Results 151 to 160 of about 131,284 (306)
Aeroacoustic analysis of main rotor and tail rotor interaction [PDF]
, 2008 The increased restrictions placed on helicopter noise levels over recent decades have encouraged manufacturers to better understand tail rotor noise and its aerodynamic sources.
Fletcher, Timothy M. +5 more
core
Advances in BODIPY Derivatives for Antibacterial Phototherapy
Angewandte Chemie, EarlyView.This review systematically summarizes the design strategies and structure‐activity relationships of BODIPY‐based antibacterial phototherapy, covering molecular engineering of small‐molecule photosensitizers and nanoplatforms, bacterial targeting and carrier design, and discussing the challenges and future perspectives associated with clinical ...
Li Lv +9 more
wiley +2 more sources
Optimization of Flexible Rotor for Ultrasonic Motor Based on Response Surface and Genetic Algorithm
MicromachinesThe flexible rotor, as a crucial component of the traveling wave rotary ultrasonic motor, effectively reduces radial friction. However, issues such as uneven contact between the stator and rotor, as well as rotor-deformation-induced stress, still persist.
Bo Chen +4 more
doaj +1 more source
Human‐in‐the‐Loop Object Segmentation for 3D Gaussian Splatting via Finger‐based VR Interface
Advanced Intelligent Systems, EarlyView.This study introduces a human‐in‐the‐loop segmentation framework for 3D Gaussian Splatting that integrates real‐time optimization with intuitive VR‐based finger prompting. Compared with existing automatic, learning‐based methods, it achieves significantly higher accuracy and reduced segmentation time.
Yongseok Lee +5 more
wiley +1 more source
Omnidirectional Shape Proprioception for Untethered Shape Memory Alloy‐Driven Soft Robotic Arms
Advanced Intelligent Systems, EarlyView.A lightweight, modular soft robotic arm employs SMA actuation and a multi‐Hall‐magnet sensing system to achieve accurate omnidirectional shape proprioception. Each 35 g segment enables scalable assembly, while robust proprioception supports versatile navigation and manipulation in complex, unstructured environments.
Yiming Ouyang +7 more
wiley +1 more source
Novel permanent magnet brushless machines having segmented Halbach array [PDF]
, 2013 Permanent magnet brushless machines having Halbach array exhibit a number of attractive features. Therefore, they have been increasingly applied to different market sectors, including aerospace, industrial, domestic, renewable, and healthcare, etc.
Shen, Yang
core
A Novel MRAS Based Estimator for Speed-Sensorless Induction Motor Drive
Iranian Journal of Electrical and Electronic Engineering, 2014 In this paper, a novel stator current based Model Reference Adaptive System (MRAS) estimator for speed estimation in the speed-sensorless vector controlled induction motor drives is presented.
S. M. Mousavi Gazafroodi, A. Dashti
doaj
Investigation of Rotor-Stator Interaction in Turbomachinery
, 2004 In modern turbo machines such as aircraft jet engines, contact between the casing and bladed disks may occur through a variety of mechanisms: coincidence of vibration modes, thermal deformation of the casing, rotor imbalance, etc. These nonlinear interactions may result in severe damage to both structures and it is important to understand the physical ...
Legrand, Mathias +2 more
openaire +1 more source
ActuatorsThe high-performance aeroengine operates under extreme loads. In engineering practice, the vibration problems caused by stator vibrations have become increasingly prominent, with impacts on the rotor dynamic behavior.
Yongbo Ma +5 more
doaj +1 more source
Analysis on the Influence of Swelling on Interference of Stator and Rotor of Progressing Cavity Pump
Shiyou jixie, 2018 In downhole environment, the conventional oil progressing cavity pump may experience uneven deformation of stator rubber owing to swelling, which is an indispensable factor in stator and rotor design.
Zhang Qiang +4 more
doaj