Thrust enhancement of a flapping airfoil using a non-sinusoidal motion trajectories
Sign Up to like & getrecommendations! Published in 2021 at "Journal of The Brazilian Society of Mechanical Sciences and Engineering"
DOI: 10.1007/s40430-021-02923-8
Abstract: A parametric numerical study is conducted to assess the effect of trajectory nature on the propulsive performances of a NACA0014 flapping airfoil. Sinusoidal and non-sinusoidal plunging and pitching trajectories are combined to achieve sought flapping… read more here.
Keywords: non sinusoidal; flapping airfoil; enhancement flapping; airfoil using ... See more keywords
Sampling Moiré method using non-sinusoidal grating
Sign Up to like & getrecommendations! Published in 2021 at "Optik"
DOI: 10.1016/j.ijleo.2021.166337
Abstract: Abstract An important task in the sampling moire method is phase measurement of a grating image by using the phase of the moire fringe from a single-shot image. In order to reducing the phase errors… read more here.
Keywords: method; non sinusoidal; sampling moir; moir method ... See more keywords
Non-sinusoidal transit timing variations for the exoplanet HAT-P-12b
Sign Up to like & getrecommendations! Published in 2020 at "Research in Astronomy and Astrophysics"
DOI: 10.1088/1674-4527/21/4/97
Abstract: Considering the importance of investigating the transit timing variations (TTVs) of transiting exoplanets, we present a follow-up study of HAT-P-12b. We include six new light curves observed between 2011 and 2015 from three different observatories,… read more here.
Keywords: timing variations; hat 12b; non sinusoidal; transit timing ... See more keywords
The Influence of Non-Sinusoidal Inductance on Saliency-Based Position Estimation for Permanent Magnet Machine
Sign Up to like & getrecommendations! Published in 2022 at "IEEE Access"
DOI: 10.1109/access.2022.3176324
Abstract: This paper analyzes the influence of non-sinusoidal inductance distortion on the saliency-based position estimation for the permanent magnet (PM) machines. Because of the high-power-density design of PM machines, the flux saturation usually causes the inductance… read more here.
Keywords: non sinusoidal; inductance; position estimation; saliency based ... See more keywords
An Online VSI Error Parameter Identification Method for Multiphase IM With Non-Sinusoidal Power Supply
Sign Up to like & getrecommendations! Published in 2022 at "IEEE Access"
DOI: 10.1109/access.2022.3210125
Abstract: Voltage-source-inverter (VSI) nonlinearity compensation is an important scheme for improve motor performance. The traditional off-line method is cumbersome and the compensation effect is poor because it does not simulate the real operation of the motor.… read more here.
Keywords: non sinusoidal; sinusoidal power; identification; power supply ... See more keywords
Research of Harmonic Effects on Core Loss in Soft Magnetic Composite Materials
Sign Up to like & getrecommendations! Published in 2019 at "IEEE Transactions on Magnetics"
DOI: 10.1109/tmag.2018.2869659
Abstract: A magnetic properties measurement system with the frequency-domain feedback control method is developed in this paper. The system can generate non-sinusoidal waveforms consisting of harmonics with variable orders, contents, and phase angles. Core loss measurement… read more here.
Keywords: loss; soft magnetic; core loss; non sinusoidal ... See more keywords
Numerical Study on the Effect of Non-Sinusoidal Motion on the Energy Extraction Performance of Parallel Foils
Sign Up to like & getrecommendations! Published in 2019 at "Applied Sciences"
DOI: 10.3390/app9030384
Abstract: The effect of non-sinusoidal motion which influences the energy extraction performance of foil is considered in this paper. Two oscillation motions, the combined non-sinusoidal plunging and sinusoidal pitching motion, as well as the combined non-sinusoidal… read more here.
Keywords: sinusoidal motion; extraction performance; non sinusoidal; energy ... See more keywords