Thermoelectric harvesting for an autonomous self-powered temperature sensor in small satellites
Jorge Machin Llanos (Student TU Delft)
Jasper Bouwmeester (TU Delft - Space Systems Egineering)
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Abstract
There are several benefits of using autonomous sensors in spacecraft. Avoidance of wired connections reduces cost, mass, and increases the flexibility and reliability of the system. The impact of wire reduction can be significant, especially for small satellites with many sensors, like temperature and sun sensors. Previous research has already focused on wireless intra- spacecraft communications. This research tests the self-powering capabilities of a systembased on a COTS thermoelectric generator connected to a Bluetooth Low Energy communication system, with a built-in controller and temperature sensor, and a power management interface. The system will be considered as a candidate for an autonomous temperature sensor in a future PocketQube mission of Delft University of Technology.
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