High-Speed Fluctuation Analysis of Silver-Nanoparticle SERS in Solutions
Sign Up to like & getrecommendations! Published in 2024 at "ACS Omega"
DOI: 10.1021/acsomega.4c05817
Abstract: We analyzed the fluctuation of surface-enhanced Raman spectra with a temporal resolution of 25 ms using a conventional electron-multiplying charge-coupled device camera experimental setup. The signal-to-noise ratio of the spectra was improved using density-based spatial… read more here.
Keywords: fluctuation; silver; high speed; analysis ... See more keywords
Research and Application of Regularized Sparse Filtering Model for Intelligent Fault Diagnosis Under Large Speed Fluctuation
Sign Up to like & getrecommendations! Published in 2020 at "IEEE Access"
DOI: 10.1109/access.2020.2975531
Abstract: The speed of mechanical rotating parts often fluctuates during the working process. Vibration signals collected under constant speed have a strong correlation with the corresponding fault types. However, the mapping relationship becomes complex under large… read more here.
Keywords: speed; speed fluctuation; large speed; intelligent fault ... See more keywords
Adaptive Periodic Disturbance Observer Based on Fuzzy Logic Compensation for Speed Fluctuation Suppression of PMSM Under Periodic Loads
Sign Up to like & getrecommendations! Published in 2024 at "IEEE Transactions on Industry Applications"
DOI: 10.1109/tia.2024.3395573
Abstract: The permanent magnet synchronous motor (PMSM) in a single-rotor compressor suffers from speed fluctuations during operation as a result of periodic extreme load disturbances, which leads to serious noise and vibration issues. In this paper,… read more here.
Keywords: disturbance; logic; periodic disturbance; speed fluctuation ... See more keywords
Speed Fluctuation Mitigation Control for Variable Flux Memory Machine During Magnetization State Manipulations
Sign Up to like & getrecommendations! Published in 2022 at "IEEE Transactions on Industrial Electronics"
DOI: 10.1109/tie.2022.3150113
Abstract: This article focuses on the dynamic performance improvement of variable flux memory machine (VFMM), particularly the speed fluctuation mitigation control during magnetization state (MS) manipulations. A model-compensation linear active disturbance rejection (LADR-MC) speed controller is… read more here.
Keywords: machine; speed fluctuation; state; fluctuation mitigation ... See more keywords
Emission Monitoring Dispatching of Drones Under Vessel Speed Fluctuation
Sign Up to like & getrecommendations! Published in 2022 at "IEEE Transactions on Intelligent Transportation Systems"
DOI: 10.1109/tits.2022.3189979
Abstract: How to effectively organize drones to monitor pollutants from vessels is an important operational problem in port management. It is defined as the drone scheduling problem (DSP). The effectiveness of precise algorithms and heuristic algorithms… read more here.
Keywords: speed; speed fluctuation; vessel speed; monitoring ... See more keywords
Nonlinear effect of tooth-slot transition on axial vibration, contact state and speed fluctuation in traveling wave ultrasonic motor
Sign Up to like & getrecommendations! Published in 2018 at "Proceedings of the Institution of Mechanical Engineers, Part C: Journal of Mechanical Engineering Science"
DOI: 10.1177/0954406217736551
Abstract: The tooth-slot transition creates an axial excitation on traveling wave ultrasonic motors. It induces a rotor’s axial rigid vibration, which in turn affects the contact state and arouses speed fluctuation. To gain an insight into… read more here.
Keywords: speed fluctuation; vibration; transition; axial vibration ... See more keywords
Design and implementation of speed fluctuation reduction for a ball screw feed system at low-speed operation
Sign Up to like & getrecommendations! Published in 2020 at "Mechanical Sciences"
DOI: 10.5194/ms-11-163-2020
Abstract: Abstract. In the high-precision servo feed system, when the permanent magnet synchronous motor (PMSM) is operated at low speed in the classical drive feed system (CDFS), the speed fluctuation caused by the motor torque harmonics… read more here.
Keywords: feed system; speed fluctuation; speed; harmonics ... See more keywords