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Speed controller strategies for distributed motion control via Ethernet

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3 Author(s)
L. Samaranayake ; Dept. of Electr. Eng., R. Inst. of Technol., Stockholm, Sweden ; S. Alahakoon ; K. Walgama

Investigations on adapting Ethernet for distributed control systems is an interesting topic in the motion control industry, due to its commercially off the shelf hardware availability and compatibility at a comparatively lower price. Conversely, the communication through shared media in standard Ethernet is non-deterministic resulting in stochastic delays of data transfer. This paper experiments the solutions, through a control engineering perspective, for the time delay problem encountered in distributing the speed control loop of a Brushless DC motor via an Ethernet network. The mean of the control delay (T) is used in standard controller strategies modified for time delayed systems.

Published in:

Intelligent Control. 2003 IEEE International Symposium on

Date of Conference:

8-8 Oct. 2003