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Approaching improved adhesive bonding repeatability

: Schlette, C.; Müller, T.; Romann, J.; Brecher, C.


Glebov, A.L. ; Society of Photo-Optical Instrumentation Engineers -SPIE-, Bellingham/Wash.:
Components and Packaging for Laser Systems II. Proceedings : 16-17 February 2016, San Francisco, California, United States
Bellingham, WA: SPIE, 2016 (Proceedings of SPIE 9730)
ISBN: 978-1-62841-965-8
Art. 97300F
Conference "Components and Packaging for Laser Systems" <2, 2016, San Francisco/Calif.>
Conference Paper
Fraunhofer IPT ()

Today, the precision of micro-optics assembly is mostly limited by the accuracy of the bonding process â?⢠and in the case of adhesive bonding by the prediction and compensation of adhesive shrinkage during curing. In this contribution, we present a novel approach to address adhesive bonding based on hybrid control system theory. In hybrid control, dynamic systems are described as «plants» which produce discrete and/or continuous outputs from given discrete and/or continuous inputs, thus yielding a hybrid state space description of the system. The task of hybrid controllers is to observe the plant and to generate a discrete and/or continuous input sequence that guides or holds the plant in a desired target state region while avoiding invalid or unwanted intermediate states.