| Summary: | 碩士 === 大同大學 === 工業設計學系(所) === 95 === Taiwan is situated in the subtropical zone with high temperatures and humidities. Urbanization as a result of economic development in recent years accelerated the heat island effect and made air conditioners indispensable to the living environment around Taiwan. Due to a lack of appropriate information feedback, the visually impaired often experience difficulties in learning how to operate the remote for air conditioner. This study focuses on the visually impaired and examines current interface on remote control for air conditioner. It first conducts current use analysis and questionnaire survey exploring the actual need of the visually impaired in using the remote control and the problems they encounter. Through analysis and induction, it identifies the following 4 problems: poor information transmission, low judgment accuracy of users, inability to access information through the press buttons, and learning and memory difficulty. This purpose of this study is to delve into the problems arising from operation of the remote control for air conditioner and design a new one that is easy to use for the visually impaired.
The scope of the questionnaire survey is limited to 6 functions: power, temperature, wind speed, wind direction, time setup and sleep. Based on the problems identified via the survey, 2-4 improvement proposals are prepared for each function, and the experiment prototypes are made. To identify the optimal proposal combination, the following 3 experiments are conducted: individual function pattern verification experiment, function layoyt ranking experiment, Braille installation position experiment. Outcomes of cross comparison confirm the combination proposal for final testing. Task-oriented questionnaire testing is conducted on comparison between current and new design remote control to verify the accuracy and actual effect.
The task-oriented questionnaire is divided into 3 task: press button function recognition, current status access, operational task testing. The new design and current design are compared in terms of location search accuracy, operational method accuracy and inquiry rate. The outcome indicates the new design rectifies poor information transmission; in comparison the current design the judgment accuracy has been significantly enhanced; through the addition of Braille and relief icons the functions of the press buttons can be easily accessed; learning and memory also show improvement. The findings of this study can serve as reference for design and study of home appliances for the visually impaired.
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