UAV Indoor Localization in Construction Environments
Explore the opportunities and challenges of tag-based indoor localization for UAVs in construction environments. Learn how fiducial markers can enhance autonomous flight and navigation, overcoming GPS limitations in indoor spaces. Discover the potential of BIM for cost savings, efficiency, and quality results in construction projects.
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Presentation Transcript
Tag-based Indoor Localization of UAVs in Construction Environments: Opportunities and Challenges in Practice Navid Kayhani,Brenda McCabe,Ahmed Abdelaal,Adam Heins,and Angela P.Schoellig Construction Research Congress 2020 Date:2021/4/28
ABSTRACT Unmanned/Unoccupied aerial vehicles (UAVs) can enhance the collection of informative data in constantly-evolving construction environments, autonomous flight and navigation of UAVs are challenging in indoor environments where the Global Positioning System (GPS) might be denied or unreliable.
BIMBuilding Information Modeling 1. Cost and resource savings 2. Greater efficiency and shorter project lifecycles 3. Improved communications and coordination 4. Higher quality results
TAG-BASED LOCALIZATION Fiducial markers are artificial landmarks represented as patterned tags printed on paper. These tags can be used to provide accurate global six-degree-of-freedom pose estimates for a mobile robot equipped with a camera even when the tags are rotated or placed in different lighting conditions.
CHALLENGES IN PRACTICE 1. Construction sites may be subject to significant changes during short spans of time. 2. Appearing or temporary obstacles may be introduced into the environment 3. Tags are also susceptible to deterioration, occlusion, and unintentional displacement in such an environment. 4. Safety concerns 5. Processing unit
CONCLUSION Although the authors had previously shown the potentials of tag-based indoor localization of UAVs in an experimental setting (Kayhani et al. 2019; Nahangi et al. 2018), the opportunities and challenges in practice remained untouched. This paper investigated and discussed opportunities and challenges of tag-based localization employment in indoor under-execution construction sites.It also proposed some potential solutions for those challenges.
