Battery modeling for energy harvesting system

Rashi Tiwari; Nathan Buch; Ephrahim Garcia

doi:10.1117/12.880676

28 March 2011 Battery modeling for energy harvesting system

Rashi Tiwari, Nathan Buch, Ephrahim Garcia

Proceedings Volume 7976, Electroactive Polymer Actuators and Devices (EAPAD) 2011; 79760D (2011) https://doi.org/10.1117/12.880676
Event: SPIE Smart Structures and Materials + Nondestructive Evaluation and Health Monitoring, 2011, San Diego, California, United States

Abstract

Piezoelectric energy harvester (PEH) has been commonly considered as energy sources for self-reliant systems or wireless sensor nodes. They mainly consist a vibration source, an energy harvesting circuit and a storage device like battery. Currently, PEH suffers from low efficiency energy harvesting circuit and lack of battery model. Most of the energy harvesting circuits exploits switching techniques with inductor, which require peak detection or zero crossing detection. This paper discusses the balance between the harvested energy and the energy costs of the switching. In addition, a battery model is developed to predict the real-time charge on the battery.

Citation Download Citation

Rashi Tiwari, Nathan Buch, and Ephrahim Garcia "Battery modeling for energy harvesting system", Proc. SPIE 7976, Electroactive Polymer Actuators and Devices (EAPAD) 2011, 79760D (28 March 2011); https://doi.org/10.1117/12.880676

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