Younseok CHOO


Necessary Conditions for θ-Stability of Real Polynomials
Younseok CHOO 
Publication:   IEICE TRANSACTIONS on Fundamentals of Electronics, Communications and Computer Sciences
Publication Date: 2016/08/01
Vol. E99-A  No. 8  pp. 1628-1631
Type of Manuscript:  LETTER
Category: Systems and Control
Keyword: 
Hurwitz stabilityrelative stabilityθ-stabilitynecessary conditions
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On the Robustness of Hurwitz Polynomials under Coefficient Perturbation
Younseok CHOO 
Publication:   IEICE TRANSACTIONS on Fundamentals of Electronics, Communications and Computer Sciences
Publication Date: 2014/10/01
Vol. E97-A  No. 10  pp. 2079-2082
Type of Manuscript:  LETTER
Category: Systems and Control
Keyword: 
robust stabilityHurwitz polynomialSchur polynomialbilinear transformation
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Computing Transformation Matrix for 1-D to 2-D Polynomial Transformation
Younseok CHOO Young-Ju KIM 
Publication:   IEICE TRANSACTIONS on Fundamentals of Electronics, Communications and Computer Sciences
Publication Date: 2012/10/01
Vol. E95-A  No. 10  pp. 1780-1783
Type of Manuscript:  LETTER
Category: Digital Signal Processing
Keyword: 
polynomial transformationdigital filtertransformation matrix
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On the Monotonic Condition for Schur Stability of Real Polynomials
Younseok CHOO Gin-Kyu CHOI 
Publication:   IEICE TRANSACTIONS on Fundamentals of Electronics, Communications and Computer Sciences
Publication Date: 2011/12/01
Vol. E94-A  No. 12  pp. 2886-2888
Type of Manuscript:  LETTER
Category: Systems and Control
Keyword: 
real polynomialSchur stabilitymonotonic conditiondominant condition
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A Simplified Jury's Table for Complex Polynomials
Younseok CHOO Young-Ju KIM 
Publication:   IEICE TRANSACTIONS on Fundamentals of Electronics, Communications and Computer Sciences
Publication Date: 2011/04/01
Vol. E94-A  No. 4  pp. 1148-1150
Type of Manuscript:  LETTER
Category: Systems and Control
Keyword: 
complex polynomialSchur stabilityJury testroot distribution
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Further Results on Jury Test for Complex Polynomials
Younseok CHOO 
Publication:   IEICE TRANSACTIONS on Fundamentals of Electronics, Communications and Computer Sciences
Publication Date: 2010/10/01
Vol. E93-A  No. 10  pp. 1824-1826
Type of Manuscript:  LETTER
Category: Systems and Control
Keyword: 
complex polynomialschur stabilityjury testroot distribution
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Simple Proof of Jury Test for Complex Polynomials
Younseok CHOO Dongmin KIM 
Publication:   IEICE TRANSACTIONS on Fundamentals of Electronics, Communications and Computer Sciences
Publication Date: 2010/02/01
Vol. E93-A  No. 2  pp. 550-552
Type of Manuscript:  LETTER
Category: Systems and Control
Keyword: 
complex polynomialschur stabilityjury test
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Successive Computation of Transformation Matrices for Arbitrary Polynomial Transformation
Younseok CHOO Gin Kyu CHOI 
Publication:   IEICE TRANSACTIONS on Fundamentals of Electronics, Communications and Computer Sciences
Publication Date: 2009/04/01
Vol. E92-A  No. 4  pp. 1230-1232
Type of Manuscript:  LETTER
Category: Digital Signal Processing
Keyword: 
polynomial transformationbilinear transformationbiquadratic transformationtransformation matrix
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Schur Stability of Convex Combinations of Complex Polynomials
Younseok CHOO Gin Kyu CHOI 
Publication:   IEICE TRANSACTIONS on Fundamentals of Electronics, Communications and Computer Sciences
Publication Date: 2007/11/01
Vol. E90-A  No. 11  pp. 2612-2615
Type of Manuscript:  LETTER
Category: Systems and Control
Keyword: 
Schur stabilityconvex combination
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Computing Transformation Matrix for Bilinear S-Z Transformation
Younseok CHOO 
Publication:   IEICE TRANSACTIONS on Fundamentals of Electronics, Communications and Computer Sciences
Publication Date: 2007/04/01
Vol. E90-A  No. 4  pp. 872-874
Type of Manuscript:  LETTER
Category: Systems and Control
Keyword: 
transformation matrixbilinear transformation
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On the Property of a Discrete Impulse Response Gramian with Application to Model Reduction
Younseok CHOO 
Publication:   IEICE TRANSACTIONS on Fundamentals of Electronics, Communications and Computer Sciences
Publication Date: 2005/12/01
Vol. E88-A  No. 12  pp. 3658-3660
Type of Manuscript:  LETTER
Category: Systems and Control
Keyword: 
discrete impulse response Gramianmodel reduction
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A Note on Discrete-System Reduction via Impulse Response Gramian
Younseok CHOO 
Publication:   IEICE TRANSACTIONS on Fundamentals of Electronics, Communications and Computer Sciences
Publication Date: 2005/02/01
Vol. E88-A  No. 2  pp. 599-601
Type of Manuscript:  LETTER
Category: Systems and Control
Keyword: 
model reductionimpulse response GramianMarkov parametertime-moment
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