permanent magnet machines control
Radial force control of multi sector permanent magnet machines
... ermanent magnet synchronous machines (PMSM) are widely adopted in many high performance industrial applications and more recently have seen an increased uptake driven by transportation including automotive, ...
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Digital Control of Permanent Magnet Synchronous Motor
... machine control. FOC machines need two constants: the torque component (aligned with the q co-ordinate) and the flux component (aligned with d co-ordinate) as input ...the control structure handles ...
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Radial force control of multi sector permanent magnet machines for vibration suppression
... force control in electrical machines has been widely investigated for a variety of bearingless machines as well as for conventional structures featuring mechanical ...nent Magnet machine ...
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Radial force control of Multi Sector Permanent Magnet machines considering radial rotor displacement
... In the present work, the mathematical model proposed in [11] is elaborated to take the static rotor eccentricity into account. Furthermore, a detailed analytical calculation of the coefficients of the mathematical model ...
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Comparison Between Line Start PM Synchronous Motor and Induction Motor With Same Nominal Power and Same Pole Pairs When Fed By VF Control Drive
... a permanent magnet synchronous motor with a smaller but more efficient than electric machines can be designed ...the permanent magnet motor drive increased attention in the scientific ...
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Sensorless flux-weakening control of permanent-magnet brushless machines using third harmonic back EMF
... sensorless control techniques have been developed for brushless dc (BLDC) and brushless ac (BLAC) ...surface-mounted permanent-magnet (SPM) BLDC and BLAC motors, but not for interior ...
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Cogging torque mitigation of modular permanent magnet machines
... Therefore, the question here is why not directly applying the desired shift angle to eliminate the 12 th order harmonic? This is mainly due to the fact that when focusing on the elimination of the dominant harmonic, the ...
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Sensorless control of brushless permanent magnet motors
... First of all, I wish to thank and place on record my immense gratitude to my supervisor Prof. Dr.-Ing. Peter Thiemann for his continuous support, sponsor, guidance and supervision, Mr. Karl-Heinz Weber and Mr. Tobias ...
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Rotor resonances of high-speed permanent-magnet brushless machines
... and control strategy were employed to facilitate operation at speeds up to 60 000 ...high-speed permanent-magnet brushless generators are being employed in applications such as gas-turbine-driven ...
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NOVEL TECHNIQUES FOR TORQUE RIPPLE MODELING AND MINIMIZATION IN PERMANENT MAGNET MACHINES
... feedback control approach is based on the torque estimation for feedback current control to suppress the torque ripples because the torque transducers are usually too expensive to be used in regular PM ...
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Torque-ripple minimization in modular permanent-magnet brushless machines
... modular machines, for use in appli- cations where servo characteristics and fault tolerance are key ...torque control strategy for the modular permanent-magnet machines operating in ...
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A general framework for the analysis and design of tubular linear permanent magnet machines
... linear permanent magnet machines which embraces the topologies shown in ...the machines and provide a basis for comparative studies, design optimization, system dynamic modeling and ...
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Space vectors and pseudo inverse matrix methods for the radial force control in bearingless multi sector permanent magnet machines
... multiphase machines suitable for the radial force control is another example of this technology ...a permanent magnet machine, where independent three-phase windings are located in different ...
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NOVEL METHODS FOR PERMANENT MAGNET DEMAGNETIZATION DETECTION IN PERMANENT MAGNET SYNCHRONOUS MACHINES
... monitored torque signal under nonstationary condition is firstly preprocessed by the wavelet transforms to eliminate the high frequency noise. Then the torque orders are extracted from the de-noised torque with VKF-OT. ...
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Analysis of vertical strip wound fault tolerant permanent magnet synchronous machines
... Fig.8c shows the temperature excursion in the shorted turn during the three operating conditions, i.e. healthy, faulty and post-fault remedial control. The result obtained shows a very high current induced in the ...
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Modular Permanent Magnet Machines with Alternate Teeth Having Tooth Tips
... modular machines have been calculated for different flux gap and tooth tip width ...modular machines, the relationships between core losses and flux gap width or tooth tip width increase are ...
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Analytical magnetic field analysis of Halhach magnetized permanent-magnet machines
... magnetized permanent-magnet machines, accounting for the relative permeability of the ...rotor machines having either an iron-cored or air-cored stator and ...of magnet thickness and ...
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Partitioned Topologies of Switched Flux Permanent Magnet Machines for Electric Vehicles
... PS-SFPM machines. Hybrid-excited and wound field PS-SF machines have been investigated in [9, 10], respectively, to enhance the flux regulation capability and reduce the total ...flux machines with ...
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A New Subdomain Method for Performances Computation in Interior Permanent-Magnet (IPM) Machines
... group in the Hybrid & Fuel Cell Systems, Electrical Machines (SHARPAC) Team. He works with ALSTOM Transports (France), and RENAULT (France), where he is involved in the modeling, design, and optimization of ...
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Impact of soft magnetic material on design of high speed permanent magnet machines
... In general, electrical machines associated with aerospace and defence applications tend to employ Cobalt-Iron (Co- Iron) alloy material [16]. This is mainly due to the high temperature operating conditions often ...
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