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Description of BS ISO 7176-11:2012 2013This part of ISOÂ 7176 specifies requirements for test dummies of any mass greater than or equal to 25Â kg, to be used in the evaluation of wheelchairs. This part of ISOÂ 7176 provides formulae that specify the location of the overall centre of mass of test dummies, the masses of the segments that comprise the test dummies and the locations of pivots that connect the segments. It also specifies the characteristics of loading pads that support the segments. The specified location for the centre of mass is approximately the same as that of a human being of the corresponding mass when seated in a wheelchair, and also, for masses up to 100Â kg, when in a standing position in a stand-up wheelchair. This part of ISOÂ 7176 does not attempt to represent the mass distribution of a person with limb atrophy or amputation. This part of ISOÂ 7176 is intended to enable the construction of test dummies that will produce comparable results for stability, performance and durability testing of manual wheelchairs and electrically powered wheelchairs, including scooters. This part of ISOÂ 7176 also includes informative tables of mass and locations of centre of mass, which are derived from the formulae, corresponding to example test dummy masses up to 300Â kg in 25Â kg increments.
About BSIBSI Group, also known as the British Standards Institution is the national standards body of the United Kingdom. BSI produces technical standards on a wide range of products and services and also supplies certification and standards-related services to businesses. |
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