CN106294929A - Satellite low-frequency cable design system, design software framework and method for designing - Google Patents
Satellite low-frequency cable design system, design software framework and method for designing Download PDFInfo
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- CN106294929A CN106294929A CN201610591597.0A CN201610591597A CN106294929A CN 106294929 A CN106294929 A CN 106294929A CN 201610591597 A CN201610591597 A CN 201610591597A CN 106294929 A CN106294929 A CN 106294929A
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F30/00—Computer-aided design [CAD]
- G06F30/30—Circuit design
- G06F30/39—Circuit design at the physical level
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F2111/00—Details relating to CAD techniques
- G06F2111/06—Multi-objective optimisation, e.g. Pareto optimisation using simulated annealing [SA], ant colony algorithms or genetic algorithms [GA]
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F2113/00—Details relating to the application field
- G06F2113/16—Cables, cable trees or wire harnesses
Abstract
A kind of satellite low-frequency cable design system, design software framework and method for designing, wherein design system includes: basic module, for reading Computer Aided Design Model, reading and resolve cable interface data sheet, carry out two dimension according to analysis result and publish picture and three dimensional wiring operation；Cable and accessory module, for being modeled and data management cable and adnexa；The automatic parsing module of Cable layout, for Cable layout path is carried out automatization's matching and optimization, is simultaneously used for mutual with user, is modified Cable layout path；Cable layout result output module, for output cable layout result.The integrated configuration design of whole cable can be realized, shorten the design cycle, improve product reliability.
Description
Technical field
The present invention relates to space technology field, particularly relate to a kind of satellite low-frequency cable design system, design software framework
And method for designing.
Background technology
Along with developing rapidly of electronic science and technology, electric control system more and more instead of existing Mechanical course
System, to meet space product miniaturization, lightweight, standardization, modularity, the demand of integration, satellite platform is also carried by this
Go out the requirement of increasingly stringent.And cable is requisite part in modern electronic product, the wiring of cable, layout, processing
Also it is one of link important in space product manufacture process with Denso, is also one of the task of burdensome, its layout
Reasonability and the safety of installation, reliability directly influence the performance of product, R&D costs and design cycle.
For a long time, the rational deployment of cable and secure safety are always the weak link in space product research and development, lead
Cause product manufacturing cycle, cost and quality uncontrollable, be mainly reflected in the following aspects:
(1) layout designs of cable can not be carried out with structure design simultaneously, the most first carries out the design of structural member, then carries out
The trial assembly of cable, and in structured design process, consideration to cable is also to compare blindly, for cable trace design pre-buried through hole,
Support tends not to meet final wiring requirements.
(2) traditional Cable layout relies primarily on designer and estimates harness branch diameter, root according to selected wire
According to total arrangement and personal experience, calculate roughly wire harness wiring path and length etc., in wiring installation according to design principle of disposal wires and
Satellite equal proportion model entity layout constantly corrects irrational wiring, and then revises each cable length further, outside solid
Positioning details such as putting, improve drawing, the CAD software even manual drawing of recycling two dimension goes out positive sample cable map, finally adds up
Generate material specification etc..
For the product of complicated miniaturization, internal structure complexity is compact, and wiring space is narrow and small and irregular, function
Multiformity make cabling between each equipment become day by day complicated, and cabling be it is also proposed more by standalone architecture and electromagnetic environment
Strict requirements, relying on manual operations experience is main working method, and layout path is difficult to obtain, and takes time and effort it and obtain
Result data precision is low.Product quality is ensured, with regard to the requisite manufacture week extending product in order to obtain more excellent scheme
Phase, add manufacturing cost.
(3) lack Cable layout scheme intuitively, specification and description effectively, be difficult to wire cable layout is totally advised
Draw.Either still wiring, colligation and the installation of cable on structural member to unit wiring on each star, all lacks cable road
The file of footpath intuitively effective specification, Cable layout and the assembly technology descriptive power of topology complexity are had by traditional two-dimentional drawing
Limit, directly carries out placement-and-routing on material object, and this will cause quality uncontrolled, and reliability exists potential problem.
Chinese scholars and engineer, from the eighties in 20th century, start with cad technique and virtual reality technology pair
Cable bundle Design of digital and planning are studied.The most a lot of commercially available software industry such as CATIA, Pro/E etc. design in structure
Aspect has substantially met demand, but at aspects such as cable designs, the existing module of Pro/E cannot meet design requirement, with Pro/E's
As a example by cable designs module, it, in the case of number of cables few (several～tens ranks), can meet design needs.
But becoming the magnanimity cable of more than hundred/thousand for spaceborne product, there is wires design inefficiency, cable in it
Model can not individually be opened, it is impossible to realize the design amendment of cable, cable publish picture and form inconvenience etc. problem, treatment mechanism is also
Cannot adapt to the design requirement that spaceborne product is complicated, and design process is the most not humane, workload does not the most reduce can not be right
Cable directly connects up interference detection, and wiring can not export corresponding three-dimensional process information after terminating, not embody three-dimensional
The advantage of design.
So needing a kind of low-frequency cable wires design system and method for designing, to realize the integrated configuration of cable and to set
Meter, improves product reliability, and reduces cost.
Summary of the invention
The technical problem to be solved is to provide a kind of satellite low-frequency cable design system, design software framework
And method for designing, it is achieved the integrated configuration of cable and design, improve product reliability, and reduce cost.
In order to solve the problems referred to above, the invention provides a kind of satellite low-frequency cable design system, including: system-based mould
Block, is used for reading Computer Aided Design Model, reading and resolve cable interface data sheet, carries out two dimension according to analysis result and go out
Figure and three dimensional wiring operate；Cable and accessory module, for being modeled and data management cable and adnexa；Cable layout is certainly
Dynamic parsing module, for Cable layout path is carried out automatization's matching and optimization, is simultaneously used for mutual, to cable cloth with user
Office path is modified；Cable layout result output module, for output cable layout result.
Optionally, described system-based module includes: Computer Aided Design Model parsing module and interface data list solution
Analysis module；The automatic parsing module of described Cable layout includes: path fitting and optimization module, man-machine interaction adjusting module and collision
Detection module；Described Cable layout result output module includes: Cable layout three-dimensional result output module, Cable layout two dimension exhibition
Drive the Bill of material output module of figure output module, cable and adnexa.
The present invention also provides for a kind of satellite low-frequency cable design software framework, including: interface system module, at cable distribution
Under model, it is used for rapidly inputting and identifying cable wiring design；Module quickly arranged by Model Identification definition and support, for being
The wiring datum characteristic needing the device of wiring in system is defined and manages, automatically creating assembling coordinate system, and is sat by skeleton
Mark system carries out alignment operation with a rack coordinate；Flexibility design module, using the planform of product sketched the contours of as design
Reference, by geometric data relevant with cable in the overall model that reading is originally inputted, same in Wiring Reference skeleton pattern
Step creates corresponding with reference to geometry；Network path definition module, for carrying out space constraint to Cable layout path planning；Quickly cloth
Wire module, for creating the manuscript of cable and the three-dimensional wiring path figure of man-machine interaction.
Optionally, described cable wiring design includes that Excel file designs and Computer Aided Design Model, wherein,
Excel file includes multiple page, and first page must be that the page advised by line, the line rule required for definition.
Optionally, described Cable layout path is made up of the curve of multistage, comes according to the reference characteristic of electric connector, support
Simulate path.
Optionally, described fast wiring module is additionally operable to form wiring data source format, is stored in specified database.
The present invention also provides for a kind of satellite low-frequency cable method for designing, including: set up the area of computer aided of cable and adnexa
Design a model storehouse；Read Computer Aided Design Model, read and resolve cable interface data sheet, carry out two according to analysis result
Dimension is published picture and three dimensional wiring operates；Cable layout path is carried out automatization's matching and optimization, simultaneously mutual, to cable with user
Layout path is modified；Output cable layout result.
Optionally, also include that the electrical connection in the cable interface data sheet that will have resolved is derived branch information and carried out letter
Breath merges, and information of simultaneously advising the line in branch information carries out concluding to be extracted, and forms data source format.
Optionally, the method that two dimension is published picture includes: according to the branch information extracted from wiring data source, generates cable and divides
Prop up figure submodel, then automatically create two dimension cable manuscript.
Optionally, by interference checking, in real time Cable layout path is modified.
It is an advantage of the current invention that the present invention proposes the solution of wire harness integration and establishes the number of a cable
Word model.Complex operations in cable design module is simplified and systematization, and the integrated configuration realizing whole cable sets
Meter, thus shorten the design cycle, reduce manpower and materials, the reliability of raising product.
Accompanying drawing explanation
Fig. 1 is the structural representation of the satellite low-frequency cable design system of the embodiment of the present invention；
Fig. 2 is the satellite low-frequency cable design software configuration diagram of the embodiment of the present invention；
Fig. 3 be the embodiment of the present invention satellite low-frequency cable design software framework in flexibility design module schematic diagram；
Fig. 4 is the wiring data source product process figure of the embodiment of the present invention；
Fig. 5 is the flow chart forming two dimension cable manuscript of the embodiment of the present invention；
Fig. 6 is the three-dimensional path planning flow chart of the embodiment of the present invention；
Fig. 7 is the satellite low-frequency cable method for designing flow chart of the embodiment of the present invention；
Fig. 8 is the cable autoplacement technological system flow chart of the embodiment of the present invention.
Detailed description of the invention
Satellite low-frequency cable design system, design software framework and the method for designing below in conjunction with the accompanying drawings present invention provided
Detailed description of the invention elaborate.
Refer to Fig. 1, for the structural representation of the satellite low-frequency cable design system of the embodiment of the present invention.
Described satellite low-frequency cable design system includes:
System-based module 1, for reading computer-aided design (CAD) mould of unit, electric connector etc. on product star
Type, read and resolve cable interface data sheet, and carry out two dimension according to analysis result and publish picture and three dimensional wiring operates.As this
A bright embodiment, described system-based module 1 includes: cad model parsing module 11 and interface data list parsing module 12,
It is respectively used to read and resolve cad model, interface data list.
Cable and accessory module 2, for being modeled cable and its adnexa, such as electric connector, grab, support etc.
And data management, and the connector model set up is carried out wire harness definition.
The automatic parsing module of Cable layout 3, for Cable layout path is carried out automatization's matching and optimization, is simultaneously used for
Mutual with user, Cable layout path is modified.The automatic parsing module of described Cable layout 3 includes: path fitting and excellent
Change module 31, man-machine interaction adjusting module 32 and collision detection module 33.
Cable layout result output module 4, for output cable layout result, including the three-dimensional mould of cable trace design
Type, two dimension connection cable figure, cable material and APPENDIX MATERIALSThe form, making and the laying etc. of cable are completed for technologist.
Embodiments of the invention, also provide for a kind of satellite low-frequency cable design software framework.
Refer to Fig. 2, for described satellite low-frequency cable design software configuration diagram.
Described satellite low-frequency cable design software carries out secondary development on Pro/E basis of software, by Pro/E software
Complex operations is simplified and systematization.Described Pro/E software is a software that can carry out cable designs.
On the basis of described Pro/E software, described satellite low-frequency cable design software framework includes:
Interface system module 5, under cable distribution model, is used for rapidly inputting and identifying cable wiring design.Described electricity
Cable wires design includes Excel file design and Computer Aided Design Model, and wherein, data file Excel file defines,
Described Excel file includes multiple page, and first page must be that the page advised by line, and the line rule required for definition, including line
Rule title, type, diameter, minimum radius bend and unit mass etc., other pages need the nodal information of Page Definition cable,
Including wire harness title, cable branch name, beginning and end.Computer-aided design (CAD) model meets wanting of Pro/E software
Ask.
Module 62 quickly arranged by Model Identification definition module 61 and support, for the device (example needing wiring in system
Such as equipment, electric connector, snap fit and support etc.) wiring datum characteristic be defined and manage.To collect when creating model
These reference characteristic arrived, as the basis of reference of wiring, provide data foundation for follow-up path resolving, cable generation etc..
The present invention also provides for mouse position identification, and the click location at skeleton creates assembling coordinate system automatically, and plane is flute
Karr coordinate, curved surface is cylindrical coordinates, and covering of the fan is polar coordinate.And skeleton coordinate is carried out alignment operation with a rack coordinate.
Flexibility design module 7, the Wiring Reference skeleton pattern automatically created by software is tie, by the plane of reference, respectively
Plant coordinate system, point, axis, curve and curved surface etc. and sketch the contours of the planform reference as design of product, original by reading
Geometry relevant with cable in the overall model of input, synchronizes to create corresponding reference geometry in Wiring Reference skeleton pattern, and
In this, as the design basis of wiring cloth cable, its structure chart is as shown in Figure 3.
The advantage of this design is satellite skeleton pattern for relying on, and the single reference of model does not has filiation, line between each model
The resources such as cable model and overall model both can keep synchronous vacations to update, and can individually open again, simultaneous computer internal memory are opened
Sell little, allow follow-up replacement, adjustment equipment or support, it is ensured that model automatically updates, it is to avoid model failure and model reparation operate.
Network path definition module 8, for carrying out space constraint to Cable layout path planning.Network path definition i.e. handle
Cable mentality of designing is expressed on model in the way of repairing the roads.Network path i.e. Cable layout path, is by the curve group of multistage
Becoming, define " the starting point port support snap fit port " of cable, curve is according to selected electric connector, the base of support
Quasi-feature simulates path.
Fast wiring module 9, for according to the Excel data read, establishment comprises cable material detail list, cable adds
The cable manuscript of the information such as work technology requirement and the three-dimensional wiring path figure of man-machine interaction.
Described fast wiring module 9 is additionally operable to form wiring data source format, is stored in specified database.Due to satellite line
What bundle integral system processed is the branch information of " point-to-point ", so needing to carry out electrical connection according to intrinsic form
Resolve, the electrical connection resolved is derived branch information and carries out information merging, simultaneously need to the line in branch information is advised
Information carries out concluding to be extracted, form the data source format required for wiring system, the information of extraction is stored in specifies on request
In data base.Wiring data source product process figure refer to Fig. 4.
Described cable manuscript is two dimension cable manuscript, and the data that two dimension cable manuscript uses are that detailed node closes
Coefficient evidence, i.e. pin generate to the annexation system of pin according to the cable branch information after extracting from wiring data source, reconstructing
Cable branch figure submodel, then automatically creates cable branch X-Y scheme, and its flow chart refer to Fig. 5.
Three-dimensional wiring path planning should consider space constraint, considers the opering characteristics of electric apparatus such as electromagnetic compatibility again.This is actually
Being the location problem with Performance Constraints of a kind of particularity, retrain parameter much the most undetermined the most, path planning is the most complicated, than
As the cabling of cable must take into heat radiation, easy accessibility, cabling is reasonable and the shortest, to reduce capacitor and inductor coupling；Signal
Line is tied up together with avoiding with power line；The classification of various cables and wiring minimum spacing should meet GJB1046 regulation etc..Existing
It is actual that algorithm is difficult to engineering, and therefore this programme uses the method for man-machine interaction to carry out the path planning of cable.
Node relationships is used to simplify data, a plurality of wire (pin between the most identical start-stop adapter during three dimensional wiring
To pin) it is merged into a process, to reduce the data volume of threedimensional model, use the electricity after parsing merges with information, extracts
Cable branch, the wiring data source of line rule information data can be supplied to cable three-dimensional path planning, its software flow pattern such as Fig. 6
Shown in.
First collected by computer through Model Identification, Wiring Reference, imported cable branch by nodal information
Trend is planned, then designer makes full use of engineering experience, Professional knowledge and wiring specification to adjust the branch of cable
Lay path, by interference checking, real-time adjustment cable trace, until completing the path planning of all cables.
The program can effectively solve the quick design problem of magnanimity cable, and the pass of structural model and cable model
The problem of connection property difference, forms quality and the cable 3-dimensional digital model machine of profile complete and accurate, it is achieved the full three dimensional design of cable；Real
The problem that in existing subsequent design, after frame for movement amendment, the cable system model of association is revised the most automatically, wiring time only has manual
The 1/10 of operation, thoroughly avoids design and produces the problem disconnected, and the routing path people i.e. designed can not operate by hand.
The present invention also provides for a kind of satellite low-frequency cable method for designing.
Refer to Fig. 7, for described satellite low-frequency cable method for designing flow chart.
Described satellite low-frequency cable method for designing includes:
Step S1: set up the Computer Aided Design Model storehouse of cable and adnexa.Such as to electric connector, grab, support
Etc. being modeled and data management, and the connector model set up is carried out wire harness definition.
Step S2: read Computer Aided Design Model, read and resolve cable interface data sheet, enter according to analysis result
Row two dimension is published picture and three dimensional wiring operates.
Step S3: Cable layout path is carried out automatization's matching and optimization, simultaneously mutual, to Cable layout road with user
Footpath is modified.
Step S4: output cable layout result.
With a specific embodiment, described satellite low-frequency cable method for designing is described specifically below.
Model satellite weight is light, volume is little, functional density is high, the feature such as life-span length in-orbit with certain for this embodiment, and satellite is adopted
With the board-like configuration of frame surface, pocketed layout is to realize generalization and expansibleization of platform.
Under satellite, cabin is platform cabin, and upper-deck cabin is load cabin, can be kept completely separate, the board-like lightweight construction of frame surface, power transmission
Route is short, structure and total coating process is simple, structure efficiency is high, safe and reliable, easy accessibility, opening character are good, and being more easy to realization can expand
Malleability.
This satellite configuration mode, also seldom uses at home, almost without can design experiences for reference.Satellite is setting
Timing, uses integrated design method, absorbs in system level and uses for reference " functional chain " design reason of French PR OTEUS satellite
Reading, the every resource optimization completing inside satellite to greatest extent is integrated, and improves functional density.Whole star test electromagnetic environment is multiple
Miscellaneous.
The existing high-power transmitting equipment of satellite, has again highly sensitive reception equipment, to the design of whole star low-frequency cable net
Adding certain difficulty and time with layout, Development Schedule based on model task is nervous, and overall circuit subsystem utilizes
On existing PRO basis of software, in conjunction with dummy satellite, use wiring and the layout skill of satellite low-frequency cable automatization, integration
Art, carries out the design of low-frequency cable, and overall system design flow process is as shown in Figure 8.
Initially set up the cad model storehouse of cable and adnexa.Such as, set up the foundation of electric connector model library, according to being electrically connected
Connect the operation instructions of device, set up the threedimensional model of various electrical connection, and be entered into lane database, use coordinate system to it
Mode associate with each unit.
Then read Computer Aided Design Model, read and resolve cable interface data sheet.Data file Excel literary composition
Part defines, and this document includes multiple page, but first page must be " line rule " page, the line required for this page definition
Rule, including line rule title, type, diameter, minimum radius bend and unit mass.
Carry out two dimension according to analysis result to publish picture and three dimensional wiring operation, and Cable layout path is carried out automatization's matching
And optimization, simultaneously mutual with user, Cable layout path is modified, finally output cable layout result.
The multiformity of function makes cabling between each equipment become day by day complicated, one-to-many, multi-to-multi, multiple twin, shielding etc.
The cable of particular/special requirement of all kinds also makes this system adapt to the change of complicated variety.
Three dimensional structure layout and cable collection are carried on same model, it is achieved Satellite Product layout and the integration of cable
Design and management.Designer can manually adjust according to cable wiring layout's technology requirement on the mold, cable branch moves towards
With information such as length.Present solution provides the query functions such as each unit, cable branch information and cable length and can lead into
Excel form.
The cable produced it is processed, the most successfully according to the cable report messages of satellite cable wire harness integrated design output
Applying on this model satellite, actual dress star result shows that cable length, branch information, node corresponding relation all meet the requirements,
Realize structure and cable synchronizing design, decrease the project development cycle, help satellite to build complete digitized sample star, for each
Design department provides more accurate and visual data message, it is simple to quality management, meets the design of satellite three-dimensional digital
Demand.
The present invention develop special branching diagram create, management engine, use and create branch's submodel, submodel enter
Row X-Y scheme exports.Realize branch's X-Y scheme to export smoothly, and the cable relevant information in X-Y scheme is labeled.
Wherein, the establishment that branch's submodel management comprises branch model is safeguarded with branch curve, and the position containing curve is adjusted
Whole, direction adjustment etc..The management of branch X-Y scheme includes creating branch's X-Y scheme, port and the mark of tune information, delete with more
New etc..
In the present invention, cable trace is based on SPL, by the layout of support, with the electricity of two ports
Adapter, carries out the definition of network path.
System all adds two control point in the model such as support and electric connector, and the batten passed through between two control point is bent
Line is tetanic section, is determined for compliance with the cable trails of engineering characteristic in this reinforcement SPL mode, and such designer changes one
Individual control point (adjusting pole position), owing to there being tetanic section, does not then interfere with the position in other adjacent segment path, and batten is bent
Line will not occur the difference deformation of fierceness, and this more meets design present situation and needs.
According to main beam definition, port and the connection definition of support, node relationships, the Smallest connection of systematic analysis every cable
Path, uses net definitions, the way of weighted optimization, calculates the shortest cable through, and generating for cable provides data basis.
The above is only the preferred embodiment of the present invention, it is noted that for the ordinary skill people of the art
Member, under the premise without departing from the principles of the invention, it is also possible to make some improvements and modifications, these improvements and modifications also should be regarded as
Protection scope of the present invention.
Claims (10)
1. a satellite low-frequency cable design system, it is characterised in that including:
System-based module, is used for reading Computer Aided Design Model, reading and resolve cable interface data sheet, according to parsing
Result carries out two dimension and publishes picture and three dimensional wiring operation；
Cable and accessory module, for being modeled and data management cable and adnexa；
The automatic parsing module of Cable layout, for Cable layout path is carried out automatization's matching and optimization, is simultaneously used for and uses
Family is mutual, is modified Cable layout path；
Cable layout result output module, for output cable layout result.
Satellite low-frequency cable design system the most according to claim 1, it is characterised in that described system-based module bag
Include: Computer Aided Design Model parsing module and interface data list parsing module；Described Cable layout automatic parsing module bag
Include: path fitting and optimization module, man-machine interaction adjusting module and collision detection module；Described Cable layout result output module
Including: Cable layout three-dimensional result output module, Cable layout two-dimensional development figure output module, cable and the Bill of material of adnexa
Output module.
3. a satellite low-frequency cable design software framework, it is characterised in that including: interface system module, at cable distribution mould
Under type, it is used for rapidly inputting and identifying cable wiring design；Module quickly arranged by Model Identification definition and support, for system
The wiring datum characteristic of the middle device needing wiring is defined and manages, automatically creating assembling coordinate system, and by skeleton coordinate
System carries out alignment operation with a rack coordinate；Flexibility design module, using the planform of product sketched the contours of as the ginseng of design
Examine, by geometric data relevant with cable in the overall model that reading is originally inputted, synchronize in Wiring Reference skeleton pattern
Create corresponding with reference to geometry；Network path definition module, for carrying out space constraint to Cable layout path planning；Fast wiring
Module, for creating the manuscript of cable and the three-dimensional wiring path figure of man-machine interaction.
Satellite low-frequency cable design software framework the most according to claim 3, it is characterised in that described cable wiring design
Including Excel file design and Computer Aided Design Model, wherein, Excel file includes multiple page, and first page
Must be that the page advised by line, the line rule required for definition.
Satellite low-frequency cable design software framework the most according to claim 3, it is characterised in that described Cable layout path
It is made up of the curve of multistage, simulates path according to the reference characteristic of electric connector, support.
Satellite low-frequency cable design software framework the most according to claim 3, it is characterised in that described fast wiring module
It is additionally operable to form wiring data source format, is stored in specified database.
7. a satellite low-frequency cable method for designing, it is characterised in that including:
Set up the Computer Aided Design Model storehouse of cable and adnexa；
Read Computer Aided Design Model, read and resolve cable interface data sheet, carry out two dimension according to analysis result and publish picture
Operate with three dimensional wiring；
Cable layout path is carried out automatization's matching and optimization, simultaneously mutual with user, Cable layout path is modified；
Output cable layout result.
Satellite low-frequency cable method for designing the most according to claim 7, it is characterised in that also include the cable interface that will have resolved
Electrical connection in data sheet is derived branch information and is carried out information merging, the line in branch information is advised information simultaneously and returns
Receive extraction, form data source format.
Satellite low-frequency cable method for designing the most according to claim 7, it is characterised in that the method that two dimension is published picture includes: according to
The branch information extracted from wiring data source, generates cable branch figure submodel, then automatically creates two dimension cable processing
Figure.
Satellite low-frequency cable method for designing the most according to claim 7, it is characterised in that by interference checking, in real time to cable
Layout path is modified.
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