A study on nonlinear model predictive control for helicopter/turboshaft engine with variable rotor speed based on piecewise objective function
Sign Up to like & getrecommendations! Published in 2020 at "Asian Journal of Control"
DOI: 10.1002/asjc.2448
Abstract: In order to obtain the high‐quality fast response control for helicopter/turboshaft engine with variable rotor speed, a nonlinear model predictive control (NMPC) method based on piecewise objective function is proposed. The piecewise objective function takes… read more here.
Keywords: objective function; speed; variable rotor; rotor speed ... See more keywords
Dynamic characteristics analysis for energy release process of liquid air energy storage system
Sign Up to like & getrecommendations! Published in 2021 at "Renewable Energy"
DOI: 10.1016/j.renene.2021.08.115
Abstract: Abstract In order to further research the dynamic characteristics of liquid air energy storage (LAES) system under typical operating conditions, a dynamic simulation model of energy release process of the 10 MW LAES system is established… read more here.
Keywords: rotor speed; system; energy; rate ... See more keywords
Analysis of Non-Intrusive Rotor Speed Estimation Techniques for Inverter-Fed Induction Motors
Sign Up to like & getrecommendations! Published in 2021 at "IEEE Transactions on Energy Conversion"
DOI: 10.1109/tec.2020.3007409
Abstract: Most non-intrusive induction motor (IM) efficiency estimation methods rely on the machine slip to compute the output power and the efficiency. To achieve the overall non-intrusive nature of the entire process, it is vital to… read more here.
Keywords: non intrusive; rotor speed; estimation; intrusive rotor ... See more keywords
A Novel Synchronous Rectification With Directly Frequency Tracking for Automotive Alternator
Sign Up to like & getrecommendations! Published in 2022 at "IEEE Transactions on Industrial Electronics"
DOI: 10.1109/tie.2021.3065607
Abstract: Few practical products of synchronous rectification (SR) in the automotive alternator has been reported, though the driving technology of SR is abundant. Continuously and statistically changing switch frequency caused by rotor speed poses a significant… read more here.
Keywords: frequency tracking; automotive alternator; directly frequency; rotor speed ... See more keywords
Nonadaptive Rotor Speed Estimation of Induction Machine in an Adaptive Full-Order Observer
Sign Up to like & getrecommendations! Published in 2022 at "IEEE Transactions on Industrial Electronics"
DOI: 10.1109/tie.2021.3066919
Abstract: In the sensorless control system of an induction machine, the rotor speed value is not measured but reconstructed by an observer structure. The rotor speed value can be reconstructed by the classical adaptive law with… read more here.
Keywords: speed; rotor speed; induction machine;
Continuous Fast Terminal Sliding Surface-Based Sensorless Speed Control of PMBLDCM Drive
Sign Up to like & getrecommendations! Published in 2023 at "IEEE Transactions on Industrial Electronics"
DOI: 10.1109/tie.2022.3225850
Abstract: Variable frequency drives (VFDs) have been used for position sensors for many years. Alternatively, reliable VFDs for smart autonomous systems require the simultaneous configuration of sensors and sensorless operation. This article details the design and… read more here.
Keywords: continuous fast; speed; fast terminal; control ... See more keywords
A Simple Yet Parameter-Less and Cost-Effective Rotor Speed-Cum-Position Estimator for Encoder-Free Control of Doubly-Fed Induction Generator
Sign Up to like & getrecommendations! Published in 2023 at "IEEE Transactions on Instrumentation and Measurement"
DOI: 10.1109/tim.2023.3264040
Abstract: A hybrid process for estimating rotor speed and position is proposed for the doubly-fed induction generator (DFIG) in connection with its stator flux-oriented vector control. The improved characteristics of the proposed method are: 1) unlike… read more here.
Keywords: cost effective; induction generator; fed induction; rotor speed ... See more keywords
Histogram of Oriented Gradients for Rotor Speed Estimation in Three-Phase Induction Motors
Sign Up to like & getrecommendations! Published in 2023 at "IEEE Transactions on Instrumentation and Measurement"
DOI: 10.1109/tim.2023.3276530
Abstract: This article presents a novel approach for sensorless speed measurement of induction motors (IMs) using a time-domain stator current analysis. More particularly, we propose the use of histogram of oriented gradients (HOGs), usually applied to… read more here.
Keywords: induction motors; speed; rotor speed; oriented gradients ... See more keywords
Rotor Speed-Free Estimation of the Frequency of the Center of Inertia
Sign Up to like & getrecommendations! Published in 2018 at "IEEE Transactions on Power Systems"
DOI: 10.1109/tpwrs.2017.2750423
Abstract: This letter proposes a formula to estimate the frequency of the center of inertia based exclusively on measures of bus frequencies, obtained, for example, from phasor measurement units, the network admittance matrix, and two parameters… read more here.
Keywords: rotor speed; frequency center; center inertia;
Power-Smoothing Scheme of a DFIG Using the Adaptive Gain Depending on the Rotor Speed and Frequency Deviation
Sign Up to like & getrecommendations! Published in 2017 at "Energies"
DOI: 10.3390/en10040555
Abstract: In an electric power grid that has a high penetration level of wind, the power fluctuation of a large-scale wind power plant (WPP) caused by varying wind speeds deteriorates the system frequency regulation. This paper… read more here.
Keywords: frequency; rotor speed; frequency deviation; power ... See more keywords