Design and Analysis of a Novel Compliant Mechanism with RPR Degrees of Freedom
Abstract A novel compliant mechanism with RPR degrees of freedom (DOF) is proposed where R and P represent rotation and translation DOFs, respectively. The proposed compliant mechanism is obtained from dimension synthesizing a 2-RPU-UPR rigid parallel mechanism with the method of optimization of mot...
| Main Authors: | , , |
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| Format: | Article |
| Language: | English |
| Published: |
SpringerOpen
2022-10-01
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| Series: | Chinese Journal of Mechanical Engineering |
| Subjects: | |
| Online Access: | https://doi.org/10.1186/s10033-022-00777-2 |
| _version_ | 1811238919224688640 |
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| author | Shuang Zhang Jingfang Liu Huafeng Ding |
| author_facet | Shuang Zhang Jingfang Liu Huafeng Ding |
| author_sort | Shuang Zhang |
| collection | DOAJ |
| description | Abstract A novel compliant mechanism with RPR degrees of freedom (DOF) is proposed where R and P represent rotation and translation DOFs, respectively. The proposed compliant mechanism is obtained from dimension synthesizing a 2-RPU-UPR rigid parallel mechanism with the method of optimization of motion/force transfer characteristic. R, P and U represent rotation, translation and universal pairs, respectively. Firstly, inverse kinematics and Jacobian matrix are analyzed for the dimensional synthesis. Then, output transmission indexes of branches in the parallel mechanism are given. Dimensional synthesis is completed based on the normalized design parameter. And optimization of flexure joints based on constrained energy is carried out. Afterwards, the novel compliant mechanism is obtained by direct replacing method. Mechanical model of the compliant mechanism including static stiffness and input stiffness is built based on the pseudo-rigid body modeling method and virtual work principle. Finally, FEA simulation by Ansys Workbench is carried out to verify DOF, effectiveness of the dimension synthesis, and compliant model. Optimization of motion/force transfer characteristic is first applied for the design of compliant mechanisms to suppress drift of rotation axis in the paper. |
| first_indexed | 2024-04-12T12:50:43Z |
| format | Article |
| id | doaj.art-96ab300fc5224f6cba9581e67ed2539c |
| institution | Directory Open Access Journal |
| issn | 1000-9345 2192-8258 |
| language | English |
| last_indexed | 2024-04-12T12:50:43Z |
| publishDate | 2022-10-01 |
| publisher | SpringerOpen |
| record_format | Article |
| series | Chinese Journal of Mechanical Engineering |
| spelling | doaj.art-96ab300fc5224f6cba9581e67ed2539c2022-12-22T03:32:29ZengSpringerOpenChinese Journal of Mechanical Engineering1000-93452192-82582022-10-0135111310.1186/s10033-022-00777-2Design and Analysis of a Novel Compliant Mechanism with RPR Degrees of FreedomShuang Zhang0Jingfang Liu1Huafeng Ding2College of Mechanical Engineering and Applied Electronics Technology, Beijing University of TechnologyCollege of Mechanical Engineering and Applied Electronics Technology, Beijing University of TechnologyCollege of Mechanical Engineering and Applied Electronics Technology, Beijing University of TechnologyAbstract A novel compliant mechanism with RPR degrees of freedom (DOF) is proposed where R and P represent rotation and translation DOFs, respectively. The proposed compliant mechanism is obtained from dimension synthesizing a 2-RPU-UPR rigid parallel mechanism with the method of optimization of motion/force transfer characteristic. R, P and U represent rotation, translation and universal pairs, respectively. Firstly, inverse kinematics and Jacobian matrix are analyzed for the dimensional synthesis. Then, output transmission indexes of branches in the parallel mechanism are given. Dimensional synthesis is completed based on the normalized design parameter. And optimization of flexure joints based on constrained energy is carried out. Afterwards, the novel compliant mechanism is obtained by direct replacing method. Mechanical model of the compliant mechanism including static stiffness and input stiffness is built based on the pseudo-rigid body modeling method and virtual work principle. Finally, FEA simulation by Ansys Workbench is carried out to verify DOF, effectiveness of the dimension synthesis, and compliant model. Optimization of motion/force transfer characteristic is first applied for the design of compliant mechanisms to suppress drift of rotation axis in the paper.https://doi.org/10.1186/s10033-022-00777-2Compliant mechanismRPR degrees of freedomMotion/force transfer characteristicMechanical modelOptimization |
| spellingShingle | Shuang Zhang Jingfang Liu Huafeng Ding Design and Analysis of a Novel Compliant Mechanism with RPR Degrees of Freedom Chinese Journal of Mechanical Engineering Compliant mechanism RPR degrees of freedom Motion/force transfer characteristic Mechanical model Optimization |
| title | Design and Analysis of a Novel Compliant Mechanism with RPR Degrees of Freedom |
| title_full | Design and Analysis of a Novel Compliant Mechanism with RPR Degrees of Freedom |
| title_fullStr | Design and Analysis of a Novel Compliant Mechanism with RPR Degrees of Freedom |
| title_full_unstemmed | Design and Analysis of a Novel Compliant Mechanism with RPR Degrees of Freedom |
| title_short | Design and Analysis of a Novel Compliant Mechanism with RPR Degrees of Freedom |
| title_sort | design and analysis of a novel compliant mechanism with rpr degrees of freedom |
| topic | Compliant mechanism RPR degrees of freedom Motion/force transfer characteristic Mechanical model Optimization |
| url | https://doi.org/10.1186/s10033-022-00777-2 |
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