ABLE: a standing style transfer system for a person with disabled lower limbs (improvement of stability when traveling)

Purpose – The purpose of this paper is to describe a standing style transfer system, ABLE, designed to enable a person with disabled lower limbs to do daily‐life activities without special infrastructure. Actually, ABLE is mainly intended for use by people who have spinal cord injuries and who cannot move hip joints and lower extremities: the level of spinal cord injury is L1.Design/methodology/approach – ABLE comprises three modules: a powered lower extremity orthosis, a pair of telescopic crutches, and a pair of mobile platforms. When traveling in a standing position, the user wears the powered lower extremity orthosis to fix his posture, and rides on the mobile platforms. The user uses crutches to keep his body stable. These telescopic crutches also play an important role of power assistance in standing‐up and sitting‐down motions, or going up/down a step. The user can enter narrow spaces, although stability is emphasized in wide spaces because it is possible to alter the contact points of the crutches...

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