Control-oriented modeling and experimental identification of a VRLA battery

Pavković, Danijel and Komljenović, Ante and Hrgetić, Mario (2013) Control-oriented modeling and experimental identification of a VRLA battery. = Control-oriented modeling and experimental identification of a VRLA battery. In: 17th International Conference on Electrical Drives and Power Electronics, EDPE 2013, 02-04.2013, Dubrovnik, Hrvatska.

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This paper presents the results of experimental characterization of an automotive starting-lighting-ignition (SLI) valve-regulated lead-acid (VRLA) battery aimed at identifying a control-oriented lumped-parameter quasi-static battery model suitable for energy management and state-of-charge (SoC) estimation applications. For the purpose of battery model identification, a custom-built test setup comprising a current-controlled DC/DC converter has been utilized. The recording of the battery charge capacity vs. discharge current identification is based on the constant-current deep discharging tests, while the estimation of the battery equivalent circuit parameters (i.e. open-circuit voltage, polarization voltage and internal resistance) is based on triangular (saw-tooth) battery current profile and Kalman filter utilization. Thus obtained model parameters are then used to build a battery simulation model, which is finally validated against the experimental battery data.

Item Type: Conference or Workshop Item (Lecture)
Keywords (Croatian): VRLA battery, modeling, experimental identification, state-of-charge, Kalman filter, DC/DC converter, current control, simulation
Subjects: TECHNICAL SCIENCE > Mechanical Engineering
Divisions: 900 Department of Robotics and Production System Automation > 910 Chair of Engineering Automation
Indexed in Web of Science: No
Indexed in Current Contents: No
Date Deposited: 01 Apr 2016 10:21
Last Modified: 11 Jan 2019 12:36

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