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Robustness comparis...
Robustness comparison of battery state of charge observers for automotive applications
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- Fridholm, Björn (författare)
- RISE,Viktoria
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- Nilsson, Magnus, 1978 (författare)
- RISE,Viktoria
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- Wik, Torsten, 1968 (författare)
- Chalmers University of Technology, Sweden,Chalmers tekniska högskola
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(creator_code:org_t)
- ISBN 9783902823625
- IFAC Secretariat, 2014
- 2014
- Engelska.
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Ingår i: IFAC Proceedings Volumes (IFAC-PapersOnline). - : IFAC Secretariat. - 1474-6670. - 9783902823625 ; , s. 2138-2146
- Relaterad länk:
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https://urn.kb.se/re...
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visa fler...
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https://doi.org/10.3...
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https://research.cha...
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Abstract
Ämnesord
Stäng
- This paper compares the robustness of three different battery State of Charge (SoC) estimation algorithms: the Extended Kalman Filter (EKF), the Unscented Kalman Filter (UKF) and the H∞ filter. Their performance when subject to disturbances such as parameter uncertainties, different sensor noise characteristics and sensitivity to tuning of the filter are examined. Simulations show that the appropriate choice of observer algorithm will depend on battery chemistry as well as on the intended application. For batteries with a strong correlation between SoC and OCV, the UKF is robust to disturbances such as sensor bias. The H∞ observer shows performance on par with the UKF but the variability of the estimation errors are larger. The EKF is a good all-round choice.
Ämnesord
- TEKNIK OCH TEKNOLOGIER -- Elektroteknik och elektronik -- Reglerteknik (hsv//swe)
- ENGINEERING AND TECHNOLOGY -- Electrical Engineering, Electronic Engineering, Information Engineering -- Control Engineering (hsv//eng)
- TEKNIK OCH TEKNOLOGIER -- Elektroteknik och elektronik -- Signalbehandling (hsv//swe)
- ENGINEERING AND TECHNOLOGY -- Electrical Engineering, Electronic Engineering, Information Engineering -- Signal Processing (hsv//eng)
- TEKNIK OCH TEKNOLOGIER -- Elektroteknik och elektronik -- Annan elektroteknik och elektronik (hsv//swe)
- ENGINEERING AND TECHNOLOGY -- Electrical Engineering, Electronic Engineering, Information Engineering -- Other Electrical Engineering, Electronic Engineering, Information Engineering (hsv//eng)
Nyckelord
- Automotive
- H-infinity
- Hybrid vehicles
- Kalman filters
- Robustness
- State estimation
- Automation
- Bearings (machine parts)
- Charging (batteries)
- Extended Kalman filters
- Robustness (control systems)
- Secondary batteries
- Automotive applications
- Battery chemistries
- Battery state of charge
- Observer algorithms
- Parameter uncertainty
- Unscented Kalman Filter
- Battery management systems
Publikations- och innehållstyp
- ref (ämneskategori)
- kon (ämneskategori)
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