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Emami, Zahra, Halvaei Niasar, Abolfazl. (1404). Torque Ripple Reduction and Fault Tolerant Control of Non-Sinusoidal DTP-PMBLM Fed by Two DC3L Inverters using Model Predictive Control. فناوری آموزش, (), -. doi: 10.22061/jecei.2025.11739.841
Zahra Emami; Abolfazl Halvaei Niasar. "Torque Ripple Reduction and Fault Tolerant Control of Non-Sinusoidal DTP-PMBLM Fed by Two DC3L Inverters using Model Predictive Control". فناوری آموزش, , , 1404, -. doi: 10.22061/jecei.2025.11739.841
Emami, Zahra, Halvaei Niasar, Abolfazl. (1404). 'Torque Ripple Reduction and Fault Tolerant Control of Non-Sinusoidal DTP-PMBLM Fed by Two DC3L Inverters using Model Predictive Control', فناوری آموزش, (), pp. -. doi: 10.22061/jecei.2025.11739.841
Emami, Zahra, Halvaei Niasar, Abolfazl. Torque Ripple Reduction and Fault Tolerant Control of Non-Sinusoidal DTP-PMBLM Fed by Two DC3L Inverters using Model Predictive Control. فناوری آموزش, 1404; (): -. doi: 10.22061/jecei.2025.11739.841

Torque Ripple Reduction and Fault Tolerant Control of Non-Sinusoidal DTP-PMBLM Fed by Two DC3L Inverters using Model Predictive Control

Journal of Electrical and Computer Engineering Innovations (JECEI)
مقالات آماده انتشار، پذیرفته شده، انتشار آنلاین از تاریخ 21 مهر 1404
نوع مقاله: Original Research Paper
شناسه دیجیتال (DOI): 10.22061/jecei.2025.11739.841
نویسندگان
Zahra Emami؛ Abolfazl Halvaei Niasar*
Faculty of Electrical and Computer Engineering, University of Kashan, Kashan, Iran.
تاریخ دریافت: 15 خرداد 1404،  تاریخ بازنگری: 29 شهریور 1404،  تاریخ پذیرش: 05 مهر 1404 
چکیده
Background and Objectives: Multiphase electric motors are useful for industrial and military applications that need high power, smooth torque and the ability sharing power and torque in comparison to conventional three-phase electric motors. Also, these motors a more suitable substitute than three-phase motors because of their ability to manage fault condition, guaranteeing the postfault operation of the drive. One type of Multiphase electric machines is Permanent Magnet Brushless Motors (PMBLM) that due to the inevitable limitations in their construction, back-EMF voltages are neither sinusoidal nor trapezoidal. Using traditional control strategies of and Brushless DC Motors (BLDCM) and Permanent Magnet Synchronous Motors (PMSM) results high electromagnetic torque ripple, vibrations and noises that are undesirable for medium voltage applications.
Methods: This paper suggests a new finite control set model predictive control (FCS-MPC) method for two diode-clamped three-level (DC3L) inverters fed non-sinusoidal dual three phase PMBLM (DTP-PMBLM) with the capability to manage pre-fault conditions for reduction torque ripple and withstand postfault situations. The suggested MPC method removes requirement of weighting factor in the cost function for neutral point voltages in both DC3L inverters with a simple scheme balancing of capacitive voltages. Also, the fault tolerant control (FTC) schemes open phase fault and open switch fault are considered.
Results: To study the effectiveness of the suggested MPC method, simulation results non-sinusoidal DTP-PMBLM drive are investigated and compared to with multiband hysteresis current (MHC) controller. Simulations have been carried out using MATLAB/Simulink with specifications 4125-V/2.7MW/350-RPM.
Conclusion: Simulation results validate that the suggested MPC method has great dynamic responses such as lower torque ripple than the MHC controller. The FTC schemes are implemented without complexity changing the mathematical model and control framework.
کلیدواژه‌ها
Non Sinusoidal DTP-PMBLM؛ Model Predictive Control (MPC)؛ Diode-clamped Three-level (DC3L) Inverter؛ Multi-band Hysteresis Current (MHC) Controller؛ Fault-tolerant Control (FTC)
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