- ISSN 0258-2724
- CN 51-1277/U
- EI Compendex
- Scopus
- Indexed by Core Journals of China, Chinese S&T Journal Citation Reports
- Chinese S&T Journal Citation Reports
- Chinese Science Citation Database
| Citation: | QIN Jian, ZHANG Feikai, LI Qiying, LIU Chen. Automatic Search Method for Trestle Position of Freight Cableways[J]. Journal of Southwest Jiaotong University, 2022, 57(5): 1096-1102. doi: 10.3969/j.issn.0258-2724.20210106
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As there is a lack of automatic search method for trestle positions of freight cableways, three methods, namely convex-point traversal method, terrain adaption method, and interference-point search method, are proposed, all of which can search trestle positions automatically on two-dimensional terrain profile. Of them, the convex-point traversal method treats all the convex points on the profile as potential trestle position, and obtains the trestle position by screening the redundant trestle. The terrain adaption method determines the trestle position by the interference condition between the carrying rope curve of the cableway and the terrain during the descent of the carrying rope. In the interference-point search method, the trestle positions are picked by adding intermediate trestle at the maximum interference position between the carrying rope curve and the terrain. The success rate of these methods are 9.12%, 8.38% and 8.26%, respectively, which show little difference. However, the search speed of the interference-point search method is 5.8 times and 3.5 times the convex-point traversal method and the terrain adaption method, respectively. Therefore, in field applications, it is suggested to use the fastest interference-point search method to search the trestle position for the freight cableway of transmission lines automatically.
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