CN106951635A - A kind of flexible cable path Intelligent planning method for considering gravity constraint rule - Google Patents
A kind of flexible cable path Intelligent planning method for considering gravity constraint rule Download PDFInfo
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- CN106951635A CN106951635A CN201710165179.XA CN201710165179A CN106951635A CN 106951635 A CN106951635 A CN 106951635A CN 201710165179 A CN201710165179 A CN 201710165179A CN 106951635 A CN106951635 A CN 106951635A
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F30/00—Computer-aided design [CAD]
- G06F30/20—Design optimisation, verification or simulation
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F30/00—Computer-aided design [CAD]
- G06F30/10—Geometric CAD
- G06F30/18—Network design, e.g. design based on topological or interconnect aspects of utility systems, piping, heating ventilation air conditioning [HVAC] or cabling
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F2111/00—Details relating to CAD techniques
- G06F2111/04—Constraint-based CAD
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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
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Abstract
A kind of flexible cable path Intelligent planning method for considering gravity constraint rule, it comprises the following steps：Wiring space three-dimensional environment is modeled first, subregion division is carried out to the whole machine space of product using partition type space-division method, obtains needing what is connected up to treat wiring space region and non-wiring space region；Secondly treat that wiring space region carries out rasterizing processing to what is marked off, set up barrier and surround BOX Model, set up the abstract model of wiring space grid model and routing path point；Intelligent search and the optimizing in flexible cable path are finally carried out using ant colony optimization algorithm and consideration gravity constraint rule.The present invention can realize automatic obstacle-avoiding, and generation meets the routing path of certain engineering rule, improve the final overall performance of wiring efficiency and product and reliability of flexible cable.
Description
Technical field
The present invention relates to a kind of computer wiring technique, especially a kind of cable trails planning technology, specifically one
Plant the flexible cable path Intelligent planning method for considering gravity constraint rule.
Background technology
With developing rapidly with the large electric system such as Aeronautics and Astronautics, ship, electronics, war industry, modern electrical system day
Benefit complicate, it is integrated.Substantial amounts of electrical equipment is intensive in system platform, and the cable connected for each equipment and part is passed
The signal sent is more and more, and frequency more and more higher, the power of consumption is also increasing, and higher want is proposed to laying for cable
Summation challenge.Cable is in itself due to belonging to flexible body, and the pact by product structure space is moved towards in size, form and the space of cable
Beam, lays complex process changeable.Irrational cable lays the probability increase that cable part can be caused to break down, and then causes
Electric property is unstable, Electro Magnetic Compatibility is poor, the performance of final influence product overall performance.
A key for carrying out area of computer aided cable assembling is the planning that cable to be solved lays path.Cable lays road
Footpath planning should consider space constraint, and the constraints such as mechanical performance and electric property is considered again, is the special band of a class
The location problem that can be constrained, wherein undetermined parameter are more, feas ible space is complicated.The path of laying of cable not only influences arrangement space
Structure design, cable total length and gross weight, and it is also relate to performance, reliability, installation and maintenance and the electricity of whole system
Electro Magnetic Compatibility of sub- equipment room etc., is one of key issue urgently to be resolved hurrily in engineering design.
The content of the invention
It is an object of the invention to in product whole machine model wiring process, unreasonable, cloth is laid in flexible cable path
The low problem of line efficiency, invents a kind of flexible cable path Intelligent planning method for considering gravity constraint rule.
A kind of flexible cable path Intelligent planning method for considering gravity constraint rule, it is characterised in that：First to wiring
Space three-dimensional environment is modeled, and is carried out subregion division to the whole machine space of product using partition type space-division method, is needed
What is connected up treats wiring space region and non-wiring space region；Secondly treat that wiring space region carries out rasterizing to what is marked off
Processing, sets up barrier and surrounds BOX Model, set up the abstract model of wiring space grid model and routing path point；Finally utilize
Ant colony optimization algorithm and intelligent search and the optimizing for considering gravity constraint rule progress flexible cable path.
It includes step in detail below：
Step 1：Create product complete machine structure model；
Step 2：Subregion division is carried out to the whole machine space of product using partition type space-division method；
Step 3：Wiring space region and non-wiring space region are treated in acquisition；
Step 4：Treat that wiring space region carries out rasterizing processing to what is marked off；
Step 5：Set up barrier and surround BOX Model；
Step 6：Set up the abstract model of wiring space grid model and routing path point；
Step 7：Using ant colony optimization algorithm and consider gravity constraint rule carry out flexible cable path intelligent search and
Optimizing.
Finally, test of heuristics and emulation experiment are carried out, is further optimized according to the simulation experiment result, is wanted until meeting and using
Ask.
As a kind of path planning optimization method of above-mentioned flexible cable, in step 2, the whole machine space of product is marked off
Treat that wiring space areal requires to determine according to the complexity and wiring environment of product structure.
As a kind of path planning optimization method of above-mentioned flexible cable, in step 4, the grid in wiring space region is treated
Change processing and consider accuracy that spatial abstraction represents and the calculating amount of storage of structural model simultaneously.
As a kind of path planning optimization method of above-mentioned flexible cable, in step 5 and step 6, it is contemplated that product knot
Influence of other parts to flexible cable path planning inside structure.
It is used as a kind of path planning optimization method of above-mentioned flexible cable, in step 7, intelligence of the flexible cable in path
The gravity factor of cable itself is considered in search and searching process, the path come is searched out and more meets practical wiring requirement.
As a kind of path planning optimization method of above-mentioned flexible cable, marked off treat wiring space region respectively by
It is defined as A1、A2And A3, non-wiring space region is defined as A4。
It is used as a kind of path planning optimization method of above-mentioned flexible cable, the region A1There is electric wire connecting junction S1, region A2Connect
Line device S2, region A3There is hub C.
As a kind of path planning optimization method of above-mentioned flexible cable, the hub C has wiring arrival end T1And cloth
Line port of export T2。
Beneficial effects of the present invention are：
The present invention proposes a kind of flexible cable path Intelligent planning method for considering gravity constraint rule, and it is by considering
Cable trails point during the gravity constraint rule of cable, flexible cable path planning can depend on relevant device entity table
Face, meets the adherent rule of flexible cable and equipment room, more meets the installation scenarios of compliance cable.This flexible cable path
Planing method can realize automatic obstacle-avoiding, and generation meets the routing path of certain engineering rule, improves the wiring of flexible cable
Efficiency and the final overall performance of product and reliability.
The present invention, which is solved, carries out that the calculating amount of storage brought of rasterizing processing is big, computational efficiency to the whole machine space of product
Low the problem of, also solve path point when basic ant colony optimization algorithm carries out route searching under three-dimensional environment and easily dissipate
The problem of phenomenon.By considering the gravity constraint rule of cable, cable trails point during flexible cable path planning can be according to
Relevant device solid object surface is invested, the adherent rule of flexible cable and equipment room is met, more meets the wiring of compliance cable
Situation.This flexible cable paths planning method can realize automatic obstacle-avoiding, and generation meets the routing path of certain engineering rule, carried
The wiring efficiency and the final overall performance of product and reliability of high flexible cable.
Brief description of the drawings
Fig. 1 is the regular flexible cable path intelligent planning flow chart of the consideration gravity constraint of the present invention.
Fig. 2 divides schematic diagram for the partition type of the wiring space of the present invention.
Fig. 3 handles model schematic for the wiring space rasterizing of the present invention.
Fig. 4 is wiring barrier bounding box model schematic of the invention.
Fig. 5 considers the regular schematic diagram of gravity constraint for the present invention in three dimensional wiring environment.
Embodiment
The present invention is further illustrated with reference to the accompanying drawings and detailed description.
As Figure 1-5.
A kind of flexible cable path Intelligent planning method for considering gravity constraint rule, it is applied to Complex Mechatronic Products
Cable is laid.Specifically designed for cable wiring, the cable laying method that cable assembly technology is formulated, this method can improve flexibility
The final overall performance of the wiring efficiency and product of cable and reliability.
As shown in figure 1, a kind of flexible cable path Intelligent planning method for considering gravity constraint rule, first to utilizing
The product complete machine structure model that the Three-dimensional Design Softwares such as CREO, CATIA, UG are created carries out wiring space three-dimensional environment modeling, adopts
Subregion division is carried out to the whole machine space of product with partition type space-division method, obtain need connect up treat wiring space region and
Non- wiring space region；Secondly treat that wiring space region carries out rasterizing processing to what is marked off, set up barrier bounding box mould
Type, sets up the abstract model of wiring space grid model and routing path point；Finally utilize ant colony optimization algorithm and consideration gravity
Constraint rule carries out intelligent search and the optimizing in flexible cable path.
Specific step is as follows：
Step 1：Using Three-dimensional Design Softwares such as CREO, CATIA, UG, according to the product type drawing of engineering in practice and
Data message, creates product complete machine structure model；
Step 2：Subregion division is carried out to the whole machine space of product using partition type space-division method；
Step 3：Wiring space region and non-wiring space region are treated in acquisition；
Step 4：Treat that wiring space region carries out rasterizing processing to what is marked off；
Step 5：Set up barrier and surround BOX Model；
Step 6：Set up the abstract model of wiring space grid model and routing path point；
Step 7：Using ant colony optimization algorithm and consider gravity constraint rule carry out flexible cable path intelligent search and
Optimizing.
In step 2, what the whole machine space of product was marked off treats complexity of the wiring space areal according to product structure
Require to determine with wiring environment, wires design engineer can often complete according to abundant design experiences.
In step 3, Fig. 2 divides schematic diagram for the wiring space partition type that present embodiment is provided.In this figure by cloth
Space of lines is divided into the union in 4 sub-spaces regions：A=A1∪A2∪A3∪A4, wherein A represents the whole model space.Work as Ai(i
=1,2,3,4) when for the fixed route section of cable wiring (fixed card slot of such as cable), cable will have by this section of region
It is directly connective, it can skip the region when carrying out route searching.A3, should when cable passes through the structure as hub
Route segment is considered as arrival end T1With port of export T2Direct connection, solve S1S2Between routing path when, without herein
Route segment is made excessive algorithm and expended.So S1S2Between route searching can be reduced to S1T1With S2T2Two sections of routing path
Search, A1∪A2It is the solution room of inventive algorithm.
In step 4, to mark off whne wiring space region carry out rasterizing processing when, using the summit in the lower left corner as
The origin of coordinates A of three dimensions, three-dimensional system of coordinate A-xyz is set up in point A.In the coordinate system using A as summit, along x-axis side
To the maximum length AB for taking product 3 d structure model, the maximum length AA' of product 3 d structure model is taken along the y-axis direction, along z
Direction of principal axis takes the maximum length AD of product 3 d structure model, thus constitutes the cubical area for including product 3 d structure model
ABCD-A'B'C'D', the region is the planning space in three dimensional wiring path, as shown in Figure 3.To obtain abstract environmental model,
It point operation such as need to carry out on the basis of above-mentioned planning space ABCD-A'B'C'D'：N deciles are carried out along side AB, n+1 is obtained and puts down
Face Πi(i=0,1,2 ..., n), then carry out m deciles along side AD to this n+1 plane, carry out l deciles along side AA', and ask
Solve the intersection point of the inside.
In step 4, treat that the rasterizing in wiring space region is handled while considering the accuracy that spatial abstraction is represented
With the calculating amount of storage of structural model.Treat wiring space region and carry out the storage sky that rasterizing processing will greatly save algorithm
Between.
In steps of 5, barrier is classified as on the parts that flexible cable path planning can produce influence inside product structure,
" expanded " processing is completed by setting up bounding box to barrier, safe space is reserved：Ω Ω | and r≤Ω≤2r }, wherein r is
The diameter of cable, so as to set up the safety zone (Fig. 4) that cable is laid.Blocking surfaces may be regarded as safety zone, when cable is tight
When pasting blocking surfaces, cable does not produce interference with barrier.
In step 6, Fig. 5 considers gravity constraint rule signal for what present embodiment was provided in three dimensional wiring environment
Figure.Comparative analysis considers cable deadweight and does not consider the cable trails planning situation of cable deadweight in this figure.Cable conduct
Entity with certain mass, in actually laying, the laying to generally require of cable depends on relevant device solid object surface, that is, has
Plant " gravity trend " and press close to body surface.As shown in figure 5,1. occurring hanging route segment in path, path planning is unreasonable；②
Path considers cable deadweight, lays path and depends on equipment entity surface, meet actual specification, is high-quality solution.
In step 7, flexible cable considered in the intelligent search and searching process in path the gravity of cable itself because
Element, the path searched out more meets practical wiring specification.
Carry out again if necessary test of heuristics and emulation experiment further optimize with meet be actually needed.
Part that the present invention does not relate to is same as the prior art or can be realized using prior art.
Claims (9)
1. a kind of flexible cable path Intelligent planning method for considering gravity constraint rule, it is characterised in that：It is empty to wiring first
Between three-dimensional environment be modeled, using partition type space-division method to the whole machine space of product carry out subregion division, needed
What is connected up treats wiring space region and non-wiring space region；Secondly treat that wiring space region is carried out at rasterizing to what is marked off
Reason, sets up barrier and surrounds BOX Model, set up the abstract model of wiring space grid model and routing path point；Finally utilize ant
Colony optimization algorithm and intelligent search and the optimizing for considering gravity constraint rule progress flexible cable path.
2. according to the method described in claim 1, it is characterised in that it comprises the following steps：
Step 1：Create product complete machine structure model；
Step 2：Subregion division is carried out to the whole machine space of product using partition type space-division method；
Step 3：Wiring space region and non-wiring space region are treated in acquisition；
Step 4：Treat that wiring space region carries out rasterizing processing to what is marked off；
Step 5：Set up the abstract model of wiring space grid model and routing path point；
Step 6：Set up barrier and surround BOX Model；
Step 7：Intelligent search and the optimizing in flexible cable path are carried out using ant colony optimization algorithm and consideration gravity constraint rule.
3. method according to claim 2, it is characterised in that in step 2, what the whole machine space of product was marked off waits to connect up
Area of space number requires to determine according to the complexity and wiring environment of product structure.
4. method according to claim 2, it is characterised in that in step 4, treats the rasterizing processing in wiring space region
Accuracy that spatial abstraction represents and the calculating amount of storage of structural model are considered simultaneously.
5. method according to claim 2, it is characterised in that in step 5 and step 6, it is considered to inside product structure its
His influence of the parts to flexible cable path planning.
6. method according to claim 2, it is characterised in that in step 7, flexible cable path intelligent search and
The gravity factor of cable itself is considered in searching process, the path come is searched out and more meets practical wiring requirement.
7. method according to claim 2, it is characterised in that what is marked off treats that wiring space region is respectively defined as A1、
A2And A3, non-wiring space region is defined as A4。
8. method according to claim 7, it is characterised in that treat wiring space region A1There is electric wire connecting junction S1, treat wiring space
Region A2There is electric wire connecting junction S2, treat wiring space region A3There is hub C.
9. method according to claim 8, it is characterised in that hub C has wiring arrival end T1With wiring port of export T2。
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| CN201710165179.XA CN106951635A (en) | 2017-03-20 | 2017-03-20 | A kind of flexible cable path Intelligent planning method for considering gravity constraint rule |
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| CN109583667A (en) * | 2019-01-08 | 2019-04-05 | 北京航空航天大学 | A kind of cable trails solving optimization method |
| CN109740256A (en) * | 2019-01-02 | 2019-05-10 | 北京航空航天大学 | A kind of wire cable layout design optimization method merging equipment Maintainability |
| CN110502803A (en) * | 2019-07-29 | 2019-11-26 | 兰州容大信息科技有限公司 | Wiring method and device based on BIM technology |
| CN110555224A (en) * | 2019-01-02 | 2019-12-10 | 北京航空航天大学 | Wiring area environment constraint quantification method based on grid division |
| CN112102476A (en) * | 2020-09-11 | 2020-12-18 | 中国核电工程有限公司 | Automatic arrangement method and system for nuclear power plant pipeline |
| CN112100786A (en) * | 2020-10-30 | 2020-12-18 | 天津飞眼无人机科技有限公司 | Partitioned underground pipe network three-dimensional planning system and method |
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Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109740256A (en) * | 2019-01-02 | 2019-05-10 | 北京航空航天大学 | A kind of wire cable layout design optimization method merging equipment Maintainability |
| CN110555224A (en) * | 2019-01-02 | 2019-12-10 | 北京航空航天大学 | Wiring area environment constraint quantification method based on grid division |
| CN110555224B (en) * | 2019-01-02 | 2021-05-04 | 北京航空航天大学 | Wiring area environment constraint quantification method based on grid division |
| CN109583667A (en) * | 2019-01-08 | 2019-04-05 | 北京航空航天大学 | A kind of cable trails solving optimization method |
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| CN110502803A (en) * | 2019-07-29 | 2019-11-26 | 兰州容大信息科技有限公司 | Wiring method and device based on BIM technology |
| CN110502803B (en) * | 2019-07-29 | 2023-04-07 | 兰州容大信息科技有限公司 | Wiring method and device based on BIM technology |
| CN112102476A (en) * | 2020-09-11 | 2020-12-18 | 中国核电工程有限公司 | Automatic arrangement method and system for nuclear power plant pipeline |
| CN112100786A (en) * | 2020-10-30 | 2020-12-18 | 天津飞眼无人机科技有限公司 | Partitioned underground pipe network three-dimensional planning system and method |
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