129 citations · 652 across the 54 of their papers we have counts for
58 papers
Capability-aware Task Allocation and Team Formation Analysis for Cooperative Exploration of Complex Environments
Muhammad Fadhil Ginting, Kyohei Otsu, Mykel J. Kochenderfer +1
To achieve autonomy in complex real-world exploration missions, we consider deployment strategies for a team of robots with heterogeneous autonomy capabilities. In this work, we fo…
Contact-Prioritized Planning of Impact-Resilient Aerial Robots with an Integrated Compliant Arm
Zhichao Liu, Zhouyu Lu, Ali-akbar Agha-mohammadi +1
The article develops an impact-resilient aerial robot (s-ARQ) equipped with a compliant arm to sense contacts and reduce collision impact and featuring a real-time contact force es…
A Multi-step Dynamics Modeling Framework For Autonomous Driving In Multiple Environments
Jason Gibson, Bogdan Vlahov, David Fan +4
Modeling dynamics is often the first step to making a vehicle autonomous. While on-road autonomous vehicles have been extensively studied, off-road vehicles pose many challenging m…
Safe and Efficient Navigation in Extreme Environments using Semantic Belief Graphs
Muhammad Fadhil Ginting, Sung-Kyun Kim, Oriana Peltzer +4
To achieve autonomy in unknown and unstructured environments, we propose a method for semantic-based planning under perceptual uncertainty. This capability is crucial for safe and…
STEP: Stochastic Traversability Evaluation and Planning for Risk-Aware Off-road Navigation; Results from the DARPA Subterranean Challenge
Anushri Dixit, David D. Fan, Kyohei Otsu +3
Although autonomy has gained widespread usage in structured and controlled environments, robotic autonomy in unknown and off-road terrain remains a difficult problem. Extreme, off-…
Adaptive Coverage Path Planning for Efficient Exploration of Unknown Environments
Amanda Bouman, Joshua Ott, Sung-Kyun Kim +5
We present a method for solving the coverage problem with the objective of autonomously exploring an unknown environment under mission time constraints. Here, the robot is tasked w…
FRAME: Fast and Robust Autonomous 3D point cloud Map-merging for Egocentric multi-robot exploration
Nikolaos Stathoulopoulos, Anton Koval, Ali-akbar Agha-mohammadi +1
This article presents a 3D point cloud map-merging framework for egocentric heterogeneous multi-robot exploration, based on overlap detection and alignment, that is independent of…
Fast and Scalable Signal Inference for Active Robotic Source Seeking
Christopher E. Denniston, Oriana Peltzer, Joshua Ott +6
In active source seeking, a robot takes repeated measurements in order to locate a signal source in a cluttered and unknown environment. A key component of an active source seeking…
Sim-to-Real via Sim-to-Seg: End-to-end Off-road Autonomous Driving Without Real Data
John So, Amber Xie, Sunggoo Jung +5
Autonomous driving is complex, requiring sophisticated 3D scene understanding, localization, mapping, and control. Rather than explicitly modelling and fusing each of these compone…
Taxonomy of A Decision Support System for Adaptive Experimental Design in Field Robotics
Jason M. Gregory, Sarah Al-Hussaini, Ali-akbar Agha-mohammadi +1
Experimental design in field robotics is an adaptive human-in-the-loop decision-making process in which an experimenter learns about system performance and limitations through inte…
Risk-aware Meta-level Decision Making for Exploration Under Uncertainty
Joshua Ott, Sung-Kyun Kim, Amanda Bouman +6
Robotic exploration of unknown environments is fundamentally a problem of decision making under uncertainty where the robot must account for uncertainty in sensor measurements, loc…
Present and Future of SLAM in Extreme Underground Environments
Kamak Ebadi, Lukas Bernreiter, Harel Biggie +28
This paper reports on the state of the art in underground SLAM by discussing different SLAM strategies and results across six teams that participated in the three-year-long SubT co…
Self-Supervised Traversability Prediction by Learning to Reconstruct Safe Terrain
Robin Schmid, Deegan Atha, Frederik Schöller +8
Navigating off-road with a fast autonomous vehicle depends on a robust perception system that differentiates traversable from non-traversable terrain. Typically, this depends on a…
PrePARE: Predictive Proprioception for Agile Failure Event Detection in Robotic Exploration of Extreme Terrains
Sharmita Dey, David Fan, Robin Schmid +5
Legged robots can traverse a wide variety of terrains, some of which may be challenging for wheeled robots, such as stairs or highly uneven surfaces. However, quadruped robots face…
LOCUS 2.0: Robust and Computationally Efficient Lidar Odometry for Real-Time Underground 3D Mapping
Andrzej Reinke, Matteo Palieri, Benjamin Morrell +4
Lidar odometry has attracted considerable attention as a robust localization method for autonomous robots operating in complex GNSS-denied environments. However, achieving reliable…
ACHORD: Communication-Aware Multi-Robot Coordination with Intermittent Connectivity
Maira Saboia, Lillian Clark, Vivek Thangavelu +16
Communication is an important capability for multi-robot exploration because (1) inter-robot communication (comms) improves coverage efficiency and (2) robot-to-base comms improves…
PropEM-L: Radio Propagation Environment Modeling and Learning for Communication-Aware Multi-Robot Exploration
Lillian Clark, Jeffrey A. Edlund, Marc Sanchez Net +2
Multi-robot exploration of complex, unknown environments benefits from the collaboration and cooperation offered by inter-robot communication. Accurate radio signal strength predic…
REF: A Rapid Exploration Framework for Deploying Autonomous MAVs in Unknown Environments
Akash Patel, Björn Lindqvist, Christoforos Kanellakis +2
Exploration and mapping of unknown environments is a fundamental task in applications for autonomous robots. In this article, we present a complete framework for deploying MAVs in…
LAMP 2.0: A Robust Multi-Robot SLAM System for Operation in Challenging Large-Scale Underground Environments
Yun Chang, Kamak Ebadi, Christopher E. Denniston +9
Search and rescue with a team of heterogeneous mobile robots in unknown and large-scale underground environments requires high-precision localization and mapping. This crucial requ…
Loop Closure Prioritization for Efficient and Scalable Multi-Robot SLAM
Christopher E. Denniston, Yun Chang, Andrzej Reinke +5
Multi-robot SLAM systems in GPS-denied environments require loop closures to maintain a drift-free centralized map. With an increasing number of robots and size of the environment,…
Copiloting Autonomous Multi-Robot Missions: A Game-inspired Supervisory Control Interface
Marcel Kaufmann, Robert Trybula, Ryan Stonebraker +6
Real-world deployment of new technology and capabilities can be daunting. The recent DARPA Subterranean (SubT) Challenge, for instance, aimed at the advancement of robotic platform…
FIG-OP: Exploring Large-Scale Unknown Environments on a Fixed Time Budget
Oriana Peltzer, Amanda Bouman, Sung-Kyun Kim +8
We present a method for autonomous exploration of large-scale unknown environments under mission time constraints. We start by proposing the Frontloaded Information Gain Orienteeri…
Hybrid Imitative Planning with Geometric and Predictive Costs in Off-road Environments
Nitish Dashora, Daniel Shin, Dhruv Shah +5
Geometric methods for solving open-world off-road navigation tasks, by learning occupancy and metric maps, provide good generalization but can be brittle in outdoor environments th…
Direct LiDAR Odometry: Fast Localization with Dense Point Clouds
Kenny Chen, Brett T. Lopez, Ali-akbar Agha-mohammadi +1
Field robotics in perceptually-challenging environments require fast and accurate state estimation, but modern LiDAR sensors quickly overwhelm current odometry algorithms. To this…