Results 71 to 80 of about 19,789,615 (289)

Design of an adaptive PI speed controller for FOC-driven underwater thrusters

Brodogradnja
Underwater thrusters are the primary actuators in marine vehicles. The thruster drive and control methods for these thrusters considerably influence their dynamic response, accuracy, and efficiency.
Kaicheng Shen, Caoyang Yu, Jinrong Zheng, He Zhang, Xianbo Xiang, Lian Lian   +5 more
doaj   +1 more source

Analysis of control-oriented wake modeling tools using lidar field results [PDF]

Wind Energy Science, 2018
The objective of this paper is to compare field data from a scanning lidar mounted on a turbine to control-oriented wind turbine wake models. The measurements were taken from the turbine nacelle looking downstream at the turbine wake.
J. Annoni, P. Fleming, A. Scholbrock, J. Roadman, S. Dana, C. Adcock, F. Porte-Agel, S. Raach, F. Haizmann, D. Schlipf   +9 more
doaj   +1 more source

Constrained field-oriented control of permanent magnet synchronous machine with field-weakening utilizing a reference governor [PDF]

, 2017
This paper presents a complete solution for constrained control of a permanent magnet synchronous machine. It utilizes field-oriented control with proportional-integral current controllers tuned to obtain a fast transient response and zero steady-state ...
Damir Žarko, Jadranko Matuško, Ileš, Šandor, Žarko, Damir, Tino Jerčić, Jerčić, Tino, Šandor Ileš, Matuško, Jadranko   +7 more
core   +1 more source

Implementation of a Field-Oriented Control Strategy for Electromagnetic Shock Absorbers

, 2022
Chassis electrification is paramount in the automotive transition towards emission reduction and automated driving. In this context, electromagnetic shock absorbers are regarded as a promising technology for chassis control.
Tonoli, Andrea, Galluzzi, Renato, Circosta, Salvatore, Sorrentino, Gennaro, Amati, Nicola   +4 more
core   +1 more source

Cryogenic Deformation Behavior of TiAl and Insights Into Embrittlement After High‐Temperature Exposure Combined With Secondary Ion Mass Spectroscopy of Near Surface Chemistry

Advanced Engineering Materials, EarlyView.
Near‐surface deuterium enrichment profiles for different microstructural types of TiAl after exposure at 700 °C in a heavy water‐containing environment. The deuterium levels are significantly higher than expected from natural occurrence, indicating that the heavy water dissociated during the exposure treatment and entered the specimens.
Jonathan D. H. Paul, Alexander Welle, Dirk Matthiessen, Michael Oehring, Fritz Appel, Florian Pyczak   +5 more
wiley   +1 more source

Digital Implementation Issues on High Speed Permanent Magnet Machine FOC Drive Under Insufficient Sample Frequency

IEEE Access, 2019
This paper investigates digital implementation issues on high-speed permanent magnet (PM) machine drives. The machine operating speed is designed beyond 30krpm where the ratio of controller sample frequency over rotor fsample operating frequency fe is ...
Shih-Chin Yang, Yu-Liang Hsu, Po-Huan Chou, Jyun-You Chen, Guan-Ren Chen   +4 more
doaj   +1 more source

Minimum-time minimum-loss speed control of induction motors under field-oriented control

, 1997
A new minimum-time minimum-loss speed control algorithm for induction motors is suggested to obtain high performance, as well as high efficiency, under field-oriented control with practical constraints on voltage and current.
Kim, Byung-Kook
core   +1 more source

Elastic–Plastic Modeling and Experimental Characterization of Granular Jamming Actuators

Advanced Engineering Materials, EarlyView.
Granular jamming enables rapid switching between soft and rigid mechanical states. Here, a reduced‐order elastic‐perfectly‐plastic beam framework captures pressure‐dependent loading, unloading, residual deformation, and hysteresis in jammed beams, while matching three‐point bending experiments across materials and geometries. The framework links design
Saheli Patel, Prashant K. Purohit, Jordan R. Raney   +2 more
wiley   +1 more source

A constriction-based PSO method with an enhanced cost function for PI optimization in FOC speed controllers

Results in Engineering
The performance of Field-Oriented Control (FOC)-based PMSM speed control is greatly influenced by the quality of PI parameter tuning. However, conventional approaches such as Ziegler-Nichols or trial-and-error often result in high overshoot and ...
Rakhmat Agung Ramadhani, Ika Noer Syamsiana, Arwin Datumaya Wahyudi Sumari   +2 more
doaj   +1 more source

Impact of the Process Atmosphere During Hot Isostatic Pressing on the Near‐Surface Composition of an Additively Manufactured Austenitic High‐Interstitial Steel

Advanced Engineering Materials, EarlyView.
A high interstital austenitic steel is additively manufactured and postdensified by HIP to eliminate gas porosity. Thereby, the loss of N and Mn in Ar HIP atmosphere is investigated. Further, HIP using N2 atmosphere is investigated which led to excessive nitride formation.
F. Großwendt, J. Hahn, J. Kimm, S. Weber, J. Lentz   +4 more
wiley   +1 more source