| 摘要 | 第7-8页 |
| Abstract | 第8页 |
| Chapter 1 Introduction | 第20-28页 |
| 1.1 Objectives | 第20页 |
| 1.2 Background | 第20-22页 |
| 1.3 Literature review | 第22-23页 |
| 1.4 The finite element/contact mechanics method | 第23-25页 |
| 1.5 Modeling and researching strategy | 第25页 |
| 1.5.1 Modeling the bearing | 第25页 |
| 1.5.2 Modeling the planetary gear | 第25页 |
| 1.6 Contribution of this research | 第25-26页 |
| 1.7 Scope and organization of this research | 第26-28页 |
| Chapter 2 Properties of rolling element planet bearings | 第28-38页 |
| 2.1 Description of the bearing model | 第28-29页 |
| 2.2 Bearing stiffness calculation | 第29-30页 |
| 2.3 Parametric studies | 第30-38页 |
| 2.3.1 Parametric study on bearing clearance | 第30-32页 |
| 2.3.2 Parametric study on bearing load | 第32-33页 |
| 2.3.3 Discussions on bearing parametric studies | 第33-38页 |
| Chapter 3 Quasi-static analysis of two-dimensional planetary gear model with stiffness matrix bearings | 第38-44页 |
| 3.1 Description of the two-dimensional planetary gear model | 第38-39页 |
| 3.2 Quasi-static analysis | 第39-43页 |
| 3.2.1 Central member response | 第39-40页 |
| 3.2.2 Mesh stiffness calculation | 第40-41页 |
| 3.2.3 Planet load sharing | 第41-43页 |
| 3.3 Dynamic analysis | 第43-44页 |
| Chapter 4 Quasi-static analysis of two-dimensional planetary gear model with full contact bearings | 第44-62页 |
| 4.1 Comparison of planetary gear models with stiffness matrix bearings and full contact bearings | 第44-49页 |
| 4.1.1 Carrier rotational deflection | 第44-48页 |
| 4.1.2 Planet load sharing | 第48-49页 |
| 4.2 Parametric studies | 第49-56页 |
| 4.2.1 Parametric study on bearing clearance | 第49-52页 |
| 4.2.1.1 Carrier rotational deflection | 第49-51页 |
| 4.2.1.2 Planet load sharing | 第51-52页 |
| 4.2.2 Parametric study on planetary gear input torque | 第52-54页 |
| 4.2.2.1 Carrier rotational deflection | 第53-54页 |
| 4.2.2.2 Planet load sharing | 第54页 |
| 4.2.3 Discussion on planetary gear parametric studies | 第54-56页 |
| 4.3 Effect of planet rim compliance | 第56页 |
| 4.4 Error case study | 第56-62页 |
| Chapter 5 Static analysis of three-dimensional planetary gear model with full contact bearings | 第62-74页 |
| 5.1 Description of the model | 第62-64页 |
| 5.2 Static analysis on model with cylindrical bearings | 第64-68页 |
| 5.2.1 Bearing race deformation | 第64-65页 |
| 5.2.2 Tooth root stress | 第65-67页 |
| 5.2.3 Tooth contact pressure | 第67页 |
| 5.2.4 Static transmission error | 第67-68页 |
| 5.2.5 Load sharing factor | 第68页 |
| 5.3 Static analysis on model with spherical bearings | 第68-72页 |
| 5.3.1 Bearing race deformation | 第70-71页 |
| 5.3.2 Tooth root stress | 第71-72页 |
| 5.3.3 Tooth contact pressure, static transmission error, and load sharing factor | 第72页 |
| 5.4 Discussions | 第72-74页 |
| Chapter 6 Static analysis of three-dimensional planetary gear model with stiffness matrix bearings | 第74-86页 |
| 6.1 Description of the model | 第74页 |
| 6.2 Static analysis with varying bearing stiffness | 第74-78页 |
| 6.2.1 Bearing race deformation | 第75-76页 |
| 6.2.2 Tooth root stress | 第76-77页 |
| 6.2.3 Tooth contact pressure, static transmission error, and load sharing factor | 第77-78页 |
| 6.3 Static analysis with tuned bearing race thickness and compliance | 第78-83页 |
| 6.3.1 Bearing race deformation and tooth root stress with tuning bearing race thickness | 第79-81页 |
| 6.3.2 Bearing race deformation and tooth root stress with tuning bearing race compliance | 第81-83页 |
| 6.3.3 Tooth contact pressure, static transmission error, and load sharing factor undertuned bearing race thickness and compliance | 第83页 |
| 6.4 Discussions | 第83-86页 |
| Chapter 7 Static analysis on two-dimensional planetary gear model as simplified three-dimensionalmodel | 第86-94页 |
| 7.1 Description of the planetary gear model | 第86页 |
| 7.2 Static analysis of model with full contact bearings | 第86-90页 |
| 7.2.1 Bearing race deformation | 第87-88页 |
| 7.2.2 Tooth root stress | 第88-89页 |
| 7.2.3 Tooth contact pressure, static transmission error, and load sharing factor in two-dimensional model with full contact bearings | 第89-90页 |
| 7.3 Static analysis of model with stiffness matrix bearings | 第90-91页 |
| 7.4 Discussions | 第91-94页 |
| Chapter 8 Conclusions and future work | 第94-96页 |
| 8.1 Conclusions | 第94-95页 |
| 8.2 Limitations in this research and future work | 第95-96页 |
| Acknowledgements | 第96-98页 |
| Appendix A | 第98-100页 |
| Appendix B | 第100-102页 |
| Appendix C | 第102-106页 |
| Appendix D | 第106-108页 |
| Bibliography | 第108-110页 |
