Results 21 to 30 of about 3,234,483 (284)
Analysis of an On-Line Stability Monitoring Approach for DC Microgrid Power Converters [PDF]
, 2019 An online approach to evaluate and monitor the stability margins of dc microgrid power converters is presented in this paper. The discussed online stability monitoring technique is based on the Middlebrook's loop-gain measurement technique, adapted to ...
Caldognetto, Tommaso +4 more
core +1 more source
Nanomaterials, 2019 In this article, a short-time hydrothermal method is developed to prepare CuBi2O4 nanocolumn arrays. By using Bi(NO3)3·5H2O in acetic acid and Cu(NO3)2·3H2O in ethanol as precursor solutions, tetragonal CuBi2O4 with good visible light absorption can be ...
Yi Wang +5 more
doaj +1 more source
Research on On-Line Detection Method and System for Nitrate in Groundwater
Applied Sciences, 2023 In order to monitor the concentration of nitrate in groundwater and evaluate water quality, a specialized sensor has been developed to solve the problems of the passivation effect, short life and poor repeatability of electrodes in conventional ...
Rong Xiong, Yang Li, Zhenxing Ren
doaj +1 more source
An On-line Diagnostic Method for Open-circuit Switch Faults in NPC Multilevel Converters [PDF]
, 2016 On-line condition monitoring is of paramount importance for multilevel converters used in safety-critical applications. A novel on-line diagnostic method for detecting open-circuit switch faults in neutral-point-clamped (NPC) multilevel converters is ...
Demerdash, Nabeel, He, Jiangbiao
core +2 more sources
Monitoring and Pay: An Experiment on Employee Performance under Endogenous Supervision [PDF]
, 2011 We present an experimental test of a shirking model where monitoring intensity is endogenous and effort a continuous variable. Wage level, monitoring intensity and consequently the desired enforceable effort level are jointly determined by the ...
A Falk +40 more
core +2 more sources
Shock and Vibration, 2021 Galloping of an iced transmission line subjected to a moderating airflow has been analysed in this study, and a new form of galloping is discovered both theoretically and experimentally.
Bing Huo +3 more
doaj +1 more source
Fast and simple one-way Quantum Key Distribution [PDF]
, 2005 We present and demonstrate a new protocol for practical quantum cryptography, tailored for an implementation with weak coherent pulses to obtain a high key generation rate. The key is obtained by a simple time-of-arrival measurement on the data line; the
Damien Stucki +5 more
core +2 more sources
On-line Oil Monitoring and Diagnosis
Strojniški vestnik – Journal of Mechanical Engineering, 2013 In condition monitoring (CM) of mechanical drives, the analysis of various physical and chemical properties of the operating lubricant can be used to diagnose defects and assess the state of the system. Recent developments in on-line oil condition sensors and advances in signal processing methods have allowed for a system for on-line oil analysis to be
Dolenc, Boštjan +4 more
openaire +2 more sources
An appearance defect detection method for pre-fried potato chips based on EISW-YOLOv8n
Shipin yu jixieObjectiveTo address the low speed and efficiency as well as missed and false detection in manual inspection of defective products in pre-fried potato chip production, enhance the accuracy and speed of product defect identification, and ensure safe ...
LI Jianjia +3 more
doaj +1 more source
Fractal-based autonomous partial discharge pattern recognition method for MV motors [PDF]
, 2018 On-line partial discharge (PD) monitoring is being increasingly adopted to improve the asset management and maintenance of medium-voltage (MV) motors. This study presents a novel method for autonomous analysis and classification of motor PD patterns in ...
Cacciari M. +15 more
core +2 more sources