NDLI: Simulation based evaluation of a nonlinear model predictive controller for friction stir welding of nuclear waste canisters

Content Provider	IEEE Xplore Digital Library
Author	Nielsen, I. Garpinger, O. Cederqvist, L.
Copyright Year	2013
Description	Author affiliation: Swedish Nucl. Fuel & Waste Manage. Co, Oskarshamn, Sweden (Cederqvist, L.) \|\| Dept. of Autom. Control, Lund Univ., Lund, Sweden (Garpinger, O.) \|\| Dept. of Autom. Control, Linkoping Univ., Linkoping, Sweden (Nielsen, I.)
Abstract	The Swedish nuclear waste will be stored in copper canisters and kept isolated deep under ground for more than 100,000 years. To ensure reliable sealing of the canisters, friction stir welding is used. To repetitively produce high quality welds, it is vital to use automatic control of the process. This paper introduces a nonlinear model predictive controller for regulating both plunge depth and stir zone temperature, which has not been presented in literature before. Further, a nonlinear process model has been developed and used to evaluate the controller in simulations of the closed loop system. The controller is compared to a decentralized solution, and simulation results indicate that it is possible to achieve higher control performance using the nonlinear model predictive controller.
Starting Page	2074
Ending Page	2079
File Size	2044603
Page Count	6
File Format	PDF
ISBN	9783033039629
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	2013-07-17
Publisher Place	Switzerland
Access Restriction	Subscribed
Rights Holder	EUCA
Subject Keyword	Temperature measurement Torque Welding Friction Force Mathematical model Copper
Content Type	Text
Resource Type	Article

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Simulation based evaluation of a non-linear model predictive controller for friction stir welding of nuclear waste canisters. European control conference (2013).

Simulation based Evaluation of a Non-Linear Model Predictive Controller for Friction Stir Welding of Nuclear Waste Canisters. European Control Conference (2013)

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Cascaded Control of Power Input and Welding Temperature During Sealing of Spent Nuclear Fuel Canisters

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Simulation based evaluation of a nonlinear model predictive controller for friction stir welding of nuclear waste canisters

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