Stream Selector’s Control System Based on High-Precision Incremental Encoder

Zhi Guang Zhang; Wei Hu; Xiao Qiong Li; Xue Fei Lv; Min Ping Zhang; Cong Xiao Zhang; Yu Lin Deng

doi:10.4028/www.scientific.net/AMM.303-306.1657

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HomeApplied Mechanics and MaterialsApplied Mechanics and Materials Vols. 303-306Stream Selector’s Control System Based on...

Stream Selector’s Control System Based on High-Precision Incremental Encoder

Abstract:

For the precision rotor position control of stream selector, a control system based on direct current motor (DC motor) has been constructed. The DC motor, with a high-precision incremental encoder used as the driving force, was assembled with the stream selector rotor through a shaft coupling. Following the motor rotation, the encoder generated two-channel quadrature pulses and one channel index pulses. An ultralow-power consumption microcontroller (msp430f2232) received theses pulses and calculated them. The position of the slot was determined by the number of pulses counted from the index pulse. Operator can set and monitored the slot positions of five stream selectors simultaneously through the program which was written with LabVIEW on the host computer. This module featured high reliability and low power consumption compared with the one driven by step motor. Beyond that, it was much smaller and lighter.

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Periodical:

Applied Mechanics and Materials (Volumes 303-306)

Pages:

1657-1660

DOI:

https://doi.org/10.4028/www.scientific.net/AMM.303-306.1657

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Online since:

February 2013

Authors:

Zhi Guang Zhang, Wei Hu, Xiao Qiong Li, Xue Fei Lv, Min Ping Zhang, Cong Xiao Zhang, Yu Lin Deng

Keywords:

DC Motor (DCM), Incremental Encoder, LabVIEW, Microcontroller, Stream Selector

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