________________________________________________________________________________________________________________________________________SAE Technical Standards Board Rules provide that: “This report is published by SAE to advance the state of technical and engineering sciences. The u of this report is entirely voluntary, and its applicability and suitability for any particular u, including any patent infringement arising therefrom, is the sole responsibility of the ur.” SAE reviews each technical report at least every five years at which time it may be reaffirmed, revid, or cancelled. SAE invites your written comments and suggestions. Copyright © 2010 SAE International
All rights rerved. No part of this publication may be reproduced, stored in a retrieval system or transmitted, in any form or by any means, electronic, mechanical, photocopying, recording, or otherwi, without the prior written permission of SAE.
TO PLACE A DOCUMENT ORDER: Tel: 724-776-4970 (outside USA) Issued 1965-11 Revid 2010-03 RATIONALE
This revision contains editorial changes to improve the document structure and clarity. No technical changes were made.
FOREWORD
This SAE Recommended Practice describes the eyellip, a statistical reprentation of driver eye locations, which is
ud to facilitate design and evaluation of vision in motor vehicles. Examples of eyellip applications include rearview mirror size and placement, wiped and defrosted areas, pillar size and location, and general exterior field of view. The applications are covered in other SAE and ISO practices.
The 2002 revision of the eyellip was the most significant update to SAE J941 since its inception. The 2002 eyellips differed from the previous eyellips in the following ways:
a. The axis angles in plan view and rear view are parallel to vehicle grid.
b. The side view X axis angle is tipped down more at the front.
c. For the 95th percentile eyellip (99th shown in parenthes):
牵牛花的花语和寓意1. The X axis length is 7.5 (18.9) mm longer.
2. The Y axis is 44.6 (6
3.6) mm shorter. 3. The Z axis is 7.4 (10.1) mm longer.
d. The centroid location is generally higher and more rearward.
e. The centroid location in side view is a function of packaging geometry (SgRP, steering wheel location, at cushion
angle, and the prence or abnce of a clutch pedal). f. The eyellip is no longer positioned according to the drivers’ torso angle.
g. The eyellip for at tracks shorter than 133 mm in length has an X axis length unchanged from the prior SAE J941.
The Y and Z axis lengths, and the centroid location, are bad on the new values/ equations given in this document. h. Neck pivot (P) and eye (E) points are bad on the previous plan view sight lines to rearview mirrors and A-pillars, but
are adjusted to the shape and location of the new eyellips.怎么去美国打工
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New additions, incorporated as appendices to this document, are summarized as follows:
a. Fixed at eyellips for an adult ur population at a 50/50 gender mix and 95th and 99th percentile tangent cutoffs
(Appendix B).b. A procedure for calculating adjustable and fixed at eyellips for any ur population stature and gender mix at
lected percentile tangent cutoffs (Appendices A and C). c. Tables providing comparisons between tangent cutoff eyellips and inclusive eyellips. An inclusive eyellip can
be constructed using the tables (Appendix D). Eyellips for Class B vehicles are unchanged from prior versions of SAE J941 (Appendix E). Appendices are informative only and are not normative requirements of this document.
TABLE OF CONTENTS
1.SCOPE .......................................................................................................................................................... 4
. 42.1Applicable Publications ................................................................................................................................. 42.1.1SAE Publications ........................................................................................................................................... 42.2Related Publications ..................................................................................................................................... 52.2.1SAE Publications ........................................................................................................................................... 52.2.2Other Publication ........................................................................................................................................... 5
3.DEFINITIONS ............................................................................................................................................... 53.1Eyellip ........................................................................................................................................................ 53.2Cyclopean Eye or Mid-Eye Point .................................................................................................................. 63.3Tangent Cutoff Plane .................................................................................................................................... 63.4Tangent Cut
off Eyellip ............................................................................................................................... 63.5Neck Pivot Points (P points) ......................................................................................................................... 63.6Neck Pivots, P1 and P2 ................................................................................................................................ 63.7Neck Pivots, P3 and P4 ................................................................................................................................ 73.8Eye Points (E points)..................................................................................................................................... 73.9Inclusive Eyellip ......................................................................................................................................... 83.10Dimensions and Definitions in SAE J1100 ................................................................................................... 8
4.ADJUSTABLE SEAT 95TH AND 99TH PERCENTILE TANGENT CUTOFF EYELLIPSES
FOR A 50/50 MALE/FEMALE GENDER MIX ............................................................................................... 94.1Reference anthropometry ............................................................................................................................. 94.2Axis Lengths .................................................................................................................................................. 94.3Axi
s Angles ................................................................................................................................................. 104.3.1Rear and Plan View Angles ........................................................................................................................ 104.3.2Side View Angle, β ...................................................................................................................................... 104.4Centroid Locations ...................................................................................................................................... 114.4.1Locating Equations ..................................................................................................................................... 114.4.2Seats with Vertical Adjustment ................................................................................................................... 114.4.3Left, Right, Mid-Eye Centroids .................................................................................................................... 125.EYELLIPSE LOCATING PROCEDURE, CLASS A VEHICLES ................................................................. 125.1Determine at characteristics A19, W20, H30, TL23. ............................................................................... 125.2Determine H8 and L6. ................................................................................................................................. 125.3Determine t bad on the percentage of vehicle production that has a clutch pedal. ................................ 125.4Construct identical left and right eyellips bad on the axes given in Table 2. ..........................
............ 125.5Locate the centroids using Equations 2 through 5. .................................................................................... 125.6
Tilt the front of the eyellip X axis down in side view according to Equation 1. (12)
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6.NECK PIVOT (P) AND EYE (E) POINTS: LOCATING PROCEDURE, CLASS A VEHICLES (13)夏天
6.1Background (13)
6.2Neck Pivot (P) Points (13)
6.3Eye (E) Points (13)
7.NOTES (14)
7.1Marginal Indicia (14)
APPENDIX A ADJUSTABLE SEAT TANGENT CUTOFF EYELLIPSES FOR ANY USER POPULATION
STATURE DISTRIBUTION AND GENDER MIX [INFORMATIVE] (15)
APPENDIX B FIXED SEAT 95TH AND 99TH PERCENTILE TANGENT CUTOFF EYELLIPSES FOR AN ADULT POPULATION AT A 50/50 GENDER MIX [INFORMATIVE] (21)
APPENDIX C FIXED SEAT TANGENT CUTOFF EYELLIPSES FOR ANY USER POPULATION STATURE DISTRIBUTION AND GENDER MIX [INFORMATIVE] (25)
APPENDIX D TANGENT CUTOFF EYELLIPSES AND INCLUSIVE EYELLIPSES [INFORMATIVE] (29)
APPENDIX E EYELLIPSES FOR CLASS B VEHICLES [INFORMATIVE] (32)
APPENDIX F BACKGROUND FOR THIS REVISION OF SAE J941 [INFORMATIVE] (35)
FIGURE 1 TYPICAL THREE-DIMENSIONAL TANGENT CUTOFF EYELLIPSES FOR THE LEFT AND RIGHT EYES (6)
FIGURE 2 P POINT LOCATIONS RELATIVE TO 95TH PERCENTILE EYELLIPSE MID-EYE CENTROID WITH SEAT TRACK TRAVEL >133 MM (7)
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FIGURE 3 NECK PIVOT POINT AND ASSOCIATED EYE POINTS (8)
FIGURE 4 ADJUSTABLE SEAT TANGENT CUTOFF EYELLIPSE FOR ONE EYE, THREE VIEWS (10)
FIGURE 5 EYELLIPSE PACKAGE FACTORS, SIDE VIEW AXIS ANGLE, AND CENTROID LOCATION (12)
FIGURE A1 SIDE VIEW LOCATION OF THE MALE AND FEMALE EYE CENTROIDS RELATIVE TO THE REFERENCE CENTROID (16)
FIGURE A2 DETERMINATION OF EYELLIPSE X AXIS END POINTS AND LENGTH (16)
FIGURE B1 FIXED SEAT EYELLIPSE SIDE VIEW AXIS ANGLE AND CENTROID LOCATION (21)
FIGURE B2 FIXED SEAT TANGENT CUTOFF EYELLIPSE FOR ONE EYE - TRUE VIEWS (23)
FIGURE C1 FIXED SEAT EYELLIPSE SIDE VIEW, (X, Z) AXIS AND AXIS ANGLE, δ (27)
FIGURE D1 TWO DIMENSIONAL TANGENT CUTOFF DESCRIPTION (29)
FIGURE E1 EYELLIPSE LOCATION IN CLASS B VEHICLES (33)
TABLE 1 REFERENCE ANTHROPOMETRY (NHANES III)(1) (9)
TABLE 2 LEFT AND RIGHT EYELLIPSE AXIS LENGTHS (TRUE VIEW) (9)
TABLE 3 NECK PIVOT POINTS RELATIVE TO THE 95TH PERCENTILE EYELLIPSE MID-EYE CENTROID (13)
TABLE A1 POPULATION ANTHROPOMETRY(1) (19)
TABLE A2 LEFT AND RIGHT EYELLIPSE AXIS LENGTHS (MM) (19)
TABLE A3 CHANGE IN EYELLIPSE CENTROID LOCATION(1) (50% MALE POPULATION) (20)
TABLE B1 FIXED SEAT EYELLIPSE AXIS LENGTHS (22)
TABLE D1 TANGENT CUTOFF EYELLIPSE PERCENTILES AND CORRESPONDING 2-D AND 3-D将欲
环传INCLUSIVE EYELLIPSE PERCENTILES, ADJUSTABLE SEAT (30)
TABLE D2 TANGENT CUTOFF EYELLIPSE PERCENTILES AND CORRESPONDING 2-D AND 3-D
INCLUSIVE EYELLIPSE PERCENTILES, FIXED SEAT (31)
TABLE E1 LENGTH OF 3 AXES IN TRUE VIEW FOR THE FOUR EYELLIPSES (MM) ........................................... 32--` , , ` ` ` , , , , ` ` ` ` -` -` , , ` , , ` , ` , , ` ---
1. SCOPE
This SAE Recommended Practice establishes the location of drivers’ eyes inside a vehicle.Elliptical (eyellip) models in three dimensions are ud to reprent tangent cutoff percentiles of driver eye locations.
Procedures are provided to construct 95th and 99th percentile tangent cutoff eyellips for a 50/50 gender mix, adult ur population.
Neck pivot (P) points are defined in Section 6 to establish specific left and right eye points for direct and indirect viewing tasks described in SAE J1050. The P points are defined only for the adjustable at eyellips defined in Section 4.
家庭资产配置This document applies to Class A Vehicles (Pasnger Cars, Multipurpo Pasnger Vehicles, and Light Trucks) as defined in SAE J1100. It also applies to Class B vehicles (Heavy Trucks), although the eyellips have not been updated from previous versions of SAE J941.
The appendices are provided for information only and are not a requirement of this document.
2. RE F ERENCES
2.1 Applicable Documents
The following publications form a part of this specification to the extent specified herein. Unless otherwi indicated, the latest issue of SAE publications shall apply.
Publications
2.1.1 SAE
Available from SAE International, 400 Commonwealth Drive, Warrendale, PA 15096-0001, Tel: 877-606-7323 (inside USA and Canada) or 724-776-4970 (outside USA), www.sae.
SAE J826 Devices for U in Defining and Measuring Vehicle Seating Accommodation
SAE J1100 Motor Vehicle Dimensions
SAE J1516 Accommodation Tool Reference Point
SAE J4002 H-Point Machine (HPM-II) Specifications and Procedure for H-Point Determination—Auditing Vehicle Seats
SAE J4004 Positioning the H-Point Design Tool—Seating Reference Point and Seat Track Length
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2.2 Related Publications
The following publications are provided for information purpos only and are not a required part of this specification.
Publications
2.2.1 SAE
Available from SAE International, 400 Commonwealth Drive, Warrendale, PA 15096-0001, Tel: 877-6
06-7323 (inside USA and Canada) or 724-776-4970 (outside USA), www.sae.
SAE J1050 Describing and Measuring the Driver’s Field of View
SAE J1517 Driver Selected Seat Position
SAE Paper 650464 Automobile Driver Eye Position, J. F. Meldrum (1965)
SAE Paper 680105 The Eyellip and Considerations in the Driver’s F orward F ield of View, W. A. Devlin and R. W.
Roe (1968)
SAE Paper 720200 Driver Head and Eye Positions, D. C. Hammond and R. W. Roe (1972)
SAE Paper 750356 Describing the Driver’s Workspace Eye, Head, Knee, and Seat Positions, R. W. Roe (1975)
SAE Paper 852317 Describing the Truck Driver Workspace, N. L. Philippart and T. J. Kuechenmeister (1985) (in SAE SP-712)
SAE Paper 980012 Development of an Improved Driver Eye Position Model, M.A. Manary, et al (1998) (in SAE SP-1358)
M. S. Sanders (1983), “U.S. Truck Driver Anthropometric and Truck Workspace Data Survey,” Final Report submitted to SAE, Warrendale, PA
B. E. Shaw and M. S. Sanders (1984), “Female U.S. Truck Driver Anthropometric and Truck Workspace Data Survey,” --`,,```,,,,````-`-`,,`,,`,`,,`---
Final Report submitted to SAE, Warrendale, PA
2.2.2 Other
Publication
Available from UMTRI, RIPC, 2901 Baxter Road, Ann Arbor, MI 48109-2150, Tel: 734-764-6504, www.umtri.umich.edu.
W. A. Devlin (1975), “Visibility Design Guide,” Propod SAE Recommended Practice (also, ISO/TC159/SC4(USA1)6), SAE Driver Vision Committee, Troy, MI
3. DE F INITIONS
3.1 EYELLIPSE
A contraction of the words eye and ellip ud to describe the statistical distribution of eye locations in three-dimensional space located relative to defined vehicle interior reference points. See Figure 1.
FIGURE 1 - TYPICAL THREE-DIMENSIONAL TANGENT CUTOFF EYELLIPSES
FOR THE LEFT AND RIGHT EYES
3.2 CYCLOPEAN EYE OR MID-EYE POINT
Midpoint between left and right eye points and/or left and right eyellip centroids at centerline of occupant.
3.3 TANGENT CUTOFF PLANE
Plane tangent to an eyellip.
NOTE: When projected at a specified angle or to a specific target, a tangent cutoff plane may be considered a sight plane. In a two-dimensional view, a sight plane may be considered a sight line. See Figure D1 in Appendix D. 3.4 TANGENT CUTOFF EYELLIPSE
Three dimensional eyellip derived as the perimeter of an envelope formed by an infinite number of planes dividing the eye locations so that P percent of the eyes are on one side of the plane and (100 – P) percent are on the other. See Appendix D.
3.5 NECK PIVOT POINTS (P POINTS)
Points about which a driver’s head turns on a horizontal plane. See Figure 2.
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3.6 NECK PIVOTS, P1 AND P2
Neck (head) pivot points ud to position eye points for measuring the driver binocular obstruction due to A-pillars at the left and right side of the vehicle. See Figure 2. --` , , ` ` ` , , , , ` ` ` ` -` -` , , ` , , ` , ` , , ` ---
