Search results for "Finite element"

showing 2 items of 892 documents

An IPMSM torque/weight and torque/moment of inertia ratio optimization

2014

In this paper, a torque/weight and torque/moment of inertia ratio optimization procedure for interior permanent magnet syncronous motors (IPMSMs) is presented. More in detail, a performance comparison between several IPMSM rotor structures has been carried out in order to determine the optimum geometry that can maximize the torque/weight and torque/moment of inertia ratios. A commercial motor, with known electrical and mechanical characteristics, has been taken as reference. Its rotor structure has been modified several times, obtaining different rotor geometries and, therefore, many IPMSM models with different electrical and mechanical characteristics. The finite element method (FEM) analy…

ynchronous motorStall torquetorque-weight ratio optimizationMaterials scienceoptimisationpermanent magnet motorfinite element methodtorque-load-angle characteristicSettore ING-IND/32 - Convertitori Macchine E Azionamenti Elettricilaw.inventioninterior permanent magnet syncronous motorPermanent magnetmagnetisationControl theorylawRotorTorque sensorTorquetorque/weight ratioInduction motorDamping torqueFEM analysiLoad modelingTorque motorRotor (electric)finite element analysis;magnetisation;optimisation;permanent magnet motors;rotors;synchronous motors;IPMSM rotor structures;finite element method;interior permanent magnet syncronous motors;torque-load-angle characteristics;torque-moment of inertia ratio optimization;torque-weight ratio optimization;Induction motors;Load modeling;Permanent magnet motors;Permanent magnets;Rotors;Stators;Torque;FEM analysis;IPMSM;optimization;permanent magnets;torque/moment of inertia ratio;torque/weight ratioControl engineeringtorque-moment of inertia ratio optimizationStatorMoment of inertiafinite element analysiIPMSMDirect torque controlTorqueIPMSM rotor structureoptimizationtorque/moment of inertia ratio
researchProduct

Contribution to the modeling of microstructural corrosion on aluminium alloys : definition of a methodology to study the bimetallic corrosion phenome…

2008

The initiation and the propagation of aluminum alloys microstructural corrosion is mainly based on the bimetallic corrosion phenomenon. This type of corrosion is caused by galvanic coupling at a local scale between the different phases contained in the alloy. The description of the localized corrosion phenomenon has been largely studied. Their complexity can explain why they are so difficult to predict by the way of numerical tools and why the works that have been done on this subject are so scarce. The present thesis brings a new contribution to this field by suggesting a methodology based on the complementary use of local electrochemical techniques and the finite element simulation of bim…

électrochimie locale[CHIM.MATE] Chemical Sciences/Material chemistryAluminum corrosionSVETAutomotiveCapillary microcellAlliages d'aluminium[SPI.MAT] Engineering Sciences [physics]/MaterialsAluminum alloysFinite element modellingLocal electrochemistryIntergranular corrosionMicrogalvanic effectCorrosion microgalvaniqueCorrosion IntergranulaireMicrocellModélisation par éléments finis
researchProduct