研究目的
To introduce SmartPatch, a self-powered, small-form-factor, light-weight, low-cost, and patch-type UV meter that provides a scientific measure of UV irradiation on a particular skin area.
研究成果
SmartPatch, utilizing storage-less and converter-less MPPT and a switch-less user interface, accurately measures UV irradiance on specific skin areas, enhancing measurement accuracy and user convenience.
研究不足
The prototype requires further reduction in chip size and removal of redundant logic and IOs for debugging purposes. The design also needs to accommodate more skin and SPF types.
1:Experimental Design and Method Selection:
The design includes a storage-less and converter-less energy harvesting technology and a switch-less user interface.
2:Sample Selection and Data Sources:
UV irradiance is measured on various skin areas in different times of the day.
3:List of Experimental Equipment and Materials:
Includes a PV cell, PMU, control logic, NVRAM, UV sensor, and display.
4:Experimental Procedures and Operational Workflow:
Measures UV irradiance on skin areas of interest, integrates the value over time, and displays the current UVI and remaining UV exposure time.
5:Data Analysis Methods:
The correlation between UV irradiance and solar irradiance is analyzed to detect user interface actions.
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