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Calculating restart states using reset transitions

Patrik Bergagård (Institutionen för signaler och system, Automation) ; Martin Fabian (Institutionen för signaler och system, Automation)
IEEE International Conference on Robotics and Automation, ICRA 2014, Hong Kong, China, 31 May - 7 June 2014 (1050-4729). (2014)
[Konferensbidrag, refereegranskat]

This paper presents a supervisory control theory based offline approach for calculating restart states in a manufacturing control system. Given these precalculated restart states, an operator can be given instructions for how to correctly resynchronize the control system and the manufacturing resources during the online restart phase, as part of the error recovery process. Restarting from a restart state guarantees that all requirements on the nominal and the restarted productions are fulfilled. The paper includes an empirical comparison showing that the proposed approach enables restart states calculation for systems of sizes that could not be handled using an earlier presented approach.



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Denna post skapades 2014-03-27. Senast ändrad 2016-05-23.
CPL Pubid: 195816

 

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Institutioner (Chalmers)

Institutionen för signaler och system, Automation

Ämnesområden

Produktion
Robotteknik och automation

Chalmers infrastruktur

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