NDLI: Fuzzy logic-based microbattery controller for MEMS applications

Content Provider	IEEE Xplore Digital Library
Author	Singh, P. Rajagopalan, J. LaFollette, R. Fennie Jr., C. Reisner, D.E.
Copyright Year	2000
Description	Author affiliation: Dept. of Electr. & Comput. Eng., Villanova Univ., PA, USA (Singh, P.)
Abstract	Microelectromechanical (MEMS) sensors often have low power requirements that may be provided by the combination of an energy scavenger (e.g., a solar cell) and a rechargeable microbattery ("battery") made using integrated circuit fabrication methods. While rechargeable microbatteries and solar cells have been previously demonstrated, the development of a microcharge/discharge controller has not. In this paper we present a novel, fuzzy logic-based controller that allows control of the charge/discharge of microbatteries. A breadboard implementation of the controller and its integration with a solar cell and microbattery is presented. The circuit topology of the microbattery controller is based on a buck converter design. During charging, the solar cell's operating point is adjusted by modulating the duty cycle of the buck converter's switching MOSFET using a fuzzy logic control algorithm to optimally charge the microbattery. Charge/discharge data on the microbatteries and current-voltage characteristics of the solar cell are presented and the fuzzy logic model development for the charge control is also presented.
Starting Page	747
Ending Page	751
File Size	408278
Page Count	5
File Format	PDF
ISBN	1563473755
DOI	10.1109/IECEC.2000.870869
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	2000-07-24
Publisher Place	USA
Access Restriction	Subscribed
Rights Holder	AIAA
Subject Keyword	Fuzzy control Fuzzy logic Micromechanical devices Photovoltaic cells Fabrication Circuit topology Buck converters Switching converters MOSFET circuits Optimal control
Content Type	Text
Resource Type	Article

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