no code implementations • 9 Apr 2024 • Dianzhao Li, Paul Auerbach, Ostap Okhrin
While engaging with the unfolding revolution in autonomous driving, a challenge presents itself, how can we effectively raise awareness within society about this transformative trend?
no code implementations • 4 Apr 2024 • Martin Waltz, Ostap Okhrin, Michael Schultz
Urban air mobility is an innovative mode of transportation in which electric vertical takeoff and landing (eVTOL) vehicles operate between nodes called vertiports.
no code implementations • 28 Nov 2023 • Fabian Hart, Martin Waltz, Ostap Okhrin
Dynamic obstacle avoidance (DOA) is a fundamental challenge for any autonomous vehicle, independent of whether it operates in sea, air, or land.
1 code implementation • 25 Jul 2023 • Martin Waltz, Niklas Paulig, Ostap Okhrin
This paper proposes a realistic modularized framework for controlling autonomous surface vehicles (ASVs) on inland waterways (IWs) based on deep reinforcement learning (DRL).
1 code implementation • 19 May 2023 • Dianzhao Li, Ostap Okhrin
To the best of our knowledge, our vision-based car following and lane keeping agent with Sim2Real transfer capability is the first of its kind.
2 code implementations • 14 Apr 2023 • Dianzhao Li, Ostap Okhrin
Deep Reinforcement Learning (DRL) has shown remarkable success in solving complex tasks across various research fields.
no code implementations • 6 Feb 2023 • Niels Gillmann, Ostap Okhrin
The availability of data on economic uncertainty sparked a lot of interest in models that can timely quantify episodes of international spillovers of uncertainty.
no code implementations • 8 Dec 2022 • Fabian Hart, Ostap Okhrin
This paper proposes a general training environment where we gain control over the difficulty of the obstacle avoidance task by using short training episodes and assessing the difficulty by two metrics: The number of obstacles and a collision risk metric.
1 code implementation • 2 Nov 2022 • Martin Waltz, Ostap Okhrin
This paper proposes a spatial-temporal recurrent neural network architecture for deep $Q$-networks that can be used to steer an autonomous ship.
no code implementations • 7 Jul 2022 • Fabian Hart, Ostap Okhrin, Martin Treiber
While deep reinforcement learning (RL) has been increasingly applied in designing car-following models in the last years, this study aims at investigating the feasibility of RL-based vehicle-following for complex vehicle dynamics and strong environmental disturbances.
no code implementations • 21 Mar 2022 • Martin Waltz, Abhay Kumar Singh, Ostap Okhrin
This paper proposes an important extension to Conditional Value-at-Risk (CoVaR), the popular systemic risk measure, and investigates its properties on the cryptocurrency market.
1 code implementation • 20 Jan 2022 • Martin Waltz, Ostap Okhrin
Value-based reinforcement-learning algorithms have shown strong results in games, robotics, and other real-world applications.
no code implementations • 29 Dec 2021 • Dianzhao Li, Ostap Okhrin
In the autonomous driving field, fusion of human knowledge into Deep Reinforcement Learning (DRL) is often based on the human demonstration recorded in a simulated environment.
no code implementations • 23 Dec 2021 • Fabian Hart, Martin Waltz, Ostap Okhrin
Filling a gap in the current literature, we thoroughly investigate the effect of missing velocity information on an agent's performance in obstacle avoidance tasks.
no code implementations • 29 Sep 2021 • Fabian Hart, Ostap Okhrin, Martin Treiber
For various parameterizations of the reward functions, and for a wide variety of artificial and real leader data, the model turned out to be unconditionally string stable, comfortable, and crash-free.