Results 201 to 210 of about 141,846 (263)

Adaptive fractional-order non-singular terminal sliding mode control for omnidirectional quadrotors based on WRBF neural network. [PDF]

PLoS One
Ma R, Gu Q, Ding L, Li Y, Sun C, Wu H.
europepmc   +1 more source

Blueberry exosome‐like nanoparticles extraction guidelines: Comparative methods and standardized operations

Food Biomacromolecules, EarlyView.
Abstract Blueberry‐derived exosome‐like nanoparticles (BENs) hold significant potential for functional foods and biomedical applications. Efficient extraction is crucial for exploiting their benefits. This guideline compares four principal methods based on key operational and performance parameters.
Si‐Yi Li, Bo‐Wen Hu, Nuo Wang, Jin‐Long Tian   +3 more
wiley   +1 more source

Sensorless Direct Field-Oriented Control of Induction Motor Drive Using Artificial Neural Network-Based Reactive Power MRAS. [PDF]

Sensors (Basel)
Kubatko M, Bielesz D, Kirschner S, Hamani K, Kuchar M, Mrovec T, Prazenica M.   +6 more
europepmc   +1 more source

Sensor fault diagnosis strategy based on rotor flux observers in three-phase induction motor drive. [PDF]

Sci Rep
Tran CD, Kuchar M, Sotola V, Nguyen PD.
europepmc   +1 more source

Nonlinear control of quadrotor UAV under rotor failure for robust trajectory tracking. [PDF]

Sci Rep
Simha A, Ambroziak L.
europepmc   +1 more source

Online Multi-Parameter Identification for PMSM Parameter Monitoring Based on a ZOH Model and Dual-Sampling Strategy. [PDF]

Sensors (Basel)
He S, Xiang X, Li H, Li S, Jiang P.
europepmc   +1 more source

Response and Flow Characteristics of an Angular Momentum Flowmeter. [PDF]

Sensors (Basel)
Zan H, Jia Q, Liu C, Liu J, Huang F, Zhou S.   +5 more
europepmc   +1 more source

Texas 2-step: a new model for YcgR::c-di-GMP action at the flagellar motor. [PDF]

J Bacteriol
Bhattarai N, Guo W, Partridge JD, Harshey RM.   +3 more
europepmc   +1 more source

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Diamond rotors

Journal of Magnetic Resonance, 2023
The resolution of magic angle spinning (MAS) nuclear magnetic resonance (NMR) spectra remains bounded by the spinning frequency, which is limited by the material strength of MAS rotors. Since diamond is capable of withstanding 1.5-2.5x greater MAS frequencies, compared to state-of-the art zirconia, we fabricated rotors from single crystal diamond. When
Natalie C, Golota, Zachary P, Fredin, Daniel P, Banks, David, Preiss, Salima, Bahri, Prashant, Patil, William K, Langford, Camron L, Blackburn, Erik, Strand, Brian, Michael, Blake, Dastrup, Keith A, Nelson, Neil, Gershenfeld, Robert, Griffin   +13 more
openaire   +2 more sources

Helicopter Main-Rotor/Tail-Rotor Interaction

Journal of the American Helicopter Society, 2000
Preliminary results from a study to model the interaction aerodynamics and aeroacoustics of the main and tail rotor of a helicopter in subsonic flow are presented. The configurations studied are: 1) two bladed main and tail rotors in hover, and 2) a four-bladed main rotor and two-bladed tail rotor in climbing flight.
Yin, J., Ahmed, S.R.
openaire   +3 more sources