5 papers
Confidentiality of Linear Control Systems with Quadratic Output Under Sensor Attacks [Extended Version]
Zeyad M. Manaa, Nathan van de Wouw, Michelle S. Chong
We study the state estimation problem for linear control systems with quadratic outputs which are locally unobservable at the equilibrium. We show that, despite this inherent lack…
Data-Driven Nonconvex Reachability Analysis using Exact Set Propagation
Zhen Zhang, M. Umar B. Niazi, Michelle S. Chong +2
This paper studies deterministic data-driven reachability analysis for dynamical systems with unknown dynamics and nonconvex reachable sets. Existing deterministic data-driven appr…
Unimodal self-oscillations and their sign-symmetry for discrete-time relay feedback systems with dead zone
Kang Tong, Christian Grussler, Michelle S. Chong
This paper characterizes self-oscillations in discrete-time linear time-invariant (LTI) relay feedback systems with nonnegative dead zone. Specifically, we aim to establish existen…
Modified Control Barrier Function for Quadratic Program Based Control Design via Sum-of-Squares Programming
Yankai Lin, Michelle S. Chong, Carlos Murguia
We consider a nonlinear control affine system controlled by inputs generated by a quadratic program (QP) induced by a control barrier functions (CBF). Specifically, we slightly mod…
Secondary Safety Control for Systems with Sector Bounded Nonlinearities [Extended Version]
Yankai Lin, Michelle S. Chong, Carlos Murguia
We consider the problem of safety verification and safety-aware controller synthesis for systems with sector bounded nonlinearities. We aim to keep the states of the system within…