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SAE reviews each technical report at least every five years at which time it may be reaffirmed, revised, or cancelled. SAE invit e s your written comments and suggestions. Copyright ©2002 Society of Automotive Engineers, Inc.移动自组网
All rights reserved. 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 otherwis
e, without the prior written permission of SAE.
SAE Technical Standards Board Rules provide that: “This report is published by SAE to advance the state of technical and enginee ring sciences. The use of this report is entirely voluntary, and its applicability and suitability for any particular use, including any patent infringement arising therefrom, is the sole responsibility of the user.”
物理教具制作
SAE reviews each technical report at least every five years at which time it may be reaffirmed, revised, or cancelled. SAE invit e s your written comments and suggestions. Copyright ©2002 Society of Automotive Engineers, Inc.
All rights reserved. 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 otherwise, without the prior written permission of SAE.
1.Scope—This SAE Recommended Practice describes head position contours and procedures for locating the
contours in a vehicle. Head position contours are useful in establishing accommodation requirements for head space and are required for several measures defined in SAE J1100. Separate contours are defined depending on occupant seat location and the desired percentage (95 and 99) of occupant accommodation.
This document is primarily focused on application to Class A vehicles (see SAE J1100), which include most personal-use vehicles (passenger cars, sport utility vehicles, pick-up trucks). A procedure for use in Class B vehicles can be found in Appendix B.
2.References
2.1Applicable Publications—The following publications form a part of this specification to the extent specified
herein. Unless otherwise specified, the latest issue of SAE publications shall apply.
2.1.1SAE P UBLICATIO NS—Available from SAE, 400 Commonwealth Drive, Warrendale, PA 15096-0001.
SAE J941—Motor Vehicle Drivers’ Eye Locations钙锌复合稳定剂
SAE J1052 MAY87—Motor Vehicle Driver and Passenger Head Position
SAE J1052 APR97—Motor Vehicle Driver and Passenger Head Position
SAE J1100—Motor Vehicle Dimensions
SAE J1516—Accommodation Tool Reference Point
SAE J1517—Driver Selected Seat Position
SAE Paper 650464—J.F. Meldrum (1965), “Automobile Driver Eye Position,” SAE Mid-Year Meeting, Chicago, IL
SAE Paper 720200—D.C. Hammond and R.W. Roe (1972), “Driver Head And Eye Positions,” SAE A
nnual Congress, Detroit, MI
SAE Paper 750356—R.W. Roe (1975), “Describing the Driver's Workspace: Eye, Head, Knee, and Seat Positions,” SAE Annual Congress, Detroit, MI
SAE Paper 852317 (in SAE Special Pub. 712)—N.L. Philippart and T.J. Keuchenmeister (1985),“Describing the Truck Driver Workspace”, SAE Truck & Bus Meeting, Chicago, IL
2.1.2UMTRI P UB LICATION—Available from UMTRI, RIPC, 2901 Baxter Road, Ann Arbor, MI 48109-2150. Email:
激光打孔umtridocs@umich.edu, 734-764-2171.
Lee, N.S. and Schneider, L.W. “A Preliminary Investigation of Driver Lean in Late Model Vehicles with Bench and Bucket Seats,” UMTRI Report No. UMTRI-88-49, November 1988
3.Using the Head Position Contours in Design—The following considerations should be kept in mind when
applying head position contours during design. Head position contours are models that describe occ
upant head locations for a population, not an individual. In this document, the head contours for Class A vehicles are based on a USA population having an equal number of males and females. Head position contours are constructed as tangent cutoff tools by applying a mean head profile (SAE Paper 750356) to the appropriate tangent cutoff eyellipse. (See Figure 1.) This means that a plane drawn tangent to the surface of a 95 percentile head position contour will result in 95% of the head locations lying on one side of the plane, while 5% will be on the other. It does not mean that the 95th percentile head position contour contains 95 percent of occupant head locations inside its surface.
The surface of a head position contour represents the surface of the population of heads with hair. If the top of the 95% head contour is just touching a vehicle surface, this means that 5% of a population consisting of half males/half females would have their head or hair contacting a vehicle surface when sitting in their preferred seating posture. Designers will need to add additional clearance around the head contours in order to prevent occupants’ head or hair from touching vehicle surfaces and structures in normal driving or riding postures.
1.范围 —本SAE工业标准描述了头部位置包络以及车辆头部包络定位的设计程序。头部位置包络可以用于设定室内尺
寸对于头部空间的要求，在SAE J1100里定义的一些尺寸也需要头部位置包络。每个包络的定义依赖于乘员（居住者：包络驾驶员和乘客）的座椅位置和乘员不同百分位（95和99）的分布。 本文件首先致力于头部位置包络在A类车辆（参考SAE J1100）中的实际应用，A类车辆包络了大部分的乘用 车（轿车，多功能运动车，皮卡）。B类车辆的设计程序参考附B。
2.参考资料
2.1引用文件—以下文件通过引用而成为本标准的一部分。除非特别说明，以下SAE文件的最新版本同样适用。
2.1.1SAE 出版物—Available from SAE, 400 Commonwealth Drive, Warrendale, PA 15096-0001.
SAE J941—机动车辆驾驶员的眼睛位置
SAE J1052 MAY87—机动车辆驾驶员和乘客的头部位置
SAE J1052 APR97—机动车辆驾驶员和乘客的头部位置
SAE J1100—机动车辆尺寸
SAE J1516—室内设备的参考点
SAE J1517—驾驶员座椅位置的选择
SAE 论文 650464—J.F. Meldrum (1965), “汽车驾驶员眼睛的位置” ,SAE Mid-Year Meeting,
Chicago, IL
SAE 论文 720200—D.C. Hammond and R.W. Roe (1972), “驾驶员头部和眼睛位置,” SAE Annual Congress, Detroit, MI
SAE Paper 750356—R.W. Roe (1975), “Describing the Driver's Workspace: Eye, Head, Knee, and Seat Positions,” SAE Annual Congress, Detroit, MI
SAE Paper 852317 (in SAE Special Pub. 712)—N.L. Philippart and T.J. Keuchenmeister (1985),“Describing the Truck Driver Workspace”, SAE Truck & Bus Meeting, Chicago, IL
2.1.2UMTRI P UB LICATION—Available from UMTRI, RIPC, 2901 Baxter Road, Ann Arbor, MI 48109-2150. Email:
umtridocs@umich.edu, 734-764-2171.
Lee, N.S. and Schneider, L.W. “A Preliminary Investigation of Driver Lean in Late Model Vehicles with Bench and Bucket Seats,” UMTRI Report No. UMTRI-88-49, November 1988
3.在设计中使用头部位置包络 —在设计中应用头部位置包络需要注意以下事项。头部位置包络所表述的是乘员人
总体的头部定位模型，而不是代表某个个体。本文档里，A类车辆头部包络是以美国人口总体（男女均等）为基础的。头部位置包络是通过特定的眼椭圆相对应的头部轮廓均值以切线法绘制的（见图1）。这意味着与第95百分位头部包络面相切的一平面会导致95%的头部位置在平面的一边，剩下的5%在另一边。Head position contours are constructed as tangent cutoff tools by applying a mean head profile (SAE Paper 750356) to the appropriate tangent cutoff eyellipse. (See Figure 1.) This means that a plane drawn tangent to the surface of a 95
percentile head position contour will result in 95% of the head locations lying on one side of the plane, while 5% will be on the other.并不是说第95百分位的头部包络面包含了95%的人口总体头部在里面。
头部包络面包括头部的毛发。如果95%的头部包络恰好碰到了车辆顶部内表面，这意味着存在5%男女均等的人口总体，当他们以舒适的姿态坐在座椅上时，他们的头部或毛发将与车顶内表面干涉。因此，
设计师需要在头部包络周面增加额外的公差以避免在正常的驾驶或乘坐姿态下，乘员的头部或毛发触碰到车顶内表面。
4.Selecting the Correct Head Position Contour—Three factors determine which head contour to use: seat
track travel length (TL23), desired accommodation percentile value, and occupant seat location.
4.1Seat Track Travel, TL23—The size and location of the head position contour varies depending on the amount of fore/aft seat track travel available. There are three categories of seat track travel: 0 mm (fixed seat), up to 133 mm, and greater than 133 mm.
Seat track travel also determines the side view angle of the contour. For adjustable seats (track travel greater than 0 mm), the head contour is tipped down in front 12 degrees. Head contours for fixed seats are not tipped.
4.2Accommodation Percentile Values—Head position contours for 95th and 99th accommodation percentiles
are provided. Percentile value affects the size of the contour, with the 99th percentile contour larger t
han the 95th. Only the 95th percentile head position contours are required for dimensions given in SAE J1100.
4.3
Occupant Seat Location—For the driver and front outboard passenger, the head position contours are 23mm wider in rear view than for other occupants. The additional 23 mm is located outboard of occupant centerline. There are 6 possible head position contours available for the driver and front outboard passenger depending on the amount of seat track travel available and the desired accommodation percentile value.Adjustable seat head position contours are also used for the center occupant in the front row. In this case, the 23 mm segment should not be incorporated into the adjustable seat head contour.
For all other occupant seat locations, only two contours are provided – 95th percentile fixed seat and 99th percentile fixed seat. For rear seats that allow occupants to adjust the fore/aft seat travel and/or the back angle, there are not data from which a head position contour can be developed, located, and selected. Until such data are available, use of the fixed seat head contour is recommended.
5.Head Position Contour Geometry—Head position contours are constructed by modifying 3-D ellips
oids. The
size of the initial ellipsoid, defined by the length of the X, Y, and Z axes, depends on the desired accommodation percentile value and amount of seat track travel. The centroid of the initial ellipsoid is the point used for positioning the completed head contour.
The size and shape of the completed head contour depends on the desired percentile value, amount of seat track travel, and occupant seat location.
5.1Construct an Ellipsoid—Construct the appropriate ellipsoid using the values in Table 1. Identify the centroid
of the ellipsoid and maintain this point.
挤压件5.2Discard Lower Half—The lower half of the ellipsoid is not used in any of the contours and should be
discarded. The centroid identified in 5.1 will now be centered at the bottom of the completed contour.
NOTE—This completes construction of the head contours for fixed seat rear passengers. (See Figure 2.)
TABLE 1—ELLIPSOID AXES DIMENSIONS (mm)
Percentile
Value
Seat Track Travel (TL23)Axis Length from Centroid X Axis Length from Centroid Y Axis Length from Centroid Z 95th >133 mm
± 211.25± 143.75± 133.50< or = 133 mm
± 198.76± 143.75± 133.500 mm (fixed seat)
± 173.31± 143.41± 147.0799th >133 mm
喷射混凝土用速凝剂
± 246.04± 166.79± 151.00< or = 133 mm
± 232.40± 166.79± 151.000 mm (fixed seat)± 198.00± 165.20± 169.66
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