Results 11 to 20 of about 12,139 (222)

Power quality enhancement using fractional order type-2 fuzzy SHAF optimized with hPSOFA algorithm [PDF]

Scientific Reports
Reactive Power & Harmonic compensation (RPHC) represents a crucial area of investigation within the domains of power engineering. While passive filters have traditionally been favored for mitigating harmonics, their size becomes impractical when ...
Alok Kumar Mishra, Jeevan Jyoti Mahakud, Sushanta Kumar Kamilla, Lalit Mohan Satapathy, Amaresh Gantayet, Satish Choudhury, Akshaya Kumar Patra   +6 more
doaj   +2 more sources

A New State of Charge Estimation Algorithm for Lithium-Ion Batteries Based on the Fractional Unscented Kalman Filter

Energies, 2017
An accurate state of charge (SOC) estimation is the basis of the Battery Management System (BMS). In this paper, a new estimation method which considers fractional calculus is proposed to estimate the lithium battery state of charge.
Yixing Chen, Deqing Huang, Qiao Zhu, Weiqun Liu, Congzhi Liu, Neng Xiong   +5 more
doaj   +3 more sources

Extended fractional singular kalman filter [PDF]

Applied Mathematics and Computation, 2021
Abstract Effective and accurate state estimation is a staple of modern modeling. On the other hand, nonlinear fractional-order singular (FOS) systems are an attractive modeling tool as well since they can provide accurate descriptions of systems with complex dynamics.
Komeil Nosrati, Juri Belikov, Aleksei Tepljakov, Eduard Petlenkov   +3 more
openaire   +2 more sources

State of Charge Estimation of Lithium-Ion Batteries Based on Fuzzy Fractional-Order Unscented Kalman Filter

Fractal and Fractional, 2021
The covariance matrix of measurement noise is fixed in the Kalman filter algorithm. However, in the process of battery operation, the measurement noise is affected by different charging and discharging conditions and the external environment ...
Liping Chen, Yu Chen, António M. Lopes, Huifang Kong, Ranchao Wu   +4 more
doaj   +1 more source

Research on the State of Charge of Lithium-Ion Battery Based on the Fractional Order Model

Energies, 2021
Accurate estimation of the state of charge (SOC) of lithium batteries is paramount to ensuring consistent battery pack operation. To improve SOC estimation accuracy and suppress colored noise in the system, a fractional order model based on an unscented ...
Lin Su, Guangxu Zhou, Dairong Hu, Yuan Liu, Yunhai Zhu   +4 more
doaj   +1 more source

A Novel Fractional - Order Extended Kalman Filtering Method for on-line Joint State Estimation and Parameter Identification of the High Power Li-ion Batteries

International Journal of Electrochemical Science, 2021
To ensure the reliability and sustainability of the energy storage system, it is important to accurately estimate the state of charge of the battery management system.
Lei Chen, Shunli Wang, Hong Jiang, Carlos Fernandez, Xin Xiong   +4 more
doaj   +1 more source

Lithium Battery SOC Estimation Based on Multi-Innovation Unscented and Fractional Order Square Root Cubature Kalman Filter

Applied Sciences, 2022
Accurate state-of-charge (SOC) estimation of lithium batteries is of great significance for electric vehicles. In this paper, a combined estimation method of multi-innovation unscented Kalman filter (MIUKF) and fractional order square root cubature ...
Likun Xing, Xianyuan Wu, Liuyi Ling, Lu Lu, Liang Qi   +4 more
doaj   +1 more source

Comparison of Ensemble Kalman Filter, Unscented Kalman Filter, and Fractional Kalman Filter for estimating the concentration of CO and NO ₂

Journal of Physics: Conference Series, 2021
Abstract Estimation distribution of air pollution is necessary to determine the level of pollution in a location so it can be used to recommend emission minimization. This research use some modification of Kalman Filter method for estimation distribution of air pollution.
S E Prakosa, D D Lestari, R Dianawati, E Apriliani, D K Arif, I Herisman, M S Akbar   +6 more
openaire   +1 more source

State-of-Charge Estimation of Lithium-Ion Batteries Based on Fractional-Order Square-Root Unscented Kalman Filter

Fractal and Fractional, 2022
The accuracy of the state-of-charge (SOC) estimation of lithium batteries affects the battery life, driving performance, and the safety of electric vehicles.
Liping Chen, Xiaobo Wu, José A. Tenreiro Machado, António M. Lopes, Penghua Li, Xueping Dong   +5 more
doaj   +1 more source

State-of-charge estimation for Lithium-Ion batteries using Kalman filters based on fractional-order models

Connection Science, 2022
The accuracy of state of charge estimation results will directly affect the performance of battery management system. Due to such, we focus in this article on the SOC estimation of Lithium-Ion batteries based on a fractional second-order RC model with ...
Likun Xing, Liuyi Ling, Bing Gong, Menglong Zhang   +3 more
doaj   +1 more source