Design of EKF-based SoC estimator for an ultracapacitor module

Pavković, Danijel and Komljenović, Ante and Hrgetić, Mario and Petrić, Joško and Smetko, Viktor (2015) Design of EKF-based SoC estimator for an ultracapacitor module. = Design of EKF-based SoC estimator for an ultracapacitor module. In: International Conference on Computer as a Tool, IEEE EUROCON 2015, 08-11.09.2015., Salamanca, Španjolska.

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Abstract

This paper presents the design of ultracapacitor module state-of-charge (SoC) estimator based on an Extended Kalman Filter (EKF). A lumped-parameter resistive-capacitive (RC) electrical circuit representation of ultracapacitor module has been used for EKF design, wherein non-linear capacitance effects have been included through SoC-dependent capacitance term, while cell balancing effects were modeled by a second-order disturbance model. The proposed EKF-based SoC estimator has been compared to an LTI model-based Kalman filter as SoC estimator, and verified by means of computer simulations and experimentally on the dedicated ultracapacitor test setup.

Item Type:	Conference or Workshop Item (Lecture)
Keywords (Croatian):	ultracapacitor module, extended Kalman filter, state-of-charge estimation
Subjects:	TECHNICAL SCIENCE > Mechanical Engineering
Divisions:	900 Department of Robotics and Production System Automation > 910 Chair of Engineering Automation
Indexed in Web of Science:	Yes
Indexed in Current Contents:	No
Citations JCR:	0 (13.09.2018.)
Date Deposited:	01 Apr 2016 10:09
Last Modified:	14 Jan 2019 13:38
URI:	http://repozitorij.fsb.hr/id/eprint/5356

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