CN106023064B - A kind of aircraft cockpit visual field appraisal procedure - Google Patents
A kind of aircraft cockpit visual field appraisal procedure Download PDFInfo
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- CN106023064B CN106023064B CN201610312141.6A CN201610312141A CN106023064B CN 106023064 B CN106023064 B CN 106023064B CN 201610312141 A CN201610312141 A CN 201610312141A CN 106023064 B CN106023064 B CN 106023064B
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- 238000010586 diagram Methods 0.000 description 12
- 239000011521 glass Substances 0.000 description 5
- 238000005070 sampling Methods 0.000 description 3
- 238000005259 measurement Methods 0.000 description 2
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- 230000015572 biosynthetic process Effects 0.000 description 1
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Abstract
The invention discloses a kind of aircraft cockpit visual field appraisal procedures.The aircraft cockpit visual field appraisal procedure includes the following steps: step 1: establishing pilot view range curved surface in the three-dimensional model；Step 2: constructing pilot view enveloping surface in the three-dimensional model；Step 3: obtaining the pilot view figure for meeting the requirement of the civil aircraft control cabin visual field in the coordinate system of pilot's eye site；Step 4: the practical coverage chart of pilot in the coordinate system of pilot's eye site is obtained in the three-dimensional model, to form an assessment threedimensional model；Step 5: design requirement coverage chart being scaled and is brought into assessment threedimensional model, pilot view assessment is carried out.The pilot view figure that design standard requires is converted directly into the coordinate system of pilot's eye position by aircraft cockpit visual field fast evaluation method of the invention, keeps visual field assessment more intuitive, simple.
Description
Technical field
The present invention relates to technical field of aerospace, more particularly to a kind of aircraft cockpit visual field appraisal procedure.
Background technique
In the prior art, the assessment of pulpit visual field is by " trace-point method " --- measurement pilot's eye position is in not
With the aspect angle formed when orientation with windshield, approximation draws pilot view figure to realize.
Carrying out visual field assessment using this method has the characteristics that intuitive, intelligible, but its accuracy is depending on eye position side
The sample density of position, sampling site is closeer, and the coverage chart of drafting is more accurate to the assessment of visual field closer to true visual field, especially
Visual field near windscreen column, is blocked by column, and the necessary approximate simulation column shape of sampling site could accurately be drawn near it
Coverage chart, however, iterating, for Approach by inchmeal process for airplane design, intensive sampling site measurement aspect angle will expend
A large amount of time energy, is unfavorable for the rapidly and efficiently progress of airplane design work.
Thus, it is desirable to have a kind of technical solution overcomes or at least mitigates at least one drawbacks described above of the prior art.
Summary of the invention
The purpose of the present invention is to provide a kind of aircraft cockpit visual field appraisal procedures to overcome or at least mitigate the prior art
At least one drawbacks described above.
To achieve the above object, the present invention provides a kind of aircraft cockpit visual field appraisal procedure, and the aircraft cockpit visual field is commented
The method of estimating includes the following steps: step 1: establishing pilot view range curved surface in the three-dimensional model, wherein define pilot's
Pilot's eye site is origin；Step 2: being required according to the civil aircraft control cabin visual field, in the threedimensional model in the step 1
Building meets the pilot view enveloping surface of design standard requirement；Step 3: by the pilot view enveloping surface in the step 2
With the pilot view range surface intersection in the step 1, and intersection is removed, obtains meeting in the coordinate system of pilot's eye site
The pilot view figure that the civil aircraft control cabin visual field requires；Step 4: flight is obtained in the threedimensional model in the step 3
The practical coverage chart of pilot in the coordinate system of member's eye site, so that an assessment threedimensional model is formed, in the assessment threedimensional model
Including practical coverage chart, pilot view figure and pilot view enveloping surface, by the practical visual field in the assessment threedimensional model
Figure and pilot view figure are using pilot eye site as origin formation plane line-segment；
Step 5: the pilot view figure being scaled and is brought into the assessment threedimensional model in the step 4, is carried out winged
The assessment of office staff's visual field.
Preferably, pilot is is multiplied each piece of windscreen in going by air by the practical coverage chart in the step 4
The contour line of glass projects on pilot view range curved surface, and is with pilot's eye site by each piece of windscreen outline projection line
Origin expansion obtains the practical coverage chart in the coordinate system of pilot's eye site.
Preferably, the step 5 specifically: three-dimensional mould will be assessed in the practical coverage chart of pilot and the step 4
Pilot is represented in pilot view figure in type, and the line segment of visual field and left and right visual field zooms to same ratio up and down, to assess
Whether the difference in areas of practical coverage chart and standard requirements coverage chart meets the requirements.
Preferably, pilot view range curved surface is established in the three-dimensional model in the step 1 specifically: in aircraft seat
Pilot view range curved surface is made in the three-dimensional digital-to-analogue in cabin, curved surface or so boundary is the Derivative limit on the left or on the right position of pilot's eye position movement
It sets, bound is limited to the visual field boundary in some position orientation of pilot.
Aircraft cockpit visual field fast evaluation method of the invention directly converts the pilot view figure that design standard requires
Into pilot's eye position coordinate system, keep visual field assessment more intuitive, simple；Practical coverage chart is projected to by flight using sciagraphy
On member's vision range curved surface, the practical coverage chart of pilot is obtained after expansion, is not limited by windscreen glass shape and piecemeal are how many,
Limitation is not blocked to visual field by column, accuracy is high, and simple, easy to operate；Final practical coverage chart and standard requirements it is winged
Office staff's coverage chart is transformed under the same coordinate system, is indicated visual angle using identical ratio, is made the evaluation work of designer
Simply, easy, and the assessment required time is substantially reduced, it improves work efficiency.
Detailed description of the invention
Fig. 1 is three of pilot view range curved surface in aircraft cockpit visual field appraisal procedure according to an embodiment of the invention
Dimension module schematic diagram.
Fig. 2 is the threedimensional model schematic diagram in the step 2 in embodiment illustrated in fig. 1, including pilot view envelope
Face and pilot view range curved surface.
Fig. 3 is the threedimensional model schematic diagram in the step 3 in embodiment illustrated in fig. 1, including pilot view envelope
Face, pilot view range curved surface and pilot view figure.
Fig. 4 is the threedimensional model schematic diagram in the step 4 in embodiment illustrated in fig. 1, including practical coverage chart and
Pilot view figure.
Fig. 5 is the threedimensional model schematic diagram in the step 5 in embodiment illustrated in fig. 1, including practical coverage chart and
Pilot view figure.
Appended drawing reference
1- pilot view range curved surface；2- pilot's eye site；3- pilot view enveloping surface；4- pilot view
Figure；The practical coverage chart of 5-；6- design requirement coverage chart；7- windshield.
Specific embodiment
To keep the purposes, technical schemes and advantages of the invention implemented clearer, below in conjunction in the embodiment of the present invention
Attached drawing, technical solution in the embodiment of the present invention is further described in more detail.In the accompanying drawings, identical from beginning to end or class
As label indicate same or similar element or element with the same or similar functions.Described embodiment is the present invention
A part of the embodiment, instead of all the embodiments.The embodiments described below with reference to the accompanying drawings are exemplary, it is intended to use
It is of the invention in explaining, and be not considered as limiting the invention.Based on the embodiments of the present invention, ordinary skill people
Member's every other embodiment obtained without creative efforts, shall fall within the protection scope of the present invention.Under
Face is described in detail the embodiment of the present invention in conjunction with attached drawing.
In the description of the present invention, it is to be understood that, term " center ", " longitudinal direction ", " transverse direction ", "front", "rear",
The orientation or positional relationship of the instructions such as "left", "right", "vertical", "horizontal", "top", "bottom" "inner", "outside" is based on attached drawing institute
The orientation or positional relationship shown, is merely for convenience of description of the present invention and simplification of the description, rather than the dress of indication or suggestion meaning
It sets or element must have a particular orientation, be constructed and operated in a specific orientation, therefore should not be understood as protecting the present invention
The limitation of range.
Fig. 1 is three of pilot view range curved surface in aircraft cockpit visual field appraisal procedure according to an embodiment of the invention
Dimension module schematic diagram.Fig. 2 is the threedimensional model schematic diagram in the step 2 in embodiment illustrated in fig. 1, including pilot view
Enveloping surface and pilot view range surface chart 3 are the threedimensional model schematic diagrames in the step 3 in embodiment illustrated in fig. 1,
In include pilot view enveloping surface, pilot view range curved surface and pilot view figure Fig. 4 be in embodiment illustrated in fig. 1
Step 4 in threedimensional model schematic diagram, including practical coverage chart and pilot view figure.Fig. 5 is to implement shown in Fig. 1
The threedimensional model schematic diagram in step 5 in example, including practical coverage chart and pilot view figure.
Aircraft cockpit visual field appraisal procedure as shown in Figure 1 to Figure 5, wherein includes the following steps:
Step 1: establishing pilot view range curved surface 1 in the three-dimensional model, wherein define pilot's eye position of pilot
Point 2 is origin；
Step 2: according to Aeronautical Design Standard, building meets flying for design standard requirement in threedimensional model in step 1
Office staff's visual field enveloping surface 3；
Step 3: the pilot view enveloping surface 3 in step 2 is intersected with the pilot view range curved surface 1 in step 1,
And intersection is removed, the pilot view Fig. 4 for meeting the requirement of the civil aircraft control cabin visual field in the coordinate system of pilot's eye site is obtained,
It is understood that pilot view Fig. 4 is three-dimensional space curve.
Step 4: the practical coverage chart of pilot in the coordinate system of pilot's eye site is obtained in threedimensional model in step 3
5 (windscreen perspective views) include practical coverage chart 5, pilot in the assessment threedimensional model to form an assessment threedimensional model
Coverage chart 4 and pilot view enveloping surface 3, by the practical coverage chart 5 and pilot view Fig. 4 in the assessment threedimensional model
It is that origin forms plane line-segment with pilot's eye site 2.
Specifically, the origin method of deploying is different and different according to used method, for example, passing through in the application
CATIA carries out origin expansion, and there is curved surface/curve this operation button is unfolded in CATIA, can voluntarily be opened up after click
It opens, to obtain the pilot view Fig. 4 for meeting Aeronautical Design Standard requirement in the coordinate system of pilot's eye site；
Step 5: pilot view figure being scaled and is brought into the assessment threedimensional model in step 4, pilot view is carried out
Assessment.
In the present embodiment, pilot is is multiplied each piece of windscreen glass in going by air by the practical coverage chart 5 in step 4
The contour line of glass 7 projects on pilot view range curved surface 1, and is with pilot's eye site by each piece of windscreen outline projection line
Origin expansion obtains the practical coverage chart 5 in the coordinate system of pilot's eye site.
In the present embodiment, step 5 specifically: threedimensional model will be assessed in the practical coverage chart and step 4 of pilot
In pilot view Fig. 4 in represent the line segment of pilot visual field and left and right visual field up and down and zoom to same ratio, to assess
Whether the difference in areas of practical coverage chart and standard requirements coverage chart meets the requirements.
Specifically, when the line segment block diagram for representing practical visual field includes to live to represent the line segment block diagram of design standard requirement, just
Show that visual field meets design requirement.
In the present embodiment, pilot view range curved surface 1 is established in the three-dimensional model in step 1 specifically: flying
Pilot view range curved surface is made in the three-dimensional digital-to-analogue in base cabin, curved surface or so boundary is the left and right pole of pilot's eye position movement
Extreme position, bound are limited to the visual field boundary in some position orientation of pilot.
Aircraft cockpit visual field fast evaluation method of the invention directly converts the pilot view figure that design standard requires
Into pilot's eye position coordinate system, keep visual field assessment more intuitive, simple；Practical coverage chart is projected to by flight using sciagraphy
On member's vision range curved surface, the practical coverage chart of pilot is obtained after expansion, is not limited by windscreen glass shape and piecemeal are how many,
Limitation is not blocked to visual field by column, accuracy is high, and simple, easy to operate；Final practical coverage chart and standard requirements it is winged
Office staff's coverage chart is transformed under the same coordinate system, is indicated visual angle using identical ratio, is made the evaluation work of designer
Simply, easy, and the assessment required time is substantially reduced, it improves work efficiency.
The civil aircraft control cabin visual field requires to be existing national standard file.
Finally it is noted that the above embodiments are merely illustrative of the technical solutions of the present invention, rather than its limitations.To the greatest extent
Present invention has been described in detail with reference to the aforementioned embodiments for pipe, those skilled in the art should understand that: it is still
It is possible to modify the technical solutions described in the foregoing embodiments, or part of technical characteristic is equally replaced
It changes；And these are modified or replaceed, the essence for technical solution of various embodiments of the present invention that it does not separate the essence of the corresponding technical solution
Mind and range.
Claims (4)
1. a kind of aircraft cockpit visual field appraisal procedure, which is characterized in that the aircraft cockpit visual field appraisal procedure includes following step
It is rapid:
Step 1: establishing pilot view range curved surface (1) in the three-dimensional model, wherein define pilot's eye site of pilot
It (2) is origin；
Step 2: being required according to the civil aircraft control cabin visual field, building meets design mark in the threedimensional model in the step 1
The pilot view enveloping surface (3) of alignment request；
Step 3: by the pilot view enveloping surface (3) in the step 2 and the pilot view range curved surface in the step 1
(1) intersect, and remove intersection, obtain the pilot for meeting the requirement of the civil aircraft control cabin visual field in the coordinate system of pilot's eye site
Coverage chart (4)；
Step 4: the practical coverage chart of pilot in the coordinate system of pilot's eye site is obtained in the threedimensional model in the step 3
It (5), include practical coverage chart (5), pilot view figure in the assessment threedimensional model to form an assessment threedimensional model
(4) and pilot view enveloping surface (3), by the practical coverage chart (5) and pilot view figure in the assessment threedimensional model
It (4) is that origin forms plane line-segment with pilot eye site (2)；
Step 5: the pilot view figure being scaled and is brought into the assessment threedimensional model in the step 4, pilot is carried out
Visual field assessment.
2. aircraft cockpit visual field appraisal procedure as described in claim 1, which is characterized in that the reality in the step 4
Coverage chart (5) projects to pilot view model for pilot to be multiplied to the contour line of each piece of windshield (7) in going by air
It encloses on curved surface (1), and each piece of windscreen outline projection line is unfolded using pilot eye site as origin, obtain in pilot's eye site
Practical coverage chart (5) in coordinate system.
3. aircraft cockpit visual field appraisal procedure as claimed in claim 2, which is characterized in that the step 5 specifically: will fly
It assesses in the practical coverage chart (5) of member and the step 4 and is represented on pilot in the pilot view figure (4) in threedimensional model
The line segment of lower visual field and left and right visual field zooms to same ratio, to assess the area of practical coverage chart Yu standard requirements coverage chart
Whether difference meets the requirements.
4. aircraft cockpit visual field appraisal procedure as claimed in claim 3, which is characterized in that in the step 1 in three-dimensional mould
Pilot view range curved surface (1) is established in type specifically: make pilot view range in the three-dimensional digital-to-analogue of aircraft cockpit
Curved surface, curved surface or so boundary are the Derivative limit on the left or on the right position of pilot's eye position movement, and bound is limited to some position orientation of pilot
On visual field boundary.
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| CN201610312141.6A CN106023064B (en) | 2016-05-12 | 2016-05-12 | A kind of aircraft cockpit visual field appraisal procedure |
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| CN201610312141.6A CN106023064B (en) | 2016-05-12 | 2016-05-12 | A kind of aircraft cockpit visual field appraisal procedure |
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| CN106023064B true CN106023064B (en) | 2019-06-28 |
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| CN107704681B (en) * | 2017-09-30 | 2021-06-04 | 江西洪都航空工业集团有限责任公司 | Method for calculating ground visual field range of airplane |
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|---|---|---|---|---|
| CN101989307A (en) * | 2009-07-30 | 2011-03-23 | 中国商用飞机有限责任公司 | Method for designing plane control cabin windshield specific to visual field |
| CN105405093A (en) * | 2015-11-12 | 2016-03-16 | 中国商用飞机有限责任公司 | Aircraft cockpit visual field enhancement system and method |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US9082208B2 (en) * | 2011-07-12 | 2015-07-14 | Spirit Aerosystems, Inc. | System and method for locating and displaying aircraft information |
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Patent Citations (2)
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|---|---|---|---|---|
| CN101989307A (en) * | 2009-07-30 | 2011-03-23 | 中国商用飞机有限责任公司 | Method for designing plane control cabin windshield specific to visual field |
| CN105405093A (en) * | 2015-11-12 | 2016-03-16 | 中国商用飞机有限责任公司 | Aircraft cockpit visual field enhancement system and method |
Non-Patent Citations (2)
| Title |
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| 轻型运动飞机座舱人机界面设计与分析研究;王俊;《中国优秀硕士学位论文全文数据库 工程科技Ⅱ辑》;20120715;C031-74 |
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