Optimal Steady-State Temperature Field in an Experimental Annealing Furnace

被引：5
|
作者：
Jadachowski, L. [1 ]
Steinboeck, A. [2 ]
Kugi, A. [1 ]
机构：
[1] Vienna Univ Technol, Automat & Control Inst, Christian Doppler Lab Model Based Control Steel I, Gusshausstr 27-29, A-1040 Vienna, Austria
[2] Vienna Univ Technol, Automat & Control Inst, Gusshausstr 27-29, A-1040 Vienna, Austria
来源：
IFAC PAPERSONLINE | 2016年 / 49卷 / 20期
关键词：
Optimal operating point; Distributed-parameter systems; Elliptic quasilinear PDE; Model reduction; FE method; Non-equidistant grid;
D O I：
10.1016/j.ifacol.2016.10.123
中图分类号：
TP [自动化技术、计算机技术];
学科分类号：
0812 ;
摘要：
The computation of an optimal steady-state operating point in an experimental annealing furnace is considered. In particular, the optimum spatial distribution of electric power supplied to IR-lamps is computed to ensure the temperature uniformity in the specimen fillet. A control-oriented reduced-order model of the steady-state 2D temperature distribution is derived and compared with the full-order model. Saturation functions are used to consider input constraints in a tailored optimization problem. The evaluation of the optimal control input is carried out with the full-order model. Uniqueness of the solution of the optimization problem is investigated numerically. The temperature field in the specimen fillet deviates less than 0.4% of the setpoint value if sufficient heating power is available. (C) 2016, IFAC (International Federation of Automatic Control) Hosting by Elsevier Ltd. All rights reserved.
引用
收藏
页码：214 / 219
页数：6
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