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20222026
most citedSafety on the Fly: Constructing Robust Safety Filters via Policy Control Barrier Functions at Runtime

5 citations · 7 across the 27 of their papers we have counts for

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11 papers · 1 filter

eess.SY2026

Reachability Analysis of the State Transition and State Covariance Matrices for an LTV System

Fengjiao Liu, Yixiao Zhang, Panagiotis Tsiotras

In this paper, we study the reachability of two closely related matrices appearing in the analysis of linear time-varying (LTV) systems over a finite time interval, namely, its clo…

eess.SY2026

Nonlinear Stochastic Density Steering via Gaussian Mixture Schrodinger Bridges and Multiple Linearizations

Mattia Mosso, George Rapakoulias, Yue Guan +1

The paper studies the optimal density steering problem for nonlinear continuous-time stochastic systems. To accurately capture nonlinear dynamics in high-uncertainty regions that d…

eess.SY2026

Data-Driven Covariance Steering with Output Feedback

Dimitrios Moustroufis, Panagiotis Tsiotras

This paper addresses output-feedback covariance steering for stochastic discrete-time linear time-invariant systems with unknown dynamics. We construct a controllable non-minimal s…

eess.SY2026

Schrodinger Bridges and Density Steering Problems for Gaussian Mixtures Models in Discrete-Time

George Rapakoulias, Fengjiao Liu, Panagiotis Tsiotras

In this work, we revisit the discrete-time Schrödinger Bridge (SB) and Density Steering (DS) problems for Gaussian mixture model (GMM) boundary distributions. Building on the exist…

eess.SY2024

Stochastic Control of UAVs: An Optimal Tradeoff between Performance, Flight Smoothness and Control Effort

George Rapakoulias, Panagiotis Tsiotras

Safe and accurate control of unmanned aerial vehicles in the presence of winds is a challenging control problem due to the hard-to-model and highly stochastic nature of the disturb…

eess.SY2024

Discrete-Time Maximum Likelihood Neural Distribution Steering

George Rapakoulias, Panagiotis Tsiotras

This paper studies the problem of steering the distribution of a discrete-time dynamical system from an initial distribution to a target distribution in finite time. The formulatio…

eess.SY2024

DUST: A Framework for Data-Driven Density Steering

Joshua Pilipovsky, Panagiotis Tsiotras

We consider the problem of data-driven stochastic optimal control of an unknown LTI dynamical system. Assuming the process noise is normally distributed, we pose the problem of ste…

eess.SY2024

Reachability and Controllability Analysis of the State Covariance for Linear Stochastic Systems

Fengjiao Liu, Panagiotis Tsiotras

This paper studies the set of terminal state covariances that are reachable over a finite time horizon from a given initial state covariance for a linear stochastic system with add…

eess.SY2024

Adaptive Dual Covariance Steering with Active Parameter Estimation

Jacob W. Knaup, Panagiotis Tsiotras

This work examines the optimal covariance steering problem for systems subject to unknown parameters that enter multiplicatively with the state and control, in addition to additive…

eess.SY2023

Data-Driven Robust Covariance Control for Uncertain Linear Systems

Joshua Pilipovsky, Panagiotis Tsiotras

The theory of covariance control and covariance steering (CS) deals with controlling the dispersion of trajectories of a dynamical system, under the implicit assumption that accura…

eess.SY2022★ 1 cited

Optimal Covariance Steering for Continuous-Time Linear Stochastic Systems With Additive Noise

Fengjiao Liu, Panagiotis Tsiotras

In this paper, we study the problem of how to optimally steer the state covariance of a general continuous-time linear stochastic system over a finite time interval subject to addi…