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Model Based Predictive Current Control (MBPCC) techniques have been recently proposed as a viable control method for Voltage Source Converters (VSCs). Predictive torque and current control of electrical drives are drawing attention because of the good current tracking, flexible control design and reduced switching losses. The multiphase drive is an attractive proposition due to its usefulness in applications...
Parameter identification of multiphase machines is a new and interesting topic in the development of multiphase drive systems. Regardless of the applied control technique, an accurate knowledge of the parameters is required to ensure high-performance operation of the machine. This also applies to the magnetizing inductance of the machine. Available identification schemes for multiphase induction machines...
The interest in multiphase drives has recently gained attention of the research community due to their applications when high overall system reliability and/or the reduction in the total power per phase are required. The control strategies for these applications require a good knowledge of the machine parameters to avoid deterioration in the drive performance. These electrical machines are very uncommon...
This paper provides a procedure to estimate the parameters of a five-phase induction machine. The standstill time-domain test is used combined with the application of recursive least-square algorithms. Part I discusses the proposed technique. Part II focuses on the validation of the method. A five-phase machine has been obtained rewinding a conventional three-phase counterpart. Simulation and experimental...
This paper deals with the speed control of asymmetrical dual three-phase induction machines by using an inner loop of Predictive Current Control based on the Model (MBPC). The MBPC is obtained from the mathematical model of the drive, using a state-space representation, where the two states variables are the stator and rotor currents, respectively. In electrical drive applications, the rotor current...
The Kalman Filter (KF) is a very powerful tool when it comes to controlling noisy systems, because it provides optimal filtering of the noise in measurement and inside the system if the covariance matrices of these noises are known. This paper addresses the study of the KF application to improve the estimation of states through an optimal estimation of the rotor current and proposes a speed control...
This paper presents a low-cost pneumatic micropiston fabricated using Printed Circuit Board for Microelec-tromechanical Systems (PCB-MEMS) technology in which the copper is used as sacrificial layer and the Flame Retardant 4 (FR4) as substrate. Also the typical process of the negative photoresist SU-8 is used to fabricated the structures, i.e, the cylinder and the piston. The geometric shape selected...
Multiphase electric drives have been recently proposed for applications where the highest overall system reliability and power distribution per phase are required. The propulsion drive of an Electric Vehicle (EV) is one of these applications. Direct Torque Control (DTC) methods are normally used in conventional AC drives when fast electrical dynamic performance is required, like in electric propulsion...
Multiphase electric drives have been recently proposed for applications where the highest overall system reliability and power distribution per phase are required. The propulsion drive of an Electric Vehicle (EV) is one of these applications. This paper deals with the use of a five-phase induction machine in the propulsion module of EVs, where the viability of a Predictive Torque Control method (PTC)...
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