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BS ISO 19585:2019

BS ISO 19585:2019

$142.49

Heavy commercial vehicles and buses. Vehicle dynamics simulation and validation. Steady-state circular driving behavior

Published By Publication Date Number of Pages
BSI 2019 26
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This document specifies a method for comparing simulation results from a vehicle model to measured test data for an existing vehicle according to steady-state circular driving tests as specified in ISO 14792. The comparison is made for the purpose of validating the vehicle model for this type of test.

This document applies to heavy vehicles, including commercial vehicles, commercial vehicle combinations, buses and articulated buses as defined in ISO 3833 (trucks and trailers with a maximum weight above 3,5 tonnes and buses and articulated buses with a maximum weight above 5 tonnes, according to ECE and EC vehicle classification, categories M3, N2, N3, O3 and O4).

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
5 Variables
11 6 Simulation model parameters and requirements
6.1 General
6.2 Basic vehicle parameters — Mass and geometry
6.3 Estimated vehicle parameters
12 6.3.1 Height of the centre of gravity
6.3.2 Tyre lateral force characteristics
13 6.3.3 Suspension kinematics and compliance properties
6.3.4 Steering system
14 6.4 Additional model requirements
6.4.1 Powertrain
6.4.2 Chassis stiffness
6.4.3 Cabin suspension
6.4.4 Active braking systems and other active systems
15 6.4.5 Driver Control
7 Physical tests
7.1 General
7.2 Test methods
16 7.2.1 Constant radius test with slowly increasing velocity
7.2.2 Constant speed test with slowly increasing steering wheel angle
7.3 Evaluation of test results
7.3.1 Characteristic curves
7.3.2 Curve fitting
18 7.3.3 Gradient values
19 8 Simulation
8.1 General
8.2 Data recording
8.3 Documentation
9 Comparison of simulation and physical tests
9.1 Documentation
9.2 Calculation of boundary points
22 9.3 Comparison of gradient values
9.4 Validation process
24 Annex A (informative) Principle for comparing simulation and test results

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BS ISO 19585:2019
$142.49