Secure-by-construction synthesis of cyber-physical systems

S Liu, A Trivedi, X Yin, M Zamani - Annual Reviews in Control, 2022 - Elsevier
Correct-by-construction synthesis is a cornerstone of the confluence of formal methods and
control theory towards designing safety-critical systems. Instead of following the time-tested …

Formal methods for control synthesis: An optimization perspective

C Belta, S Sadraddini - Annual Review of Control, Robotics, and …, 2019 - annualreviews.org
In control theory, complicated dynamics such as systems of (nonlinear) differential equations
are controlled mostly to achieve stability. This fundamental property, which can be with …

High-order control barrier functions

W Xiao, C Belta - IEEE Transactions on Automatic Control, 2021 - ieeexplore.ieee.org
We approach the problem of stabilizing a dynamical system while optimizing a cost and
satisfying safety constraints and control limitations. For (nonlinear) affine control systems …

Adaptive tracking control with global performance for output-constrained MIMO nonlinear systems

L Kong, W He, Z Liu, X Yu… - IEEE Transactions on …, 2022 - ieeexplore.ieee.org
In this article, a novel adaptive tracking control technique is developed for multiple-input-
multiple-output nonlinear systems with model uncertainty and under output constraints …

Control barrier functions for systems with high relative degree

W Xiao, C Belta - 2019 IEEE 58th conference on decision and …, 2019 - ieeexplore.ieee.org
This paper extends control barrier functions (CBFs) to high order control barrier functions
(HOCBFs) that can be used for high relative degree constraints. The proposed HOCBFs are …

Neural graph control barrier functions guided distributed collision-avoidance multi-agent control

S Zhang, K Garg, C Fan - Conference on robot learning, 2023 - proceedings.mlr.press
We consider the problem of designing distributed collision-avoidance multi-agent control in
large-scale environments with potentially moving obstacles, where a large number of agents …

High-order barrier functions: Robustness, safety, and performance-critical control

X Tan, WS Cortez… - IEEE Transactions on …, 2021 - ieeexplore.ieee.org
In this article, we propose a notion of high-order (zeroing) barrier functions (HOBFs) that
generalizes the concept of zeroing barrier functions and guarantees set forward invariance …

Adaptive control barrier functions

W Xiao, C Belta, CG Cassandras - IEEE Transactions on …, 2021 - ieeexplore.ieee.org
It has been shown that optimizing quadratic costs while stabilizing affine control systems to
desired (sets of) states subject to state and control constraints can be reduced to a sequence …

Control barrier functions for complete and incomplete information stochastic systems

A Clark - 2019 American Control Conference (ACC), 2019 - ieeexplore.ieee.org
Real-time controllers must satisfy strict safety requirements. Recently, Control Barrier
Functions (CBFs) have been proposed that guarantee safety by ensuring that a suitably …

Sufficient conditions for feasibility of optimal control problems using control barrier functions

W Xiao, CA Belta, CG Cassandras - Automatica, 2022 - Elsevier
It has been shown that satisfying state and control constraints while optimizing quadratic
costs subject to desired (sets of) state convergence for affine control systems can be …