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Enhancing On-Site Construction Machinery Handling through 3D Spatial Gesture-Based Trajectory Interpreter Modeling

  • Du LI (Department of Building and Real Estate, Faculty of Construction and Environment, The Hong Kong Polytechnic University) ;
  • Ying WANG (Department of Building and Real Estate, Faculty of Construction and Environment, The Hong Kong Polytechnic University) ;
  • Hung-Lin CHI (Department of Building and Real Estate, Faculty of Construction and Environment, The Hong Kong Polytechnic University)
  • Published : 2024.07.29

Abstract

In construction projects, the safety and productivity of machinery operations are of paramount importance. Contemporary research and industry endeavors predominantly concentrate on equipping machine operators with sensory information and establishing a comprehensive situation-aware operating environment, such as virtual reality-based machine manipulation training. However, significant limitations exist in direct information exchange and processing by on-site personnel. Notably, research on analyzing communication patterns in construction machinery operations remains scarce despite its critical role in preventing hazardous instructions/actions and enhancing machinery work efficiency. Thus, this research aims to (1) develop a novel interpreter modeling system predicated on millimeter-wave radar technology and (2) select the crane as an illustration to investigate the potential applications of this emerging communication paradigm during construction machinery operations. In this investigation, a spatial gesture signal interpreter was devised specifically for machine operators and signalers to augment the quality of communication during the execution of spatial localization tasks. Corresponding limitations that will be encountered in current communication systems were also addressed. This research uses a 60 GHz millimeter wave radar as a gesture trajectory detector, with the benefits of portability and robustness. Its millimeter-level precision enables the capture of highly accurate micro-gestures. The research constructs a novel 3D Spatial Gesture-based Trajectory Modeling system, which will be compared with traditional communication models in future research stages.

Keywords

Acknowledgement

The authors would like to thank the Research Grants Council, Hong Kong, for their funding support under the General Research Fund (PolyU 25221519).

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