In our investigations we analyze the dynamics of a two-phase hybrid stepper motor. Its behavior is governed by a system of four non-linear ordinary differential equations. We focus on the instability phenomena occurring during the operation of the device at different frequency intervals. Such instabilities can lead to a loss of synchronism and consequently to motor’s failure. The dynamics of a realistic system driven by a stepper motor is analyzed experimentally using a phase current sensing method in order to understand the dynamical processes governing the instability phenomena. The applied measuring system allowed to acquire a number of phase plots showing the behavior of the system at different angular velocities. Results indicate that qualitative change is phase plots is correlated with the loss of motor stability.
CITATION STYLE
Kępiński, R., Awrejcewicz, J., Lewandowski, D., & Gajek, J. (2015). Experimental investigations of stability in a hybrid stepper motor. Advances in Intelligent Systems and Computing, 317, 81–90. https://doi.org/10.1007/978-3-319-10990-9_8
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