CN115344969A - Cable network path planning method and system based on satellite three-dimensional model - Google Patents
Cable network path planning method and system based on satellite three-dimensional model Download PDFInfo
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Abstract
The invention provides a method and a system for planning a cable network path based on a satellite three-dimensional model, which comprises the following steps: a control point setting step: mounting surface setting is carried out on the layout curved surface of the control points, and the control points of various types are laid out according to the layout position and the layout mode; network path design step: connecting various types of control points by utilizing a spline curve, and quickly generating a cable network path based on a satellite three-dimensional model; a path checking step: and finishing the checking of the on-off condition of the cable network path based on the generated cable network path and the cable processing contact table. Compared with the prior art, the method and the device compress the design cycle time for planning and distributing the path of the whole satellite cable network and connecting the path to generate the whole satellite path network, and effectively improve the efficiency of designing the path of the three-dimensional cable network.
Description
Technical Field
The invention relates to the general technical field of space vehicles, in particular to a cable network path planning method and system based on a satellite three-dimensional model.
Background
With the rapid development of satellite design technology and satellite manufacturing technology, the number of satellite models is rapidly increased, the types of satellite functions are more and more diversified, the number of devices on the satellite is greatly increased, the situation that the number of cables on the satellite is large and the space is small is increasingly highlighted, more precise requirements are provided for the directions of different types of cables on the satellite, the directions of cable paths are changed more frequently, the requirement that the path change operation is simpler and more convenient and faster in three-dimensional cable path direction design needs to be met, and higher requirements are provided for the accuracy and the efficiency of the three-dimensional cable network path direction design.
In the existing three-dimensional cable network path design process, operations such as increasing and decreasing of a cable hoop, connection of paths, collection of the hoop and the like need to be frequently switched among a plurality of modules; the whole satellite has a large number of devices and a large number of electrical ports of the devices, and a designer needs to perform a large number of repeated operations for connecting the paths of the electrical ports of the devices and the like; the existing three-dimensional cable network rapid design system has the defects of complex operation, complex design flow and lower three-dimensional cable network path design efficiency.
Patent document CN105279574B discloses a method for planning shortest path of satellite cable based on directed graph optimization technology. The method uses the space position of each cable binding node in the satellite layout and the communication relation of any two cable binding nodes as input to form an initial directed graph of a cable path, and calculates a distance matrix of the shortest path of the cable and a shortest path node sequence between any two cable binding nodes by using a directed graph shortest path algorithm. The method completes the design of the shortest path of the satellite cable and the calculation of the cable length under the shortest path, and can meet the requirement of planning and optimizing the cable path in the satellite cable design. However, the system cannot meet the requirement of simple and rapid path change operation in the three-dimensional cable path design when the cable path is frequently changed.
Disclosure of Invention
Aiming at the defects in the prior art, the invention aims to provide a method and a system for planning a cable network path based on a satellite three-dimensional model.
The invention provides a cable network path planning method based on a satellite three-dimensional model, which comprises the following steps:
a control point setting step: mounting surface setting is carried out on the layout curved surface of the control points, and the control points of various types are quickly laid out according to the layout position and the layout mode;
a network path design step: connecting various types of control points by utilizing a spline curve, and quickly generating a cable network path based on a satellite three-dimensional model;
a path checking step: and finishing the quick check of the on-off condition of the cable network path based on the generated cable network path and the cable processing contact table.
Preferably, the control points comprise: port control points, path control points, star control points edge control points and cabin penetrating hole control points; a control point setting step comprising:
step 101: the port control point is arranged near the electronic equipment and is positioned on one side of an electric port of the electronic equipment;
step 102: the path control point is arranged on the middle path of the connection object and mainly controls the path trend of the cable;
step 103: the star-shaped control point is arranged at the path bifurcation and is mainly used for analyzing a cable path passing through the path bifurcation into a non-loop;
step 104: the edge control points are arranged on the edges of the cabin plate or the single-machine equipment and are mainly used for quickly placing the edge control points, so that the interference between cable bending and a satellite three-dimensional model can be avoided;
step 105: cabin penetration control points can be added at cabin penetration holes of the cabin plate quickly.
Preferably, the network path designing step includes:
step 201: creating a cable path network by connecting various types of control points in the form of spline curves;
step 202: and setting the trend of the cable path according to a preset optimal rule based on the established cable path network to generate a cable network path.
Preferably, the cable path trend refers to the cable network path generated by connecting the cable path trend in a serial or parallel mode through spline curves by using various types of well-arranged control points.
Preferably, the preset optimal rule is to automatically determine the shortest path to generate the cable by sequentially traversing all available paths with the shortest path as a target.
The invention provides a cable network path planning system based on a satellite three-dimensional model, which comprises:
a control point setting module: mounting surface setting is carried out on the layout curved surface of the control points, and the control points of various types are quickly laid out according to the layout position and the layout mode;
a network path design module: connecting various types of control points by utilizing a spline curve, and quickly generating a cable network path based on a satellite three-dimensional model;
a path checking module: and finishing the quick check of the on-off condition of the cable network path based on the generated cable network path and the cable processing contact table.
Preferably, the control points comprise: port control points, path control points, star control points, edge control points and cabin penetration control points; a control point setting module comprising:
submodule M101: the port control point is arranged near the electronic equipment and is positioned on one side of an electric port of the electronic equipment;
submodule M102: the path control point is arranged on the middle path of the connection object and mainly controls the path trend of the cable;
submodule M103: the star-shaped control point is arranged at the path bifurcation and is mainly used for resolving a cable path passing through the path bifurcation into a non-loop;
submodule M104: the edge control points are arranged on the edges of the cabin plate or the single-machine equipment and are mainly used for quickly placing the edge control points, so that the interference between cable bending and a satellite three-dimensional model can be avoided;
submodule M105: cabin penetration control points can be added at cabin penetration holes of the cabin plate quickly.
Preferably, the network path design module comprises:
submodule M201: creating a cable path network by connecting various types of control points in the form of spline curves;
submodule M202: and setting the trend of the cable path according to a preset optimal rule based on the established cable path network to generate a cable network path.
Preferably, the cable path trend refers to the cable network path generated by connecting the cable path trend in a serial or parallel mode through spline curves by using various types of well-arranged control points.
Preferably, the preset optimal rule is to automatically determine the shortest path to generate the cable by sequentially traversing all available paths with the shortest path as a target.
Compared with the prior art, the invention has the following beneficial effects:
1. the invention realizes the rapid layout of the control points on the layout curved surface and the rapid connection of the related control points.
2. The invention can quickly change the layout position of the control points according to the requirements.
3. The invention realizes that the on-off of the whole-satellite cable path can be rapidly checked based on the whole-satellite cable network path and the cable processing contact table, and finally the whole-satellite cable network path is formed.
4. The method compresses the path planning layout of the whole-satellite cable network and connects the design cycle time for generating the whole-satellite path network, and effectively improves the efficiency of designing the path of the three-dimensional cable network.
Drawings
Other features, objects and advantages of the invention will become more apparent upon reading of the detailed description of non-limiting embodiments with reference to the following drawings:
FIG. 1 is a schematic flow diagram of the present invention;
FIG. 2 is a schematic structural view of the present invention;
fig. 3 is a schematic flow chart of the cable network path planning of the present invention.
Detailed Description
The present invention will be described in detail with reference to specific examples. The following examples will assist those skilled in the art in further understanding the invention, but are not intended to limit the invention in any way. It should be noted that it would be obvious to those skilled in the art that various changes and modifications can be made without departing from the spirit of the invention. All falling within the scope of the present invention.
Fig. 1 is a schematic flow chart of the present invention, and as shown in fig. 1, the present invention provides a cable network path planning method based on a satellite three-dimensional model, including: a control point setting step, a network path designing step and a path checking step.
Fig. 2 is a schematic structural diagram of the present invention, and as shown in fig. 2, the cable network path planning based on the satellite three-dimensional model includes a control point module, a network path design module, and a path inspection module, where the control point module is composed of a layout curved surface setting, a control point layout, and a control point adjustment. Wherein, the control points are divided into: path control points, port control points, star control points, edge control points and cabin penetrating hole control points. The control point adjustment is divided into: and six adjustment modes of alignment, avoidance, rotation, inclination angle, position and parallelism are adopted. The layout curve setting includes: setting a layout curve, specifying a layout coordinate system and specifying a layout curved surface. The network path design module consists of two connection modes of series connection and parallel connection. The path checking module is composed of a path checking function. The present invention will be described in detail below.
A control point setting step: and arranging the installation surface of the layout curved surface of the control points, and quickly laying out the control points of various types according to the layout position and the layout mode.
Preferably, the control points comprise: port control points, path control points, star control points, edge control points and cabin-through hole control points.
Preferably, the control point setting step includes: step 101: the port control point is arranged near the electronic equipment and is positioned on one side of an electric port of the electronic equipment; step 102: the path control point is arranged on the middle path of the connection object and mainly controls the path trend of the cable; step 103: the star-shaped control point is arranged at the path bifurcation and is mainly used for resolving a cable path passing through the path bifurcation into a non-loop; step 104: the edge control points are arranged on the edges of the cabin plate or the single-machine equipment and are mainly used for quickly placing the edge control points, so that the interference between cable bending and a satellite three-dimensional model can be avoided; step 105: cabin penetration control points can be added at cabin penetration holes of the cabin plate quickly.
Network path design step: and connecting the control points of various types by utilizing a spline curve, and quickly generating a cable network path based on the satellite three-dimensional model.
Preferably, the network path designing step includes: step 201: the cable path network is created by connecting various types of control points in the form of spline curves. Step 202: and setting the trend of the cable path according to a preset optimal rule based on the established cable path network to generate a cable network path.
Preferably, the cable path trend refers to the cable network path generated by connecting the cable path trend in a serial or parallel mode through spline curves by using various types of well-arranged control points.
Preferably, the preset optimal rule is to automatically determine the shortest path to generate the cable by sequentially traversing all available paths with the shortest path as a target.
The invention can realize the automatic connection of the paths between the electric ports of the electronic equipment and the port control points in the planning of the cable path trend.
Specifically, the network path design step is composed of two connection modes of series connection and parallel connection. When the cable path trend needs to be changed, the operation is only needed to be carried out in one functional interface of the network path design step, and the operation is simple and convenient.
A path checking step: and finishing the quick check of the on-off condition of the cable network path based on the generated cable network path and the cable processing contact table.
It should be noted that in the present invention, the diameter envelopes of all the cable bundles passing through a single control point are used as important constraint values, and when a certain control point exceeds a set threshold value, the position is alarmed and indicated.
The setting threshold is not particularly limited in the present invention, and may be set according to actual situations in application.
Specifically, the path checking step may perform path checking on the connected network paths in combination with the cable processing contact table of the whole satellite, and if the related paths are not connected, the related port numbers are listed in the interface in a flashing manner.
Fig. 3 is a schematic flow chart of the cable network path planning of the present invention, as shown in fig. 3, including: a wiring model is created.
Specifically, all relevant electrical ports such as the collecting device, the electrical port and the cable support are combined with port codes in a cable processing contact table of the whole star cable to carry out code setting, the cable connection relation is determined, and the cable connection relation is input into a wiring model.
And arranging the curved surfaces. Specifically, a path control point and a star-shaped control point placement curved surface are set. Four surface types are supported: plane, cylinder-like surface, sector surface, dome surface.
And (5) controlling the point layout. Specifically, designers should be familiar with the structural features of the model before the layout of the control points, and plan the main path and the secondary path of the cable path. And selecting a placing framework of the control points in the satellite three-dimensional model window, and placing various control points according to the path design requirement. And clicking the position for placing the control point on the layout curved surface of the positioning point skeleton by using a mouse, and supporting continuous placement by a program. The buttons such as rotate can be selected to adjust the deployed control points. And the quick layout and quick change of the control points are realized.
The paths are connected. Specifically, the path connection is made at two arbitrarily selected control points, cable clamps or connector ports. The serial or parallel connection mode is selected according to requirements. The connection between the electrical port of the equipment and the control point can realize quick connection by using an automatic connection mode of the equipment port.
And (6) checking a passage. Specifically, after the path connection is completed, the "path check" option is switched to, and the program defaults to display the connected path state as "all harnesses". The filtering option can also be switched to 'problem cable', so that the connection condition of the path with problems can be checked, and the unconnected cable path can be connected.
And judging the correctness of the cable trend. Specifically, if the default shortest path does not meet the design requirements, the layout of the control points is adjusted, and the subsequent three-dimensional cable model is created after the path is confirmed to meet the design requirements.
Specifically, when the path is checked, whether the path is connected or not needs to be judged, and if yes, the cable routing correctness is judged; if not, further judging whether the control point layout is needed. Judging whether the control point layout is needed, if so, repeatedly performing the control point layout, and if not, performing path designation to complete the satellite cable network path model; cable trend correctness is judged, including: if the result is correct, the satellite cable network path model is completed, and if the result is incorrect, whether the control point layout is needed or not is further judged. Judging whether the control point layout is needed, wherein if so, the control point layout is repeatedly carried out; if not, the path is assigned to complete the satellite cable network path model.
The invention provides a cable network path planning system based on a satellite three-dimensional model, which comprises:
a control point setting module: and (4) carrying out installation surface setting on the layout curved surface of the control points, and carrying out rapid layout on various types of control points according to the layout position and the layout mode.
Preferably, the control points include: port control points, path control points, star control points, edge control points and cabin-through hole control points.
Specifically, the control point setting module includes: sub-module M101: the port control point is arranged near the electronic equipment and is positioned on one side of an electric port of the electronic equipment; submodule M102: the path control point is arranged on the middle path of the connection object and mainly controls the path trend of the cable; submodule M103: the star-shaped control point is arranged at the path bifurcation and is mainly used for resolving a cable path passing through the path bifurcation into a non-loop; submodule M104: the edge control points are arranged on the edges of the cabin plate or the single-machine equipment and are mainly used for quickly placing the edge control points, so that the interference between cable bending and a satellite three-dimensional model can be avoided; submodule M105: cabin penetration control points can be added at cabin penetration holes of the cabin plate quickly.
A network path design module: and connecting the control points of various types by utilizing a spline curve, and quickly generating a cable network path based on the satellite three-dimensional model.
Preferably, the network path design module comprises: submodule M201: creating a cable path network by connecting various types of control points in a spline curve manner; submodule M202: and setting the trend of the cable path according to a preset optimal rule based on the established cable path network to generate a cable network path.
Preferably, the cable path trend refers to the cable network path generated by connecting the cable path trend in a serial or parallel mode through spline curves by using various types of well-arranged control points.
Preferably, the preset optimal rule is to automatically determine the shortest path to generate the cable by sequentially traversing all available paths with the shortest path as a target.
A path checking module: and finishing the quick check of the on-off condition of the cable network path based on the generated cable network path and the cable processing contact table.
The working principle of the invention is as follows: arranging control points of cable wiring in the whole satellite three-dimensional model; creating a cable path network by connecting various types of control points in a spline curve manner; based on the established cable path network, the path trend is automatically selected or manually designated according to a specific optimal rule, then a cable network path is established based on the cable path network, and the on-off of the network path is rapidly checked based on the cable network path and a cable processing contact table.
The invention realizes the rapid layout of the control points on the layout curved surface and the rapid connection of the relevant control points; the layout position of the control points can be changed rapidly according to the requirement; and on the basis of the whole-satellite cable network path and the cable processing contact table, the on-off of the whole-satellite cable path can be quickly checked, and the whole-satellite cable network path is finally formed. The method compresses the design cycle time of the whole satellite cable network path planning layout and the whole satellite path network generation, and effectively improves the efficiency of three-dimensional cable network path design.
Those skilled in the art will appreciate that, in addition to implementing the systems, apparatus, and various modules thereof provided by the present invention in purely computer readable program code, the same procedures can be implemented entirely by logically programming method steps such that the systems, apparatus, and various modules thereof are provided in the form of logic gates, switches, application specific integrated circuits, programmable logic controllers, embedded microcontrollers and the like. Therefore, the system, the device and the modules thereof provided by the present invention can be considered as a hardware component, and the modules included in the system, the device and the modules thereof for implementing various programs can also be considered as structures in the hardware component; modules that perform various functions may also be viewed as structures within both software programs that perform the methods and hardware components.
The foregoing description of specific embodiments of the present invention has been presented. It is to be understood that the present invention is not limited to the specific embodiments described above, and that various changes or modifications may be made by one skilled in the art within the scope of the appended claims without departing from the spirit of the invention. The embodiments and features of the embodiments of the present application may be combined with each other arbitrarily without conflict.
Claims (10)
1. A cable network path planning method based on a satellite three-dimensional model is characterized by comprising the following steps:
a control point setting step: mounting surface setting is carried out on the layout curved surface of the control points, and the control points of various types are laid out according to the layout position and the layout mode;
network path design step: connecting the control points of various types by using a spline curve to generate a cable network path based on a satellite three-dimensional model;
a path checking step: and finishing the checking of the on-off condition of the cable network path based on the generated cable network path and the cable processing contact table.
2. The method of claim 1, wherein the control points comprise: port control points, path control points, star control points, edge control points and cabin penetrating hole control points;
the control point setting step includes:
step 101: the port control point is arranged on the electronic equipment and is positioned on one side of an electric port of the electronic equipment;
step 102: the path control point is arranged on the middle path of the connecting object and used for controlling the path trend of the cable;
step 103: the star-shaped control point is arranged at a path bifurcation and is used for resolving a cable path passing through the path bifurcation into a non-loop;
step 104: the edge control points are arranged on edges of the cabin board or the single machine equipment and used for placing the edge control points;
step 105: the cabin penetration control points are added at cabin penetration holes of the cabin plate.
3. The method of claim 1, wherein the step of designing the network path comprises:
step 201: creating a cable path network by connecting the control points of each type in the form of the spline curve;
step 202: and setting the trend of the cable path according to a preset optimal rule based on the established cable path network to generate the cable network path.
4. The method as claimed in claim 3, wherein the cable path is generated by connecting the control points of each type in series or parallel through the spline curve.
5. The method as claimed in claim 3, wherein the predetermined optimal rule is to automatically determine the shortest path by sequentially traversing all available paths with the shortest path as a target.
6. A cable network path planning system based on a satellite three-dimensional model is characterized by comprising:
a control point setting module: mounting surface setting is carried out on the layout curved surface of the control points, and the control points of various types are laid out according to the layout position and the layout mode;
a network path design module: connecting the control points of each type by utilizing a spline curve to generate a cable network path based on a satellite three-dimensional model;
a path checking module: and finishing the checking of the on-off condition of the cable network path based on the generated cable network path and the cable processing contact table.
7. The satellite three-dimensional model-based cable network path planning system of claim 6, wherein the control points comprise: port control points, path control points, star control points, edge control points and cabin penetrating hole control points;
the control point setting module includes:
submodule M101: the port control point is arranged on the electronic equipment and is positioned on one side of an electric port of the electronic equipment;
submodule M102: the path control point is arranged on the middle path of the connection object and controls the path trend of the cable;
submodule M103: the star-shaped control point is arranged at a path bifurcation and is used for resolving a cable path passing through the path bifurcation into a non-loop;
sub-module M104: the edge control points are arranged on edges of the cabin board or the single machine equipment and used for rapidly placing the edge control points;
sub-module M105: the cabin penetration control points are added at cabin penetration holes of the cabin plate.
8. The satellite three-dimensional model-based cable network path planning system of claim 6, wherein the network path design module comprises:
submodule M201: creating a cable path network by connecting the control points of each type in the form of the spline curve;
submodule M202: and setting the trend of the cable path according to a preset optimal rule based on the established cable path network to generate the cable network path.
9. The satellite three-dimensional model-based cable network path planning system according to claim 8, wherein the cable path trend refers to a series or parallel connection form, and the control points of each type are arranged to be connected through the spline curve, so as to generate the cable network path.
10. The system according to claim 8, wherein the predetermined optimal rule is to automatically determine the shortest path by sequentially traversing all available paths with the shortest path as a target.
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| CN117521180A (en) * | 2024-01-08 | 2024-02-06 | 浙江大学 | Three-dimensional airborne cable channel reconstruction method and system based on two-dimensional drawing |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN117521180A (en) * | 2024-01-08 | 2024-02-06 | 浙江大学 | Three-dimensional airborne cable channel reconstruction method and system based on two-dimensional drawing |
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