8 papers
The Unified Autonomy Stack: Toward a Blueprint for Generalizable Robot Autonomy
Mihir Dharmadhikari, Nikhil Khedekar, Mihir Kulkarni +7
We introduce and open-source the Unified Autonomy Stack, a system-level solution that enables resilient autonomy across diverse aerial and ground robot morphologies. The architectu…
On the Characterization and Limits of 4D Radar for Aided Inertial Navigation
Morten Nissov, Kostas Alexis
Frequency Modulated Continuous Wave (FMCW) radar is a promising sensor for aided inertial navigation, due to its robustness in environments that challenge traditional alternatives,…
Equivariant Filter for Radar-Inertial Odometry
Giulio Delama, Jan Michalczyk, Morten Nissov +4
Radar-Inertial Odometry (RIO) based on the Extended Kalman Filter (EKF) relies on accurate extrinsic calibration between the radar and the Inertial Measurement Unit (IMU) and is se…
Tightly-Coupled Radar-Visual-Inertial Odometry
Morten Nissov, Mohit Singh, Kostas Alexis
Visual-Inertial Odometry (VIO) is a staple for reliable state estimation on constrained and lightweight platforms due to its versatility and demonstrated performance. However, pert…
IMU-Preintegrated Radar Factors for Asynchronous Radar-LiDAR-Inertial SLAM
Johan Hatleskog, Morten Nissov, Kostas Alexis
Fixed-lag Radar-LiDAR-Inertial smoothers conventionally create one factor graph node per measurement to compensate for the lack of time synchronization between radar and LiDAR. For…
UniPilot: Enabling GPS-Denied Autonomy Across Embodiments
Mihir Kulkarni, Mihir Dharmadhikari, Nikhil Khedekar +4
This paper presents UniPilot, a compact hardware-software autonomy payload that can be integrated across diverse robot embodiments to enable autonomous operation in GPS-denied envi…