Abstract
Local area networks are used in industrial control applications that require the digital interconnection of low-level devices such as transducers, actuators and simple controllers. It is possible to use such interconnections solely as a wiring alternative to the traditional star-connected computer controllers and to leave the control of the application with one ‘central’ computer. However, using a local area network to connect intelligent low-level devices opens up the possibility of applying a distributed control methodology to the application. This paper describes the application of a distributed control approach to a work cell previously based around a single, large programmable logic controller. Comparisons of the two approaches are made in an attempt to quantify the effect of this new approach on the metrics of the work cell.
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Armitage, B., Hutchison, D. & Skinner, A. An experiment in distributed manufacturing control. Int J Adv Manuf Technol 7, 231–237 (1992). https://doi.org/10.1007/BF02601629
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DOI: https://doi.org/10.1007/BF02601629