Because of high efficiency, power and power density, synchronous motors are frequently used in industrial envirnoment. One of the propulsion forms that has lately received more attention in car industry is in-wheel technology. It, along with other forms of electric propulsion, like near-wheel and central electric motors as well as hybrid cars, has started to replace combustion engines. When it comes to synchronous motors, a well designed and reliable commutation algorithm is crucial, since their safety, reliability and efficiency directly hinge on it.
The main focus of my thesis to evaluate if we are able to identify an incorrect angle detection of motor's positional sensor using only voltage Ud, which is calculated as a part of a field oriented control. The first step was to generate surfaces of Ud at different artificial rotor angle position errors and then compare those to the actual measurements from a car with the same motors. The last step was to eveluate the results and determine if the method used is suitable for later use.
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