2, this road Arinc429 communication system to be recovered online, be successfully recovered then process ends, recover unsuccessful and be judged as that hard fault appears in this road Arinc429 communication system, cannot get rid of online, then enter next step; Meanwhile, recording the current Arinc429 communication system state used is fault, and reports;
Step 3, close the current Arinc429 communication system using this road, enable another road Arinc429 communication system.
Also comprise between described step 2 and step 3: fault detect is carried out to airborne collision avoidance system cpu data bus, judge whether cpu data bus breaks down, be then process ends, and report cpu bus fault, otherwise perform described step 3.
Described step also comprises: whether step 4, the in real time current Arinc429 communication system used of monitoring exist exception, Shi Zeduigai road Arinc429 communication system is recovered online, be successfully recovered then process ends, recover unsuccessful, fault detect is carried out to cpu data bus, judge whether cpu data bus breaks down, be then process ends, and report cpu bus fault, otherwise report Arinc429 communication system failure.
When carrying out fault detect to cpu data bus, continuous detecting 3 to 5 times (being 3 times in this specific embodiment) does not all detect and passes through, then illustrate that cpu data bus exists fault.
Whether the current Arinc429 communication system used of real-time monitoring exists abnormal concrete grammar comprises: CPU reads the state configuring area of Arinc429 communication system chip in real time, whether the configuration data detecting Arinc429 communication system chip configuration district is consistent with normal configuration, be there is not exception, otherwise exist abnormal.
Whether the current Arinc429 communication system used of real-time monitoring exists abnormal concrete grammar also comprises: whether the universal data link detecting Arinc429 communication system is in real time normal, is there is not exception, otherwise exists abnormal.
In this specific embodiment, carrying out the online concrete grammar recovered to Arinc429 communication system is: airborne collision avoidance system CPU reconfigures the configuration data of Arinc429 communication system chip status configuring area, check real-time monitoring module monitored results simultaneously, if monitored results is still fault, then airborne collision avoidance system CPU reconfigures the configuration data in Arinc429 communication system chip configuration district again, configuration 3 to 5 times (being 5 times in this specific embodiment) is still incorrect so continuously, then illustrate that configuration is unsuccessful.
The realization of technical solution of the present invention can make the Arinc429 communication system of TCASII airborne collision avoidance equipment have higher reliability, continues normal work when can deal with single cover Arinc429 communication system failure.Technical solution of the present invention can solve when complex electromagnetic environment or Single Event Upset effect cause Arinc429 communication system configuration district can recover fault, adopts monitoring in real time and online recovery to recover Arinc429 communication system failure.Make system can continue normal work, and be unlikely to TCASII airborne collision avoidance system and lost efficacy because of Arinc429 communication system failure.
Claims (10)
1. an Arinc429 reliability of communication system improved system, is characterized in that, comprising:
Arinc429 communication system, comprises separate first via Arinc429 communication system and the second road Arinc429 communication system;
Real-time monitoring module, extremely whether the currently used first via Arinc429 communication system of monitoring or the second road Arinc429 communication system in real time;
To current, online recovery module, occurs that abnormal Arinc429 communication system is recovered online;
Change circuit judge module, judge whether to need to enable another road Arinc429 communication system;
Circuit switch module, from a road Arinc429 communication system of current use, is switched to and uses another road Arinc429 communication system.
2. Arinc429 reliability of communication system improved system according to claim 1, is characterized in that, also comprise: airborne collision avoidance system cpu data bus fault detection module, detects cpu data bus and whether there is fault.
3. Arinc429 reliability of communication system improved system according to claim 1 and 2, it is characterized in that, described real-time monitoring module also comprises: the configuring area detection module of Arinc429 communication system chip, detects the correctness of the configuration data in Arinc429 communication system chip configuration district.
4. Arinc429 reliability of communication system improved system according to claim 3, it is characterized in that, described online recovery module also comprises: module is recovered in the configuring area of Arinc429 communication system chip, reconfigures the configuring area of fault Arinc429 communication system chip.
5., based on the reliability improvement method of Arinc429 reliability of communication system improved system described in claim 1, concrete grammar step is:
Step one, airborne collision avoidance system monitor in real time two-way independently in Arinc429 communication system the current road used whether there is exception, be enter next step;
Step 2, this road Arinc429 communication system to be recovered online, be successfully recovered then process ends, recover unsuccessful, enter next step;
Step 3, enable another road Arinc429 communication system.
6. Arinc429 reliability of communication system according to claim 5 is improved one's methods, also comprise between described step 2 and step 3: fault detect is carried out to airborne collision avoidance system cpu data bus, judge whether cpu data bus breaks down, it is then process ends, and report cpu bus fault, otherwise perform described step 3.
7. Arinc429 reliability of communication system according to claim 5 is improved one's methods, described step also comprises: whether step 4, the in real time current Arinc429 communication system used of monitoring exist exception, Shi Zeduigai road Arinc429 communication system is recovered online, be successfully recovered then process ends, recover unsuccessful, fault detect is carried out to cpu data bus, judge whether cpu data bus breaks down, it is then process ends, and report bus failure, otherwise report Arinc429 communication system failure.
8. improve one's methods according to the Arinc429 reliability of communication system one of claim 5 to 7 Suo Shu, whether the current Arinc429 communication system used of real-time monitoring exists abnormal concrete grammar comprises: airborne collision avoidance system CPU reads the configuring area of Arinc429 communication system chip in real time, detect the correctness of the configuration data in Arinc429 communication system chip configuration district, correct then there is not exception, otherwise exist abnormal.
9. improve one's methods according to the Arinc429 reliability of communication system one of claim 5 to 8 Suo Shu, airborne collision avoidance system is monitored the current Arinc429 communication system used in real time and whether be there is abnormal concrete grammar and also comprise: whether the universal data link detecting Arinc429 communication system is in real time normal, be there is not exception, otherwise exist abnormal.
10. Arinc429 reliability of communication system according to claim 8 is improved one's methods, and carries out the online concrete grammar recovered to be to Arinc429 communication system: airborne collision avoidance system CPU reconfigures the configuration data of Arinc429 communication system chip status configuring area.
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN106093623A (en) * | 2016-05-31 | 2016-11-09 | 四川九洲空管科技有限责任公司 | A kind of Arinc429 communication system self-checking system and self checking method |
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