O presente trabalho é um estudo comparativo entre a modelagem de motores de indução bifásicos simétricos com o uso da transformação dq0, que é uma modelagem matemática clássica na análise dos motores de indução bifásicos e a modelagem através da teoria do vetor espiral, proposta na década de 80 para os motores de indução trifásicos. A modelagem clássica é apresentada detalhadamente, bem como a modelagem por vetores espirais. Foram realizadas simulações para comparar os resultados entre as diferentes abordagens. / This work is a comparative study between the classic modeling using dq0 transformation and the spiral vector theory applied to study symmetrical two-phase induction machine. The spiral vector theory was proposed by Dr. Sakae Yamamura to study electrical machines in the middle of 1980s. To compare both types of modeling, simulations were performed to solve differential equations.

This master thesis is one part of a project, called “StabSim”, with the purpose to develop a simulation model for the align and stabilisation system in main battle tank 122. The origin of this project is that it should be possible to make control analysis without risking any hardware. Besides that it will be easy to change components in order to investigate the behaviour of the system. The report includes modelling of tower and weapon mechanics and also the modelling of the synchronous motors, which control these. There is also a discussion whether the model can be reduced in order to receive a less stiff system. To get a proper system the models needs many parameters. Some of them are unknown and that’s why this report includes methods to estimate them. Measurements have then been done on a main battle tank, and requisite parameters have been estimated.

<p>This master thesis is one part of a project, called “StabSim”, with the purpose to develop a simulation model for the align and stabilisation system in main battle tank 122. The origin of this project is that it should be possible to make control analysis without risking any hardware. Besides that it will be easy to change components in order to investigate the behaviour of the system. </p><p>The report includes modelling of tower and weapon mechanics and also the modelling of the synchronous motors, which control these. There is also a discussion whether the model can be reduced in order to receive a less stiff system. </p><p>To get a proper system the models needs many parameters. Some of them are unknown and that’s why this report includes methods to estimate them. Measurements have then been done on a main battle tank, and requisite parameters have been estimated.</p>

O presente trabalho é um estudo comparativo entre a modelagem de motores de indução bifásicos simétricos com o uso da transformação dq0, que é uma modelagem matemática clássica na análise dos motores de indução bifásicos e a modelagem através da teoria do vetor espiral, proposta na década de 80 para os motores de indução trifásicos. A modelagem clássica é apresentada detalhadamente, bem como a modelagem por vetores espirais. Foram realizadas simulações para comparar os resultados entre as diferentes abordagens. / This work is a comparative study between the classic modeling using dq0 transformation and the spiral vector theory applied to study symmetrical two-phase induction machine. The spiral vector theory was proposed by Dr. Sakae Yamamura to study electrical machines in the middle of 1980s. To compare both types of modeling, simulations were performed to solve differential equations.