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Fuzzy logic-based learning system and estimation of state of-charge of lead-acid battery

Malkhandi, Souradip (2006) Fuzzy logic-based learning system and estimation of state of-charge of lead-acid battery. In: Engineering Applications Of Artificial Intelligence, 19 (5). pp. 479-485.

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Abstract

The objective of this work is to develop a state-of-charge (SOC) estimation system for the lead-acid battery, which is free from the time-dependent variation of the battery characteristics. In this system, the SOC is estimated by an improved Coulomb metric method, and the time-dependent variation is compensated by using a learning system. The learning system tunes the Coulomb metric method in such a way that the estimation process remains error free from the time-dependent variation. The proposed learning system uses the fuzzy logic, which is not used for estimation of SOC but perform as a component of learning system. The fuzzy logic is used as a soft computing device for a multi-variables function evolution. During learning process the system automatically generates a new fuzzy rule base, and replaces the old fuzzy rule base. Results of the simulations as well as the experiments on an 8-bit microcontroller are also included which indicate the effectiveness of the proposed method.

Item Type: Journal Article
Additional Information: Copyright of this article belongs to Elsavier.
Keywords: Learning system;SOC estimation;Fuzzy logic-based learning system.
Department/Centre: Division of Electrical Sciences > Electronic Systems Engineering (Formerly, (CEDT) Centre for Electronic Design & Technology)
Date Deposited: 24 Mar 2009 09:03
Last Modified: 19 Sep 2010 04:56
URI: http://eprints.iisc.ernet.in/id/eprint/17252

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