2024 R&D 100 Award for Real-Time Evaluator for Fast and Accurate Installation of Prefabricated Components

The Real-Time Evaluator, or RTE, improves the process for installing prefabricated building components by providing feedback in real time with the use of advanced software, surveying tools and 3D digital models of the building, called digital twins, to guide the precise placement. The tool can align the digital model with the actual building to within an eighth of an inch accuracy. A robotic station guides installation for the direct placement.

Traditionally, installing large, prefabricated parts such as walls and concrete segments involves manual work and communication between workers and crane operators. The process is imprecise and can lead to costly delays. The RTE provides instant feedback and gives builders immediate instructions through a mobile phone application to show how to adjust placement to meet installation requirements. Real-time feedback constantly updates the digital model to minimize errors and improve accuracy. This technology reduces component assembly time by up to 25% and can be used in new buildings and existing infrastructure.

The research was funded by DOE’s Building Technologies Office in the Office of Energy Efficiency and Renewable Energy.

Developing the technology, all from ORNL, are Diana Hun, Nolan Hayes, Bryan Maldonado, Mengjia Tang, Balaji Selvakumar, Peter Wang, Philip Boudreaux and Stephen Killough.