{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,2,21]],"date-time":"2026-02-21T05:49:06Z","timestamp":1771652946190,"version":"3.50.1"},"reference-count":16,"publisher":"Emerald","issue":"1","content-domain":{"domain":[],"crossmark-restriction":false},"short-container-title":[],"published-print":{"date-parts":[[2023,1,2]]},"abstract":"<jats:sec>\n                  <jats:title>Purpose<\/jats:title>\n                  <jats:p>Automatic robots can improve the efficiency of liquefied petroleum gas (LPG) tank inspection and maintenance, but it is difficult to achieve high-precision spatial positioning and navigation on tank surfaces. The purpose of this paper is to develop a spatial positioning robotic system for tank inspection. The robot can accurately identify and track weld paths. The positioning system can complete robot\u2019s spatial positioning on tank surfaces.<\/jats:p>\n               <\/jats:sec>\n               <jats:sec>\n                  <jats:title>Design\/methodology\/approach<\/jats:title>\n                  <jats:p>A tank inspection robot with curvature-adaptive transmission mechanisms is designed in this study. A weld path recognition method based on deep learning is proposed to accurately identify and extract weld paths. Integrated multiple sensors, the positioning system is developed to improve the robot\u2019s spatial positioning accuracy. Experiments are conducted on a cylindrical tank to test weld seam tracking accuracy and spatial positioning performance of the robotic system. The practicality of the robotic system is then verified in field tests.<\/jats:p>\n               <\/jats:sec>\n               <jats:sec>\n                  <jats:title>Findings<\/jats:title>\n                  <jats:p>The robot can accurately identify and track weld seams with a maximum drift angle of 4\u00b0 and a maximum offset distance of \u00b130 mm. The positioning system has excellent positioning accuracy and stability. The maximum angle and height errors are 3\u00b0 and 0.08 m, respectively.<\/jats:p>\n               <\/jats:sec>\n               <jats:sec>\n                  <jats:title>Originality\/value<\/jats:title>\n                  <jats:p>The positioning system can improve the autonomous performance of inspection robots and solve the problems of weld path recognition and spatial positioning. Application of the robotic system can promote the automatic inspection and maintenance of LPG tanks.<\/jats:p>\n               <\/jats:sec>","DOI":"10.1108\/ir-03-2022-0076","type":"journal-article","created":{"date-parts":[[2022,6,24]],"date-time":"2022-06-24T12:11:39Z","timestamp":1656072699000},"page":"70-83","source":"Crossref","is-referenced-by-count":8,"title":["Spatial positioning robotic system for autonomous inspection of LPG tanks"],"prefix":"10.1108","volume":"50","author":[{"given":"Jie","family":"Li","sequence":"first","affiliation":[{"name":"Southeast University School of Mechanical Engineering, , Nanjing,","place":["China"]}]},{"given":"Jiyuan","family":"Wu","sequence":"additional","affiliation":[{"name":"Southeast University School of Mechanical Engineering, , Nanjing,","place":["China"]}]},{"given":"Chunlei","family":"Tu","sequence":"additional","affiliation":[{"name":"Southeast University School of Mechanical Engineering, , Nanjing,","place":["China"]}]},{"given":"Xingsong","family":"Wang","sequence":"additional","affiliation":[{"name":"Southeast University School of Mechanical Engineering, , Nanjing,","place":["China"]}]}],"member":"140","published-online":{"date-parts":[[2022,6,28]]},"reference":[{"issue":"2","key":"2025072821033867900_ref001","doi-asserted-by":"crossref","first-page":"157","DOI":"10.1108\/01439910510582282","article-title":"RobTank Inspec - in service robotized inspection tool for hazardous products storage tanks","volume":"32","author":"Correia Da Cruz","year":"2005","journal-title":"Industrial Robot: An International Journal"},{"issue":"5","key":"2025072821033867900_ref002","doi-asserted-by":"crossref","first-page":"634","DOI":"10.1108\/IR-04-2018-0074","article-title":"Adaptable legged-magnetic adhesion tracked wheel robotic platform for misaligned mooring chain climbing and inspection","volume":"45","author":"Dissanayake","year":"2018","journal-title":"Industrial Robot: An 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