Acquisition and monitoring system for TEG characterization
- Ando Junior, Oswaldo Hideo
- Izidoro, Cleber Lourenço
- Gomes, Jose Miguel Sousa
- Correia, Jose Higino
- Carmo, João Paulo Pereira do
- Schaeffer, Lirio
DOIAbstract
This paper presents an acquisition system for measuring and characterization of thermoelectric generators (TEGs) for energy harvesting purposes on wireless sensors networks (WSNs). This system can monitor and characterize up to three TEGs simultaneously and is comprised of two main electronic circuits: the first one is composed of 12 input channels being three for reading voltage, three for reading current by making use of instrumentation amplifiers (ACS712), and six thermocouples for signal reading (<400∘C). The second electronic circuit consists of a proportional-integral-derivative (PID) controller with two pulse width modulation (PWM) input channels for controlling the heat (thermoresistance) and cooling (controlled cooler) sources, res...
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