Selected Papers from ICAMSME 2023

A special issue of Applied Sciences (ISSN 2076-3417). This special issue belongs to the section "Mechanical Engineering".

Deadline for manuscript submissions: closed (15 July 2023) | Viewed by 3904

Special Issue Editors

Associate Professor, Department of Civil and Environmental Engineering, South Dakota State University, Brookings, SD 57007, USA
Interests: image-based seismic vulnerability and resiliency assessment; multihazard simulation of renewable energy structures; structural behavior examination of irregular structures; self-consolidating concrete; structural health monitoring; reliability analysis; load rating estimation of various bridge types; field testing and computational analyses; and lateral live-load distribution factor examination
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Dear Colleagues,

The International Conference on Advanced Materials, Structures and Mechanical Engineering (ICAMSME 2023) will take place at Incheon National University, Incheon, South Korea, March 17-19, 2023. The ICAMSME is an annual conference that presents the current research in the fields of materials, structures, and mechanical engineering. The purpose of the conference is for scientists, scholars, engineers, and students from universities, research institutes, and industries all around the world to present their ongoing research activities.

Special Issue papers can only be accepted through the submission of conference papers. The highest-quality papers from this conference will be subject to a 25% discount. We envisage that this conference will allow for the free exchange of ideas and challenges among participants and encourage future collaborations between members of these groups. The conference will also foster cooperation among organizations and researchers in order to merge fields and provide in-depth technical presentations with abundant opportunities for individual discussions with researchers.

Prof. Dr. Jong Wan Hu
Dr. Junwon Seo
Guest Editors

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Published Papers (1 paper)

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Research

28 pages, 5013 KiB  
Article
Operational Diagnostics System for Asymmetric Emergency Modes in Traction Drives with Direct Torque Control
by Sergey Goolak, Borys Liubarskyi, Vaidas Lukoševičius, Robertas Keršys and Artūras Keršys
Appl. Sci. 2023, 13(9), 5457; https://doi.org/10.3390/app13095457 - 27 Apr 2023
Cited by 4 | Viewed by 774
Abstract
This article presents an analysis of the causes behind the development of asymmetric modes in a traction drive system that features direct torque control (DTC) of a rolling stock with asynchronous traction motors. The development of asymmetric modes in the traction drive system [...] Read more.
This article presents an analysis of the causes behind the development of asymmetric modes in a traction drive system that features direct torque control (DTC) of a rolling stock with asynchronous traction motors. The development of asymmetric modes in the traction drive system was found to be caused by the asymmetry of the supply voltage system, the asymmetry of the traction motor windings, and transient processes triggered by a change in the inverter supply voltage and variation in the traction motor load. At the same time, the asymmetric modes caused by the asymmetry of the feed voltage system and the windings of the traction motor are the emergency modes. The influence of the asymmetry of the feed voltage system and asymmetry of the windings of traction motor on the starting characteristics of the phase currents and flux linkages of the stator in the steady-state mode was investigated. In these cases, the ratio of the amplitudes of phase currents and flux linkages of the stator of different phases was found to be constant. The effect of a variation in the feed voltage and load acting on the motor shaft on the starting characteristics of phase currents and flux linkages of the stator was investigated in the case of absence of the emergency modes. In these cases, the ratio of the amplitudes of phase currents and flux linkages of the stator of different phases was found to not be constant. The amplitudes of the phase current and stator flux linkage were proposed as criteria for diagnosis and identification of asymmetric emergency modes. An algorithm and a structural scheme have been proposed for the diagnosis of emergency asymmetric modes in the traction drive system with direct torque control. Modifications to the traction drive system with direct torque control are suggested in order to diagnose the presence of faulty asymmetric modes and identify the damaged traction drive element. Full article
(This article belongs to the Special Issue Selected Papers from ICAMSME 2023)
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