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Sequence Generator To Derive 8-Phase Variable Reluctance Stepper Motor | ||
| Al-Rafidain Engineering Journal (AREJ) | ||
| Article 8, Volume 18, Issue 5, 2010, Pages 73-87 PDF (0 K) | ||
| DOI: 10.33899/rengj.2010.32893 | ||
| Authors | ||
| Taha A. Al-Sabbagh; Kamil G. Salih | ||
| Abstract | ||
| Abstract Literature survey indicates that the design of sequence generator is considered for a few number of control sequences of stepper motor. In our research a new circuit is built in a simple design for generation of all required sequences up to eight phases for Variable Reluctance (V.R.) stepper motor .This circuit must be followed by a power drive circuit to achieve the power requirement of the stepper motor. In case of getting a certain sequence , these data must be given to the system ; number of phases, number of 1st energized phases, type of sequence (full step or half step mode) and finally the direction of rotation, hence the system in response will generate the required sequence. Some papers previously used SSI & MSI circuits to build the sequence generator ,but in this paper an LSI (EPROM) circuit as well as SSI & MSI circuits are used to get minimal design with less components. The paper includes a brief description of the fundamentals of sequences controlling the stepper motor, the detailed proposed circuit description and samples of experimental results with an appendix illustrating a complete map of the EPROM which is used to store all required sequences. | ||
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