CN112100740A - Method for rapidly checking protruding area in fuel cell hydrogen energy automobile instrument panel - Google Patents
Method for rapidly checking protruding area in fuel cell hydrogen energy automobile instrument panel Download PDFInfo
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- CN112100740A CN112100740A CN202010873647.0A CN202010873647A CN112100740A CN 112100740 A CN112100740 A CN 112100740A CN 202010873647 A CN202010873647 A CN 202010873647A CN 112100740 A CN112100740 A CN 112100740A
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- UFHFLCQGNIYNRP-UHFFFAOYSA-N Hydrogen Chemical compound [H][H] UFHFLCQGNIYNRP-UHFFFAOYSA-N 0.000 title claims abstract description 22
- 229910052739 hydrogen Inorganic materials 0.000 title claims abstract description 22
- 239000001257 hydrogen Substances 0.000 title claims abstract description 22
- 239000000446 fuel Substances 0.000 title claims abstract description 21
- 238000000034 method Methods 0.000 title claims abstract description 18
- 238000002922 simulated annealing Methods 0.000 claims abstract description 8
- 238000005457 optimization Methods 0.000 claims description 9
- 238000000605 extraction Methods 0.000 claims description 3
- 230000009286 beneficial effect Effects 0.000 abstract description 3
- 238000004364 calculation method Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
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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
- G06F30/15—Vehicle, aircraft or watercraft design
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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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Abstract
The invention provides a method for quickly checking a protruding area in a fuel cell hydrogen energy automobile instrument panel, which comprises the following steps: making an imaginary point of a collision point on an automobile instrument board, then reversely making a ball head collision device on the basis of the imaginary point, measuring the distance from a R point to the central point of the ball head collision device, and finally calculating by a simulated annealing algorithm according to the distance from the central point to obtain a real collision point and a real collision area; the beneficial effects provided by the invention are as follows: the accuracy of checking the protruding area in the instrument panel is guaranteed, and meanwhile the operation efficiency is improved.
Description
Technical Field
The invention relates to the field of hydrogen energy automobiles, in particular to a method for quickly checking a protruding area in a fuel cell hydrogen energy automobile instrument board.
Background
With the iterative upgrade of automobile design technology, the traditional whole automobile design mode is broken, and the conventional design mode, working mode and operation method of low-end repeated labor cannot adapt to daily complex working tasks.
Generally, a method for determining a protruding area in an automobile instrument panel is to divide the sections of the instrument panel equally at equal angles by taking an XZ plane as a circle center at a driver R point, then drawing a sketch on each section to find a tangent point (namely a collision point) between the surface and a collision ball head, and finally connecting each collision point together in a spline curve form to form a boundary line of a collision area.
Disclosure of Invention
In view of the above, the present invention provides a method for quickly checking the inner protruding area of the hydrogen energy automobile dashboard of a fuel cell, which comprises the following steps: making an imaginary point of a collision point on an automobile instrument board, then reversely making a ball head collision device based on the imaginary point, measuring the distance from the R point to the central point of the ball head collision device, and finally calculating by a simulated annealing algorithm according to the distance from the central point to obtain a real collision point and a real collision area.
The invention provides a method for rapidly checking a protruding area in a fuel cell hydrogen energy automobile instrument panel, which specifically comprises the following steps:
s101: preliminarily judging a collision area inside a hydrogen energy automobile instrument panel of the fuel cell in a CATIA design environment model;
s102: extracting a collision surface of the collision area by using a collision extraction module of the CATIA, and setting a collision point on the area surface as a collision virtual point;
s103: taking a normal curved surface of the virtual collision point as a collision sphere with the radius r;
s104: connecting the R point of the driver with the central point of the collision sphere to obtain a central connecting line, and measuring the distance between the central connecting line;
s105: fitting a real collision point through an optimization module in a CATIA design environment according to the distance of the central connecting line;
s106: and obtaining a boundary curve of the collision area through the real collision points.
Further, the collision virtual point is plural.
Further, step S101 specifically includes: in a fuel cell hydrogen energy automobile model in a CATIA design environment, a driver R point is taken as a circle center, and radiuses R1 and R2 are respectively taken as spherical surfaces to obtain an intersection area of the spherical surfaces and an instrument panel, namely a collision area.
Further, in step S104, the distance between the center connecting lines is a fixed value.
Further, the optimization module in step S105 specifically adopts a simulated annealing optimization algorithm.
Further, step S105 specifically includes setting the distance between the center connecting lines as a target parameter of a simulated annealing algorithm, setting the spatial Y coordinate of the virtual collision point as a fixed value, setting X, Z as a default dynamic coordinate value, and fitting to obtain a real collision point through a preset budget step number.
In step S106, the obtaining of the collision zone boundary curve through the real collision point is specifically: and connecting the real collision points in sequence through spline curves in the CATIA design environment, wherein the curve obtained after connection is the boundary curve of the collision area.
The beneficial effects provided by the invention are as follows: the accuracy of checking the protruding area in the instrument panel is guaranteed, and meanwhile the operation efficiency is improved.
Drawings
FIG. 1 is a flow chart of a method for rapidly checking a bulging area inside a fuel cell hydrogen energy automobile instrument panel according to the invention;
FIG. 2 is a schematic diagram of calculation and solution for rapidly checking the bulging area inside the fuel cell hydrogen energy automobile instrument panel.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more apparent, embodiments of the present invention will be further described with reference to the accompanying drawings.
Referring to fig. 1 and fig. 2, an embodiment of the present invention provides a method for quickly checking a protruding area inside a fuel cell hydrogen energy automobile dashboard, which specifically includes the following steps: .
S101: preliminarily judging a collision area inside a hydrogen energy automobile instrument panel of the fuel cell in a CATIA design environment model;
in this embodiment, the center of the driver R point is respectively made into a spherical surface with radii of 736mm and 840mm, and the intersection area of the spherical surface and the instrument panel is used as the collision area.
S102: extracting a collision surface of the collision area by using a collision extraction module of the CATIA, and setting a collision point on the area surface as a collision virtual point;
s103: taking a normal curved surface of the virtual collision point as a collision sphere with the radius of 82.5 mm;
s104: connecting the R point of the driver with the central point of the collision sphere to obtain a central connecting line, and measuring the distance between the central connecting line; the values are fixed values and are respectively 736mm-82.5 mm; 840mm-82.5 mm; the distance between the driver R point and the center point of the collision sphere in fig. 2 is 757.5 mm.
S105: fitting a real collision point through an optimization module in a CATIA design environment according to the distance of the central connecting line;
the optimization module specifically adopts a simulated annealing optimization algorithm.
Step S105 specifically sets the distance between the center connecting lines as a target parameter of a simulated annealing algorithm, sets the spatial Y coordinate of the virtual collision point as a fixed value, sets X, Z a default dynamic coordinate value, and fits the preset budget number of steps to obtain a real collision point.
S106: and connecting the real collision points in sequence through spline curves in the CATIA design environment, wherein the curve obtained after connection is the boundary curve of the collision area.
The beneficial effects provided by the invention are as follows: the accuracy of checking the protruding area in the instrument panel is guaranteed, and meanwhile the operation efficiency is improved.
The above description is only for the purpose of illustrating the preferred embodiments of the present invention and is not to be construed as limiting the invention, and any modifications, equivalents, improvements and the like that fall within the spirit and principle of the present invention are intended to be included therein.
Claims (7)
1. A method for rapidly checking a protruding area in a fuel cell hydrogen energy automobile instrument panel is characterized by comprising the following steps: the method specifically comprises the following steps:
s101: preliminarily judging a collision area inside a hydrogen energy automobile instrument panel of the fuel cell in a CATIA design environment model;
s102: extracting a collision surface of the collision area by using a collision extraction module of the CATIA, and setting a collision point on the area surface as a collision virtual point;
s103: taking a normal curved surface of the virtual collision point as a collision sphere with the radius r;
s104: connecting the R point of the driver with the central point of the collision sphere to obtain a central connecting line, and measuring the distance between the central connecting line;
s105: fitting a real collision point through an optimization module in a CATIA design environment according to the distance of the central connecting line;
s106: and obtaining a boundary curve of the collision area through the real collision points.
2. The method for rapidly checking the bulging area inside the fuel cell hydrogen energy automobile instrument panel as claimed in claim 1, wherein: the collision virtual point is plural.
3. The method for rapidly checking the bulging area inside the fuel cell hydrogen energy automobile instrument panel as claimed in claim 1, wherein: step S101 specifically includes: in a fuel cell hydrogen energy automobile model in a CATIA design environment, a driver R point is taken as a circle center, and radiuses R1 and R2 are respectively taken as spherical surfaces to obtain an intersection area of the spherical surfaces and an instrument panel, namely a collision area.
4. The method for rapidly checking the bulging area inside the fuel cell hydrogen energy automobile instrument panel as claimed in claim 3, wherein: in step S104, the distance between the center connecting lines is a fixed value.
5. The method for rapidly checking the bulging area inside the fuel cell hydrogen energy automobile instrument panel as claimed in claim 1, wherein: in step S105, the optimization module specifically adopts a simulated annealing optimization algorithm.
6. The method for rapidly checking the bulging area inside the fuel cell hydrogen energy automobile instrument panel as claimed in claim 5, wherein: step S105 specifically sets the distance between the center connecting lines as a target parameter of a simulated annealing algorithm, sets the spatial Y coordinate of the virtual collision point as a fixed value, sets X, Z a default dynamic coordinate value, and fits the preset budget number of steps to obtain a real collision point.
7. The method for rapidly checking the bulging area inside the fuel cell hydrogen energy automobile instrument panel as claimed in claim 1, wherein: in step S106, the obtaining of the collision zone boundary curve through the real collision point is specifically: and connecting the real collision points in sequence through spline curves in the CATIA design environment, wherein the curve obtained after connection is the boundary curve of the collision area.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010873647.0A CN112100740A (en) | 2020-08-26 | 2020-08-26 | Method for rapidly checking protruding area in fuel cell hydrogen energy automobile instrument panel |
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| Application Number | Priority Date | Filing Date | Title |
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| CN202010873647.0A CN112100740A (en) | 2020-08-26 | 2020-08-26 | Method for rapidly checking protruding area in fuel cell hydrogen energy automobile instrument panel |
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| CN112100740A true CN112100740A (en) | 2020-12-18 |
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| CN202010873647.0A Pending CN112100740A (en) | 2020-08-26 | 2020-08-26 | Method for rapidly checking protruding area in fuel cell hydrogen energy automobile instrument panel |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115270311A (en) * | 2022-08-08 | 2022-11-01 | 阿维塔科技(重庆)有限公司 | Instrument desk head collision area generation method and device based on CATIA |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110705004A (en) * | 2019-08-14 | 2020-01-17 | 武汉格罗夫氢能汽车有限公司 | Method for determining static collision zone of head of hydrogen energy automobile based on CATIA |
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2020
- 2020-08-26 CN CN202010873647.0A patent/CN112100740A/en active Pending
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110705004A (en) * | 2019-08-14 | 2020-01-17 | 武汉格罗夫氢能汽车有限公司 | Method for determining static collision zone of head of hydrogen energy automobile based on CATIA |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115270311A (en) * | 2022-08-08 | 2022-11-01 | 阿维塔科技(重庆)有限公司 | Instrument desk head collision area generation method and device based on CATIA |
| CN115270311B (en) * | 2022-08-08 | 2023-09-26 | 阿维塔科技(重庆)有限公司 | CATIA-based instrument desk head collision area generation method and device |
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Application publication date: 20201218 |