Fuzzy logic applied to speed control of a stepping motor drive
Betin, F.; Pinchon, D.; Capolino, G.-A.
Industrial Electronics, IEEE Transactions on
Volume 47, Issue 3, Jun 2000 Page(s):610 - 622
Digital Object Identifier 10.1109/41.847902
Summary:Nowadays, thanks to the development of microprocessors, stepping
motors are widely used in robotics and in the numerical control of
machine tools where they have to perform high-precision positioning
operations. Nevertheless, the variations of the mechanical configuration
of the drive, which are common to these two applications, can lead to a
loss of synchronism for high stepping rates. Moreover, the classical
open-loop speed control is weak and a closed-loop control becomes
necessary. In this paper, the fuzzy logic principle is applied to
control the speed of a stepping motor drive with feedback. An advanced
test bed is used in order to evaluate the tracking properties and the
robustness capacities of the fuzzy logic controller when variations of
the mechanical configuration occur. The experiment has been performed
using a low-cost 16 bit microcontroller in order to verify the design
performance
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