KMS Of Academy of mathematics and systems sciences, CAS
| Minimum Time Trajectory Optimization of CNC Machining with Tracking Error Constraints | |
| Zhang, Qiang1; Li, Shurong1; Guo, Jianxin2 | |
| 2014 | |
| Source Publication | ABSTRACT AND APPLIED ANALYSIS
 |
| ISSN | 1085-3375 |
| Pages | 15 |
| Abstract | An off-line optimization approach of high precision minimum time feedrate for CNC machining is proposed. Besides the ordinary considered velocity, acceleration, and jerk constraints, dynamic performance constraint of each servo drive is also considered in this optimization problem to improve the tracking precision along the optimized feedrate trajectory. Tracking error is applied to indicate the servo dynamic performance of each axis. By using variable substitution, the tracking error constrained minimum time trajectory planning problem is formulated as a nonlinear path constrained optimal control problem. Bang-bang constraints structure of the optimal trajectory is proved in this paper; then a novel constraint handling method is proposed to realize a convex optimization based solution of the nonlinear constrained optimal control problem. A simple ellipse feedrate planning test is presented to demonstrate the effectiveness of the approach. Then the practicability and robustness of the trajectory generated by the proposed approach are demonstrated by a butterfly contour machining example. |
| DOI | 10.1155/2014/835098 |
| Language | 英语 |
| Funding Project | Foundation of UPC for the Author of National Excellent Doctoral Dissertation[120501A] ; Natural Science Foundation of Shandong Province[ZR2012FQ020] |
| WOS Research Area | Mathematics |
| WOS Subject | Mathematics, Applied ; Mathematics |
| WOS ID | WOS:000343429500001 |
| Publisher | HINDAWI PUBLISHING CORPORATION |
| Citation statistics | |
| Document Type | 期刊论文 |
| Identifier | http://ir.amss.ac.cn/handle/2S8OKBNM/27137 |
| Collection | 中国科学院数学与系统科学研究院 |
| Corresponding Author | Zhang, Qiang |
| Affiliation | 1.China Univ Petr East China, Coll Informat & Control Engn, Qingdao 266580, Peoples R China 2.Chinese Acad Sci, NCMIS, Beijing 100190, Peoples R China |
| Recommended Citation GB/T 7714 | Zhang, Qiang,Li, Shurong,Guo, Jianxin. Minimum Time Trajectory Optimization of CNC Machining with Tracking Error Constraints[J]. ABSTRACT AND APPLIED ANALYSIS,2014:15. |
| APA | Zhang, Qiang,Li, Shurong,&Guo, Jianxin.(2014).Minimum Time Trajectory Optimization of CNC Machining with Tracking Error Constraints.ABSTRACT AND APPLIED ANALYSIS,15. |
| MLA | Zhang, Qiang,et al."Minimum Time Trajectory Optimization of CNC Machining with Tracking Error Constraints".ABSTRACT AND APPLIED ANALYSIS (2014):15. |
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