PT Unknown AU Kupper, M Funk, C Eckert, M Hohmann, S TI Fractional Extended and Unscented Kalman Filtering for State of Charge Estimation of Lithium-Ion Batteries SE 2018 Annual American Control Conference (ACC), Milwaukee, WI, USA, 27–29 June 2018 PY 2018 BP 3855 EP 3862 DI 10.23919/ACC.2018.8430859 LA english ER