کد مقاله کد نشریه سال انتشار مقاله انگلیسی نسخه تمام متن
696967 890353 2011 7 صفحه PDF دانلود رایگان
عنوان انگلیسی مقاله ISI
Nonlinear dynamic allocator for optimal input/output performance trade-off: Application to the JET tokamak shape controller
موضوعات مرتبط
مهندسی و علوم پایه سایر رشته های مهندسی کنترل و سیستم های مهندسی
پیش نمایش صفحه اول مقاله
Nonlinear dynamic allocator for optimal input/output performance trade-off: Application to the JET tokamak shape controller
چکیده انگلیسی

In this paper, we revisit the dynamic allocation scheme for input redundant plants proposed in Zaccarian (2009). within a set-point regulation setting and propose generalizations that apply to cases where the plant under consideration is not input redundant but the control specifications allow us to modify the set-point regulation within certain bounds. In this case, the input allocator is extended to the nonredundant case by allowing it to improve the input allocation selection at the price of some output regulation error. We also establish here desirable convergence properties of the allocator, which were only addressed for the linear case in Zaccarian (2009). In particular, we design the allocator dynamics as the gradient of a cost function and establish its convergence to the minimum of the cost function under some mild conditions. The allocation scheme is applied to the JET tokamak shape controller by illustrating its capabilities to enforce coil currents selections that tend to move away from the saturation limits within the allowable degrees of freedom.

ناشر
Database: Elsevier - ScienceDirect (ساینس دایرکت)
Journal: Automatica - Volume 47, Issue 5, May 2011, Pages 981–987
نویسندگان
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