Journal
JOURNAL OF THERMAL SPRAY TECHNOLOGY
Volume 28, Issue 5, Pages 939-945Publisher
SPRINGER
DOI: 10.1007/s11666-019-00871-3
Keywords
cold spray; curve discrete; free-form surface; geodesics; optimal trajectory
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Funding
- National Natural Science Foundation of China [61603281]
- Fundamental Research Funds for the Central Universities [WUT: 2017IVB038]
- Open Funds of the Key Lab of Digital Signal and Image Processing of Guangdong Province [2017GDDSIPL-04]
- WUT Start-Up Grant [40120173]
- Strategic Scientist Plan of Wuhan University of Technology
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This paper presents a geodesic-based robot trajectory planning approach to fulfill the increasingly high reproducibility and coating quality requirements for cold spray applications. First, on the basis of Gauss-Bonnet theorem, the selection of a reference curve is discussed with the aim of minimizing the entire length of subsequent offset curves. An index sequence-based offset curve is created, and its discrete algorithm is then introduced to generate the optimal trajectory. Finally, a comparative experiment and analysis indicate that the presented trajectory planning approach can achieve coating thickness homogeneity.
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