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20132024
most citedDisturbance Observers for Robust Safety-critical Control with Control Barrier Functions

76 citations · 257 across the 23 of their papers we have counts for

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17 papers · 1 filter

eess.SY2024

Safe and Stable Connected Cruise Control for Connected Automated Vehicles with Response Lag

Yuchen Chen, Gabor Orosz, Tamas G. Molnar

Controlling connected automated vehicles (CAVs) via vehicle-to-everything (V2X) connectivity holds significant promise for improving fuel economy and traffic efficiency. However, t…

eess.SY2023

On the Safety of Connected Cruise Control: Analysis and Synthesis with Control Barrier Functions

Tamas G. Molnar, Gabor Orosz, Aaron D. Ames

Connected automated vehicles have shown great potential to improve the efficiency of transportation systems in terms of passenger comfort, fuel economy, stability of driving behavi…

eess.SY2023★ 1 cited

Steering Control of an Autonomous Unicycle

Máté Benjámin Vizi, Gábor Orosz, Dénes Takács +1

The steering control of an autonomous unicycle is considered. The underlying dynamical model of a single rolling wheel is discussed regarding the steady state motions and their sta…

eess.SY2023

Coordination for Connected Automated Vehicles at Merging Roadways in Mixed Traffic Environment

Viet-Anh Le, Hao M. Wang, Gabor Orosz +1

In this paper, we present an optimal control framework to address motion coordination of connected automated vehicles (CAVs) in the presence of human-driven vehicles (HDVs) in merg…

eess.SY2023

Parameterized Barrier Functions to Guarantee Safety under Uncertainty

Anil Alan, Tamas G. Molnar, Aaron D. Ames +1

Deploying safety-critical controllers in practice necessitates the ability to modulate uncertainties in control systems. In this context, robust control barrier functions -- in a v…

eess.SY2022

Connected Cruise and Traffic Control for Pairs of Connected Automated Vehicles

Sicong Guo, Gabor Orosz, Tamas G. Molnar

This paper considers mixed traffic consisting of connected automated vehicles equipped with vehicle-to-everything (V2X) connectivity and human-driven vehicles. A control strategy i…

eess.SY2022

Energy-efficient Reactive and Predictive Connected Cruise Control

Minghao Shen, R. Austin Dollar, Tamas G. Molnar +3

In this paper, we propose a framework for the longitudinal control of connected and automated vehicles traveling in mixed traffic consisting of connected and non-connected human-dr…

eess.SY2022★ 76 cited

Disturbance Observers for Robust Safety-critical Control with Control Barrier Functions

Anil Alan, Tamas G. Molnar, Ersin Das +2

This work provides formal safety guarantees for control systems with disturbance. A disturbance observer-based robust safety-critical controller is proposed, that estimates the eff…

eess.SY2022

Control Barrier Functionals: Safety-critical Control for Time Delay Systems

Adam K. Kiss, Tamas G. Molnar, Aaron D. Ames +1

This work presents a theoretical framework for the safety-critical control of time delay systems. The theory of control barrier functions, that provides formal safety guarantees fo…

eess.SY2022★ 1 cited

Control Barrier Functions and Input-to-State Safety with Application to Automated Vehicles

Anil Alan, Andrew J. Taylor, Chaozhe R. He +2

Balancing safety and performance is one of the predominant challenges in modern control system design. Moreover, it is crucial to robustly ensure safety without inducing unnecessar…

eess.SY2022

Energy-efficient Connected Cruise Control with Lean Penetration of Connected Vehicles

Minghao Shen, Chaozhe R. He, Tamas Molnar +2

This paper focuses on energy-efficient longitudinal controller design for a connected automated truck that travels in mixed traffic consisting of connected and non-connected vehicl…

eess.SY2022

Input-to-State Safety with Input Delay in Longitudinal Vehicle Control

Tamas G. Molnar, Anil Alan, Adam K. Kiss +2

Safe longitudinal control is discussed for a connected automated truck traveling behind a preceding connected vehicle. A controller is proposed based on control barrier function th…

eess.SY2022★ 13 cited

Virtual Rings on Highways: Traffic Control by Connected Automated Vehicles

Tamas G. Molnar, Michael Hopka, Devesh Upadhyay +2

This work gives introduction to traffic control by connected automated vehicles. The influence of vehicle control on vehicular traffic and traffic control strategies are discussed…

eess.SY2021★ 2 cited

Safety-Critical Control with Input Delay in Dynamic Environment

Tamas G. Molnar, Adam K. Kiss, Aaron D. Ames +1

Endowing nonlinear systems with safe behavior is increasingly important in modern control. This task is particularly challenging for real-life control systems that must operate saf…

eess.SY2021

Nonholonomic dynamics and control of road vehicles: moving toward automation

Wubing B. Qin, Yiming Zhang, Dénes Takács +2

Nonholonomic models of automobiles are developed by utilizing tools of analytical mechanics, in particular the Appellian approach that allows one to describe the vehicle dynamics w…

eess.SY2021

Safe Controller Synthesis with Tunable Input-to-State Safe Control Barrier Functions

Anil Alan, Andrew J. Taylor, Chaozhe R. He +2

To bring complex systems into real world environments in a safe manner, they will have to be robust to uncertainties - both in the environment and the system. This paper investigat…

eess.SY2020★ 30 cited

Safety-Critical Control of Compartmental Epidemiological Models with Measurement Delays

Tamas G. Molnar, Andrew W. Singletary, Gabor Orosz +1

We introduce a methodology to guarantee safety against the spread of infectious diseases by viewing epidemiological models as control systems and by considering human interventions…