ISO 7176-2:2017

Name: ISO 7176-2:2017 — Wheelchairs — Part 2: Determination of dynamic stability of electrically powered wheelchairs
SKU: ISO 7176-2:2017
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Wheelchairs — Part 2: Determination of dynamic stability of electrically powered wheelchairs

Название (английский):

ISO 7176-2:2017

Wheelchairs — Part 2: Determination of dynamic stability of electrically powered wheelchairs

Статус документа:: Действующий
Формат:: Электронный (PDF)
Количество страниц:: 23
Дата публикации:: 26 октября 2017 г.
Издание:: ISO IS 7176 edition 3 version 1
ICS:: 11.180.10

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Описание (английский):

ISO 7176-2:2017 specifies test methods for determining the dynamic stability of electrically powered wheelchairs. ISO 7176-2:2017 is applicable to electrically powered wheelchairs, including scooters, with a maximum nominal speed not exceeding 15 km/h, intended to carry one person. ISO 7176-2:2017 is not applicable to manual wheelchairs with add-on power kits used for, or to assist, propulsion.

Abstract

Похожие стандарты

Стандарты, упомянутые в описании

Overview

ISO 7176-2:2017 - Wheelchairs - Part 2: Determination of dynamic stability of electrically powered wheelchairs specifies repeatable test methods to evaluate the dynamic stability of electrically powered wheelchairs (including scooters) intended to carry one person and having a maximum nominal speed ≤ 15 km/h. The standard defines how to simulate real-world maneuvers and obstacles to reveal instability, wheel lift, tipping potential and the effectiveness of stability-control features.

Key topics and technical requirements

Scope and applicability: Applies to electrically powered wheelchairs and scooters (≤ 15 km/h). Not applicable to manual wheelchairs with add-on power kits.

Test principle: Subject wheelchairs to driving maneuvers and observe for defined instability conditions (wheel lift, tipping, loss of control).

Apparatus and environment:

Rigid flat horizontal test plane with coefficient of friction > 0.6 (measured per ISO 7176-13).
Inclined ramps and transitions (recommended test area ~10 m × 3 m, variable angle ramps allowed).
Rigid vertical step transitions with specified step heights (15 mm, 25 mm, 50 mm and manufacturer-claimed multiples).
Test dummy per ISO 7176-11; optional human test occupant guidance included.
Remote-control means for joystick/tiller control to reproduce maneuvers (Annex A).

Test procedures:

Rearward stability tests (starting, braking, step transitions).
Forward stability tests (braking downhill, descending/ascending steps and slopes).
Lateral/directional stability tests (turning from rest, circular turns at max speed, sudden turns, oblique steps).
Requirements for set-up (anti-tip devices, batteries, test load) and repeatable starting conditions.

Reporting and scoring:

Test report content, disclosure of results and a stability scoring system (Annex C and Annex D) to standardize results and communication.

Practical applications and users

ISO 7176-2:2017 is intended for:

Manufacturers and designers of powered wheelchairs/scooters for product development and safety validation.

Test laboratories and certification bodies conducting dynamic stability testing.

Clinicians, prescribers and therapists who need to understand stability limits during client setup and seating configuration.

Building and facility designers and public transport planners evaluating environmental hazards relative to wheelchair stability.

Procurement teams requiring objective stability data when selecting powered mobility devices.

Related standards

ISO 7176-11 - Test dummies

ISO 7176-13 - Determination of coefficient of friction of test surfaces

ISO 7176-15 - Information disclosure, documentation and labelling

ISO 7176-22 - Set-up procedures

ISO 7176-26 - Vocabulary

ISO 7176-2:2017 provides standardized, reproducible methods to assess dynamic stability - essential for safer design, better prescription and transparent reporting of powered wheelchair performance.

ISO 7176-2:2017

Abstract

Похожие стандарты

Overview

Key topics and technical requirements

Practical applications and users

Related standards

Технические детали

ISO 7176-13:1989

Wheelchairs — Part 13: Determination of coefficient of friction of test surfaces

ISO 7176-11:2012

Wheelchairs — Part 11: Test dummies

ISO 7176-15:1996

Wheelchairs — Part 15: Requirements for information disclosure, documentation and labelling

ISO 7176-26:2007

Wheelchairs — Part 26: Vocabulary