collaborators

5 papers

math.OC2026

Mitigating Regional Traffic Congestion via School Start Time Scheduling: A Bilevel Alternating Optimization Approach

Antonios Georgantas, Stelios Timotheou, Christos G. Panayiotou

This paper addresses morning commute congestion caused by concentrated school-related trips in urban networks. We propose a bi-level optimization framework for regulating school st…

eess.SY2026

Multi-Regional Traffic Control with Travel and Charging Demand Co-Management

Yixun Wen, Stelios Timotheou, Boli Chen

Urban traffic management is essential for reducing congestion and supporting sustainable mobility. However, the task is becoming more challenging due to the growing penetration of…

math.OC2026

Stability of vehicular admission control schemes in urban traffic networks under modelling uncertainty

Michalis Ramp, Andreas Kasis, Stelios Timotheou

Urban transportation networks face significant challenges due to traffic congestion, leading to adverse environmental and socioeconomic impacts. Vehicular admission control (VAC) s…

math.OC2025

On the stability properties of power networks with time-varying inertia

Andreas Kasis, Stelios Timotheou, Marios Polycarpou

A major transition in modern power systems is the replacement of conventional generation units with renewable sources of energy. The latter results in lower rotational inertia whic…

math.OC2025

Energy Consumption Optimization for Autonomous Vehicles via Positive Control Input Minimization

Andreas Hadjigeorgiou, Stelios Timotheou

Autonomous vehicles (AVs) present a unique opportunity to improve the sustainability of transportation systems by adopting eco-driving strategies that reduce energy consumption and…