CN105354389A - Digital model based region security analysis method - Google Patents
Digital model based region security analysis method Download PDFInfo
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- CN105354389A CN105354389A CN201510853841.1A CN201510853841A CN105354389A CN 105354389 A CN105354389 A CN 105354389A CN 201510853841 A CN201510853841 A CN 201510853841A CN 105354389 A CN105354389 A CN 105354389A
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Abstract
The invention relates to the field of airplane design, and specifically to a digital model based region security analysis method. The analysis method comprises the following steps: step 1, performing visual partition on airplane regions; step 2, establishing a region equipment set; step 3, establishing an electronic model machine; step 4, making region security criteria; and step 5, performing region security analysis. According to the digital model based region security analysis method, the dangerous sources are integrated into the product model in the digital mode, so that the dangerous factors for the airplane can be found vividly in time in designing the airplane so as to take security measures; and the region security criteria are embedded in a software for realizing the automatic region security analysis and examination on each region of the airplane so as to find possible-occurring unsafe factors and to make an item list with potential safety hazards, and the parts with the potential safety hazards are improved, so that the analysis method has the advantages that the time loss caused by the later design changing is avoided, the design period for the airplane is effectively shortened, the working efficiency is improved, the analysis method is high in operability, and the like.
Description
Technical field
The present invention relates to aircraft product design field, particularly relate to a kind of region security analytical approach based on digital model.
Background technology
Region security analyzes (ZonalSafetyAnalysis, i.e. ZSA) as an important content of system safety analysis, see Douglas (Douglas) Aircraft Company the earliest abroad, then other airlines such as Air Passenger, also all establishes corresponding region security routine analyzer.American-European aircraft industry department and civil aviation mangement department have formulated such as a series of top document such as " SAEARP4754 civil aircraft and system development guide ", " FAA security of system handbook ", " FAA system security management outline ", wherein propose region security analytical approach in " SAEARP4761 carries out criterion and the method for security assessment procedure to civil onboard system and equipment ".
In region security analysis and research, studies in China is weaker.China, once in 1998, has put into effect " HB7583-98 aircraft region safety analysis aircraft industry standard ".The domestic analysis to region security has also nearly all continued to use HB7583-98; Domestic only have universities and colleges of unit few in number to do region security analysis.See on the whole, domestic region security analysis and research are still in starting and exploratory stage, and the research and practice of region security analysis is very deficient, lacks concrete, clear and definite implementation method, have a long way to go with international most advanced level, remain problems and need research badly and solve.
The region security analytical approach of present stage is the region security analysis carried out on the bases such as former drawing, technological document, on model machine, check the security of respective regions afterwards, this method has the problems such as efficiency is low, security is not directly perceived, poor operability.
Summary of the invention
The object of this invention is to provide a kind of region security analytical approach based on digital model.The method is based on digitizing means, by the region security analysis being originally confined to the basis such as drawing, technological document is carried out, be integrated in the three-dimensional model of product, the digitizing of feasible region safety analysis and visual, thus provide the analysis means of accurate quick and clear and intuitive information for region security design analysis, evade the feature of traditional area safety analysis poor operability.
For achieving the above object, the technical solution used in the present invention is:
Based on a region security analytical approach for digital model, comprising:
The visual partiting step in aircraft region:
On the basis of aircraft model machine Three Dimensional Design Model, according to Region dividing principle, compartmentalization segmentation is carried out to aircraft model machine;
Set up area equipment collection step:
Dangerous matter sources equipment is listed according to aircraft dangerous matter sources attribute, and dangerous matter sources attribute of annotating in the three-dimensional model of product, in the three-dimensional model to highlight;
Set up digital prototype step:
In three-dimensional software, the equipment collection of mark dangerous matter sources attribute is reconfigured, and add the contents such as aircraft body structure, framework, equipment, pipeline, cable;
Formulate region security criterion step:
Region security criterion is the foundation that region security is analyzed, region security criterion comprises installation guideline, the maintenance criterion of interactional criterion, subsystem and equipment and the subsystem functions between subsystem and equipment of aircraft subsystem and equipment, and concrete should work out according to basis of compilation;
Region security analytical procedure:
Region security analysis rule is embedded in three-dimensional software, thus realizes carrying out the inspection of region security automatic analysis based on digital model, if meet the requirement of region security analysis rule, export conclusion; If do not meet the requirement of region security analysis rule, Non-Compliance is listed inventory, finally inventory is given designer, designer improves according to improvement item inventory.
Further, the Region dividing principle in the visual partiting step in described aircraft region comprises and dividing with reference to aircraft cabin section, according to the composition boundary division of aircraft with divide according to inspection and maintenance requirement.
Further, describedly set up that dangerous matter sources attribute in area equipment collection step refers to temperature, pressure, toxicity, vibration, noise, radiation, chemical reaction, pollution, material go bad, catch fire, explode, electrically, acceleration and machinery.
Further, described in described formulation region security criterion step, the concrete basis of compilation of region security criterion refers to:
(1) system and structural design guide, technical requirement;
(2) national military standard;
(3) system installation requirement log file;
(4) accident report;
(5) system design scheme;
(6) military service use experience;
(7) dangerous matter sources.
Region security analytical approach based on digital model provided by the invention, by the area attribute of product, dangerous matter sources attribute, be integrated in product model with digitized means, make airplane design personnel when carrying out aircraft product design, directly perceived and Timeliness coverage aircraft hazards, take safety Design measure, evade or reduce aircraft utilization danger; Region security design criteria is embedded in software, realize each region of aircraft and automatically carry out region security analytical review, judge each subsystem or potential the influencing each other and install the order of severity of the inherent peril existed at it of equipment, analyze the possibility producing maintenance error, find contingent unsafe factor as early as possible, innovative approach is proposed, avoid late design and change the time material damage brought, effectively reduce the design cycle of aircraft, raising work efficiency, there is the advantages such as workable.
Accompanying drawing explanation
Accompanying drawing to be herein merged in instructions and to form the part of this instructions, shows the embodiment meeting Ben Aima, and is used from instructions one and explains principle of the present invention.
Fig. 1 is a kind of according to an embodiment of the invention process flow diagram of the region security analytical approach based on digital model.
Embodiment
Here will be described exemplary embodiment in detail, its sample table shows in the accompanying drawings.
Based on a region security analytical approach for digital model, process flow diagram is shown in Fig. 1, carries out, comprising according to following steps:
Step one: the visual division in aircraft region:
First, on the basis of aircraft first sample Three Dimensional Design Model, according to Region dividing principle, compartmentalization segmentation is carried out to aircraft.Region dividing principle comprises the division with reference to aircraft cabin section, the composition boundary division according to aircraft and divides according to inspection and maintenance requirement, and Region dividing has following characteristics:
A) zoning should be simple and clear;
B) each region should divide by actual tangible limit as far as possible;
C) size in region should be able to do careful multianalysis inspection in region;
D) areal map should be able to be known and indicates border;
E) zone boundary should comprise dependency structure sidewall.
Such as according to aircraft composition interface, aircraft is divided into head, port wing, starboard wing, tail, cabin, according to aircraft cabin section, cabin is divided into again front deck, middle deck and rear deck, according to inspection with middle deck is divided into bulkhead by maintenance requirement, cabin is pushed up.
Step 2: set up area equipment collection:
In the aircraft first sample design phase, attribute of annotating in product three-dimensional model, as being subordinate to region and subsystem, physics occupy-place, dangerous matter sources etc., by filling area attribute, the equipment calls of feasible region subsystem, automatic formation zone equipment list; By filling physics occupy-place attribute, determine the volume coordinate of product.
According to aircraft preliminary risk analysis result, list dangerous matter sources equipment, dangerous matter sources of annotating in product three-dimensional model attribute (comprise temperature, pressure, toxicity, vibration, noise, radiation, chemical reaction, pollution, material go bad, catch fire, explode, electrically, acceleration, machinery), shows with outstanding color in the three-dimensional model.
Such as tire is under the jurisdiction of Landing Gear System, and tire is a kind of explosives, can see that the Landing Gear System belonging to tire and tire is a kind of dangerous position very intuitively, need redness to be pointed out by the dangerous attribute marking tire.
Step 3: set up digital prototype:
In CATIA, LCA, add aircraft body structure, framework, equipment, pipeline, cable etc., set up regional Electronic model machine according to volume coordinate and area attribute, digital prototype is intuitively accurate, very clear for dangerous matter sources recognition of devices.
By living dangerous attribute to each parts of aircraft, dangerous attribute, hazardous components and dangerous system can be seen very intuitively.
Step 4: formulate region security criterion:
Region security criterion is the foundation that region security is analyzed, region security criterion comprises installation guideline, the maintenance criterion of interactional criterion, subsystem and equipment and the subsystem functions between subsystem and equipment of aircraft subsystem and equipment, and concrete should work out according to basis of compilation.
According to design experiences, requirement of system design, provide the design restriction that must carry out, the basis of compilation that establishment region security criterion is concrete comprises following content:
1) system and structural design guide, technical requirement;
2) national military standard;
3) system installation requirement log file;
4) accident report;
5) system design scheme;
6) military service use experience;
7) dangerous matter sources.
Such as learn that tire burst can affect the aircraft on tire top according to analysis rule, when working out region security criterion be then, tire burst will have an impact to the border circular areas that aircraft base diameter above tire is A, and diameter A learns according to design guidelines or design experiences.
Step 5: region security analysis,
Based on the region security analysis rule that above content is formulated, region security analysis rule is embedded in software, thus realize carrying out the inspection of region security automatic analysis based on digital model, according to analytical review result, if meet the requirement of region security analysis rule, export and meet conclusion; If do not meet the requirement of region security analysis rule, Non-Compliance is listed inventory, finally inventory is given designer, designer improves according to improvement item inventory.
The impact of the tire burst such as described in step 4, the border circular areas be improved to bottom to aircraft that designer can make according to its impact carries out intensive treatment.
The region security analysis will being originally confined to the basis such as drawing, technological document is carried out based on digitized region security analytical approach of the present invention, be integrated in the three-dimensional model of product, the digitizing of feasible region safety analysis and visual, thus provide the analysis means of accurate quick and clear and intuitive information for region security design analysis, evade the feature of traditional area safety analysis poor operability.Digitized means save manpower, avoid late design and change the time material damage brought, and have evaded the drawback verified aircraft material object, reach saving funds, shorten the lead time, reduce developing risk.
The above; be only a specific embodiment of the present invention, but protection scope of the present invention is not limited thereto, is anyly familiar with those skilled in the art in the technical scope that the present invention discloses; the change that can expect easily or replacement, all should be encompassed within protection scope of the present invention.Therefore, protection scope of the present invention should be as the criterion with the protection domain of described claim.
Claims (4)
1., based on a region security analytical approach for digital model, it is characterized in that: comprising:
The visual partiting step in aircraft region:
On the basis of aircraft model machine Three Dimensional Design Model, according to Region dividing principle, compartmentalization segmentation is carried out to aircraft model machine;
Set up area equipment collection step:
Dangerous matter sources equipment is listed according to aircraft dangerous matter sources attribute, and dangerous matter sources attribute of annotating in the three-dimensional model of product, in the three-dimensional model to highlight;
Set up digital prototype step:
In three-dimensional software, the equipment collection of mark dangerous matter sources attribute is reconfigured, and add aircraft body structure, framework, equipment, pipeline, cable content;
Formulate region security criterion step:
Region security criterion is the foundation that region security is analyzed, region security criterion comprises installation guideline, the maintenance criterion of interactional criterion, subsystem and equipment and the functions of subsystem between subsystem and equipment of aircraft subsystem and equipment, and concrete should work out according to basis of compilation;
Region security analytical procedure:
Region security analysis rule is embedded in three-dimensional software, thus realizes carrying out the inspection of region security automatic analysis based on digital model, if meet the requirement of region security analysis rule, export conclusion; If do not meet the requirement of region security analysis rule, Non-Compliance is listed inventory, finally inventory is given designer, designer improves according to improvement item inventory.
2. the region security analytical approach based on digital model according to claim 1, is characterized in that: the Region dividing principle in the visual partiting step in described aircraft region comprises and dividing with reference to aircraft cabin section, according to the composition boundary division of aircraft with divide according to inspection and maintenance requirement.
3. the region security analytical approach based on digital model according to claim 1, is characterized in that: describedly set up that dangerous matter sources attribute in area equipment collection step refers to temperature, pressure, toxicity, vibration, noise, radiation, chemical reaction, pollution, material go bad, catch fire, explode, electrically, acceleration and machinery.
4. the region security analytical approach based on digital model according to claim 1, is characterized in that: described in described formulation region security criterion step, the concrete basis of compilation of region security criterion refers to:
(1) system and structural design guide, technical requirement;
(2) national military standard;
(3) system installation requirement log file;
(4) accident report;
(5) system design scheme;
(6) military service use experience;
(7) dangerous matter sources.
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| CN201510853841.1A CN105354389A (en) | 2015-11-30 | 2015-11-30 | Digital model based region security analysis method |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN108304664A (en) * | 2018-02-06 | 2018-07-20 | 北京航天发射技术研究所 | A kind of safety Design method of on-board high-voltage power supply-distribution system and design device |
| CN109783922A (en) * | 2018-01-08 | 2019-05-21 | 北京航空航天大学 | A kind of local product design method, system and its application based on function and environmental factor |
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Application publication date: 20160224 |