Abstract
In this paper we show how hybrid control and modeling techniques can be put to work for solving a problem of industrial relevance in Surface Mount Technology (SMT) manufacturing. In particular, by closing the loop over the stencil printing process, we obtain a robust system that can recover from faulty initial settings, adapt to environmental changes and unscheduled interrupts, and remove discrepancies associated with bidirectional printing machines. Moreover, a timed Petri net argument is invoked for bounding the control effort in such a way that the throughput of the system is unaffected by the introduction of the closed-loop controller. The soundness of the approach is verified on a real SMT manufacturing line.
This work was supported in part by the Georgia Institute of Technology Manufacturing Research Center Grant No. B01D07.
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Barajas, L.G., Kansal, A., Saxena, A., Egerstedt, M., Goldstein, A., Kamen, E.W. (2003). Modeling and Control of SMT Manufacturing Lines Using Hybrid Dynamic Systems. In: Maler, O., Pnueli, A. (eds) Hybrid Systems: Computation and Control. HSCC 2003. Lecture Notes in Computer Science, vol 2623. Springer, Berlin, Heidelberg. https://doi.org/10.1007/3-540-36580-X_8
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DOI: https://doi.org/10.1007/3-540-36580-X_8
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