IEEE Open Journal of Industry Applications最新文献

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Magnetic Equivalent Circuit for Multistage Axial Flux Surface Permanent Magnet Machines 多级轴向磁通表面永磁电机的磁等效电路
IF 3.8
IEEE Open Journal of Industry Applications Pub Date : 2026-01-01 Epub Date: 2026-02-16 DOI: 10.1109/OJIA.2026.3665408
Matias Jiménez;Federica Graffeo;Silvio Vaschetto;Carlos Madariaga-Cifuentes;Juan A. Tapia;Alberto Tenconi;Andrea Cavagnino
{"title":"Magnetic Equivalent Circuit for Multistage Axial Flux Surface Permanent Magnet Machines","authors":"Matias Jiménez;Federica Graffeo;Silvio Vaschetto;Carlos Madariaga-Cifuentes;Juan A. Tapia;Alberto Tenconi;Andrea Cavagnino","doi":"10.1109/OJIA.2026.3665408","DOIUrl":"https://doi.org/10.1109/OJIA.2026.3665408","url":null,"abstract":"This article presents a magnetic equivalent circuit for the electromagnetic analysis of axial flux permanent magnet synchronous machines. The proposed methodology is based on a quasi-3D approach and incorporates the non-linear iron core behavior, the rotor motion, and magnetic leakage effects. A key strength of the proposed approach is its adaptability to different machine configurations, starting from a single-stage network and extended to multistage topologies with different stator-rotor arrangements. This article also provides a detailed guide to constructing the reluctance network, including simplifications to facilitate adoption by less experienced designers. Validation is performed against both three-dimensional (3-D) finite-element analysis simulations and experimental tests, demonstrating good agreement in key performance metrics, such as magnetic flux density, back electromotive force, and torque. The results validate the performance of the proposed magnetic equivalent circuit in reducing computational time while maintaining satisfactory accuracy, positioning it as a valuable tool for preliminary design and optimization of studies.","PeriodicalId":100629,"journal":{"name":"IEEE Open Journal of Industry Applications","volume":"7 ","pages":"327-337"},"PeriodicalIF":3.8,"publicationDate":"2026-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://ieeexplore.ieee.org/stamp/stamp.jsp?tp=&arnumber=11397463","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"148489175","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Leverage Generative AI for Accurate Modeling and Monitoring System Design of Li-Ion Batteries 利用生成式人工智能进行锂离子电池的精确建模和监测系统设计
IF 3.3
IEEE Open Journal of Industry Applications Pub Date : 2026-01-01 Epub Date: 2026-04-15 DOI: 10.1109/OJIA.2026.3684318
Pierpaolo Dini;Sergio Saponara
{"title":"Leverage Generative AI for Accurate Modeling and Monitoring System Design of Li-Ion Batteries","authors":"Pierpaolo Dini;Sergio Saponara","doi":"10.1109/OJIA.2026.3684318","DOIUrl":"https://doi.org/10.1109/OJIA.2026.3684318","url":null,"abstract":"Reliable battery management in automotive applications requires accurate electro–thermal models and robust state-estimation algorithms. However, experimental datasets capturing the combined effects of temperature, current, and aging are often limited due to cost, duration, and safety constraints. This work proposes a unified physics-informed generative framework for large-format LFP cells, embedding electro–thermal and aging dynamics within a variational autoencoder to generate dynamically consistent synthetic data. The framework reproduces electrical transients, relaxation effects, thermal behavior, and long-term degradation, enabling the identification of temperature-dependent open-circuit voltage characteristics, Thevenin parameters, and compact thermal models. Based on the identified model, a dual monitoring architecture is developed, combining a PI-corrected SOC observer with an adaptive SOH estimator for capacity fade tracking. Numerical results show that the SOC estimation error remains within about 2% over a wide temperature range, with convergence typically achieved within 200 s under dynamic conditions. The SOH estimator accurately tracks both gradual and abrupt degradation over accelerated aging scenarios. The achieved performance is consistent with established extended Kalman filter-based approaches reported in the literature. Overall, the proposed framework enables data augmentation, accurate parameter identification, and reliable SOC–SOH estimation under varying temperature, load, and aging conditions, supporting real-time battery management applications.","PeriodicalId":100629,"journal":{"name":"IEEE Open Journal of Industry Applications","volume":"7 ","pages":"512-536"},"PeriodicalIF":3.3,"publicationDate":"2026-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://ieeexplore.ieee.org/stamp/stamp.jsp?tp=&arnumber=11481770","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"147796027","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Advanced Current-Controlled Generators Models for Electrically Excited Synchronous Machines 电励磁同步电机的先进电流控制发电机模型
IF 3.8
IEEE Open Journal of Industry Applications Pub Date : 2026-01-01 Epub Date: 2026-07-09 DOI: 10.1109/OJIA.2026.3711705
Lorenzo Perilli;Sandro Rubino;Federica Graffeo;Silvio Vaschetto;Alberto Tenconi
{"title":"Advanced Current-Controlled Generators Models for Electrically Excited Synchronous Machines","authors":"Lorenzo Perilli;Sandro Rubino;Federica Graffeo;Silvio Vaschetto;Alberto Tenconi","doi":"10.1109/OJIA.2026.3711705","DOIUrl":"https://doi.org/10.1109/OJIA.2026.3711705","url":null,"abstract":"Electrically excited synchronous machines (EESMs) potentially constitute suitable alternatives to the permanent magnet (PM) counterparts in the context of transportation electrification for the design and manufacturing of sustainable PM-free traction drives. The convenient current regulation enabled by the rotor winding represents the distinguishing feature of the EESMs, allowing the machine performance to be optimized under different operating conditions. Nevertheless, the added complexity introduced by the variable rotor current results in a challenging implementation of high-fidelity dynamic models for numerical simulations. Indeed, the severe magnetic saturation typically exhibited by traction EESMs, including the significant magnetic coupling between the stator and rotor windings, must be accurately taken into account. In this framework, this article proposes advanced EESM models based on a current-controlled generators approach, which allow interdependent simulations of stator and rotor winding dynamics, thus providing enhanced simulation capabilities. Also, multidimensional-map-based formulations are adopted to include the significant saturation nonlinearities, comparing their accuracy and computational burden with the state-of-the-art models. The proposed EESM models have been experimentally validated on a 100 kW commercial EESM sample from an automotive manufacturer, demonstrating their added value in accurately replicating the electromagnetic behavior of the machine in the simulation environment.","PeriodicalId":100629,"journal":{"name":"IEEE Open Journal of Industry Applications","volume":"7 ","pages":"806-824"},"PeriodicalIF":3.8,"publicationDate":"2026-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://ieeexplore.ieee.org/stamp/stamp.jsp?tp=&arnumber=11601070","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"148628066","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Dynamic Pricing With Bi-LSTM Load Forecasting: A Path Towards Grid Stability 基于双lstm负荷预测的动态定价:实现电网稳定的途径
IF 3.8
IEEE Open Journal of Industry Applications Pub Date : 2026-01-01 Epub Date: 2026-02-11 DOI: 10.1109/OJIA.2026.3663645
P. Mondal;S. Sengupta;A Sarkar;A. Roy;C. Sain;Furkan Ahmad;Ameni Boumaiza
{"title":"Dynamic Pricing With Bi-LSTM Load Forecasting: A Path Towards Grid Stability","authors":"P. Mondal;S. Sengupta;A Sarkar;A. Roy;C. Sain;Furkan Ahmad;Ameni Boumaiza","doi":"10.1109/OJIA.2026.3663645","DOIUrl":"https://doi.org/10.1109/OJIA.2026.3663645","url":null,"abstract":"Fluctuations in electricity demand between peak and <sc>off</small>-peak periods create significant challenges for modern power grids, including reduced operational efficiency, decreased reliability, and an increased risk of power outages. Peak demand conditions strain the transmission and distribution systems, while <sc>off</small>-peak underutilization leads to inefficient resource allocation. This study proposes a machine learning–based dynamic subsidy and penalty framework to minimize demand fluctuations and enhance grid stability. Historical electricity consumption data are analyzed to identify peak and <sc>off</small>-peak periods, and machine learning techniques are applied to forecast future demand with improved accuracy. Based on these forecasts, a real-time tariff adjustment scheme is designed, wherein subsidies are introduced during <sc>off</small>-peak hours to encourage higher consumption, and penalties are applied during peak hours to discourage excessive demand. Additionally, the proposed approach is expected to smoothen the load curve, reduce grid stress during peak periods, and improve utilization of infrastructure during the <sc>off</small>-peak periods. By influencing consumer behavior through adaptive pricing, the framework ensures an effective demand-side management strategy that enhances system reliability, stability, and efficiency in smart grid environments compared with existing approaches.","PeriodicalId":100629,"journal":{"name":"IEEE Open Journal of Industry Applications","volume":"7 ","pages":"303-311"},"PeriodicalIF":3.8,"publicationDate":"2026-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://ieeexplore.ieee.org/stamp/stamp.jsp?tp=&arnumber=11392798","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"148490648","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Lightning Surge Evaluation Protection for a Residential Electric Vehicle Charging Station Due to Direct Strikes on an Overhead Distribution System 住宅电动汽车充电站架空配电系统遭雷电冲击评估保护
IF 3.8
IEEE Open Journal of Industry Applications Pub Date : 2026-01-01 Epub Date: 2026-01-30 DOI: 10.1109/OJIA.2026.3659502
Welson Bassi;Danilo Ferreira de Souza;Miguel Angel Ramirez Gil;André Gifalli;André Nunes de Souza
{"title":"Lightning Surge Evaluation Protection for a Residential Electric Vehicle Charging Station Due to Direct Strikes on an Overhead Distribution System","authors":"Welson Bassi;Danilo Ferreira de Souza;Miguel Angel Ramirez Gil;André Gifalli;André Nunes de Souza","doi":"10.1109/OJIA.2026.3659502","DOIUrl":"https://doi.org/10.1109/OJIA.2026.3659502","url":null,"abstract":"The rapid expansion of electric vehicle (EV) usage underscores the need for robust and resilient charging infrastructure, particularly in residential environments. As electronics-based systems, these installations are highly susceptible to transient overvoltages from direct lightning strikes, which may lead to equipment failures—especially in overhead medium-voltage distribution systems. This study assesses the impact of such surges on a residential electric vehicle charging station (EVC) that operates as a mode 3 AC electric vehicle supply equipment, through detailed simulations using the alternative transient program. The modeling incorporates realistic high-frequency characteristics, including a synthesized impedance model of a tested EVC. The analysis investigates the influence of lightning intensity, grounding conditions, protection strategies, and spatial relationships between discharge and EVC locations. The results demonstrate that appropriate SPD placement significantly reduces voltage stress on the EVC, providing its lightning protection. Furthermore, the calculated values of energy dissipation and diverted current through the SPD proved to be compatible with the performance characteristics of a commercially available device previously tested under laboratory conditions. This general approach reinforces the importance of surge protection in enhancing system reliability and ensuring compliance with IEC 61851-1 in residential EV charging infrastructure exposed to lightning transients.","PeriodicalId":100629,"journal":{"name":"IEEE Open Journal of Industry Applications","volume":"7 ","pages":"256-269"},"PeriodicalIF":3.8,"publicationDate":"2026-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://ieeexplore.ieee.org/stamp/stamp.jsp?tp=&arnumber=11368847","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"148490650","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Robust Open-Circuit Fault Diagnosis of PMSMs Using Feature Fusion of Current Signatures With Deep Neural Networks 基于电流特征融合和深度神经网络的永磁同步电动机鲁棒开路故障诊断
IF 3.8
IEEE Open Journal of Industry Applications Pub Date : 2026-01-01 Epub Date: 2026-07-22 DOI: 10.1109/OJIA.2026.3716568
Korawege N. C. Jayasena;Battur Batkhishig;Babak Nahid-Mobarakeh;Ali Emadi
{"title":"Robust Open-Circuit Fault Diagnosis of PMSMs Using Feature Fusion of Current Signatures With Deep Neural Networks","authors":"Korawege N. C. Jayasena;Battur Batkhishig;Babak Nahid-Mobarakeh;Ali Emadi","doi":"10.1109/OJIA.2026.3716568","DOIUrl":"https://doi.org/10.1109/OJIA.2026.3716568","url":null,"abstract":"Permanent magnet synchronous motors (PMSMs) are broadly used in diverse applications due to their inherent advantages. Open-circuit faults (OCFs) are among the major fault classifications in PMSMs, posing significant concerns due to their contribution to torque ripples, vibrations, and efficiency degradation. Therefore, accurate and real-time OCF diagnosis is essential for reliable operation and predictive maintenance practices. This underscores the importance of a robust diagnostic framework that enables early fault detection and localization, supports embedded integration, and requires no additional dedicated sensors. However, existing studies rarely address these requirements together. To overcome these limitations, this article proposes a novel OCF diagnostic framework that fuses features derived from multiple strategies, including wavelet energy-based features, frequency-domain features extracted from current waveforms, and speed measurement data. The extracted feature vector is used as input to a lightweight deep neural network. The proposed approach enhances interpretability and enables seamless embedded integration compared to conventional raw-data-driven machine learning models. In addition, an extended refinement layer is incorporated to enable integrated fault detection and classification for OCF while enhancing diagnostic transparency. The effectiveness of the proposed method is demonstrated through MATLAB/Simulink simulations using the PLECS Blockset and further validated in real-time with an RTBox-based hardware-in-the-loop setup using a C2000 launchpad. Furthermore, experimental validation is conducted using a domain-adaptation strategy based on transfer learning. Performance evaluation confirms diagnostic accuracy exceeding 99% across varying operating conditions. The validation process achieves fault detection within 22% of a fundamental electrical cycle, with fault localization occurring within 40% of an average, demonstrating the robustness and adaptability of the proposed method. A sensitivity analysis of the proposed algorithm’s feature vector validates the effectiveness of high-frequency features. Furthermore, the risk distribution matrix provides insights supporting informed maintenance decisions.","PeriodicalId":100629,"journal":{"name":"IEEE Open Journal of Industry Applications","volume":"7 ","pages":"825-847"},"PeriodicalIF":3.8,"publicationDate":"2026-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://ieeexplore.ieee.org/stamp/stamp.jsp?tp=&arnumber=11618974","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"148747058","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Thermal Analysis of HMCPL Shielding System for High Voltage Power Lines in Confined Environments 高压线路封闭环境中HMCPL屏蔽系统的热分析
IF 3.8
IEEE Open Journal of Industry Applications Pub Date : 2026-01-01 Epub Date: 2026-07-31 DOI: 10.1109/OJIA.2026.3719468
Michele Quercio;Lorenzo Barlassina;Sergio Grasso;Aldo Canova
{"title":"Thermal Analysis of HMCPL Shielding System for High Voltage Power Lines in Confined Environments","authors":"Michele Quercio;Lorenzo Barlassina;Sergio Grasso;Aldo Canova","doi":"10.1109/OJIA.2026.3719468","DOIUrl":"https://doi.org/10.1109/OJIA.2026.3719468","url":null,"abstract":"This article presents a comprehensive thermal analysis of the high magnetic coupling passive loops (HMCPL) shielding system applied to high-voltage (HV) power lines installed in confined underground environments. The study evaluates the thermal behavior of single and double three-phase HV cable configurations, with and without HMCPL shielding, under both nominal (up to 1300 A per phase) and transient overload conditions (up to 2200 A per phase for 2 h). An experimentally validated 3-D thermal model developed in COMSOL Multiphysics is proposed and benchmarked against laboratory measurements on a 1600 <inline-formula><tex-math>$text{mm}^{2}$</tex-math></inline-formula> HV cable in a scaled tunnel, showing a maximum deviation below 1.5 <inline-formula><tex-math>$^circ text{C}$</tex-math></inline-formula> on both conductor and sheath temperatures. The results indicate that the HMCPL system increases conductor temperature by about 13–15 <inline-formula><tex-math>$^circ text{C}$</tex-math></inline-formula> at rated load (e.g., from approximately 69 <inline-formula><tex-math>$^circ text{C}$</tex-math></inline-formula> to 83 <inline-formula><tex-math>$^circ text{C}$</tex-math></inline-formula> in the joint chamber double three-phase circuit configuration) but that the maximum temperatures remain within the limits prescribed by IEC 60287 and manufacturer specifications (90 <inline-formula><tex-math>$^circ text{C}$</tex-math></inline-formula> in steady state and 100 <inline-formula><tex-math>$^circ text{C}$</tex-math></inline-formula> under short-term overload). The main novelties of this work are: 1) the development and experimental validation of a thermal model explicitly tailored to HMCPL-shielded HV cables in confined chambers, 2) the assessment of both single and double three-phase circuit cable layouts including worst-case overload scenarios, and 3) the demonstration that effective magnetic field mitigation via HMCPL can be achieved without compromising thermal compliance and long-term reliability of HV underground installations.","PeriodicalId":100629,"journal":{"name":"IEEE Open Journal of Industry Applications","volume":"7 ","pages":"879-892"},"PeriodicalIF":3.8,"publicationDate":"2026-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://ieeexplore.ieee.org/stamp/stamp.jsp?tp=&arnumber=11636306","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"148747309","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Asymmetric Power Distribution Analysis of Delta-MMC RPC Delta-MMC RPC的非对称功率分布分析
IF 3.8
IEEE Open Journal of Industry Applications Pub Date : 2026-01-01 Epub Date: 2026-07-29 DOI: 10.1109/OJIA.2026.3718456
Hiroaki Kakigano
{"title":"Asymmetric Power Distribution Analysis of Delta-MMC RPC","authors":"Hiroaki Kakigano","doi":"10.1109/OJIA.2026.3718456","DOIUrl":"https://doi.org/10.1109/OJIA.2026.3718456","url":null,"abstract":"AC-electrified railway substations fed through a Scott-T transformer present two single-phase catenary feeders that are 90 degrees apart in phase. Trains operate independently on the two feeders, producing continuous load unbalance and harmonic distortion on the three-phase utility side. This article analyzes a delta-connected modular multilevel converter (MMC) operated as a railway static power conditioner (RPC) for this Scott-T fed system. The principal contribution is a closed-form asymmetric functional decomposition theorem: under the FBD-based compensation reference and the zero-circulating-current design constraint, each arm current decomposes into a linear combination of the M-seat and T-seat harmonic load currents with distinctly asymmetric weights. A corollary of the theorem, the Scott phase law, shows that the 90-degree seat displacement of the Scott-T transformer rotates every odd load-harmonic order to an interseat phase of plus or minus 90 degrees when the two seat rectifiers operate in the same conduction state, pinning the ab-arm share of each odd harmonic at exactly one sixth on this ideal locus, independent of the seat harmonic amplitude ratio, and leaving the bc- and ca-arms to carry the remaining five sixths; on this locus the ab-arm is the strictly smallest harmonic carrier. A seven-point time-domain sweep of the seat-load unbalance confirms the predicted share structure: ab-arm shares of 21 to 22 percent against the one-sixth law value at near-nominal loading, where the measured inter-seat phase lies a few degrees off the ideal locus, and a systematic redistribution, captured by the closed form with the measured load phasors, when the rectifier conduction states differ. A four-block integrated control architecture is also proposed and verified. In PLECS simulation, the proposed control reduces the per-phase source-side current total harmonic distortion from about 28, 24, and 40 percent to the 1 to 2 percent range on each phase. A mini-scale laboratory prototype confirms, at two operating points, that the ab-arm carries the smallest cell-capacitor ripple of the three arms, by a factor of 7 to 11.","PeriodicalId":100629,"journal":{"name":"IEEE Open Journal of Industry Applications","volume":"7 ","pages":"928-948"},"PeriodicalIF":3.8,"publicationDate":"2026-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://ieeexplore.ieee.org/stamp/stamp.jsp?tp=&arnumber=11628067","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"148748127","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Design and Analysis of Brushless Multiphase Synchronous Generator With Dual-Pole Six-Phase Symmetrical Winding 双极六相对称绕组无刷多相同步发电机的设计与分析
IF 3.8
IEEE Open Journal of Industry Applications Pub Date : 2026-01-01 Epub Date: 2026-09-02 DOI: 10.1109/OJIA.2026.3730619
Sagar Kumar Dash;Amit Kumar Mondal;Suman Maiti;Chandan Chakraborty
{"title":"Design and Analysis of Brushless Multiphase Synchronous Generator With Dual-Pole Six-Phase Symmetrical Winding","authors":"Sagar Kumar Dash;Amit Kumar Mondal;Suman Maiti;Chandan Chakraborty","doi":"10.1109/OJIA.2026.3730619","DOIUrl":"https://doi.org/10.1109/OJIA.2026.3730619","url":null,"abstract":"Brushless wound-field synchronous machines (WFSMs) have long been employed in a wide range of applications due to their maintenance-free operation and high reliability. Brushless excitation is typically achieved through the deliberate injection of harmonic or subharmonic currents into the stator winding using specialized converters and complex winding arrangements. Alternative topologies, such as embedded exciter-based synchronous machines, have also been explored, utilizing magnetically decoupled dual windings for excitation. In recent years, multiphase machines have emerged as attractive alternatives to conventional three-phase systems, offering advantages such as lower converter switch ratings, improved fault tolerance, and enhanced reliability. By exploiting additional degrees of freedom, multiphase machines enable independent control of multiple spatial harmonic fields, facilitating rotor excitation and power transfer in WFSMs. Through appropriate stator current control, dual magnetic fields with different pole pairs can be generated and regulated independently, resulting in higher torque density and improved slot and core utilization compared with their three-phase counterparts. Motivated by these advantages, this article presents the analysis and design of a six-phase brushless multiphase synchronous generator. A 2/4-pole configuration is adopted to demonstrate the generation of dual magnetic fields from a single six-phase stator winding. The operating principles and key performance characteristics of the proposed machine are validated through finite-element analysis and experimentally verified using a laboratory-scale prototype.","PeriodicalId":100629,"journal":{"name":"IEEE Open Journal of Industry Applications","volume":"7 ","pages":"1059-1076"},"PeriodicalIF":3.8,"publicationDate":"2026-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://ieeexplore.ieee.org/stamp/stamp.jsp?tp=&arnumber=11676442","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"149033760","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Latency-Tolerant Hamiltonian-Based Energy Control for Interleaved Buck Converters in Wireless Inductive Battery Charging 无线感应电池充电中交错降压变换器容延迟哈密顿能量控制
IF 3.8
IEEE Open Journal of Industry Applications Pub Date : 2026-01-01 Epub Date: 2026-09-28 DOI: 10.1109/OJIA.2026.3738008
Thanet Sriprom;Uthen Kamnarn;Pongsiri Mungporn;Burin Yodwong;Anon Namin;Ehsan Jamshidpour;Serge Pierfederici;Babak Nahid-Mobarakeh;Phatiphat Thounthong
{"title":"Latency-Tolerant Hamiltonian-Based Energy Control for Interleaved Buck Converters in Wireless Inductive Battery Charging","authors":"Thanet Sriprom;Uthen Kamnarn;Pongsiri Mungporn;Burin Yodwong;Anon Namin;Ehsan Jamshidpour;Serge Pierfederici;Babak Nahid-Mobarakeh;Phatiphat Thounthong","doi":"10.1109/OJIA.2026.3738008","DOIUrl":"https://doi.org/10.1109/OJIA.2026.3738008","url":null,"abstract":"This article proposes a latency-tolerant Hamiltonian-based energy control (HEC) strategy for interleaved buck converters in wireless power transfer electric vehicle (EV) battery charging. Integrating Hamiltonian inner-loop current regulation with delay-constrained outer-loop energy-reference generation enables stable constant current constant voltage (CC–CV) charging while suppressing latency-induced oscillations. Lyapunov–Krasovskii and characteristic-root analyses establish a critical delay of approximately 26.4 ms, and simulations confirm stability at the specified 10-ms operating delay. Five Wi-Fi tests using a Raspberry Pi Pico 2 yielded 412 latency measurements ranging from 2.2 to 9.2 ms, with a mean of 6.2 ms and an standard deviation (SD) - based jitter of 1.4 ms. Experiments on a 204 V battery system demonstrated smooth CC–CV transitions, low overshoot, and peak efficiency of 89%. The results validate the proposed HEC framework for latency-constrained wireless charging and support SDG 7 through efficient EV charging.","PeriodicalId":100629,"journal":{"name":"IEEE Open Journal of Industry Applications","volume":"7 ","pages":"1119-1133"},"PeriodicalIF":3.8,"publicationDate":"2026-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://ieeexplore.ieee.org/stamp/stamp.jsp?tp=&arnumber=11711402","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"149133473","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
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