JTC1 SWG-A Tokyo Sep. 12-16, 2005K. Sagawa　 No.1

Ken SagawaNational Institute of Advanced Industrial Science and Technology,

Tsukuba Japan

Convenor ISOTC159 WG2

Ergonomics for people with special requirements

SWG-A N 084SWG-A N 084

JTC1 SWG-A Tokyo Sep. 12-16, 2005K. Sagawa　 No.2

To develop a technical guideline that assists standard developers to implement the ISO/IEC Guide 71 in individual standards

To provide ergonomic principles and data on human abilities as a function of age and disabilities to be used for the design process of the products and environment that take account of the needs of older people and people with disabilities

Scope of the Work

JTC1 SWG-A Tokyo Sep. 12-16, 2005K. Sagawa　 No.3

Factors to consider

How to consider

and design

?

•Alternative format •Location/Layout•Lighting/glare•Colour/contrast•Size/style of font•Clear language •Symbols/drawings•Volume/frequency•Slow pace•Distinctive form•Ease of handling•Expiration date making

•Contents labeling •Surface temperature •Accessible routes•Logical process•Surface finish•Non-allergenic/toxic•Acoustics•Fail-safe•Ventilation•Fire-resistance

ISO/IEC Guide 71 (2001)

JTC1 SWG-A Tokyo Sep. 12-16, 2005K. Sagawa　 No.4Technical Guideline

ISO/IEC Guide 71

Technical Guideline To provide methods on how to take account of the needs of the elderly and the disabled on the bases of the quantitative data on human abilities

Individual standards

JTC1 SWG-A Tokyo Sep. 12-16, 2005K. Sagawa　 No.5

(Basic standards or Guidelines)

(Individual Standards)

Type 1: Providing alternative information

Type 2: Design with numerical specification

Two types of Technical Guideline

ISO/IEC

Guide 71

Technical Guideline

Products, Service, Environment

Standards

JTC1 SWG-A Tokyo Sep. 12-16, 2005K. Sagawa　 No.6JIS X6310: Prepaid cards

(Type 1; Alternative format)

Visual to tactile information

JTC1 SWG-A Tokyo Sep. 12-16, 2005K. Sagawa　 No.7

Hearing sensitivity and sound pressure levels for auditory signals

▲： Attention signals

■： Completion signals

□： Feedback signals

Kurakata et al., Jpn.J.Ergonomics35(4), 281 (1999)

(Type 2; Design with numerical specification)

JTC1 SWG-A Tokyo Sep. 12-16, 2005K. Sagawa　 No.8

Age,Viewing distance (D)

Luminance (L)

Age,Viewing distance (D)

Luminance (L)

Visual acuity(V)

Visual acuity(V)

Minimum legible letter size

(P)

Minimum legible letter size

(P)

用法一日３回食後服用、・・・・・・・・

pamphlets

bottle labelsTraffic signs

Viewing Distance 　 (m)

0.1

1.0

0.1 1 10

Vis

ual a

cuity

70s

10s

Estimation of minimum legible letter size

0.1

1.0

0.01 0.1 1 10 100 1000Luminance 　 (cd/m2)

70s

10s

Vis

ual a

cuity

Displays

P = a(D/V) +b P = a(D/V) +b a, b; paramtersa, b; paramters

JTC1 SWG-A Tokyo Sep. 12-16, 2005K. Sagawa　 No.9

-3.5

-3.0

-2.5

-2.0

-1.5

-1.0

-0.5

0.0

0.5

Lu

min

ou

s e

fficie

ncy (

in log

u

nit

)

350 400 450 500 550 600 650 700 750

Wavelength 　 (nm)

average of 10s

Average of 70s

Age-related visual sensitivity change

Age-related luminance and visibility

Luminance

contrast＝ 34 ％

For the observer of 20s

Luminance

contrast＝ 6 ％

For the observer of 60s

Sample visual sign

Wavelength (nm)

Spe

ctra

l rad

ianc

e (

wat

t/m

sr

) Le,(c) Le,(b)

2

0.0000

0.0005

0.0010

0.0015

0.0020

400 450 500 550 600 650 700

backgroundsign

(Type 2; information for quantitative design )

JTC1 SWG-A Tokyo Sep. 12-16, 2005K. Sagawa　 No.10Color combination

5R

5YR

5Y

5GY

5G

5BG

5B

5PB

5P

5RPRed

GreenPurple-blue

Color combination with easy discrimination

5P

5PB

5B5BG

5G

5GY

5Y

5R5YR

5RP

5P

5PB

5B5BG

5G

5GY

5Y

5R

5YR

5RP

5BG

5P

5PB

5B 5G

5GY

5Y

5R

5YR

5RP

Data on categorical colors

JTC1 SWG-A Tokyo Sep. 12-16, 2005K. Sagawa　 No.11

Guide 71 Factors Matrix

Sensory

font/size

Sound pressure Level of auditory signals

-------- -------------- -------

Physical

Allergy

cognitive

Information

alternate format

Contrast/colour

-----

Font/size

Loudness/pitch

-----

packagingmaterials

installationuser interface

maintenance・・・

build environment・・

ISO TC159 Ergonomics

SC1 SC3 SC4 SC5

WGs WGs WGs WGs

（ Individual standards)

TC159WG2 and Technical Guideline

WG2: Ergonomics for people with special requirements

Technical Guideline and Database

JTC1 SWG-A Tokyo Sep. 12-16, 2005K. Sagawa　 No.12

(1) Sensory abilitiesVision: color, font type/size, visual field, etc

Hearing: auditory signals, loudness/pich,, etc

Tactile sense: tactile dots, bars, and notches

(2) Physical abilitiesDexterity: opening packages, etc

Manipulation: reach span, manipulation speed, etc

Movement: step length, step height, etc

Strength: muscle power, endurance, grip force, etc

(3) Cognitive abilities Intellect: attention, learning speed, etc

Memory: memory span, etc

(4) Allergy: contact allergy, etc

Technical items (examples)

JTC1 SWG-A Tokyo Sep. 12-16, 2005K. Sagawa　 No.13

December 2003 NWI and WG proposal

March 2004 ISOTC159WG2 established

April 2004 First WG2 meeting at Hamburg Basic work plan Contents of TR Role allocation and time schedule

October 2004 2nd WG2 meeting at MilanDiscussions on TR

May 2005 3rd meeting at Nagoya

September 2005 4th meeting at OrlandoCompletion of TR

November 2005 Submission and voting in TC159

Work program (ISOTC159WG2)