3 papers
eess.SY2025
Proxy Control Barrier Functions: Integrating Barrier-Based and Lyapunov-Based Safety-Critical Control Design
Yujie Wang, Xiangru Xu
This work introduces a novel Proxy Control Barrier Function (PCBF) scheme that integrates barrier-based and Lyapunov-based safety-critical control strategies for strict-feedback sy…
eess.SY2023
Safe Control of Euler-Lagrange Systems with Limited Model Information
Yujie Wang, Xiangru Xu
This paper presents a new safe control framework for Euler-Lagrange (EL) systems with limited model information, external disturbances, and measurement uncertainties. The EL system…
eess.SY2023
Immersion and Invariance-based Disturbance Observer and Its Application to Safe Control
Yujie Wang, Xiangru Xu
When the disturbance input matrix is nonlinear, existing disturbance observer design methods rely on the solvability of a partial differential equation or the existence of an outpu…