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BS ISO 22140:2021

BS ISO 22140:2021

$142.49

Passenger cars. Validation of vehicle dynamics simulation. Lateral transient response test methods

Published By Publication Date Number of Pages
BSI 2021 30
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This document specifies methods for comparing computer simulation results from a vehicle mathematical model to measured test data for an existing vehicle according to ISO 7401. The comparison is made for the purpose of validating the simulation tool for this type of test when applied to variants of the tested vehicle.

It is applicable to passenger cars as defined in ISO 3833.

PDF Catalog

PDF Pages PDF Title
2 National foreword
6 Foreword
7 Introduction
9 1 Scope
2 Normative references
3 Terms and definitions
10 4 Principle
11 5 Variables
6 Simulation tool requirements
6.1 General
6.2 Mass and inertia
6.3 Tires
12 6.4 Suspensions
6.5 Steering system
6.6 Aerodynamics
6.7 Brake system
13 6.8 Powertrain
6.9 Active control system (ESC system, active roll control, etc.)
6.10 Data acquisition
6.11 Driver controls
7 Physical testing
7.1 General
7.2 Measuring equipment
7.3 Test conditions
14 7.4 Filtering of measured data
7.5 Test methods
7.5.1 Step input
15 7.5.2 Sinusoidal input — One period
16 7.5.3 Random input
7.5.4 Pulse input
17 7.5.5 Continuous sinusoidal input
18 8 Simulation
8.1 General
8.2 Data recording and processing
8.3 Simulation method
8.3.1 Step input
8.3.2 Sinusoidal input — One period
19 8.3.3 Random input
8.3.4 Pulse input
20 8.3.5 Continuous sinusoidal input
21 9 Comparison between simulation and physical test results
9.1 Step input
23 9.2 Sinusoidal input — One period
25 9.3 Random input, pulse, and continuous sinusoidal input
9.3.1 General
9.3.2 Calculation of boundary point
26 9.3.3 Tolerance for frequency function
9.3.4 Validation criteria
28 10 Documentation
29 Bibliography

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BS ISO 22140:2021
$142.49