this paper, written for diploma thesis by Milan Tomić, one brushless DC
electromotor control method without position sensors on motor is
considered. In first chapter we will be introduced to widely spread
brushless DC motors. We will take brief pros and cons analysis of
brushless DC drive. Later we will be introduced to the types of
position sensing in one brushless DC drive – explicit and implicit.
Than we will do thorough analysis of our method.
Calculation of components and practical realization of position sensing
circuit will be given. For a practical realization of entire system
IRDAK 10 motor drive (International rectifier) will be used. It will be
analyzed as well as microcontroller PIC16F873 (Microchip) which is the
brain of our system. Afterwards, we will take a look at the
that have to be done on IRDAK in order to connect our position
detecting circuit on it. Software resources will be described.
Performance analysis will be done. Possible applications and upgrades
will be proposed.
Documentation for download: file.pdf
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