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| Content Provider | IEEE Xplore Digital Library |
|---|---|
| Author | Gasnier, P. Willemin, J. Chaillout, J.-J. Condemine, C. Despesse, G. Boisseau, S. Gouvernet, G. Barla, C. |
| Copyright Year | 2012 |
| Description | Author affiliation: Geonaute Research, 4 bd de Mons BP299, 59650 - Villeneuve d'Ascq - France (Gasnier, P.; Gouvernet, G.) || Oxylane Research, 4 bd de Mons BP299, 59650 - Villeneuve d'Ascq - France (Barla, C.) || MINATEC - CEA/LETI, 17 rue des Martyrs, 38054 Grenoble Cedex 9 - France (Willemin, J.; Chaillout, J.-J.; Condemine, C.; Despesse, G.; Boisseau, S.) |
| Abstract | Using harvesting energy to extend Wireless Sensor Nodes (WSN) operating life or even supply them, has become a topic of growing interest over the last decades. This paper presents the architecture of a fully autonomous Integrated Circuit which efficiently harvests energy from low frequency mechanical stresses. This circuit uses a high voltage piezoelectric transducer and provides energy to a storage element (battery or capacitor) at lower voltage (2.8 to 3.4V). We propose an innovative way to extract the electrostatic energy by using a modified Flyback topology and multiple magnetic transfers. Measurements show that our solution increases the energy transfer with a gain of 15% compared to the classical technique. We show that this work improves the efficiencies of both power and control stages. Finally, the control circuit of the Flyback converter will perform a self-starting operation from an empty energy storage element and is currently being designed in AMS0.35 CMOS technology. |
| Starting Page | 377 |
| Ending Page | 380 |
| File Size | 654130 |
| Page Count | 4 |
| File Format | |
| ISBN | 9781467308571 |
| e-ISBN | 9781467308595 |
| e-ISBN | 9781467308588 |
| DOI | 10.1109/NEWCAS.2012.6329035 |
| Language | English |
| Publisher | Institute of Electrical and Electronics Engineers, Inc. (IEEE) |
| Publisher Date | 2012-06-17 |
| Publisher Place | Canada |
| Access Restriction | Subscribed |
| Rights Holder | Institute of Electrical and Electronics Engineers, Inc. (IEEE) |
| Subject Keyword | Discharges (electric) Magnetic circuits Integrated circuits Electrostatics Inductors Topology Control systems Autonomous sensors Energy harvesting Power optimization Piezoelectric materials Integrated circuit |
| Content Type | Text |
| Resource Type | Article |
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