MAY 2021 VOLUME 68 NUMBER 5 ITIED6 (ISSN 0278-0046) REGULAR PAPERS Multi-Phase Systems A Capacitor Voltage Balancing Scheme for Single-Source Fed Switch Optimized Three-Phase Nine-Level Inverter ................................................................. T. T. Davis, T. Joseph, and A. Dey 3652 Power and Frequency Regulation of Synchronverters Using a Model Free Neural Network-Based Predictive Controller .................................................... S. Saadatmand, P. Shamsi, and M. Ferdowsi 3662 A Novel Modulated Model Predictive Control Applied to Six-Phase Induction Motor Drives ................... .............................. M. Ayala, J. Doval-Gandoy, J. Rodas, O. Gonzalez, R. Gregor, and M. Rivera 3672 Machines and Drives An On-Board Charger Integrated Power Converter for EV Switched Reluctance Motor Drives ................ ........................................................................................ J. Cai and X. Zhao 3683 Circular Arc Voltage Trajectory Method for Smooth Transition in Induction Motor Field-Weakening Control .... ................................................... X. Zhang, B. Wang, Y. Yu, J. Zhang, J. Dong, and D. Xu 3693 Line-Start Vernier Permanent Magnet Machines ..................... M. Lin, D. Li, X. Ren, X. Han, and R. Qu 3707 Design and Verification of In-Slot Oil-Cooled Tooth Coil Winding PM Machine for Traction Application ........ .................................................................. A. Acquaviva, S. Skoog, and T. Thiringer 3719 A Commutation Error Compensation Strategy for High-Speed Brushless DC Drive Based on Adaline Filter . . . .................................................................. L. Wang, Z. Q. Zhu, H. Bin, and L. Gong 3728 Two-Stage Optimization-Based Model Predictive Control of 5L-ANPC Converter-Fed PMSM Drives .......... ................................................................................ D. Zhou, L. Ding, and Y. Li 3739 Two-Stage Model Predictive Control of Neutral-Point-Clamped Inverter-Fed Permanent-Magnet Synchronous Motor Drives Under Balanced and Unbalanced DC Links ................ D. Zhou, L. Ding, and Y. (Ryan) Li 3750 Synchronous Optimal Pulsewidth Modulation for Synchronous Machines With Highly Operating Point Dependent Magnetic Anisotropy ....................................... A. Birda, J. Reuss, and C. M. Hackl 3760 Open-Phase Fault-Tolerant Predictive Control Strategy for Open-End-Winding Permanent Magnet Synchronous Machines Without Postfault Controller Reconfiguration ...................................... .............................................................. Z. Song, F. Zhou, Y. Yu, R. Zhang, and S. Hu 3770 An Improved Model Predictive Current Control for PMSM Drives Based on Current Track Circle .............. ................................................................. X. Sun, M. Wu, G. Lei, Y. Guo, and J. Zhu 3782 Direct Torque Control for Induction Motors Based on Minimum Voltage Vector Error .......................... ................................................... X. Wu, W. Huang, X. Lin, W. Jiang, Y. Zhao, and S. Zhu 3794 Mitigating Noncirculating Bearing Currents by a Correct Stator Magnetic Circuit and Winding Design ......... ............................................... K. Vostrov, J. Pyrh¨ onen, M. Niemel ¨ a, J. Ahola, and P. Lindh 3805 (Contents Continued on Page 3649)