ISO 12021:2010 PDF

Road vehicles — Sensitivity to lateral wind — Open-loop test method using wind generator input

Название (английский):

ISO 12021:2010

Road vehicles — Sensitivity to lateral wind — Open-loop test method using wind generator input

Статус документа:: Действующий
Формат:: Электронный (PDF)
Количество страниц:: 14
Дата публикации:: 23 ноября 2010 г.
Издание:: ISO IS 12021 edition 1 version 1
ICS:: 43.020

Тип поставки:

Full version210 €Read online 24h10 €Read online 72h15 €

Язык документа:

ruen

Срок поставки:3 раб. дн. (перевод)

Цена:210 €

Описание (английский):

ISO 12021:2011 specifies an open-loop test method to determine the sensitivity to lateral wind of a vehicle by means of a wind generator. It applies to passenger cars as defined in ISO 3833, passenger car-trailer combinations and light trucks. Its applicability to motorcycles is yet to be investigated. The test conditions specified in this test method are not representative of real driving conditions but are useful to obtain measures of vehicle dynamic response to lateral wind.

Технические детали

Технический комитет: ISO/TC 22/SC 33 - Vehicle dynamics and chassis components
SKU: ISO 12021:2010

Abstract

Overview

ISO 12021:2010 - Road vehicles: Sensitivity to lateral wind - Open‑loop test method using wind generator input defines a repeatable laboratory-like procedure to quantify a vehicle’s dynamic response to lateral (cross) wind. The standard applies to passenger cars (ISO 3833), passenger car–trailer combinations and light trucks; applicability to motorcycles is still under investigation. The method uses wind generators to create a controlled lateral wind zone and records the vehicle’s open‑loop response (steering held fixed) to that input. ISO 12021 is intended to provide discriminatory, reproducible measures of lateral wind sensitivity - not to simulate every real driving condition.

Key technical topics and requirements

Test principle: open‑loop exposure to a lateral wind input while the vehicle travels straight; steering-wheel held fixed for most of the run.
Measured variables: mandatory - yaw velocity (ψ), lateral acceleration (ay), steering‑wheel angle (δ), longitudinal velocity (vx). Optional - lateral deviation, roll angle, sideslip, lateral velocity.
Measuring equipment & accuracy: multi‑channel recording of time histories; recommended maximum errors (examples from standard) include yaw ±0.1°/s, lateral acceleration ±0.05 m/s², steering-wheel angle resolution <0.3°, longitudinal velocity ±0.4 m/s, lateral deviation ±0.02 m.
Wind generator input: average lateral wind velocity 20 m/s ± 3 m/s (for ambient wind <1 m/s); nominal wind angle and velocity profiles over height and length must be documented. Wind zone length ≥ 15 m (preferably >25 m).
Test track & environment: uniform hard surface, lateral gradient

Overview

Key technical topics and requirements

Test principle: open‑loop exposure to a lateral wind input while the vehicle travels straight; steering-wheel held fixed for most of the run.
Measured variables: mandatory - yaw velocity (ψ), lateral acceleration (ay), steering‑wheel angle (δ), longitudinal velocity (vx). Optional - lateral deviation, roll angle, sideslip, lateral velocity.
Measuring equipment & accuracy: multi‑channel recording of time histories; recommended maximum errors (examples from standard) include yaw ±0.1°/s, lateral acceleration ±0.05 m/s², steering-wheel angle resolution <0.3°, longitudinal velocity ±0.4 m/s, lateral deviation ±0.02 m.
Wind generator input: average lateral wind velocity 20 m/s ± 3 m/s (for ambient wind <1 m/s); nominal wind angle and velocity profiles over height and length must be documented. Wind zone length ≥ 15 m (preferably >25 m).
Test track & environment: uniform hard surface, lateral gradient

ISO 12021:2010 PDF

Технические детали

Abstract

Overview

Key technical topics and requirements

Похожие стандарты

Abstract

Overview

Key technical topics and requirements

Похожие стандарты

Road vehicles -- Types -- Terms and definitions

Road vehicles — Sensitivity to lateral wind — Part 1: Open-loop test method using wind generator input

Water quality — Biological classification of rivers — Part 1: Guidance on the interpretation of biological qu…

Standard Practice for Use of a Radiochromic Liquid Dosimetry System (Withdrawn 2020)

Standard Practice for Dosimetry in Gamma Irradiation Facilities for Food Processing (Withdrawn 2013)

Standard Practice for Dosimetry in Electron Beam and X-Ray (Bremsstrahlung) Irradiation Facilities for Food P…

Standard Practice for Dosimetry in Radiation Processing

Standard Terminology for Additive Manufacturing—Coordinate Systems and Test Methodologies