Subterranean openings, including mines, present a unique and challenging environment for
robots and autonomous exploration systems. Autonomous robots that are created today will …

The Defense Advanced Research Projects Agency (DARPA) Subterranean Challenge
represented a multiyear (2018–2021), competition-based initiative to inspire and shape the …

This paper presents a modular autonomous Unmanned Aerial Vehicle (UAV) platform called
the Multi-robot System (MRS) Drone that can be used in a large range of indoor and outdoor …

Although the use of multiple unmanned aerial vehicles (UAVs) has great potential for fast
autonomous exploration, it has received far too little attention. In this article, we present a …

In the past ten years, the use of 3D Time-of-Flight (ToF) LiDARs in mobile robotics has
grown rapidly. Based on our accumulation of relevant research, this article systematically …

The recent advancement of deep reinforcement learning (DRL) contributed to robotics by
allowing automatic controller design. The automatic controller design is a crucial approach …

This paper presents a state-of-the-art tethered unmanned aerial vehicle (TUAV) for structural
integrity assessment of underground stone mine pillars. The TUAV, powered by its tether …

This letter tackles the challenge of autonomous target search using unmanned aerial
vehicles (UAVs) in complex unknown environments. To fill the gap in systematic approaches …

Driven by advancements in Industry 4.0, the Internet of Things (IoT), digital twins (DT), and
cyber–physical systems (CPS), there is a growing interest in the digitalizing of asset integrity …

We present a method for autonomous exploration of large-scale unknown environments
under mission time con-straints. We start by proposing the Frontloaded Information Gain …