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Proceedings of International Conference on Aerospace System Science and Engineering 2018
Zhongliang Jing
Verlag Springer-Verlag, 2019
ISBN 9789811360619 , 213 Seiten
Format PDF, OL
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Proceedings of International Conference on Aerospace System Science and Engineering 2018
Contents
6
Remote Sensing Image Registration Based on the HEIV Model
8
1 Introduction
9
2 The Basic Method of Image Registration
10
3 Registration Method Based on the HEIV Model and Parameter Estimation
12
3.1 Registration Method Based on the HEIV Model
12
3.2 Method for Calculating Weight of Feature Points in Region of Interest
15
3.3 The Process Flow of Image Registration Based on the HEIV Model
15
4 Experimental Results and Analysis
17
4.1 Registration Experiment Results
17
4.2 Registration Effect Objectively Evaluation
19
5 Summary
21
References
22
Dynamics of Miura Folded Metamaterials
24
1 Introduction
24
2 Origami Modeling and Prototype
25
2.1 Boundary Conditions
27
2.2 Excitation
27
3 Results
27
3.1 Vibration Response of a Single-Degree-of-Freedom Miura Model with Different Crease Stiffness Under Simple Harmonic Force Excitation
28
3.2 Vibration Response of Multi-Degree-of-Freedom Miura Model with Different Stacking Numbers Under Simple Harmonic Force Excitation
29
3.3 Vibration Response of a Single-Degree-of-Freedom Miura Model with Different Crease Stiffness Under Simple Harmonic Displacement Excitation
30
3.4 Vibration Response of Multi-Degree-of-Freedom Miura Model Under Simple Harmonic Displacement Excitation
32
3.5 Impact Response of Multi-layer Stacked Miura Folded Metamaterials with Different Crease Stiffness
33
3.6 Impact Response of Multi-layer Stacked Miura Folded Metamaterials with Different Damping Coefficients
36
3.7 Impact Response of Multi-layer Stacked Miura Folded Metamaterials with Different Load Amplitudes
40
3.8 Impact Response of Multi-layer Stacked Miura Folded Metamaterial Under Pulse Loading
41
4 Conclusion
42
References
44
Error in Sound Source Localization of Phased Microphone Array Caused by Installation Position Deviation of Microphone Array
45
1 Introduction
46
2 Installation Deviation Type and Error Analysis Method
47
2.1 Installation Deviation Type
47
2.2 Methods of Error Analysis
48
3 Error Analysis Results
50
3.1 Stationary Sound Source
50
3.2 Rotating Sound Source
52
3.3 Effect of Grid Resolution on Positioning Error
55
4 Conclusion
55
References
57
A Survey on Object Tracking in Aerial Surveillance
58
1 Introduction
58
2 The Development of UAV Vision
60
2.1 History of UAV Vision
60
2.2 Current Research Institution
60
3 Sensors Used in Aerial Platform
61
4 Aerial Platform Based Object Tracking
61
4.1 Common Framework
62
4.2 Object Tracking Algorithms
64
4.3 Common Datasets
66
4.4 Evaluation Metrics
68
5 Future Directions
69
6 Conclusion
71
References
71
Application and Improvement of Gas Turbine Blades Film Cooling
74
1 Introduction
74
2 Research Status and Challenges
75
2.1 Trend of the Gas Temperature Before the Turbine and Development of Cooling Systems for Blades
75
2.2 Perspective of the Cooling System
77
2.3 Application of Film Cooling
78
2.4 Purpose and Objectives of the Study
92
3 Conclusion
93
References
94
Damage Tolerance Analysis for Repaired Composite Stringer Panels
97
1 Introduction
97
2 Damage Model
98
2.1 Interface Damage Model
99
2.2 Composite Laminate Damage Model
101
3 Skin-Stringer Analytical Model
102
3.1 Geometry Dimension
102
3.2 Finite Element Model
103
4 Conclusion
105
References
107
Digital Image Correlation Method Based on SURF in Airship Envelope Measurement
109
1 Introduction
110
2 Initial Value Estimation Method Based on SURF
111
2.1 The Principle of DIC
111
2.2 The Principle of SURF
113
2.3 The Implementation of DIC Based on SURF
113
3 Experimental Verification and Analysis
115
3.1 The Experiment of Simulate Speckle Image
115
3.2 The Experimental Process on Airship Envelope Specimens
118
4 Conclusions
123
References
124
Dynamic Collision Avoidance Strategy for Unmanned Aerial Vehicles Formation Flight
125
1 Introduction
125
2 Collision Avoidance Strategy
126
2.1 Velocity Obstacle
126
2.2 Acceleration Selection for Single UAV
128
2.3 Formation Keeping and Splitting
129
2.4 Collision Avoidance Within the Formation
132
3 Numerical Simulation
132
3.1 Simulation Conditions
133
3.2 Formation Keeping with Two Obstacles
133
3.3 Formation Splitting
133
3.4 Analysis of the Simulation
136
4 Conclusion
136
References
138
Detection of Acoustic Emission Signal Due to Impact Damage of Composite Materials Based EMD
140
1 Introduction
140
1.1 Background
140
1.2 EMD Technology
142
2 Impact Experiment
143
2.1 Drop-Weight Impact Test
143
2.2 Small-Mass Impact Test
143
3 Results
145
3.1 Drop-Weight Impact Test
145
3.2 Small-Mass Impact Test
152
4 Conclusion
155
References
155
Mathematical Modeling of Heat Transfer Processes in a Wall with a Regular Pseudo-pore Structure
157
1 Introduction
158
1.1 Cooling the Walls of the Combustion Chamber GTE
159
2 Pseudo-pores Structure
161
2.1 Pseudo-pores Structure Efficiency Estimation
162
2.2 Mathematical Modeling of Wall with Pseudo-pores
164
2.3 Manufacturing of GTE Combustion Chamber Wall with Pseudo-pores Structure
167
3 Conclusion
169
References
170
Automatic Power Line Detection for Low-Altitude Aircraft Safety Based on Deep Learning
171
1 Introduction
171
2 Background
172
2.1 Power Line Detection
172
2.2 Machine Learning and Deep Learning
174
3 Related Work
175
3.1 Power Line Detection Based on Traditional Image Processing Method
175
3.2 Power Line Detection Based on Machine Learning
177
4 Method
179
5 Experimental Work
179
5.1 Dataset
179
5.2 Training of the CNN Model
180
6 Results and Discussions
181
6.1 Results
181
6.2 Discussions
182
7 Conclusion
183
References
183
A Method for Enhancing Low-Pressure Ignition of n-Decane Based on Increasing Hydroxyl Free Radicals
186
1 Introduction
187
2 Materials and Apparatus
188
2.1 Chemicals
188
2.2 Characterization
189
3 Results and Discussions
191
3.1 Low-Pressure Ignition Limits of n-decane-based Hybrid Fuels
191
3.2 Measurements of the Reaction Pathway of MDEB/n-decane Oxidization
191
4 Conclusions
195
References
196
A Similarity Comparison Method of Flight Test Points
198
1 Introduction
198
1.1 Research Background
198
1.2 Content of This Article
200
2 Data Modelling of Flight Test Original Data
200
2.1 Current Status of Flight Test Workflow
200
2.2 Flight Test Data Characteristic Analysis
201
2.3 Selection of the Major Parameters and Auxiliary Parameters
201
3 Similarity Comparison Method of Flight Test Points
202
3.1 The Principle of the Method
202
3.2 Major Parameter Similarity Calculation Method
202
3.3 Auxiliary Parameter Similarity Calculation Method
205
3.4 Specific Operation Flow of Similarity Comparison Method
207
4 Application of Similarity Comparison Method
208
4.1 Application Background
208
4.2 The Method Application Process
209
5 Conclusion
211
References
211
Author Index
213
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