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Volume 13
Issue 12
10.3390/pr13123881
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This is an early access version, the complete PDF, HTML, and XML versions will be available soon.
Article

Multi-Algorithm Collaborative Method for External Dimension Inspection of Engineering Vehicles

by
Fengyu Wu
1,
Fangcheng Xie
2,
Maoqian Hu
1,
Xinkai Wang
3 and
Minggang Zheng
3,*
1
Linyi Power Supply Company of State Grid Shandong Electric Power Company, Linyi 276002, China
2
Yantai Penglai District Power Supply Company of State Grid Shandong Electric Power Company, Yantai 264001, China
3
School of Mechanical Engineering, Shandong Jianzhu University, Jinan 250101, China
*
Author to whom correspondence should be addressed.
Processes 2025, 13(12), 3881; https://doi.org/10.3390/pr13123881 (registering DOI)
Submission received: 22 September 2025 / Revised: 12 November 2025 / Accepted: 25 November 2025 / Published: 1 December 2025
(This article belongs to the Section AI-Enabled Process Engineering)
Versions Notes

Abstract

Aiming at the technical challenges of large dust interference, complex measurement parameters, and high real-time requirements in the automated sampling scenario of iron powder transportation vehicles, a method for external dimension detection that integrates laser radar and multi-algorithm collaboration is proposed. By improving ICP point cloud registration, Moving Least Squares surface reconstruction (MLS+), and Gaussian mixture model (GMM-EM) algorithms, the full process automation measurement of carriage length/width/height, top angle coordinates, and reinforcement positions is achieved. Experiments have shown that the system maintains a stable measurement error within ±5 cm and a single-frame processing time of ≤2.1 s in environments with PM2.5 ≤ 500μg/m3, providing an innovative solution for intelligent detection in industrial scenarios.
Keywords: external dimensions; automatic measurement; laser radar; point cloud processing external dimensions; automatic measurement; laser radar; point cloud processing

Share and Cite

MDPI and ACS Style

Wu, F.; Xie, F.; Hu, M.; Wang, X.; Zheng, M. Multi-Algorithm Collaborative Method for External Dimension Inspection of Engineering Vehicles. Processes 2025, 13, 3881. https://doi.org/10.3390/pr13123881

AMA Style

Wu F, Xie F, Hu M, Wang X, Zheng M. Multi-Algorithm Collaborative Method for External Dimension Inspection of Engineering Vehicles. Processes. 2025; 13(12):3881. https://doi.org/10.3390/pr13123881

Chicago/Turabian Style

Wu, Fengyu, Fangcheng Xie, Maoqian Hu, Xinkai Wang, and Minggang Zheng. 2025. "Multi-Algorithm Collaborative Method for External Dimension Inspection of Engineering Vehicles" Processes 13, no. 12: 3881. https://doi.org/10.3390/pr13123881

APA Style

Wu, F., Xie, F., Hu, M., Wang, X., & Zheng, M. (2025). Multi-Algorithm Collaborative Method for External Dimension Inspection of Engineering Vehicles. Processes, 13(12), 3881. https://doi.org/10.3390/pr13123881

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