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Autor: María López Carmona
Año: Desde 2002

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A high-speed low-power sun sensor with solar cells and continuous operation
R. Gomez-Merchan, M. López-Carmona, J.A. Leñero-Bardallo and A. Rodríguez-Vázquez
Conference · European Solid-State Circuits Conference ESSCIRC 2021
resumen     

A novel sun sensor concept is presented. Photodiodes operating as solar cells with continuous operation and dedicated logic to calculate the centroid position are integrated to achieve lower latency and energy consumption. The output data flow is remarkably reduced because the centroid of the illuminated pixels is the only sensor output data. It overcomes conventional digital sun sensors based on Active Pixel Sensor (APS) pixels and Address Event Representation (AER) in terms of latency and power consumption. Its latency is in the order of microseconds with an average power consumption lower than 100 uW. Experimental results are provided and benchmarked.

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