NDLI: Dynamic Phasor Estimates Under the Bellman's Principle of Optimality: The Taylor-LQG-Fourier Filters

Content Provider	IEEE Xplore Digital Library
Author	Sanchez-Gomez, L.F. de la O. Serna, J.A.
Copyright Year	1963
Abstract	Recently Taylor^K-Kalman-Fourier filters were proposed for estimating dynamic phasors to provide instantaneous estimates and drastically reduce the total vector error by a factor of 10. However, they exhibit resonant frequencies at the edges of the pass band, and high-interharmonic gains. In this paper, the optimal linear quadratic (LQ) control is applied to design feedback filters referred to as Taylor^K-LQG-Fourier filters. This method reduces the interharmonic gains and the resonant frequency at the passband edges of the Taylor^K-Kalman-Fourier filter. The estimates from oscillating signals obtained through this optimal technique are quasi-instantaneous, and provide estimates of the instantaneous frequency, and its rate of change, preserving its synchrony with the signal for control applications. The effectiveness of the proposed algorithm is verified through simulations and experimental results.
Sponsorship	IEEE Instrumentation and Measurement Society Bureau international des poids et mesures IEEE International Bureau of Weights and Measures (BIPM) URSI NBS Agency Ind. Sci. & Technol., Min. Int. Trade & Ind. Sci. Council Japan International Union of Pure and Applied Physics (IUPAP) NIST NRCC National Conference of Standards Laboratories (NCSL) Allen Osborne Associates Andeen-Hagerling, Inc. Ballantine Lab. Inc. Clarke-Hess Communications Research Corp. Fluke Corporation Guildline Instruments Hewlett-Packard Co. Julie Res. Lab. Inc. Keithley Instruments, Inc. Measurements International Ltd. Canada QuadTech Inc. Quantum Design Inc. Rotek Instrum. Corp. Tegam Inc. Tektronix Inc
Starting Page	3137
Ending Page	3147
Page Count	11
File Size	23406877
File Format	PDF
ISSN	00189456
Volume Number	62
Issue Number	12
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	2013-01-01
Publisher Place	U.S.A.
Access Restriction	One Nation One Subscription (ONOS)
Rights Holder	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Subject Keyword	Kalman filters Optimal control Power system control Filtering algorithms phasor estimate Kalman filter linear-quadratic control linear-quadratic-Gaussian controller optimal control oscillating phasor
Content Type	Text
Resource Type	Article
Subject	Instrumentation Electrical and Electronic Engineering

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