Class information for:
Level 1: MODEL REDUCTION//BALANCED TRUNCATION//MODEL ORDER REDUCTION

Basic class information
Class id #P Avg. number of
references		 Database coverage
of references
5608 1598 19.8 43%


Bar chart of Publication_year

Last years might be incomplete

Hierarchy of classes
The table includes all classes above and classes immediately below the current class.


Cluster id Level Cluster label #P
9 4 COMPUTER SCIENCE, THEORY & METHODS//COMPUTER SCIENCE, ARTIFICIAL INTELLIGENCE//COMPUTER SCIENCE, INFORMATION SYSTEMS 1247339
74 3       AUTOMATION & CONTROL SYSTEMS//IEEE TRANSACTIONS ON AUTOMATIC CONTROL//AUTOMATICA 82579
28 2             AUTOMATION & CONTROL SYSTEMS//IEEE TRANSACTIONS ON AUTOMATIC CONTROL//INTERNATIONAL JOURNAL OF CONTROL 33612
5608 1                   MODEL REDUCTION//BALANCED TRUNCATION//MODEL ORDER REDUCTION 1598

Terms with highest relevance score


rank Term termType Chi square Shr. of publ. in
class containing
term		 Class's shr. of
term's tot. occurrences		 #P with
term in
class
1 MODEL REDUCTION authKW 885191 17% 17% 267
2 BALANCED TRUNCATION authKW 683568 4% 59% 61
3 MODEL ORDER REDUCTION authKW 388102 6% 20% 101
4 BALANCED REALIZATION authKW 339774 2% 52% 34
5 CONTROLLER REDUCTION authKW 298525 2% 63% 25
6 HANKEL SINGULAR VALUES authKW 195642 1% 64% 16
7 GRAMIANS authKW 161443 1% 65% 13
8 H 2 APPROXIMATION authKW 154763 1% 90% 9
9 ORDER REDUCTION authKW 139057 2% 20% 36
10 MOMENT MATCHING authKW 123756 2% 23% 28

Web of Science journal categories


Rank Term Chi square Shr. of publ. in
class containing
term		 Class's shr. of
term's tot. occurrences		 #P with
term in
class
1 Automation & Control Systems 113650 55% 1% 878
2 Engineering, Electrical & Electronic 8910 44% 0% 704
3 Operations Research & Management Science 4862 13% 0% 205
4 Mathematics, Applied 2061 15% 0% 244
5 Mathematics, Interdisciplinary Applications 1596 8% 0% 121
6 Instruments & Instrumentation 1407 10% 0% 160
7 Engineering, General 1278 7% 0% 116
8 Computer Science, Theory & Methods 880 7% 0% 113
9 Engineering, Aerospace 670 3% 0% 53
10 Computer Science, Interdisciplinary Applications 449 5% 0% 82

Address terms


Rank Term Chi square Shr. of publ. in
class containing
term		 Class's shr. of
term's tot. occurrences		 #P with
term in
class
1 COMPUTAT PROTOTYPING GRP 38214 0% 100% 2
2 UR INFORMAT AUTOMAT 38214 0% 100% 2
3 WE LAY AUTOMOT G029 38214 0% 100% 2
4 SECT AUTOMAT CONTROL 34665 0% 26% 7
5 AUTOMATED MODELING 28657 0% 50% 3
6 ENGN MATH EC35 24562 0% 43% 3
7 ACCESS LINAEUS 19107 0% 100% 1
8 CIENCIAS DPTO INFORMAT AUTOMAT 19107 0% 100% 1
9 EA EQUIPE MIAM UHA 2332 19107 0% 100% 1
10 ECE CAAM 19107 0% 100% 1

Journals


Rank Term Chi square Shr. of publ. in
class containing
term		 Class's shr. of
term's tot. occurrences		 #P with
term in
class
1 IEEE TRANSACTIONS ON AUTOMATIC CONTROL 80816 13% 2% 215
2 INTERNATIONAL JOURNAL OF CONTROL 47619 8% 2% 127
3 SYSTEMS & CONTROL LETTERS 34854 5% 2% 86
4 JOURNAL OF THE FRANKLIN INSTITUTE-ENGINEERING AND APPLIED MATHEMATICS 32442 5% 2% 75
5 INTERNATIONAL JOURNAL OF SYSTEMS SCIENCE 29707 6% 2% 92
6 MATHEMATICAL AND COMPUTER MODELLING OF DYNAMICAL SYSTEMS 18198 1% 4% 22
7 AUTOMATICA 9605 4% 1% 63
8 MATHEMATICS OF CONTROL SIGNALS AND SYSTEMS 9337 1% 3% 15
9 JOURNAL OF DYNAMIC SYSTEMS MEASUREMENT AND CONTROL-TRANSACTIONS OF THE ASME 8472 3% 1% 40
10 IEE PROCEEDINGS-D CONTROL THEORY AND APPLICATIONS 8296 1% 3% 17

Author Key Words


Rank Term Chi square Shr. of publ. in
class containing
term		 Class's shr. of
term's tot. occurrences		 #P with
term in
class		 LCSH search Wikipedia search
1 MODEL REDUCTION 885191 17% 17% 267 Search MODEL+REDUCTION Search MODEL+REDUCTION
2 BALANCED TRUNCATION 683568 4% 59% 61 Search BALANCED+TRUNCATION Search BALANCED+TRUNCATION
3 MODEL ORDER REDUCTION 388102 6% 20% 101 Search MODEL+ORDER+REDUCTION Search MODEL+ORDER+REDUCTION
4 BALANCED REALIZATION 339774 2% 52% 34 Search BALANCED+REALIZATION Search BALANCED+REALIZATION
5 CONTROLLER REDUCTION 298525 2% 63% 25 Search CONTROLLER+REDUCTION Search CONTROLLER+REDUCTION
6 HANKEL SINGULAR VALUES 195642 1% 64% 16 Search HANKEL+SINGULAR+VALUES Search HANKEL+SINGULAR+VALUES
7 GRAMIANS 161443 1% 65% 13 Search GRAMIANS Search GRAMIANS
8 H 2 APPROXIMATION 154763 1% 90% 9 Search H+2+APPROXIMATION Search H+2+APPROXIMATION
9 ORDER REDUCTION 139057 2% 20% 36 Search ORDER+REDUCTION Search ORDER+REDUCTION
10 MOMENT MATCHING 123756 2% 23% 28 Search MOMENT+MATCHING Search MOMENT+MATCHING

Core articles
The table includes core articles in the class. The following variables is taken into account for the relevance score of an article in a cluster c:
(1) Number of references referring to publications in the class.
(2) Share of total number of active references referring to publications in the class.
(3) Age of the article. New articles get higher score than old articles.
(4) Citation rate, normalized to year.


Rank Reference # ref.
in cl.		 Shr. of ref. in
cl.		 Citations
1 GHAFOOR, A , SREERAM, V , (2008) A SURVEY/REVIEW OF FREQUENCY-WEIGHTED BALANCED MODEL REDUCTION TECHNIQUES.JOURNAL OF DYNAMIC SYSTEMS MEASUREMENT AND CONTROL-TRANSACTIONS OF THE ASME. VOL. 130. ISSUE 6. P. - 29 97% 8
2 BAUR, U , BENNER, P , FENG, LH , (2014) MODEL ORDER REDUCTION FOR LINEAR AND NONLINEAR SYSTEMS: A SYSTEM-THEORETIC PERSPECTIVE.ARCHIVES OF COMPUTATIONAL METHODS IN ENGINEERING. VOL. 21. ISSUE 4. P. 331 -358 48 42% 16
3 SINGH, V , (2005) OBTAINING ROUTH-PADE APPROXIMANTS USING THE LUUS-JAAKOLA ALGORITHM.IEE PROCEEDINGS-CONTROL THEORY AND APPLICATIONS. VOL. 152. ISSUE 2. P. 129 -132 26 100% 6
4 BULTHEEL, A , VANBAREL, M , (1986) PADE TECHNIQUES FOR MODEL-REDUCTION IN LINEAR-SYSTEM THEORY - A SURVEY.JOURNAL OF COMPUTATIONAL AND APPLIED MATHEMATICS. VOL. 14. ISSUE 3. P. 401 -438 67 74% 84
5 LELIC, M , (2002) AN OVERVIEW OF BALANCING ORDER REDUCTION TECHNIQUES USING THE METHOD OF SINGULAR PERTURBATIONS AND NEW ALTERNATIVE TECHNIQUES.DYNAMICS OF CONTINUOUS DISCRETE AND IMPULSIVE SYSTEMS-SERIES B-APPLICATIONS & ALGORITHMS. VOL. 9. ISSUE 2. P. 293 -315 29 85% 1
6 SINGH, V , CHANDRA, D , KAR, H , (2004) IMPROVED ROUTH-PADE APPROXIMANTS: A COMPUTER-AIDED APPROACH.IEEE TRANSACTIONS ON AUTOMATIC CONTROL. VOL. 49. ISSUE 2. P. 292-296 22 100% 26
7 FENG, JE , LAM, J , SHU, Z , WANG, Q , (2010) INTERNAL POSITIVITY PRESERVED MODEL REDUCTION.INTERNATIONAL JOURNAL OF CONTROL. VOL. 83. ISSUE 3. P. 575-584 24 77% 10
8 WANG, XL , JIANG, YL , (2014) ON MODEL REDUCTION OF K-POWER BILINEAR SYSTEMS.INTERNATIONAL JOURNAL OF SYSTEMS SCIENCE. VOL. 45. ISSUE 9. P. 1978 -1990 20 87% 0
9 WANG, XL , JIANG, YL , (2012) MODEL REDUCTION OF BILINEAR SYSTEMS BASED ON LAGUERRE SERIES EXPANSION.JOURNAL OF THE FRANKLIN INSTITUTE-ENGINEERING AND APPLIED MATHEMATICS. VOL. 349. ISSUE 3. P. 1231-1246 21 81% 12
10 XIAO, ZH , JIANG, YL , (2016) MULTI-ORDER ARNOLDI-BASED MODEL ORDER REDUCTION OF SECOND-ORDER TIME-DELAY SYSTEMS.INTERNATIONAL JOURNAL OF SYSTEMS SCIENCE. VOL. 47. ISSUE 12. P. 2925 -2934 21 68% 1

Classes with closest relation at Level 1


Rank Class id link
1 14267 NONLINEAR MATRIX EQUATION//NONSYMMETRIC ALGEBRAIC RICCATI EQUATION//POSITIVE DEFINITE SOLUTION
2 33108 OPTIMIZAT SYST THEORY//COVARIANCE EXTENSION//RATIONAL COVARIANCE EXTENSION
3 19578 PARTIAL ELEMENT EQUIVALENT CIRCUIT PEEC//PEEC//MODEL ORDER REDUCTION MOR
4 9060 GAP METRIC//PERFORMANCE LIMITATIONS//AUTOMATION & CONTROL SYSTEMS
5 23872 UDU FACTORISATION//OPTIMAL PROJECTION EQUATIONS//ACOUSTIC RADAR
6 26482 IMMITTANCE ALGORITHMS//CRITICAL STABILITY CONSTRAINTS//DISCRETE TIME SYSTEM STABILITY
7 20528 SUBSPACE IDENTIFICATION//SUBSPACE METHODS//EXOGENOUS INPUTS
8 23182 SIMPLE ADAPTIVE CONTROL//JOURNAL OF INTERDISCIPLINARY MODELING AND SIMULATION//LARGE FLEXIBLE SPACECRAFT
9 4296 PROPER ORTHOGONAL DECOMPOSITION//REDUCED BASIS METHOD//REDUCED ORDER MODEL
10 11868 STRUCTURED SINGULAR VALUE//LOOP TRANSFER RECOVERY//MULTIVARIABLE STABILITY MARGIN

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