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Implementation of a robust complex extended Kalman filter with LabVIEW for detection in a distorted signal |
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| Authors: | Wen-Bin Lin Huann-Keng Chiang Kuang-Rong Shih Chien-An Chen |
| Affiliation: | 1. Graduate School of Engineering Science and Technology, National Yunlin University of Science and Technology, Yunlin, Taiwan 2. Department of Electrical Engineering, National Yunlin University of Science and Technology, Douliou, Yunlin, 640, Taiwan 3. Department of Electrical Engineering, National Formosa University, Yunlin, Taiwan 4. Electronic Vehicle and System Verification Group R & D Division, Automotive Research and Testing Center, Changhua, Taiwan |
| Abstract: | This article proposes the PC-based LabVIEW as the software to develop the algorithm of the robust complex extended Kalman filter (RCEKF) to detect the parameters of the voltage signal in power systems. The hardware used is a sample-and-hold card and a data acquisition (DAQ) card to extract the data from an outside system to the PC, and the program will compute the amplitude, frequency, and phase of the voltage signal with RCEKF. To validate the performance of RCEKF, the voltage signal from a function generator was applied to check the feasibility of the algorithm. This application was also used in the Taiwan Power Company (TPC) secondary substation in Sijhou, Taiwan. |
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