SAE J ISO 14791 : AUG 2001
Withdrawn
ROAD VEHICLES - HEAVY COMMERCIAL VEHICLE COMBINATIONS AND ARTICULATED BUSES - LATERAL STABILITY TEST METHODS
01-12-2013
07-23-2013
Foreword
Introduction
1 Scope
2 Normative references
3 Terms and definitions
4 Test objectives
5 Measuring equipment
5.1 Description
5.2 Transducer installation
5.3 Data processing
6 Test conditions
6.1 Test tracks
6.2 Tyres
6.3 Operating components
6.4 Loading conditions
7 Test method
7.1 Warm-up
7.2 Test speed
7.3 Lateral acceleration
7.4 Pseudo-random input
7.5 Single lane-change
7.6 Pulse input
8 Data analysis and presentation
8.1 Preliminary analysis
8.2 Rearward amplification
8.3 Offtracking
8.4 Zero-damping speed and yaw damping
8.5 Yaw-velocity ratio
Annex A (normative) General data sheet
Annex B (normative) Presentation of results
Annex C (informative) Technique and verification for
path-following
Annex D (informative) Calculation of confidence interval for
the rearward amplification
Bibliography
States test methods to determine the lateral stability of heavy commercial vehicle combinations as defined in ISO 3833, including truck centre-axle trailer combinations and articulated buses.
| DevelopmentNote |
Supersedes SAE J 2179. (11/2002) SAE no longer licensed to publish these documents. Use ISO instead. (05/2006)
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| DocumentType |
Standard
|
| PublisherName |
SAE International
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| Status |
Withdrawn
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| Supersedes |
| Standards | Relationship |
| ISO 14791:2000 | Identical |
| ISO 1176:1990 | Road vehicles — Masses — Vocabulary and codes |
| ISO 3833:1977 | Road vehicles — Types — Terms and definitions |
| ISO 9815:2010 | Road vehicles — Passenger-car and trailer combinations — Lateral stability test |
| ISO 8855:2011 | Road vehicles — Vehicle dynamics and road-holding ability — Vocabulary |