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Tomas Baca

3 accepted papers

2026

Kilometer-Scale GNSS-Denied UAV Navigation Via Heightmap Gradients: A Winning System from the SPRIN-D Challenge

ICRA 2026poster

Reliable long-range flight of unmanned aerial vehicles (UAVs) in GNSS-denied environments is challenging: integrating odometry leads to drift, loop closures are unavailable in previously unseen areas and embedded platforms provide limited computational power. We present a fully onboard UAV system de…

2019

Timepix Radiation Detector for Autonomous Radiation Localization and Mapping by Micro Unmanned Vehicles

IROS 2019poster

A system for measuring radiation intensity and for radiation mapping by a micro unmanned robot using the Timepix detector is presented in this paper. Timepix detectors are extremely small, but powerful 14 × 14 mm, 256 × 256 px CMOS hybrid pixel detectors, capable of measuring ionizing alpha, beta, g…

Cited by 21Source ↗Scholar ↗
2018

Model Predictive Trajectory Tracking and Collision Avoidance for Reliable Outdoor Deployment of Unmanned Aerial Vehicles

IROS 2018poster

We propose a novel approach for optimal trajectory tracking for unmanned aerial vehicles (UAV), using a linear model predictive controller (MPC) in combination with non-linear state feedback. The solution relies on fast onboard simulation of the translational dynamics of the UAV, which is guided by…

Cited by 200Source ↗Scholar ↗