Results 11 to 20 of about 122,000 (259)

Rotor Misalignment Detection using a Wireless Sensor and a Shaft Encoder [PDF]

open access: yes, 2010
Mechanical systems such as motors, pumps, engines, and turbine are all operating based on different shafts. Due to unexpected operating conditions, various faults such as cross-sectional cracks, looseness and misalignment may occur during their service ...
Gu, Fengshou, Ball, Andrew, Arebi, Lufti
core   +5 more sources

The Detection of Shaft Misalignments using Motor Current Signals from a Sensorless Variable Speed Drive [PDF]

open access: yes, 2015
Shaft misalignments are common problems in rotating machines which cause additional dynamic and static loads, and vibrations in the system, leading to early damages and energy loss.
Gu, Fengshou   +4 more
core   +4 more sources

Study of Rotation and Bending Effects on a Flexible Hybrid Implanted Power Transfer and Wireless Antenna System

open access: yesSensors, 2020
We present rotational misalignment and bending effects on a hybrid system to transfer power and data wirelessly for an implantable device. The proposed system consists of a high-frequency coil (13.56 MHz) to transfer power and an ultra-high frequency ...
Reem Shadid   +2 more
doaj   +1 more source

Grey-Fuzzy Hybrid Optimization for Thermohydrodynamic Performance Prediction of Misaligned Rough Elliptic Bore Journal Bearing

open access: yesLubricants, 2022
Rough elliptic bore misaligned journal bearing performance involves many geometric and operational parameters, which directly or indirectly affect the thermohydrodynamic performance output.
Sushanta Kumar Pradhan   +2 more
doaj   +1 more source

Hierarchical Feature Aggregation from Body Parts for Misalignment Robust Person Re-Identification

open access: yesApplied Sciences, 2019
In this work, we focus on the misalignment problem in person re-identification. Human body parts commonly contain discriminative local representations relevant with identity recognition.
Yuting Liu, Hongyu Yang, Qijun Zhao
doaj   +1 more source

High Efficiency Multiscale Wireless Power Transfer System Using Metasurface Slabs

open access: yesIEEE Access, 2022
In this work, a highly efficient metasurface-based multi-scale wireless power transfer (MSWPT) system is presented. The MSWPT is designed to work as a near-field WPT at 6.78 MHz (AirFuel Alliance standard frequency) and far-field WPT at 433 MHz (ISM band
Woosol Lee, Yong-Kyu Yoon
doaj   +1 more source

Real Effective Exchange Rate Misalignment of the Tunisian dinar [PDF]

open access: yesRomanian Economic Journal, 2021
In the Tunisian context, the issue of the misalignment of the real exchange rate has arisen for some time for some reason, a question that has intensified after the adoption of the floating regime.
Bouzid Amaira
doaj   +1 more source

A comparative study of misalignment detection using a novel Wireless Sensor with conventional Wired Sensors [PDF]

open access: yes, 2012
The advancement in low cost and low power MEMS sensors makes it possible to develop a cost-effective wireless accelerometer for condition monitoring. Especially, the MEMS accelerometer can be mounted directly on a rotating shaft, which has the potential ...
Gu, Fengshou   +5 more
core   +1 more source

Development of the Correction Algorithm to Limit the Deformation of Bacterial Colonies Diffraction Patterns Caused by Misalignment and Its Impact on the Bacteria Identification in the Proposed Optical Biosensor

open access: yesSensors, 2020
Recently proposed methods of bacteria identification in optical biosensors based on the phenomenon of light diffraction on macro-colonies offer over 98% classification accuracy.
Igor Buzalewicz   +4 more
doaj   +1 more source

Numerical simulation of the effect of angular misalignment on the dynamic behaviour of bearing [PDF]

open access: yesMATEC Web of Conferences, 2022
Bearing has been used extensively in numerous applications and their unplanned failure has a consequential effect on the smooth operation of the machinery.
Mashiyane Themba   +2 more
doaj   +1 more source

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