Energy-Efficient and Fault-Tolerant Control of Multiphase Nonsinusoidal PM Synchronous Machines

Aghili, Farhad

doi:10.1109/tmech.2015.2408255

Cited by 15 publications

(11 citation statements)

References 54 publications

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“…The phase current is achieved for nominal conditions (100 A peak per phase) and the torque (T) is regulated at 300 Nm. Considering these values, the mechanical output power can be computed by (11) and is around 120 kW. Considering these values, the mechanical output power can be computed by (11) and is around 120 kW.…”

Section: Co-simulation Resultsmentioning

confidence: 99%

“…Permanent Magnet (PM) motors offer several possibilities from the control point of view. In fact, a number of studies [5,[10][11][12][13] prove that they can be designed, optimized and controlled to achieve high power density, low noise, low cogging torque, high efficiency and adaptability for flux-weakening regions. Considering multi-phase PM machines, they have a variety of applications in many areas such as automobiles, robotics, renewable energies, and aerospace [14,15].…”

Section: Introductionmentioning

confidence: 99%

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Multi-Phase Modular Drive System: A Case Study in Electrical Aircraft Applications

Onambele

Mabwe

2017

Energies

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In this article, an advanced multiphase modular power drive prototype is developed for More Electric Aircraft (MEA). The proposed drive is designed to supply a multi-phase permanent magnet (PM) motor rating 120 kW with 24 slots and 11 pole pairs. The power converter of the drive system is based on Silicon Carbide Metal Oxide Semiconductor Field-Effect Transistor (SiC MOSFET) technology to operate at high voltage, high frequency and low reverse recovery current. Firstly, an experimental characterization test is performed for the selected SiC power module in harsh conditions to evaluate the switching energy losses. Secondly, a finite element thermal analysis based on Ansys-Icepak is accomplished to validate the selected cooling system for the power converter. Thirdly, a co-simulation model is developed using Matlab-Simulink and LTspice ® to evaluate the SiC power module impact on the performance of a multiphase drive system at different operating conditions. The results obtained show that the dynamic performance and efficiency of the power drive are significantly improved, which makes the proposed system an excellent candidate for future aircraft applications.

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Section: Co-simulation Resultsmentioning

confidence: 99%

Section: Introductionmentioning

confidence: 99%

Multi-Phase Modular Drive System: A Case Study in Electrical Aircraft Applications

Onambele

Mabwe

2017

Energies

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“…In many sensorless systems using back EMF, the steady-state module of PMSM is often utilized as a reference; consequently, robustness may be difficult to achieve if there is a parameter mismatch or load sudden change during the working operation under the low speed range [9], [10]. Due to the stator resistance of PMSM varies with temperature, robustness and precise multi-parameter identification is necessary for low speed sensorless driver [11], [12]. Therefore, some multi-parameter identification technologies such as extended Kalman filter (EKF) scheme [13], [14], recursive least squares (RLS) scheme [15], [16], and model reference adaptive system (MRAS) scheme [22]- [25] have been proposed.…”

Section: Introductionmentioning

confidence: 99%

Switched PI Control Based MRAS for Sensorless Control of PMSM Drives Using Fuzzy-Logic-Controller

Liu

Nie

Wei

et al. 2021

Preprint

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With the use of sensorless control mechanical position sensors can be removed from the gearbox, so as to decrease the maintenance costs and enhance the system robustness. In this paper, switched PI control based model reference adaptive system (MRAS) observer using Fuzzy-Logic-Controller (FLC) is introduced for sensorless control of permanent magnet synchronous motor (PMSM) drives. The main work and innovation of this paper include: 1) An FLC is designed for speed and current control. The response performance of speed regulation and the accuracy of the command voltage are improved and the difficulty of manual adjustment of control parameters is avoided. In addition, the disturbance observer is established to compensate the nonlinear effect caused by voltage source inverter (VSI). Therefore, the robustness of PMSM vector control system is improved and the sensorless control precision is guaranteed. 2) A sensorless control strategy of a switched PI control based MRAS observer is proposed for stator resistance tracking, which can improve the accuracy of resistance estimation and improve the dynamic performance of sensorless control. 3) The experimental results are given to verify the availability of the proposed scheme.

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“…In fact, the recent surge in demand for high efficient PM motor drives is mainly caused by rapid proliferation of motor drives into the automobile industry. The performance and efficiency of PMSMs are constantly being improved through not only optimal motor design and construction but also by implementation of advanced control methods [2][3][4]6,7,9] for electric vehicles as well as industrial automation and robotics within the manufacturing sector. Such applications often require motor drives to work in wide speed and torque ranges while maintaining high efficiency [8].…”

Section: Introductionmentioning

confidence: 99%

Energy Efficient Control of Electric Motors

Aghili

2021

Preprint

Self Cite

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This paper presents development of an optimal feedback linearization control (OFLC) for interior permanent magnet (PM) synchronous machines operating in a non steady-sate operating point, i.e., varying torque and speed, to achieve precision tracking performance and energy saving by minimizing the copper loss. An isomorphism mapping between the dq-axes phase voltages and two auxiliary control inputs over full ranges of torque and speed is established by the linearization controller using the notion of orthogonal projection. The auxiliary control inputs are defined to be exclusively responsible for torque generation and power consumption. Subsequently, an analytical solution for the optimal-linearization control is derived in a closed-form by applying the Hamiltonian of optimal control theory in conjunction with the Pontryagin's minimum principle. The optimal controller takes the maximum voltage limit and torque tracking constraint into account while maximizing machine efficiency for non-constant operational load torque and speed. Unlike the convectional quadratic regulator-based control of electric motors, the proposed control approach does not rely on steady-state operation conditions and hence it is suitable for such applications as electric vehicles and robotics.

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Energy-Efficient and Fault-Tolerant Control of Multiphase Nonsinusoidal PM Synchronous Machines

Cited by 15 publications

References 54 publications

Multi-Phase Modular Drive System: A Case Study in Electrical Aircraft Applications

Multi-Phase Modular Drive System: A Case Study in Electrical Aircraft Applications

Switched PI Control Based MRAS for Sensorless Control of PMSM Drives Using Fuzzy-Logic-Controller

Energy Efficient Control of Electric Motors

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