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Contents
Preface
Chapter 1 Introduction 1
1.1 Basic Concepts of Measurement Technology 3
1.2 Contact Measurement Technology 6
1.3 Non-Contact Measurement Technology 7
1.4 Commonly Used Instrumentations 8
1.4.1 Multimeter 8
1.4.2 Oscilloscope 10
1.4.3 Signal Generator 11
1.4.4 DC Power Supply 12
1.4.5 Counters 13
1.4.6 Spectrum Analyzer 13
1.4.7 Thermostat Soldering Station 14
1.5 Data Acquisition Devices 15
1.6 Improving the Laboratory Report 17
1.7 Summary 20
Chapter 2 Static Calibration Experiment 21
2.1 Purposes of the Experiment 21
2.2 Laboratory Instruments and Equipment 22
2.3 Construction and Operating Principles 22
2.3.1 Load Rings 22
2.3.2 Piezoelectric Force Sensor 23
2.3.3 Charge Amplifier 27
2.4 Experimental Procedure 28
2.5 Experimental Data Processing 30
2.6 Lab Report Questions 34
2.7 Summary 36
Chapter 3 Vibration Measurement Experiment 37
3.1 Purposes of the Experiment 38
3.2 Laboratory Instruments and Equipment 39
3.3 Construction and Operating Principles 39
3.3.1 Data Acquisition System 39
3.3.2 Nyquist-Shannon Sampling Theorem 40
3.3.3 Description of the Vibration Signal 41
3.3.4 Virtual Instrument 44
3.3.5 Vibration Velocity Sensor 47
3.3.6 Conveyor Bench 49
3.4 Experimental Procedure 49
3.5 Experimental Data Processing 50
3.6 Lab Report Questions 51
3.7 Summary 53
Chapter 4 Dynamic Characteristic Experiment 54
4.1 Purposes of the Experiment 54
4.2 Laboratory Instruments and Equipment 55
4.3 Construction and Operating Principles 55
4.3.1 Light-Beam Oscillograph 55
4.3.2 Mathematical Model of the Galvanometer 59
4.3.3 Signal Generator 63
4.4 Experimental Procedure 64
4.5 Experimental Data Processing 67
4.6 Lab Report Questions 68
4.7 Summary 69
Chapter 5 Correlation Analysis Experiment 70
5.1 Purposes of the Experiment 70
5.2 Laboratory Instruments and Equipment 71
5.3 Construction and Operating Principles 71
5.3.1 Autocorrelation and Cross-Correlation Function 71
5.3.2 Frequency Detector 72
5.3.3 Detection Principle 73
5.3.4 Correlation Filtering Principle 75
5.3.5 Electronic Oscilloscope 76
5.4 Experimental Procedure 79
5.5 Experimental Data Processing 81
5.6 Lab Report Questions 84
5.7 Summary 84
Chapter 6 Strain Measurement Experiment 85
6.1 Purposes of the Experiment 85
6.2 Laboratory Instruments and Equipment 86
6.3 Construction and Operating Principles 86
6.3.1 Stress and Strain 86
6.3.2 Strain Gauges 88
6.3.3 DC Bridge Circuit 90
6.3.4 Quarter/Half/Full-Bridge Strain Gauge Circuit 91
6.3.5 Unbalanced and Balanced Bridge Circuit 94
6.4 The Bonding of Strain Gauges 96
6.5 Experimental Procedure 99
6.6 Experimental Data Processing 101
6.7 Lab Report Questions 103
6.8 Summary 104
Chapter 7 Independent Innovation Experiment 105
7.1 Purposes of the Experiment 106
7.2 Laboratory Instruments and Sensors 106
7.3 Experimental Hardware Designs 107
7.3.1 Temperature Measurement 108
7.3.2 Pressure Measurement 113
7.3.3 Displacement Measurement 119
7.3.4 Paperless Chart Recorder 125
7.3.5 Signal Conditioning Module 128
7.3.6 Serial Interface 129
7.3.7 USB3104A DAQ Device 130
7.4 LabVIEW Programming Fundamentals 136
7.4.1 Introduction to LabVIEW Programming 136
7.4.2 AI-VI Programming 136
7.4.3 AO-VI Programming 141
7.4.4 DI/DO-VI Programming 144
7.5 Lab Report Questions 147
7.6 Summary 147
References 149
Index 151