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Title:An ℋ∞ optimal robust pole placement with fixed transparent controller structure on the basis of nonnegativity of even spectral polynomials
Authors:Sarjaš, Andrej (Author)
Svečko, Rajko (Author)
Chowdhury, Amor (Author)
Files:.pdf Mathematical_Problems_in_Engineering_2012_Sarjas,_Svecko,_Chowdhury_An_ℋ∞_Optimal_Robust_Pole_Placement_with_Fixed_Transparent_Controlle.pdf (3,03 MB)
MD5: F33FF40F3F42F3D879F9851F86B87B69
URL http://www.hindawi.com/journals/mpe/2012/735245/
Work type:Scientific work (r2)
Typology:1.01 - Original Scientific Article
Organization:FERI - Faculty of Electrical Engineering and Computer Science
Abstract:This paper presents the synthesis of an optimal robust controller with the use of pole placement technique. The presented method includes solving a polynomial equation on the basis of the chosen fixed characteristic polynomial and introduced parametric solutions with a known parametric structure of the controller. Robustness criteria in an unstructured uncertainty description with metrics of norm ℋ∞ are for a more reliable and effective formulation of objective functions for optimization presented in the form of a spectral polynomial with positivity conditions. The method enables robust low-order controller design by using plant simplification with partial-fraction decomposition, where the simplification remainder is added to the performance weight. The controller structure is assembled of well-known parts such as disturbance rejection, and reference tracking. The approach also allows the possibility of multiobjective optimization of robust criteria, application of mixed sensitivity problem, and other closed-loop limitation criteria, where the common criteria function can be composed from different unrelated criteria. Optimization and controller design are performed with iterative evolution algorithm.
Keywords:optimal robust controller, optimization, algorithm
Number of pages:str. 1-25
Numbering:Letn. 2012
ISSN on article:1024-123X
COBISS_ID:16552726 New window
DOI:10.1155/2012/735245 New window
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Record is a part of a journal

Title:Mathematical Problems in Engineering
Shortened title:Math. Probl. Eng.
Publisher:Hindawi Publishing Corporation
COBISS.SI-ID:12769113 New window


License:CC BY 4.0, Creative Commons Attribution 4.0 International
Description:This is the standard Creative Commons license that gives others maximum freedom to do what they want with the work as long as they credit the author.
Licensing start date:15.06.2017

Secondary language

Keywords:optimalno robustno vodenje, optimizacija, algoritem


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