Yongdong Wang
ABSTRACT
The article provides theoretical basis and guidance for designing smart wheelchairs by establishing a smart wheelchair function demand index system. Through the research and market product analysis of smart wheelchairs, the functional requirements indicators of smart wheelchairs are used to use the KJ affinity graph. The weight value of each functional indicator is calculated through the questionnaire survey method, interview method, and AHP hierarchical analysis method, and the consistency test is completed. The target layer of the smart wheelchair function requirements indicators include 4 first-level indicators, and 11 second-level indicators. The important sorting of the first-level indicators is security, comfort, convenience and intelligence, respectively. In the secondary indicator of smart wheelchair design, the guardian has high requirements for the intelligent braking auxiliary system, speed adjustment, intelligent assistance and real -time positioning function that affects security. At the same time, the guardian hopes that the smart wheelchair will have the functions of intelligent sitting position, intelligent health monitoring, intelligent positioning, and real-time power monitoring. In the end, the author designed a smart wheelchair in combination with the research conclusion and design practice, and was designed and applied from intelligent power, intelligent positioning, intelligent monitoring, intelligent security, intelligent voice, APP interface, etc.
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