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SPEED SYNCHRONIZATION OF MASTER –SLAVE D.C. MOTORS USING MICROCONTROLL

Publication Date : 31/12/2014



Author(s) :

Alka A. Thorat , P. D. Pange , V. S. Doijad.


Volume/Issue :
Volume 1
,
Issue 6
(12 - 2014)



Abstract :

In textile industry many processes require speed synchronization of more than one motors involved in the process. Rolling of cloth should be synchronized with the speed of weaving spindle to avoid damage and motor speed synchronization is vital in conveyor belt driven by multiple motors. Abrupt load variations may cause hunting or oscillatory behavior in d. c. machines. This behaviour can be detrimental to the process. The digitally controlled d. c. machines can have much aggravated phenomenon owing to poor sampling period selection. Traditionally processes are synchronized through mechanical transmission system consisting of a line shaft gears, pullers etc. Among the available software mechanisms master-slave synchronization is a widely used technique. Multi-motor applications have become very attractive field in industrial applications replacing in traditional mechanical coupling. Many textile applications involved synchronized speed motors. For example wrapping of clothes should be synchronized with the speed of weaving spindle to avoid damage and Similarly in some cases the speed of long conveyor belt driven by multiple motors is need to be constant. In such types of applications master slave technique is used as a software mechanism to synchronize the speed of different motors to avoid damage.


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SPEED SYNCHRONIZATION OF MASTER –SLAVE D.C. MOTORS USING MICROCONTROLL

December 31, 2014