Results 91 to 100 of about 64,043 (272)

A Cost‐Effective Hybrid Method For Homogeneous Matrix Coating in Matrix‐Assisted Laser Desorption/Ionization Mass Spectrometry Imaging Using Simultaneous Spin and Spray Deposition

open access: yesAnalysis &Sensing, Volume 6, Issue 2, March 2026.
This study introduces an in‐house spin coater for matrix‐assisted laser desorption/ionization mass spectrometry imaging, providing homogeneous matrix deposition via simultaneous spray and spin. The approach yields reproducible signals and clear metabolite distributions in complex tissues.
Lanaia Ítala Louzeiro Maciel   +8 more
wiley   +1 more source

Simulation Research of Brushless Doubly-fed Machines with Different Rotor Structures

open access: yesGong-kuang zidonghua, 2012
Working principle of brushless doubly-fed machine and characteristics of different kinds of rotor structures were introduced, and brushless doubly-fed machines with four kinds of rotor structures were modeled and simulated by Ansoft software including ...
XUE Bing, HU Kun, FAN Bei
doaj  

A back to back multilevel converter for driving low inductance brushless AC machines [PDF]

open access: yes, 2007
Traditionally, multilevel converters are utilised in medium voltage applications, allowing the DC-link voltage to exceed the switch maximum blocking voltage.
Bingham, Chris   +3 more
core   +1 more source

Determination of modeling parameters for a brushless DC motor that satisfies the power performance of an electric vehicle

open access: yesMeasurement and control (London. 1968), 2019
The analysis and control of powertrain systems of electric vehicle, which is an important type of new energy vehicle, have been the focus of extensive research, but determining the motor modeling parameters remains a problem.
Caixia Huang   +3 more
semanticscholar   +1 more source

Analysis of a Novel Brushless Doubly Fed Reluctance Generator Based Wind Energy Conversion System

open access: yesEnergy Science &Engineering, Volume 14, Issue 3, Page 1226-1240, March 2026.
BDFRG based grid connected wind energy conversion system. ABSTRACT This paper presents a grid connected Brushless Doubly‐Fed Reluctance Generator (BDFRG) based wind energy conversion system. It offers a reliable and cost‐effective solution since its brushless and cage‐less rotor structure eliminates the need for slip rings, reducing maintenance costs ...
Subir Datta   +6 more
wiley   +1 more source

Motor/generator and electronic control considerations for energy storage flywheels [PDF]

open access: yes, 1984
A spacecraft electric power supply system is described. Requirements of the system are to accelerate a momentum wheel to a fixed maximum speed when solar energy is available and to maintain a constant voltage on the spacecraft bus under varying loads ...
Nola, F. J.
core   +1 more source

Trajectory Control of Manipulator Robots With Uncertainties: A Saturated Continuous Integral Sliding Mode Approach

open access: yesInternational Journal of Mechanical System Dynamics, Volume 6, Issue 1, Page 106-118, March 2026.
ABSTRACT This study addresses the trajectory tracking control for manipulator robots with uncertainties. The main objective is to ensure that the robot follows a desired trajectory despite the presence of uncertainties/disturbances and considering control input constraints. The approach is developed in the framework of continuous integral sliding modes.
Emanuel Ortiz‐Ortiz   +3 more
wiley   +1 more source

Performance estimation of interior permanent-magnet brushless motors using the voltage-driven flux-MMF diagram [PDF]

open access: yes, 2006
The flux-magnetomotive force (flux-MMF) diagram, or "energy conversion loop," is a powerful tool for computing the parameters of saturated interior permanent-magnet brushless motors, especially when the assumptions underlying classical dq theory are not ...
Cossar, C.   +3 more
core   +1 more source

Optimization in Conceptual Design of a BWB UAV Using an Adaptive Kriging‐Based Surrogate Model

open access: yesEngineering Reports, Volume 8, Issue 2, February 2026.
An adaptive Kriging‐based framework for Blended Wing Body UAV optimization is presented. The exploitation‐oriented strategy yields a 14.5% range improvement, while sensitivity analysis identifies fuel mass as the dominant parameter for efficient conceptual design. ABSTRACT To improve optimization efficiency in the conceptual design of Blended Wing Body
Xinshi Suo   +3 more
wiley   +1 more source

Focal plane transport assembly for the HEAO-B X-ray telescope [PDF]

open access: yes, 1979
The High Energy Astronomy Observatory - Mission B (HEAO-B), an earth orbiting X-ray telescope facility capable of locating and imaging celestial X-ray sources within one second of arc in the celestial sphere, is considered.
Allard, P. D.   +4 more
core   +1 more source

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