Results 271 to 280 of about 9,602,908 (345)

Circulating and Eddy Current Losses in Coreless Axial Flux PM Machine Stators With PCB Windings

IEEE Transactions on Industry Applications, 2023
Printed circuit board (PCB) stators in coreless axial flux permanent magnet (AFPM) machines have been proposed, designed, and studied for use in multiple industries due to their design flexibility and reduction of manufacturing costs, volume, and weight ...
Donovin D Lewis, Ali Mohammadi, Greg Heins   +2 more
exaly   +2 more sources

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Pre-swirl stators design using a coupled BEM-RANSE approach

Ocean Engineering, 2021
A design method for pre-swirl stators energy saving devices, using a combined BEM-RANSE approach, is proposed. RANSE calculations, using actuator disks, are employed to provide the required thrust and the effective wake to an unsteady Boundary Element ...
Stefano Gaggero
exaly   +2 more sources

Modeling of Current-Driven End-Effect Force Ripple in Air-Cored Linear Synchronous Motor With Multiple Modular Stators

IEEE Transactions on Industrial Electronics, 2023
This article presents a segmented layer model (SLM) for the air-cored linear permanent-magnet synchronous motors (LPMSMs) with multiple modular stators. In the LPMSM with modular stators, the significant current-driven ripples (CDRs) are observed as the ...
Jae Hyun Kim, Sang Won Jung, Yoon Sik Kwon   +2 more
exaly   +2 more sources

Short-circuit fault detection in laminated long stators of high-speed maglev track based on fractal dimension

Measurement: Journal of the International Measurement Confederation, 2021
To resolve the short-circuit fault between the long stator slices of the high-speed maglev track, the manifestation of the traveling leakage magnetic field in the presence or absence of the inter-chip short-circuit fault and the interferences in the ...
Yunzhou Zhang, Yongxiang He
exaly   +2 more sources

Optimization of Three-Dimensional Blade and Variable Stators for Efficiency and Stability Enhancement of Multi-stage Axial Flow Compressor at Variable Speeds

Journal of turbomachinery, 2023
High efficiency and wide stability at variable speeds are equally important to design and operation of multi-stage axial flow compressor. However, published research works on three-dimensional design optimization of compressors are so far mainly ...
Xiawen Zhang, Y. Ju, Zhen Li, Feng Liu, Chuhua Zhang   +4 more
semanticscholar   +1 more source

Design, simulation, and motion characteristics of a novel impact piezoelectric actuator using double stators

Smart materials and structures (Print), 2022
This study presents a novel impact piezoelectric motor that excites double stators through a sinusoidal signal. A sawtooth signal drives the traditional impact piezoelectric actuator, and its working frequency is limited by the resonant frequency.
Qiaosheng Pan, Zhao Mingfei, Ya Wang, Chen Li, Qiangxian Huang, Bin Huang, Rui-jun Li   +6 more
semanticscholar   +1 more source

A ball-type multi-DOF ultrasonic motor with three embedded traveling wave stators

Sensors and Actuators A: Physical, 2020
A novel spherical ultrasonic motor, composed of three built-in stators and a hollow spherical rotor, is developed and tested for the design of a compact multi-degree-of-freedom (multi-DOF) piezoelectric driven actuator.
Zheng Li, Peng Guo
exaly   +2 more sources

A New Hybrid Magnet Dual Stator Field Modulation Machine With Different Split Ratios of Stators

IEEE transactions on magnetics, 2022
A new type of hybrid magnet dual stator field modulation machine with different split ratios of stators (DSR-HMDSFMM) is proposed in this article, which has the merit of high torque density.
Haitao Wang, Heng Zhu, S. Ding, Chao He, Zichen Jin, Ziqiang Wei   +5 more
semanticscholar   +1 more source

Design Optimization and Experimental Study of Coreless Axial-flux PM Machines with Wave Winding PCB Stators

European Conference on Cognitive Ergonomics, 2021
This paper presents a systematic design optimization and experimental study of coreless axial-flux permanent magnet (AFPM) machines with wave winding printed circuit board (PCB) stators.
Peng Han, D. Lawhorn, Yaser Chulaee, Donovin D. Lewis, G. Heins, D. Ionel   +5 more
semanticscholar   +1 more source

Pre-swirl Stator and Propeller/Stator Efficiency

Day 1 Tue, September 17, 1991, 1991
A new method for improving the propeller efficiency due to locating a pre-swirl stator array has been developed by applying linearized lifting surface theory. This method has been applied on general stators and in particular stators of low aspect ratio. The obtained results of the stator 1nduced velocity are in exact agreement with the low aspect ratio
M. M. Gaafary, M. M. Mosaad
openaire   +1 more source