On restart of automated manufacturing systems using restart states

Bergagård, Patrik,1984Chalmers tekniska högskola,Chalmers University of Technology (författare)

Highly automated manufacturing systems have gained industrial popularity for their ability to combine high product volumes with high product quality. The high cost of investment in combination with many linked manufacturing systems in a factory, requires that the production runs smoothly with high utilization of the resources and that stoppages are avoided. One major reason for stoppages is the occurrence of errors. A wide variety of possible faults, such as badly fixated parts, broken actuators, and teething problems in the system, may cause errors that lead to an unsynchronization between the control system and the physical system that consequently lead to production stoppages [1,2]. The succeeding error recovery is often a complex and thereby time consuming process that typically requires operator involvement [3]. To plan for restart after errors already during the development of the system would therefore greatly support the online restart process and reduce the time the production is undesirably stopped. The common industrial practice to deal with such non-intended progress is to extend the control system with tailor-made solutions to account for foreseen errors [4,5]. This extension is both time consuming and there is no guarantee that all relevant errors are handled.

Fabian, Martin,1960Chalmers tekniska högskola,Chalmers University of Technology(Swepub:cth)fabian (författare)
Chalmers tekniska högskola (creator_code:org_t)

Ingår i:IEEE International Conference on Automation Science and Engineering2015-October, s. 166-1672161-80702161-80899781467381833

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