Dynamic Modeling and Nonlinear Vibration Research of the Rotary Cutting Mechanism Based on Bond Graphs
The quality of the cut end surface of pipelines is one of the important factors to ensure the safe operation of the pipeline system. However, the existence of nonlinear factors in the pipeline cutting process may lead to chaos, quasi-periodic and other harmful vibration of the pipe cutting machine,...
Saved in:
| Main Authors: | , , , , , |
|---|---|
| Format: | Article |
| Language: | zho |
| Published: |
Editorial Office of Journal of Mechanical Transmission
2024-05-01
|
| Series: | Jixie chuandong |
| Subjects: | |
| Online Access: | http://www.jxcd.net.cn/thesisDetails#10.16578/j.issn.1004.2539.2024.05.004 |
| Tags: |
Add Tag
No Tags, Be the first to tag this record!
|
| _version_ | 1841546956119212032 |
|---|---|
| author | Zhao Jiayi Gao Yiyang Zhao Changzhen Rao Xiaobo Ding Shunliang Gao Jianshe |
| author_facet | Zhao Jiayi Gao Yiyang Zhao Changzhen Rao Xiaobo Ding Shunliang Gao Jianshe |
| author_sort | Zhao Jiayi |
| collection | DOAJ |
| description | The quality of the cut end surface of pipelines is one of the important factors to ensure the safe operation of the pipeline system. However, the existence of nonlinear factors in the pipeline cutting process may lead to chaos, quasi-periodic and other harmful vibration of the pipe cutting machine, which may affect the cutting accuracy and quality. Therefore, revealing the mechanism of dynamic instability of the pipe cutting machine to avoid the harmful vibration is the key to improve the operation performance and cutting accuracy. In this study, the dynamic model of the rotary cutting mechanism of a rotary pipe cutter is established based on the bond graph theory, the key dynamic parameters are determined by calculating the sensitivity, and the bifurcation mechanism of key parameters is revealed comprehensively by using the bifurcation diagram, the Lyapunov exponent diagram, the phase diagram and the time response diagram. The results show that with the changes of the excitation amplitude, the excitation frequency and the elastic coefficient of the base, complex dynamic behaviors such as the period-doubling bifurcation, Hopf bifurcation, the chaos and the coexistence of attractors will exist in the system, resulting in vibration and sudden change of the motion that seriously reduce cutting quality. The results provide reference for the subsequent dynamic performance optimization and vibration suppression of the mechanism. |
| format | Article |
| id | doaj-art-b0631abde8834280b06514fdcf8c7b95 |
| institution | Kabale University |
| issn | 1004-2539 |
| language | zho |
| publishDate | 2024-05-01 |
| publisher | Editorial Office of Journal of Mechanical Transmission |
| record_format | Article |
| series | Jixie chuandong |
| spelling | doaj-art-b0631abde8834280b06514fdcf8c7b952025-01-10T15:00:33ZzhoEditorial Office of Journal of Mechanical TransmissionJixie chuandong1004-25392024-05-0148243259003794Dynamic Modeling and Nonlinear Vibration Research of the Rotary Cutting Mechanism Based on Bond GraphsZhao JiayiGao YiyangZhao ChangzhenRao XiaoboDing ShunliangGao JiansheThe quality of the cut end surface of pipelines is one of the important factors to ensure the safe operation of the pipeline system. However, the existence of nonlinear factors in the pipeline cutting process may lead to chaos, quasi-periodic and other harmful vibration of the pipe cutting machine, which may affect the cutting accuracy and quality. Therefore, revealing the mechanism of dynamic instability of the pipe cutting machine to avoid the harmful vibration is the key to improve the operation performance and cutting accuracy. In this study, the dynamic model of the rotary cutting mechanism of a rotary pipe cutter is established based on the bond graph theory, the key dynamic parameters are determined by calculating the sensitivity, and the bifurcation mechanism of key parameters is revealed comprehensively by using the bifurcation diagram, the Lyapunov exponent diagram, the phase diagram and the time response diagram. The results show that with the changes of the excitation amplitude, the excitation frequency and the elastic coefficient of the base, complex dynamic behaviors such as the period-doubling bifurcation, Hopf bifurcation, the chaos and the coexistence of attractors will exist in the system, resulting in vibration and sudden change of the motion that seriously reduce cutting quality. The results provide reference for the subsequent dynamic performance optimization and vibration suppression of the mechanism.http://www.jxcd.net.cn/thesisDetails#10.16578/j.issn.1004.2539.2024.05.004Rotary cutting mechanismBond graphSensitivity analysisBifurcation and chaosNonlinear vibration |
| spellingShingle | Zhao Jiayi Gao Yiyang Zhao Changzhen Rao Xiaobo Ding Shunliang Gao Jianshe Dynamic Modeling and Nonlinear Vibration Research of the Rotary Cutting Mechanism Based on Bond Graphs Jixie chuandong Rotary cutting mechanism Bond graph Sensitivity analysis Bifurcation and chaos Nonlinear vibration |
| title | Dynamic Modeling and Nonlinear Vibration Research of the Rotary Cutting Mechanism Based on Bond Graphs |
| title_full | Dynamic Modeling and Nonlinear Vibration Research of the Rotary Cutting Mechanism Based on Bond Graphs |
| title_fullStr | Dynamic Modeling and Nonlinear Vibration Research of the Rotary Cutting Mechanism Based on Bond Graphs |
| title_full_unstemmed | Dynamic Modeling and Nonlinear Vibration Research of the Rotary Cutting Mechanism Based on Bond Graphs |
| title_short | Dynamic Modeling and Nonlinear Vibration Research of the Rotary Cutting Mechanism Based on Bond Graphs |
| title_sort | dynamic modeling and nonlinear vibration research of the rotary cutting mechanism based on bond graphs |
| topic | Rotary cutting mechanism Bond graph Sensitivity analysis Bifurcation and chaos Nonlinear vibration |
| url | http://www.jxcd.net.cn/thesisDetails#10.16578/j.issn.1004.2539.2024.05.004 |
| work_keys_str_mv | AT zhaojiayi dynamicmodelingandnonlinearvibrationresearchoftherotarycuttingmechanismbasedonbondgraphs AT gaoyiyang dynamicmodelingandnonlinearvibrationresearchoftherotarycuttingmechanismbasedonbondgraphs AT zhaochangzhen dynamicmodelingandnonlinearvibrationresearchoftherotarycuttingmechanismbasedonbondgraphs AT raoxiaobo dynamicmodelingandnonlinearvibrationresearchoftherotarycuttingmechanismbasedonbondgraphs AT dingshunliang dynamicmodelingandnonlinearvibrationresearchoftherotarycuttingmechanismbasedonbondgraphs AT gaojianshe dynamicmodelingandnonlinearvibrationresearchoftherotarycuttingmechanismbasedonbondgraphs |