Vibrations and noises in small electric motors: measurement, analysis, interpretation, optimization
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| Main Authors: | , |
|---|---|
| Format: | Book |
| Language: | English German |
| Published: |
München
Süddt. Verl. onpact
2012
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| Subjects: | |
| Online Access: | Inhaltsverzeichnis |
| Item Description: | Literaturangaben |
| Physical Description: | 168 S. Ill., graph. Darst. |
| ISBN: | 9783862360352 |
Staff View
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Record in the Search Index
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| adam_text | IMAGE 1
CONTENTS
PREFACE 7
1 INTRODUCTION T O THE TOPIC 13
1.1 BASICS O F VIBRATIONS, STRUCTURE-BORNE NOISE,
AND AIRBORNE NOISE 14
1.2 TRANSMISSION PATHS 18
2 CAUSES O F VIBRATIONS AND NOISES IN SMALL MOTORS 21
2.1 ELECTROMAGNETICALLY INDUCED VIBRATIONS 22
2.1.1 EFFECT O F ELECTRONIC COMMUTATION 2 4
2.1.2 SPECIAL CHARACTERISTICS O F STEPPER MOTORS 2 4
2.2 MECHANICALLY INDUCED CAUSES O F VIBRATIONS IN SMALL MOTORS .. 2 5
2.2.1 VIBRATIONS IN BEARINGS 2 5
2.2.2 VIBRATIONS A T SLIDING CONTACTS 2 7
2.2.3 VIBRATIONS CAUSED B Y IMBALANCE 29
2.2.4 VIBRATIONS WITH GEARED P O W E R TRANSMISSIONS 2 9
2.2.5 PLAY A N D BACKLASH 3 0
3 OPTIONS FOR REDUCING AND OPTIMIZING NOISES 31
3.1 INSULATION AND DEADENING 31
3.2 REDUCING SOUND RADIATION 32
3.3 REDUCING SOUND AND VIBRATION TRANSFER 33
3.4 REDUCING SOUND AND VIBRATION EXCITATION 3 6
3.5 OPTIMIZATION: EFFORTS T O SYSTEMATICALLY INFLUENCE SOUND
AND VIBRATION EXCITATIONS 3 8
9
HTTP://D-NB.INFO/1023658321
IMAGE 2
CONTENTS
4 MECHANICAL OSCILLATIONS 4 0
4.1 BASIC PRINCIPLES O F OSCILLATIONS 4 0
4.2 SINGLE-ELEMENT LINEAR OSCILLATORY SYSTEM 4 1
4.3 MULTIPLE-ELEMENT LINEAR OSCILLATORY SYSTEM 4 5
4.4 MULTIPLE-ELEMENT TORSIONAL OSCILLATION SYSTEM 4 7
4.5 OSCILLATIONS IN SYSTEMS HAVING DISTRIBUTED MASSES
AND ELASTICITIES 4 9
4.6 SPATIAL DISTRIBUTION O F OSCILLATIONS: OSCILLATION MODES 50
4.7 MATHEMATICAL/PHYSICAL ANALYSIS O F THE DECOUPLING O F MOTORS 52
5 BASIC ACOUSTIC CONCEPTS 58
5.1 H O W SOUND IS PROPAGATED 58
5.2 SENSE O F TOUCH AND HEARING: HEARING IN HUMANS 6 6
5.3 EVALUATION O F AUDITORY EVENTS: SUBJECTIVE VARIABLES USED
T O TAKE AUDITORY SENSATION INTO ACCOUNT 72
5.3.1 WEIGHTING CURVES 72
5.3.2 PSYCHOACOUSTIC METRICS 75
5.4 SUBJECTIVE PERCEPTION O F NOISE AND WEIGHTING O F NOISE 7 8
5.4.1 INFLUENCE ON THE PERCEPTION O F NOISE BY
INDIVIDUAL FACTORS 78
5.4.2 EXTERNAL FACTORS A N D THE AMBIENT LEVEL 8 0
5.4.3 EXPECTATIONS 8 0
5.4.4 MISCELLANEOUS 81
5.4.5 PROCEDURE O F TYPICAL AUDITORY TESTS 81
6 MEASURING NOISES AND VIBRATIONS 85
6.1 EQUIPMENT F O R MEASURING AIRBORNE NOISE 85
6.1.1 MICROPHONES 8 5
6.1.2 D U M M Y HEAD 88
6.1.3 MICROPHONE ARRAYS 8 9
6.1.4 METHODS F O R MEASURING AIRBORNE NOISE
WITH MICROPHONES 9 0
6.2 EQUIPMENT F O R MEASURING STRUCTURE-BORNE NOISE 91
6.2.1 ACCELEROMETERS 92
6.2.2 LASER VIBROMETER 9 4
1 0
IMAGE 3
CONTENTS
6.2.3 DISPLACEMENT SENSORS 9 5
6.2.4 FORCE SENSORS 95
6.2.5 METHODS F O R MEASURING STRUCTURE-BORNE NOISE 9 6
6.3 REPRODUCIBLE MEASUREMENT 9 8
6.3.1 ABSOLUTE-VALUE MEASUREMENT 9 9
6.3.2 COMPARISON MEASUREMENT 100
6.4 MEASUREMENT ROOMS 102
6.4.1 ANECHOIC CHAMBER 102
6.4.2 REVERBERATION CHAMBER 102
6.4.3 OTHER MEASUREMENT CHAMBERS A N D BOOTHS 103
6.4.4 PRODUCTION ENVIRONMENT 104
7 ANALYSIS O F NOISES AND VIBRATIONS 106
7.1 GOALS AND OBJECTIVES 106
7.2 BASIC PRINCIPLES O F SIGNAL ANALYSIS 107
7.2.7 SIGNAL PROCESSING 107
7.2.2 FILTERS 109
7.2.3 WINDOWING 109
7.3 BASIC METHODS O F SIGNAL ANALYSIS 110
7.3.1 FAST FOURIER TRANSFORM 110
7.3.2 FAST FOURIER TRANSFORM VS. SHORT-TIME FOURIER
TRANSFORM 111
7.3.3 OCTAVE / ONE-THIRD-OCTAVE ANALYSIS 111
7.3.4 ORDER ANALYSIS 113
7.3.5 WAVELET TRANSFORMATION 115
7.3.6 ENVELOPE ANALYSIS 116
7.4 METHODS F O R NOISE AND VIBRATION ANALYSIS 118
7.4.7 INVESTIGATION O F THE STATIONARY OPERATING P O I N T 118
7.4.2 RUN-UP ANALYSIS 119
7.4.3 NATURAL FREQUENCY ANALYSIS 122
7.4.4 TRANSFER P A T H ANALYSIS 123
7.4.5 OPERATING VIBRATION SHAPE ANALYSIS 123
7.4.6 OVERVIEW O F ANALYSIS METHODS 125
11
IMAGE 4
CONTENTS
8 TESTING VIBRATIONS AND NOISES 128
8.1 GENERAL PRINCIPLES O F VIBRATIONS AND NOISES 128
8.2 NOISE TESTING IN STANDARD PRODUCTION 129
8.2.1 SUBJECTIVE TESTING 131
8.2.2 OBJECTIVE TESTING 132
8.2.3 OBJECTIVELY SUPPORTED SUBJECTIVE TESTING 133
8.3 CAPABILITY O F NOISE TESTS 134
8.3.1 REPRODUCIBILITY 134
8.3.2 CALIBRATABILITY 136
8.3.3 EXAMPLE O F VALIDATION O F CAPABILITY 136
8.4 LIMIT SAMPLES AND TEST STANDARDS F O R NOISE TESTS 139
8.5 STANDARD TEST PROCEDURE F O R NOISE TESTING 141
8.6 SELECTION O F CHARACTERISTICS T O BE TESTED 141
8.7 NEURONAL NETWORKS 146
8.8 IMPLEMENTING NOISE TEST STANDS 146
9 EXAMPLES OF ACTUAL SYSTEMS 149
9.1 ANALYSIS O F A DRIVE UNIT 149
9.2 EVALUATING IMBALANCE 153
9.3 TESTING A GEAR DRIVE BY CHECKING THE SHAFT O U T P U T
SPEED CURVE 157
9.4 NOISE TEST STAND F O R CHECKING GEAR NOISE IN
LARGE-SCALE PRODUCTION 158
10 REFERENCES 162
11 LIST OF FIGURES 164
12 INDEX 167
12
|
| any_adam_object | 1 |
| author | Bertolini, Thomas Fuchs, Thomas |
| author_facet | Bertolini, Thomas Fuchs, Thomas |
| author_role | aut aut |
| author_sort | Bertolini, Thomas |
| author_variant | t b tb t f tf |
| building | Verbundindex |
| bvnumber | BV041075639 |
| classification_rvk | ZN 8270 |
| ctrlnum | (OCoLC)825096657 (DE-599)DNB1023658321 |
| dewey-full | 621.46 |
| dewey-hundreds | 600 - Technology (Applied sciences) |
| dewey-ones | 621 - Applied physics |
| dewey-raw | 621.46 |
| dewey-search | 621.46 |
| dewey-sort | 3621.46 |
| dewey-tens | 620 - Engineering and allied operations |
| discipline | Maschinenbau / Maschinenwesen Elektrotechnik / Elektronik / Nachrichtentechnik |
| format | Book |
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| id | DE-604.BV041075639 |
| illustrated | Illustrated |
| indexdate | 2024-07-10T00:39:01Z |
| institution | BVB |
| isbn | 9783862360352 |
| language | English German |
| oai_aleph_id | oai:aleph.bib-bvb.de:BVB01-026052528 |
| oclc_num | 825096657 |
| open_access_boolean | |
| owner | DE-83 |
| owner_facet | DE-83 |
| physical | 168 S. Ill., graph. Darst. |
| publishDate | 2012 |
| publishDateSearch | 2012 |
| publishDateSort | 2012 |
| publisher | Süddt. Verl. onpact |
| record_format | marc |
| spelling | Bertolini, Thomas Verfasser aut Vibrations and noises in small electric motors measurement, analysis, interpretation, optimization Thomas Bertolini ; Thomas Fuchs München Süddt. Verl. onpact 2012 168 S. Ill., graph. Darst. txt rdacontent n rdamedia nc rdacarrier Literaturangaben Schwingungsdämpfung (DE-588)4180564-1 gnd rswk-swf Kleinmotor (DE-588)4031092-9 gnd rswk-swf Mechanische Welle (DE-588)7582225-8 gnd rswk-swf Elektroantrieb (DE-588)4014238-3 gnd rswk-swf Geräusch (DE-588)4129296-0 gnd rswk-swf Optimierung (DE-588)4043664-0 gnd rswk-swf Elektromagnetische Schwingung (DE-588)4151837-8 gnd rswk-swf Kleinmotor (DE-588)4031092-9 s Elektroantrieb (DE-588)4014238-3 s Elektromagnetische Schwingung (DE-588)4151837-8 s Mechanische Welle (DE-588)7582225-8 s Schwingungsdämpfung (DE-588)4180564-1 s Geräusch (DE-588)4129296-0 s Optimierung (DE-588)4043664-0 s DE-604 Fuchs, Thomas Verfasser aut Paralle Sprachausgabe deutsch Bertolini, Thomas Schwingungen und Geräusche elektrischer Kleinantriebe1 DNB Datenaustausch application/pdf http://bvbr.bib-bvb.de:8991/F?func=service&doc_library=BVB01&local_base=BVB01&doc_number=026052528&sequence=000001&line_number=0001&func_code=DB_RECORDS&service_type=MEDIA Inhaltsverzeichnis |
| spellingShingle | Bertolini, Thomas Fuchs, Thomas Vibrations and noises in small electric motors measurement, analysis, interpretation, optimization Schwingungsdämpfung (DE-588)4180564-1 gnd Kleinmotor (DE-588)4031092-9 gnd Mechanische Welle (DE-588)7582225-8 gnd Elektroantrieb (DE-588)4014238-3 gnd Geräusch (DE-588)4129296-0 gnd Optimierung (DE-588)4043664-0 gnd Elektromagnetische Schwingung (DE-588)4151837-8 gnd |
| subject_GND | (DE-588)4180564-1 (DE-588)4031092-9 (DE-588)7582225-8 (DE-588)4014238-3 (DE-588)4129296-0 (DE-588)4043664-0 (DE-588)4151837-8 |
| title | Vibrations and noises in small electric motors measurement, analysis, interpretation, optimization |
| title_auth | Vibrations and noises in small electric motors measurement, analysis, interpretation, optimization |
| title_exact_search | Vibrations and noises in small electric motors measurement, analysis, interpretation, optimization |
| title_full | Vibrations and noises in small electric motors measurement, analysis, interpretation, optimization Thomas Bertolini ; Thomas Fuchs |
| title_fullStr | Vibrations and noises in small electric motors measurement, analysis, interpretation, optimization Thomas Bertolini ; Thomas Fuchs |
| title_full_unstemmed | Vibrations and noises in small electric motors measurement, analysis, interpretation, optimization Thomas Bertolini ; Thomas Fuchs |
| title_short | Vibrations and noises in small electric motors |
| title_sort | vibrations and noises in small electric motors measurement analysis interpretation optimization |
| title_sub | measurement, analysis, interpretation, optimization |
| topic | Schwingungsdämpfung (DE-588)4180564-1 gnd Kleinmotor (DE-588)4031092-9 gnd Mechanische Welle (DE-588)7582225-8 gnd Elektroantrieb (DE-588)4014238-3 gnd Geräusch (DE-588)4129296-0 gnd Optimierung (DE-588)4043664-0 gnd Elektromagnetische Schwingung (DE-588)4151837-8 gnd |
| topic_facet | Schwingungsdämpfung Kleinmotor Mechanische Welle Elektroantrieb Geräusch Optimierung Elektromagnetische Schwingung |
| url | http://bvbr.bib-bvb.de:8991/F?func=service&doc_library=BVB01&local_base=BVB01&doc_number=026052528&sequence=000001&line_number=0001&func_code=DB_RECORDS&service_type=MEDIA |
| work_keys_str_mv | AT bertolinithomas vibrationsandnoisesinsmallelectricmotorsmeasurementanalysisinterpretationoptimization AT fuchsthomas vibrationsandnoisesinsmallelectricmotorsmeasurementanalysisinterpretationoptimization |