Improving neural network robustness via persistency of excitation

K Sridhar, O Sokolsky, I Lee… - 2022 American Control …, 2022 - ieeexplore.ieee.org
Improving adversarial robustness of neural networks remains a major challenge.
Fundamentally, training a neural network via gradient descent is a parameter estimation …

Cascades-based leader–follower formation tracking and stabilization of multiple nonholonomic vehicles

MA Maghenem, A Loria… - IEEE Transactions on …, 2019 - ieeexplore.ieee.org
It is known that nonholonomic systems on the plane cannot be stabilized on arbitrary
leader's trajectories with piecewise continuous velocities via continuous controllers, even …

Forward-integration Riccati-based output-feedback control of linear time-varying systems

A Weiss, I Kolmanovsky… - 2012 American Control …, 2012 - ieeexplore.ieee.org
In applications involving time-varying systems, the state dynamics matrix is often not known
in advance. To address this problem, this paper investigates the effectiveness of a forward-in …

Predictive sliding‐mode congestion control for wireless access networks with singular and non‐singular control gain

L Khoshnevisan, X Liu… - IET Control Theory & …, 2020 - Wiley Online Library
Transmission control protocol, in the transport layer of a network, can usually detect
congestion after its occurrence. Therefore, designing a robust active queue management …

A jammer's perspective of reachability and LQ optimal control

S Sukumar, D Chatterjee - Automatica, 2016 - Elsevier
This article treats two problems dealing with control of linear systems in the presence of a
jammer that can sporadically turn off the control signal. The first problem treats the standard …

Fractional order predictive sliding-mode control for a class of nonlinear input-delay systems: singular and non-singular approach

L Khoshnevisan, X Liu - International Journal of Systems Science, 2019 - Taylor & Francis
Nonlinear models of physical systems usually suffer from input delay and external
disturbances. Moreover, when a delayed state is in the input signal gain, it can be non …

Precision attitude stabilization: Incorporating rise and fall times in gas-based thrusters

S Sukumar, MR Akella - journal of Guidance, Control, and Dynamics, 2011 - arc.aiaa.org
THRUSTERS have been a popular choice for microsatellite attitude control systems owing to
their high power-to-weight ratio and because they use a lesser number of moving parts that …

Persistence based convergence rate analysis of consensus protocols for dynamic graph networks

NR Chowdhury, S Sukumar, N Balachandran - European Journal of Control, 2016 - Elsevier
This paper deals with the consensus problem of agents communicating via time-varying
communication links in undirected graph networks. The highlight of the current work is to …

Persistence based analysis of consensus protocols for dynamic graph networks

NR Chowdhury, S Sukumar - 2014 European Control …, 2014 - ieeexplore.ieee.org
This article deals with the consensus problem involving agents with time-varying
singularities in the dynamics or communication in undirected graph networks. Existing …

Arbitrarily fast exponentially stabilizing controller for multi-input, persistently exciting singular control gain systems

S Srikant, M Akella - Automatica, 2015 - Elsevier
We develop a new technique for stabilizing multi-input linear systems with unstable drift and
time-varying, singular gains on the control. The results presented here assume the control …