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🔍 roumen tsekov 📂 Engineering
Showing 154 results for "roumen tsekov" in Engineering
Engineering Preprint PDF DOI

Dreaming Across Towns: Semantic Rollout and Town-Adversarial Regularization for Zero-Shot Held-Out-Town Fixed-Route Driving in CARLA

Feeza Khan Khanzada, Jaerock Kwon · 2026

Learned driving agents often degrade when deployed in unseen environments. This paper studies a deliberately bounded instance of that problem in the CARLA simulator: zero-shot transfer of a closed-loo…

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Engineering Preprint PDF DOI

Learning to Route Electric Trucks Under Operational Uncertainty

Stavros Orfanoudakis, Ziyan Li, Ruixiao Yang, Nikolay Aristov, Pedro P. Vergara, Chuchu Fan, Elenna Dugundji · 2026

Electric truck operations require routing decisions that remain feasible under limited battery range, long charging times, travel and energy consumption, and competition for shared charging infrastruc…

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Engineering Preprint PDF DOI

End-to-end differentiable network traffic simulation with dynamic route choice

Toru Seo · 2026

Optimization using network traffic models requires computing gradients of objective functions with respect to model parameters. However, derivation of such gradients has often been considered difficul…

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Engineering Preprint PDF DOI

MedFormer-UR: Uncertainty-Routed Transformer for Medical Image Classification

Mohammed Maaz Sibhai, Abedalrhman Alkhateeb, Saad B. Ahmed · 2026

To ensure safe clinical integration, deep learning models must provide more than just high accuracy; they require dependable uncertainty quantification. While current Medical Vision Transformers perfo…

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Engineering Preprint PDF DOI

A Convex Route to Thermomechanics: Learning Internal Energy and Dissipation

Hagen Holthusen, Paul Steinmann, Ellen Kuhl · 2026

We present a physics-based neural network framework for the discovery of constitutive models in fully coupled thermomechanics. In contrast to classical formulations based on the Helmholtz energy, we a…

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Engineering Preprint PDF DOI

Optimal Hiding with Partial Information of the Seeker's Route

Prajakta Surve, Shaunak D. Bopardikar, Daigo Shishika, Dipankar Maity, Michael Dorothy · 2026

We consider a hide-and-seek game between a Hider and a Seeker over a finite set of locations. The Hider chooses one location to conceal a stationary treasure, while the Seeker visits the locations seq…

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Engineering Preprint PDF DOI

Route-Phasing-Split-Encoded Genetic Algorithm for Multi-Satellite On-Orbit Servicing Mission Planning

Shridhar Velhal, Avijit Banerjee, George Nikolakopoulos · 2026

This article addresses multi-servicer on-orbit servicing mission planning in geosynchronous Earth orbit, where routing decisions are tightly coupled with time-dependent orbital phasing and strict prop…

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Engineering Preprint PDF DOI

Collision-Free Velocity Scheduling for Multi-Agent Systems on Predefined Routes via Inexact-Projection ADMM

Seungyeop Lee, Jong-Han Kim · 2026

In structured multi-agent transportation systems, agents often must follow predefined routes, making spatial rerouting undesirable or impossible. This paper addresses route-constrained multi-agent coo…

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Engineering Preprint PDF DOI

Route Fragmentation Based on Resource-centric Prioritisation for Efficient Multi-Robot Path Planning in Agricultural Environments

James R. Heselden, Gautham P. Das · 2026

Agricultural environments present high proportions of spatially dense navigation bottlenecks for long-term navigation and operational planning of agricultural mobile robots. The existing agent-centric…

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Engineering Preprint PDF DOI

TRIAGE: Type-Routed Interventions via Aleatoric-Epistemic Gated Estimation in Robotic Manipulation and Adaptive Perception -- Don't Treat All Uncertainty the Same

Divake Kumar, Sina Tayebati, Devashri Naik, Patrick Poggi, Amanda Sofie Rios, Nilesh Ahuja, Amit Ranjan Trivedi · 2026

Most uncertainty-aware robotic systems collapse prediction uncertainty into a single scalar score and use it to trigger uniform corrective responses. This aggregation obscures whether uncertainty aris…

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Engineering Preprint PDF DOI

Are Foundation Models the Route to Full-Stack Transfer in Robotics?

Freek Stulp, Samuel Bustamante, Joao Silverio, Alin Albu-Schaffer, Jeannette Bohg, Shuran Song · 2026

In humans and robots alike, transfer learning occurs at different levels of abstraction, from high-level linguistic transfer to low-level transfer of motor skills. In this article, we provide an overv…

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Engineering Preprint PDF DOI

Safe mobility support system using crowd mapping and avoidance route planning using VLM

Sena Saito, Kenta Tabata, Renato Miyagusuku, Koichi Ozaki · 2026

Autonomous mobile robots offer promising solutions for labor shortages and increased operational efficiency. However, navigating safely and effectively in dynamic environments, particularly crowded ar…

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Engineering Preprint PDF DOI

Transfer to Sky: Unveil Low-Altitude Route-Level Radio Maps via Ground Crowdsourced Data

Wenlihan Lu, Huacong Chen, Ruiyang Duan, Weijie Yuan, Shijian Gao · 2026

The expansion of the low-altitude economy is contingent on reliable cellular connectivity for unmanned aerial vehicles (UAVs). A key challenge in pre-flight planning is predicting communication link q…

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Engineering Preprint PDF DOI

Multi-Agent Route Planning as a QUBO Problem

Renata Rusnakova, Martin Chovanec, Juraj Gazda · 2026

Multi-Agent Route Planning considers selecting vehicles, each associated with a single predefined route, such that the spatial coverage of a road network is increased while redundant overlaps are limi…

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Engineering Preprint PDF DOI

GenMRP: A Generative Multi-Route Planning Framework for Efficient and Personalized Real-Time Industrial Navigation

Chengzhang Wang, Chao Chen, Jun Tao, Tengfei Liu, He Bai, Song Wang, Longfei Xu, Kaikui Liu, Xiangxiang Chu · 2026

Existing industrial-scale navigation applications contend with massive road networks, typically employing two main categories of approaches for route planning. The first relies on precomputed road cos…

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Engineering Preprint PDF DOI

A Probabilistic Digital Twin of UK En Route Airspace for Training and Evaluating AI Agents for Air Traffic Control

Nick Pepper, Adam Keane, Amy Hodgkin, Dewi Gould, Edward Henderson, Lynge Lauritsen, Christos Vlahos, George De Ath, Richard Everson, Richard Cannon, Alvaro Sierra Castro, John Korna, Ben Carvell, Marc Thomas · 2026

This paper presents the first probabilistic Digital Twin of operational en route airspace, developed for the London Area Control Centre. The Digital Twin is intended to support the development and rig…

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Engineering Preprint PDF DOI

Fast Surrogate Models for Adaptive Aircraft Trajectory Prediction in En route Airspace

Nick Pepper, Marc Thomas, Zack Xuereb Conti · 2026

Trajectory prediction (TP) is crucial for ensuring safety and efficiency in modern air traffic management systems. It is, for example, a core component of conflict detection and resolution tools, arri…

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Engineering Preprint PDF DOI

Anytime Metaheuristic Framework for Global Route Optimization in Expected-Time Mobile Search

Jan Mikula, Miroslav Kulich · 2025

Expected-time mobile search (ETS) is a fundamental robotics task where a mobile sensor navigates an environment to minimize the expected time required to locate a hidden object. Global route optimizat…

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Engineering Preprint PDF DOI

Prediction-Driven Motion Planning: Route Integration Strategies in Attention-Based Prediction Models

Marlon Steiner, Royden Wagner, Omer Sahin Tas, Christoph Stiller · 2025

Combining motion prediction and motion planning offers a promising framework for enhancing interactions between automated vehicles and other traffic participants. However, this introduces challenges i…

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Engineering Preprint PDF DOI

Partial-Power Flow Controller, Voltage Regulator, and Energy Router for Hybrid AC-DC Grids

Ehsan Asadi, Davood Keshavarzi, Alexander Koehler, Nima Tashakor, Stefan Goetz · 2025

The share of electronically converted power from renewable sources, loads, and storage is continuously growing in the low- and medium-voltage grids. These sources and loads typically rectify the grid …

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