Advanced finite-set model predictive control for power electronics and electrical drives:
Gespeichert in:
1. Verfasser: | |
---|---|
Format: | Abschlussarbeit Buch |
Sprache: | English |
Veröffentlicht: |
2014
|
Schlagworte: | |
Online-Zugang: | kostenfrei https://nbn-resolving.org/urn:nbn:de:bvb:91-diss-20140612-1172825-0-6 Inhaltsverzeichnis |
Beschreibung: | VIII, 149 S. graph. Darst. |
Internformat
MARC
LEADER | 00000nam a2200000 c 4500 | ||
---|---|---|---|
001 | BV041954750 | ||
003 | DE-604 | ||
005 | 20140808 | ||
007 | t | ||
008 | 140704s2014 d||| m||| 00||| eng d | ||
035 | |a (OCoLC)882963150 | ||
035 | |a (DE-599)BVBBV041954750 | ||
040 | |a DE-604 |b ger |e rakwb | ||
041 | 0 | |a eng | |
049 | |a DE-384 |a DE-473 |a DE-703 |a DE-1051 |a DE-824 |a DE-29 |a DE-12 |a DE-91 |a DE-19 |a DE-1049 |a DE-92 |a DE-739 |a DE-898 |a DE-355 |a DE-706 |a DE-20 |a DE-1102 | ||
082 | 0 | |a 621.3 | |
100 | 1 | |a Stolze, Peter Johannes |e Verfasser |4 aut | |
245 | 1 | 0 | |a Advanced finite-set model predictive control for power electronics and electrical drives |c Peter Johannes Stolze |
264 | 1 | |c 2014 | |
300 | |a VIII, 149 S. |b graph. Darst. | ||
336 | |b txt |2 rdacontent | ||
337 | |b n |2 rdamedia | ||
338 | |b nc |2 rdacarrier | ||
502 | |a München, Techn. Univ., Diss., 2014 | ||
655 | 7 | |0 (DE-588)4113937-9 |a Hochschulschrift |2 gnd-content | |
776 | 0 | 8 | |i Erscheint auch als |n Online-Ausgabe |o urn:nbn:de:bvb:91-diss-20140612-1172825-0-6 |
856 | 4 | 1 | |u https://mediatum.ub.tum.de/node?id=1172825 |x Verlag |z kostenfrei |3 Volltext |
856 | 4 | |u https://nbn-resolving.org/urn:nbn:de:bvb:91-diss-20140612-1172825-0-6 |x Resolving-System | |
856 | 4 | 2 | |m DNB Datenaustausch |q application/pdf |u http://bvbr.bib-bvb.de:8991/F?func=service&doc_library=BVB01&local_base=BVB01&doc_number=027397650&sequence=000001&line_number=0001&func_code=DB_RECORDS&service_type=MEDIA |3 Inhaltsverzeichnis |
912 | |a ebook | ||
999 | |a oai:aleph.bib-bvb.de:BVB01-027397650 |
Datensatz im Suchindex
_version_ | 1804152338085052416 |
---|---|
adam_text | LEHRSTUHL FIIR ELEKTRISCHE ANTRIEBSSYSTEME UND LEISTUNGSELEKTRONIK
DER TECHNISCHEN UNIVERSITAT MUNCHEN
ADVANCED FINITE-SET MODEL PREDICTIVE CONTROL
FOR POWER ELECTRONICS AND ELECTRICAL DRIVES
PETER JOHANNES STOLZE
VOLLSTANDIGER ABDRUCK DER VON DER FAKULTAT FUR ELEKTROTECHNIK UND
INFORMATIONS-
TECHNIK DER TECHNISCHEN UNIVERSITAT MIINCHEN ZUR ERLANGUNG DES
AKADEMISCHEN
GRADES EINES
DOKTOR-INGENIEURS
GENEHMIGLEN DISSERTATION.
VORSITZENDER: UNIV.-PROF. DR.-ING. HANS-GEORG HERZOG
PRILFER DER DISSERTATION:
1. UNIV.-PROF. DR.-ING. RALPH KENNEL
2. UNIV.-PROF. DR.-ING. JOACHIM HOLTZ. EM.
(BEQJISCHE UNIVERSITAT WUPPERTAL)
DIE DISSERTATION WURDE AM 01.10.2013 BEI DER TECHNISCHEN UNIVERSITAT
MIINCHEN
EINGEREICHT UND DURCH DIE FAKULTIIT FUR ELEKTROTECHNIK UND
INFORMATIONSTECHNIK AM
14.01.2014 ANGENOMMEN.
HTTP://D-NB.INFO/1056891262
CONTENTS III
CONTENTS
1 INTRODUCTION 1
2 BACKGROUND AND MOTIVATION 5
2.1 MATHEMATICAL SYMBOLS AND DEFINITIONS S
2.2 PHYSICAL VALUES AND UNITS 6
2.3 DISCRETIZATION OF DIFFERENTIAL EQUATIONS 6
2.3.1 CONTINOUS-TIME STATE-SPACE SYSTEM REPRESENTATION 6
2.3.2 DISCRETE-TIME STATE-SPACE SYSTEM REPRESENTATION 6
2.3.3 EXACT DISCRETIZATION AND APPROXIMATIONS 6
2.3.3.1 EXACT DISCRETIZATION 7
2.3.3.2 EULER-FORWARD DISCRETIZATION 7
2.3.3.3 EULER-BACKWARDS DISCRETIZATION . . 7
2.3.3.4 HIGHER-ORDER DISCRETIZATION METHODS 7
2.4 THREE-PHASE SYSTEM AND SPACE VECTOR NOTATION 7
2.4.1 CLARICE TRANSFORMATION 7
2.4.2 PARK TRANSFORMATION 9
2.5 PHYSICAL SYSTEMS 9
2.5.1 TWO-LEVEL INVERTER 9
2.5.1.1 BASIC WORKING PRINCIPLE 9
2.5.1.2 VOLTAGE VECTORS 10
2.5.2 THREE-LEVEL NEUTRAL POINT CLAMPED INVERTER 11
2.5.2.1 BASIC WORKING PRINCIPLE 11
2.5.2.2 VOLTAGE VECTORS 12
2.5.2.3 VOLTAGE BALANCING 13
2.5.3 THREE-LEVEL FLYING CAPACITOR INVERTER 14
2.5.3.1 BASIC WORKING PRINCIPLE 14
2.5.3.2 VOLTAGE VECTORS 14
2.5.3.3 VOLTAGE BALANCING 15
2.5.4 NATURAL VOLTAGE BALANCING MECHANISMS 16
2.5.5 RESISTIVE-INDUCTIVE LOAD 16
2.5.6 LC LOWPASS-FILTER 16
2.5.7 INDUCTION MACHINE 17
IV CONTENTS
2.6 STATE OF THE ART IN CONTROL OF ELECTRICAL DRIVE SYSTEMS 19
2.6.1 CONVENTIONAL CONTROLLERS AND PULSE WIDTH MODULATION 19
2.6.2 FIELD ORIENTED CONTROL 21
2.6.2.1 BASIC PRINCIPLE 21
2.6.2.2 ROTOR FLUX ESTIMATION 22
2.6.2.3 FOC BLOCK DIAGRAM 23
2.6.3 DIRECT TORQUE CONTROL 24
2.6.3.1 BASIC PRINCIPLE 24
2.6.3.2 LOOKUP TABLE FOR DIRECT TORQUE CONTROL 25
2.6.4 DISCUSSION AND EVALUATION 26
2.7 MODEL PREDICTIVE CONTROL 28
2.7.1 BASIC IDEA 28
2.7.2 HISTORICAL BACKGROUND 29
2.7.3 MPC FOR POWER ELECTRONICS AND ELECTRICAL DRIVE SYSTEMS 29
2.7.4 MPC WITH CONTINUOUS-VALUED INPUT SETS 29
2.7.5 MPC WITH FINITE INPUT SETS 29
2.7.5.1 BASIC PRINCIPLE 29
2.7.5.2 GENERAL ALGORITHM FLOW GRAPH 30
2.7.5.3 ADVANTAGES 32
2.7.5.4 PROBLEMS 32
2.8 GOALS OF THIS WORK 34
3 REAL-TIME IMPLEMENTATION OF CONTROL ALGORITHMS 37
3.1 SOFTWARE-BASED REAL-TIME IMPLEMENTATION 37
3.1.1 TIME DELAY COMPENSATION 37
3.1.2 TWO-LEVEL INVERTER TEST BENCH 39
3.1.3 THREE-LEVEL INVERTER TEST BENCH 39
3.2 HARDWARE-BASED REAL-TIME IMPLEMENTATION 41
3.3 COMPARISON 42
4 PREDICTIVE TORQUE CONTROL FOR
INDUCTION MACHINES 43
4.1 BASIC PREDICTIVE TORQUE CONTROL ALGORITHM 43
4.1.1 PREDICTION EQUATIONS 44
4.1.2 CONTROL ALGORITHM 44
4.1.2.1 BASIC PRINCIPLE 44
4.1.2.2 COST FUNCTION 44
4.1.2.3 SWITCHING STATE SELECTION 45
4.1.3 EXPERIMENTAL RESULTS 46
4.1.4 EVALUATION 49
4.2 VARIABLE SWITCHING POINT PREDICTIVE TORQUE CONTROL 50
4.2.1 MOTIVATION AND BASIC PRINCIPLE 50
4.2.2 CONTROL ALGORITHM 51
4.2.3 CALCULATION OF THE VARIABLE SWITCHING TIME POINT 51
4.2.4 EXPERIMENTAL RESULTS 52
4.2.5 EVALUATION 55
CONTENTS V
4.3 PTC FOR THREE-LEVEL NPC INVERTERS 55
4.3.1 VOLTAGE BALANCING EXTENSION 55
4.3.2 CONTROL ALGORITHM 55
4.3.3 COST FUNCTION 56
4.3.4 EXPERIMENTAL RESULTS 56
4.3.5 EVALUATION 59
4.4 VSP2TC FOR THREE-LEVEL NPC INVERTERS 59
4.4.1 CONTROL ALGORITHM 59
4.4.2 EXPERIMENTAL RESULTS 60
4.4.3 EVALUATION 61
4.5 PTC FOR THREE-LEVEL FC INVERTERS 61
4.5.1 DECOUPLING OF VOLTAGE VECTOR AND SWITCHING STATE SELECTION 61
4.5.2 CONTROL ALGORITHM 62
4.5.3 EXPERIMENTAL RESULTS 63
4.5.4 EVALUATION 65
5 PREDICTIVE CURRENT CONTROL FOR INDUCTION MACHINES 67
5.1 BASIC PREDICTIVE CURRENT CONTROL ALGORITHM 68
5.1.1 BASIC EQUATIONS 68
5.1.2 CONTROL ALGORITHM 69
5.1.3 EXPERIMENTAL RESULTS 70
5.1.4 EVALUATION 73
5.2 HEURISTIC FINITE-SET MODEL PREDICTIVE CURRENT CONTROL 73
5.2.1 MOTIVATION 73
5.2.2 BASIC PRINCIPLE 74
5.2.3 VALIDATION OF THE HEURISTIC PRESELECTION PRINCIPLE 75
5.2.4 DETERMINATION OF THE CONTINUOUS-VALUED OPTIMUM 77
5.2.5 SYSTEM DESCRIPTION FOR THE CONTINUOUS-VALUED OPTIMIZATION 78
5.2.6 BINARY SEARCH TREE 79
5.2.7 SECTOR DETERMINATION 80
5.2.8 EXPERIMENTAL RESULTS 81
5.2.9 EVALUATION 82
5.3 VARIABLE SWITCHING POINT PREDICTIVE CURRENT CONTROL 82
5.3.1 BASIC IDEA 82
5.3.2 CALCULATION OF THE VARIABLE SWITCHING TIME POINT 83
5.3.3 CONTROL ALGORITHM 84
5.3.4 EXPERIMENTAL RESULTS 84
5.3.5 EVALUATION 86
5.4 VSP2CC WITH HEURISTIC VOLTAGE VECTOR PRESELECTION 87
5.4.1 CONTROL ALGORITHM. .- 87
5.4.2 EXPERIMENTAL RESULTS 87
5.4.3 EVALUATION 87
5.5 PCC FOR THREE-LEVEL NPC INVERTERS 88
5.5.1 DC LINK CAPACITOR VOLTAGE BALANCING 88
5.5.2 CONTROL ALGORITHMS 88
VI CONTENTS
5.5.2.1 BASIC PCC ALGORITHM FOR THREE-LEVEL NPC INVERTERS 89
5.5.2.2 HEURISTIC VOLTAGE VECTOR PRESELECTION 89
5.5.2.3 VSP2CC FOR THREE-LEVEL NPC INVERTERS 90
5.5.2.4 VSP2CC WITH HEURISTIC VOLTAGE VECTOR PRESELECTION 91
5.5.3 EXPERIMENTAL RESULTS 91
5.5.3.1 PCC 91
5.5.3.2 PCC WITH HEURISTIC VOLTAGE VECTOR PRESELECTION 93
5.5.3.3 VSP2CC 94
5.5.3.4 VSP2CC WITH HEURISTIC VOLTAGE VECTOR PRESELECTION 96
5.5.4 EVALUATION 98
5.6 PCC FOR THREE-LEVEL FC INVERTERS 98
5.6.1 CONTROL ALGORITHMS 98
5.6.1.1 BASIC PCC ALGORITHM FOR THREE-LEVEL FC INVERTERS 99
5.6.1.2 HEURISTIC VOLTAGE VECTOR PRESELECTION 99
5.6.1.3 VSP2CC 99
5.6.1.4 VSP2CC WITH HEURISTIC VOLTAGE VECTOR PRESELECTION 100
5.6.2 PENALTIES ON THE CONTROL ACTION 100
5.6.3 EXPERIMENTAL RESULTS 101
5.6.3.1 PCC 101
5.6.3.2 PCC WITH HEURISTIC VOLTAGE VECTOR PRESELECTION 102
5.6.3.3 VSP2CC 107
5.6.3.4 VSP2CC WITH HEURISTIC VOLTAGE VECTOR PRESELECTION 108
5.6.4 EVALUATION 110
6 OVERSAMPLING FINITE-SET MODEL PREDICTIVE CONTROL 111
6.1 BASIC IDEA ILL
6.2 PRACTICAL REALIZATION 114
6.3 CONTROL ALGORITHMS 115
6.3.1 RESISTIVE-INDUCTIVE LOAD 115
6.3.2 UPS APPLICATION 116
6.3.3 VOLTAGE BALANCING 117
6.3.4 LIMITATION OF THE SWITCHING FREQUENCY 118
6.4 EXPERIMENTAL RESULTS 118
6.4.1 THREE-LEVEL NEUTRAL POINT CLAMPED INVERTER 118
6.4.2 THREE-LEVEL FLYING CAPACITOR INVERTER 123
6.5 EVALUATION 124
7 CONCLUSION 125
7.1 SUMMARY 125
7.2 FINAL EVALUATION 126
7.3 OUTLOOK 127
A LIST OF SYMBOLS AND ABBREVIATIONS 129
A. 1 LIST OF SYMBOLS 129
A.2 LIST OF ABBREVIATIONS 131
CONTENTS VII
B TEST BENCH DATA 133
B.L TWO-LEVEL INVERTER LEST BENCH 133
B.L.L REAL-TIME COMPUTER SYSTEM 133
B.L.2 INVERTERS 134
B.L.3 INDUCTION MACHINES 134
B.2 THREE-LEVEL INVERTER TEST BENCH 135
B.2.1 REAL-TIME COMPUTER SYSTEM 135
B.2.2 THREE-LEVEL INVERTER 136
B.2.3 INDUCTION MACHINE 136
B.3 FPGA-BASED TEST BENCH 137
B.3.1 FPGA BOARD 137
B.3.2 TWO-LEG THREE-LEVEL INVERTER 137
B.3.3 LOADS 137
LIST OF FIGURES 139
LIST OF TABLES 143
BIBLIOGRAPHY 145
|
any_adam_object | 1 |
author | Stolze, Peter Johannes |
author_facet | Stolze, Peter Johannes |
author_role | aut |
author_sort | Stolze, Peter Johannes |
author_variant | p j s pj pjs |
building | Verbundindex |
bvnumber | BV041954750 |
collection | ebook |
ctrlnum | (OCoLC)882963150 (DE-599)BVBBV041954750 |
dewey-full | 621.3 |
dewey-hundreds | 600 - Technology (Applied sciences) |
dewey-ones | 621 - Applied physics |
dewey-raw | 621.3 |
dewey-search | 621.3 |
dewey-sort | 3621.3 |
dewey-tens | 620 - Engineering and allied operations |
discipline | Elektrotechnik / Elektronik / Nachrichtentechnik |
format | Thesis Book |
fullrecord | <?xml version="1.0" encoding="UTF-8"?><collection xmlns="http://www.loc.gov/MARC21/slim"><record><leader>01527nam a2200337 c 4500</leader><controlfield tag="001">BV041954750</controlfield><controlfield tag="003">DE-604</controlfield><controlfield tag="005">20140808 </controlfield><controlfield tag="007">t</controlfield><controlfield tag="008">140704s2014 d||| m||| 00||| eng d</controlfield><datafield tag="035" ind1=" " ind2=" "><subfield code="a">(OCoLC)882963150</subfield></datafield><datafield tag="035" ind1=" " ind2=" "><subfield code="a">(DE-599)BVBBV041954750</subfield></datafield><datafield tag="040" ind1=" " ind2=" "><subfield code="a">DE-604</subfield><subfield code="b">ger</subfield><subfield code="e">rakwb</subfield></datafield><datafield tag="041" ind1="0" ind2=" "><subfield code="a">eng</subfield></datafield><datafield tag="049" ind1=" " ind2=" "><subfield code="a">DE-384</subfield><subfield code="a">DE-473</subfield><subfield code="a">DE-703</subfield><subfield code="a">DE-1051</subfield><subfield code="a">DE-824</subfield><subfield code="a">DE-29</subfield><subfield code="a">DE-12</subfield><subfield code="a">DE-91</subfield><subfield code="a">DE-19</subfield><subfield code="a">DE-1049</subfield><subfield code="a">DE-92</subfield><subfield code="a">DE-739</subfield><subfield code="a">DE-898</subfield><subfield code="a">DE-355</subfield><subfield code="a">DE-706</subfield><subfield code="a">DE-20</subfield><subfield code="a">DE-1102</subfield></datafield><datafield tag="082" ind1="0" ind2=" "><subfield code="a">621.3</subfield></datafield><datafield tag="100" ind1="1" ind2=" "><subfield code="a">Stolze, Peter Johannes</subfield><subfield code="e">Verfasser</subfield><subfield code="4">aut</subfield></datafield><datafield tag="245" ind1="1" ind2="0"><subfield code="a">Advanced finite-set model predictive control for power electronics and electrical drives</subfield><subfield code="c">Peter Johannes Stolze</subfield></datafield><datafield tag="264" ind1=" " ind2="1"><subfield code="c">2014</subfield></datafield><datafield tag="300" ind1=" " ind2=" "><subfield code="a">VIII, 149 S.</subfield><subfield code="b">graph. Darst.</subfield></datafield><datafield tag="336" ind1=" " ind2=" "><subfield code="b">txt</subfield><subfield code="2">rdacontent</subfield></datafield><datafield tag="337" ind1=" " ind2=" "><subfield code="b">n</subfield><subfield code="2">rdamedia</subfield></datafield><datafield tag="338" ind1=" " ind2=" "><subfield code="b">nc</subfield><subfield code="2">rdacarrier</subfield></datafield><datafield tag="502" ind1=" " ind2=" "><subfield code="a">München, Techn. Univ., Diss., 2014</subfield></datafield><datafield tag="655" ind1=" " ind2="7"><subfield code="0">(DE-588)4113937-9</subfield><subfield code="a">Hochschulschrift</subfield><subfield code="2">gnd-content</subfield></datafield><datafield tag="776" ind1="0" ind2="8"><subfield code="i">Erscheint auch als</subfield><subfield code="n">Online-Ausgabe</subfield><subfield code="o">urn:nbn:de:bvb:91-diss-20140612-1172825-0-6</subfield></datafield><datafield tag="856" ind1="4" ind2="1"><subfield code="u">https://mediatum.ub.tum.de/node?id=1172825</subfield><subfield code="x">Verlag</subfield><subfield code="z">kostenfrei</subfield><subfield code="3">Volltext</subfield></datafield><datafield tag="856" ind1="4" ind2=" "><subfield code="u">https://nbn-resolving.org/urn:nbn:de:bvb:91-diss-20140612-1172825-0-6</subfield><subfield code="x">Resolving-System</subfield></datafield><datafield tag="856" ind1="4" ind2="2"><subfield code="m">DNB Datenaustausch</subfield><subfield code="q">application/pdf</subfield><subfield code="u">http://bvbr.bib-bvb.de:8991/F?func=service&doc_library=BVB01&local_base=BVB01&doc_number=027397650&sequence=000001&line_number=0001&func_code=DB_RECORDS&service_type=MEDIA</subfield><subfield code="3">Inhaltsverzeichnis</subfield></datafield><datafield tag="912" ind1=" " ind2=" "><subfield code="a">ebook</subfield></datafield><datafield tag="999" ind1=" " ind2=" "><subfield code="a">oai:aleph.bib-bvb.de:BVB01-027397650</subfield></datafield></record></collection> |
genre | (DE-588)4113937-9 Hochschulschrift gnd-content |
genre_facet | Hochschulschrift |
id | DE-604.BV041954750 |
illustrated | Illustrated |
indexdate | 2024-07-10T01:09:07Z |
institution | BVB |
language | English |
oai_aleph_id | oai:aleph.bib-bvb.de:BVB01-027397650 |
oclc_num | 882963150 |
open_access_boolean | 1 |
owner | DE-384 DE-473 DE-BY-UBG DE-703 DE-1051 DE-824 DE-29 DE-12 DE-91 DE-BY-TUM DE-19 DE-BY-UBM DE-1049 DE-92 DE-739 DE-898 DE-BY-UBR DE-355 DE-BY-UBR DE-706 DE-20 DE-1102 |
owner_facet | DE-384 DE-473 DE-BY-UBG DE-703 DE-1051 DE-824 DE-29 DE-12 DE-91 DE-BY-TUM DE-19 DE-BY-UBM DE-1049 DE-92 DE-739 DE-898 DE-BY-UBR DE-355 DE-BY-UBR DE-706 DE-20 DE-1102 |
physical | VIII, 149 S. graph. Darst. |
psigel | ebook |
publishDate | 2014 |
publishDateSearch | 2014 |
publishDateSort | 2014 |
record_format | marc |
spelling | Stolze, Peter Johannes Verfasser aut Advanced finite-set model predictive control for power electronics and electrical drives Peter Johannes Stolze 2014 VIII, 149 S. graph. Darst. txt rdacontent n rdamedia nc rdacarrier München, Techn. Univ., Diss., 2014 (DE-588)4113937-9 Hochschulschrift gnd-content Erscheint auch als Online-Ausgabe urn:nbn:de:bvb:91-diss-20140612-1172825-0-6 https://mediatum.ub.tum.de/node?id=1172825 Verlag kostenfrei Volltext https://nbn-resolving.org/urn:nbn:de:bvb:91-diss-20140612-1172825-0-6 Resolving-System DNB Datenaustausch application/pdf http://bvbr.bib-bvb.de:8991/F?func=service&doc_library=BVB01&local_base=BVB01&doc_number=027397650&sequence=000001&line_number=0001&func_code=DB_RECORDS&service_type=MEDIA Inhaltsverzeichnis |
spellingShingle | Stolze, Peter Johannes Advanced finite-set model predictive control for power electronics and electrical drives |
subject_GND | (DE-588)4113937-9 |
title | Advanced finite-set model predictive control for power electronics and electrical drives |
title_auth | Advanced finite-set model predictive control for power electronics and electrical drives |
title_exact_search | Advanced finite-set model predictive control for power electronics and electrical drives |
title_full | Advanced finite-set model predictive control for power electronics and electrical drives Peter Johannes Stolze |
title_fullStr | Advanced finite-set model predictive control for power electronics and electrical drives Peter Johannes Stolze |
title_full_unstemmed | Advanced finite-set model predictive control for power electronics and electrical drives Peter Johannes Stolze |
title_short | Advanced finite-set model predictive control for power electronics and electrical drives |
title_sort | advanced finite set model predictive control for power electronics and electrical drives |
topic_facet | Hochschulschrift |
url | https://mediatum.ub.tum.de/node?id=1172825 https://nbn-resolving.org/urn:nbn:de:bvb:91-diss-20140612-1172825-0-6 http://bvbr.bib-bvb.de:8991/F?func=service&doc_library=BVB01&local_base=BVB01&doc_number=027397650&sequence=000001&line_number=0001&func_code=DB_RECORDS&service_type=MEDIA |
work_keys_str_mv | AT stolzepeterjohannes advancedfinitesetmodelpredictivecontrolforpowerelectronicsandelectricaldrives |