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BS ISO 4138:2021 – TC

BS ISO 4138:2021 – TC

$186.33

Tracked Changes. Passenger cars. Steady-state circular driving behaviour. Open-loop test methods

Published By Publication Date Number of Pages
BSI 2021 62
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PDF Catalog

PDF Pages PDF Title
34 National foreword
38 Foreword
39 Introduction
41 1 Scope
2 Normative references
3 Terms and definitions
4 Principle
4.1 Test methods
42 4.2 Equivalence of test methods
5 Variables
5.1 Reference system
5.2 Measurement
43 6 Measuring equipment
6.1 Description
6.2 Transducer installation
6.3 Data processing
7 Test conditions
44 8 Test procedure
8.1 Warm-up
8.2 Initial driving condition
8.3 General test description
8.4 Method 1 — Constant radius
8.4.1 Description
45 8.4.2 Procedure
8.5 Method 2 — Constant steering-wheel angle
8.5.1 Description
8.5.2 Procedure
46 8.6 Method 3 — Constant speed
8.6.1 Description
8.6.2 Procedure
47 9 Data analysis
9.1 General
9.2 Lateral acceleration
48 9.3 Path radius
10 Data evaluation and presentation of results
10.1 General
10.2 Plotted results (see also Annex A)
10.3 ​Evaluation of characteristic values
10.3.1 General
49 10.3.2 ​Evaluation of gradients — Differentiation
50 10.3.3 Normalization of results — Comparison of results from different vehicles
51 10.3.4 Normalized steady-state properties
53 Annex A (normative) Presentation of results
59 Annex B (normative) Determination of overall (static) steering ratio
60 Annex C (informative) General information — Theoretical basis for the test methods
61 Bibliography

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BS ISO 4138:2021 - TC
$186.33