Performance Evaluation of Energy Harvesting Method on Intelligent Wearable Travel Aid Device for Blind Person

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The intelligent wearable travel aid device has been developed for blind person usage for traveling purposes. The intelligent wearable travel aid device will be used along with the long cane that is usually used to detect any obstructions around the blind person. However, the problem on power supply to supply the electrical energy for the intelligent wearable travel aid device to work properly always been occurred. In order to fit the energy harvesting device on the intelligent wearable travel aid device, the comparison of the solar panel and photodiode is done. The performance evaluation to compare theenergy harvesting method on the developed intelligent wearable travel aid device for blind person has been conductedbased on the experiment result. The photodiode is proposed in this study due to small size and easy to arrange on top of developed wearable travel aid device compared to the solar panel which big size but commonly used as energy harvesting device. Consequently, the experimental result of the intelligent wearable travel aid device in terms of voltage, current and light intensity for the improved version with different type of configuration is proven respectively.

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