activity
20202023
most citedComparison between safety methods control barrier function vs. reachability analysis

21 citations · 25 across the 6 of their papers we have counts for

collaborators

6 papers

cs.RO2023

EAST: Environment Aware Safe Tracking using Planning and Control Co-Design

Zhichao Li, Yinzhuang Yi, Zhuolin Niu +1

This paper considers the problem of autonomous mobile robot navigation in unknown environments with moving obstacles. We propose a new method to achieve environment-aware safe trac…

cs.RO2022

Robust and Safe Autonomous Navigation for Systems with Learned SE(3) Hamiltonian Dynamics

Zhichao Li, Thai Duong, Nikolay Atanasov

Stability and safety are critical properties for successful deployment of automatic control systems. As a motivating example, consider autonomous mobile robot navigation in a compl…

cs.RO2021

Safe Autonomous Navigation for Systems with Learned SE(3) Hamiltonian Dynamics

Zhichao Li, Thai Duong, Nikolay Atanasov

Safe autonomous navigation in unknown environments is an important problem for mobile robots. This paper proposes techniques to learn the dynamics model of a mobile robot from traj…

eess.SY2021★ 21 cited

Comparison between safety methods control barrier function vs. reachability analysis

Zhichao Li

This report aims to compare two safety methods: control barrier function and Hamilton-Jacobi reachability analysis. We will consider the difference with a focus on the following as…

eess.SY2020★ 3 cited

Safe Robot Navigation in Cluttered Environments using Invariant Ellipsoids and a Reference Governor

Zhichao Li, Thai Duong, Nikolay Atanasov

This paper considers the problem of safe autonomous navigation in unknown environments, relying on local obstacle sensing. We consider a control-affine nonlinear robot system subje…

cs.RO2020★ 1 cited

Fast and Safe Path-Following Control using a State-Dependent Directional Metric

Zhichao Li, Omur Arslan, Nikolay Atanasov

This paper considers the problem of fast and safe autonomous navigation in partially known environments. Our main contribution is a control policy design based on ellipsoidal traje…