| ABSTRACT | 第1-5页 |
| 摘要 | 第5-6页 |
| CONTENTS | 第6-7页 |
| 1 Introduction | 第7-15页 |
| ·presentation of the stranded wire Helical Spring | 第7-8页 |
| ·Example of Engineering Application | 第8-13页 |
| ·Automatic weapon launch system recoil spring | 第9-10页 |
| ·Springs and aero-engine vibration isolator for support of external piping | 第10-11页 |
| ·Car instrumentation, multi-strand shock absorber spring | 第11页 |
| ·Mountain bike rear suspension damping device | 第11-12页 |
| ·Other aspects of the application | 第12-13页 |
| ·Purpose of this research | 第13-15页 |
| 2 Mathematical model of Stranded Wire Helical Spring | 第15-29页 |
| ·A precise mathematical model | 第16-21页 |
| ·An approximate mathematical model | 第21-24页 |
| ·Comparison and analysis | 第24-27页 |
| ·Applications software for computing the twist angle | 第27-29页 |
| 3 Machine design and Experiments | 第29-33页 |
| ·Non-contact and multi-channel detection system design | 第29-30页 |
| ·Operating principle of the mechanical structure | 第30-31页 |
| ·Sensors installation | 第31页 |
| ·Mechanical structure of sensors installation | 第31-33页 |
| 4 The detection system of the machine | 第33-37页 |
| ·Data acquisition and Data analysis | 第33-34页 |
| ·The method of data processing | 第34-37页 |
| ·Modeling of data processing | 第34页 |
| ·Analytical procedures of data processing | 第34-37页 |
| 5 Experiments and Result Analysis | 第37-54页 |
| ·System composition | 第37-39页 |
| ·Non-contact and multi-channel test system | 第37-39页 |
| ·Gasholder characteristic | 第39页 |
| ·Compressor characteristic | 第39页 |
| ·safety control | 第39-40页 |
| ·Test conditions | 第40页 |
| ·Results | 第40-43页 |
| ·Analysis | 第43-54页 |
| ·The movement of some typical particles at different moments | 第43-52页 |
| ·The movement of all particles in a certain moment | 第52-54页 |
| Conclusion and future work | 第54-55页 |
| Acknowledgement | 第55-56页 |
| Appendix | 第56-59页 |
| References | 第59-61页 |
