Robust Adaptive Fuzzy Control for Second-Order Euler–Lagrange Systems With Uncertainties and Disturbances via Nonlinear Negative-Imaginary Systems Theory

VP Tran, MA Mabrok, SG Anavatti… - IEEE Transactions …, 2024 - ieeexplore.ieee.org
Ensuring robust and precise tracking control in the presence of uncertain multi-input–multi-
output (MIMO) system dynamics and environmental variations is a significant challenge in …

Necessary and sufficient conditions for state feedback equivalence to negative imaginary systems

K Shi, IR Petersen, IG Vladimirov - IEEE Transactions on …, 2024 - ieeexplore.ieee.org
In this paper, we present necessary and sufficient conditions under which a linear time-
invariant (LTI) system is state feedback equivalent to a negative imaginary (NI) system. More …

Ultimately bounded control for nonlinear systems under denial-of-service attacks: an accumulation-based event-triggered mechanism

B Song, B Sun, Z Shang, J Guo… - International Journal of …, 2024 - Taylor & Francis
This paper investigates the control problem for nonlinear systems under denial-of-service
(DoS) attacks. In contrast to traditional event-triggered mechanisms (ETMs), an …

PID Control of MIMO Nonlinear Uncertain Systems With Low Relative Degrees

J Zhu, C Zhao - IEEE Control Systems Letters, 2024 - ieeexplore.ieee.org
This paper studies control problems for a class of multi-input multi-output (MIMO) strongly
coupled nonlinear uncertain systems with mixed relative degrees one and two. We will …

Negative imaginary state feedback equivalence for a class of nonlinear systems

K Shi, IR Petersen, IG Vladimirov - IFAC-PapersOnLine, 2023 - Elsevier
In this paper, we investigate the necessary and sufficient conditions under which a class of
nonlinear systems are state feedback equivalent to nonlinear negative imaginary (NI) …

Observer Design and State-Feedback Stabilization for Nonlinear Systems via Equilibrium Manifold Expansion Linearization

T Hou, J Zhou - Qualitative Theory of Dynamical Systems, 2024 - Springer
Linearization remodeling and state-feedback control for a class of autonomous nonlinear
systems based on equilibrium manifold expansion (EME) are visited and explicated in this …

New Results in Negative Imaginary Systems Theory

K Shi - 2024 - search.proquest.com
Negative imaginary (NI) systems property naturally arises in flexible structures with
colocated force actuators and position sensors. NI systems theory provides a robust control …

The Robust Control of Negative Imaginary Systems

JH Dannatt - 2022 - search.proquest.com
Collocated actuators and sensors on a lightly damped flexible structure always lead to an
alternating property of the poles and zeros near the imaginary axis. The frequency response …