A Comprehensive Analysis and Modeling of the Self-Powered Synchronous Switching Harvesting Circuit With Electronic Breakers

Abstract : Self-powered realization for synchronous switching circuits is a hot spot for piezoelectric vibration energy harvesting. As a well-known approach, the electronic breaker is widely used for its simplicity and reliability. It plays an important role on the performance of the piezo-electric generator by affecting the available open-circuit voltage and the switching phase lag. In this paper, a comprehensive model is developed for improved performance analysis with missed factors included in comparison with previous investigations. The combined influence of the envelope resistor and the capacitor on both the phase lag and the open-circuit voltage is newly considered while the additional phase lag effect induced by charging the switch parasitic capacitance with the envelope capacitance is supplemented. Experiments and simulations validate the proposed model with better accuracy and the results show that these supplemented factors are important to the generator performance, especially for the micropower energy harvesting with small piezoelectric capacitance or displacement magnitude. Moreover, more detailed design guidelines are deduced from the proposed model. Index Terms-Electronic breaker, piezoelectric energy harvesting, self-powered synchronous switching circuit.
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Weiqun Liu, Adrien Badel, Fabien Formosa, Qiao Zhu, Caiyou Zhao, et al.. A Comprehensive Analysis and Modeling of the Self-Powered Synchronous Switching Harvesting Circuit With Electronic Breakers. IEEE Transactions on Industrial Electronics, Institute of Electrical and Electronics Engineers, 2018, 65 (5), pp.3899 - 3909. ⟨10.1109/tie.2017.2762640⟩. ⟨hal-01901519⟩

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