Sampled weighted attraction control of distributed thermal scan welding
Kybernetika, Tome 35 (1999) no. 1, p. [117].

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This article addresses the problem of distributed-parameter control for a class of infinite-dimensional manufacturing processes with scanned thermal actuation, such as scan welding. This new process is implemented on a robotic GTAW laboratory setup with infrared pyrometry, and simulated by a flexible numerical computation program. An analytical linearized model, based on convolution of Green’s fields, is expressed in multivariable state-space form, with its time-variant parameters identified in-process. A robust controller design compensates for model uncertainty, and a sampled weighted attraction method is introduced for heat source guidance based on real-time thermal optimization of the heat input distribution. The distributed thermal regulation strategy with infrared feedback is validated both computationally and experimentally in scan welding tests.
Classification : 80M50, 93B51, 93C20, 93C95
Mots-clés : scan welding; thermal control; distributed parameter; numerical method 
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     author = {Doumanidis, Charalabos C.},
     title = {Sampled weighted attraction control of distributed thermal scan welding},
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     pages = {[117]},
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Doumanidis, Charalabos C. Sampled weighted attraction control of distributed thermal scan welding. Kybernetika, Tome 35 (1999) no. 1, p. [117]. https://geodesic-test.mathdoc.fr/item/KYB_1999__35_1_a10/