Search Results for author: Mohammad Khajenejad

Found 7 papers, 0 papers with code

Resilient State Estimation for Nonlinear Discrete-Time Systems via Input and State Interval Observer Synthesis

no code implementations25 Sep 2023 Mohammad Khajenejad, Zeyuan Jin, Thach Ngoc Dinh, Sze Zheng Yong

This paper addresses the problem of resilient state estimation and attack reconstruction for bounded-error nonlinear discrete-time systems with nonlinear observations/ constraints, where both sensors and actuators can be compromised by false data injection attack signals/unknown inputs.

Control of Discrete-Time LTI Systems using Stochastic Ensemble Systems

no code implementations23 Apr 2023 Nirabhra Mandal, Mohammad Khajenejad, Sonia Martinez

In this paper, we study the control properties of a new class of stochastic ensemble systems that consists of families of random variables.

Distributed Interval Observers for Bounded-Error LTI Systems

no code implementations2 Sep 2022 Mohammad Khajenejad, Scott Brown, Sonia Martinez

This paper proposes a novel distributed interval observer design for linear time-invariant (LTI) discrete-time systems subject to bounded disturbances.

$\mathcal{H}_{\infty}$-optimal Interval Observer Synthesis for Uncertain Nonlinear Dynamical Systems via Mixed-Monotone Decompositions

no code implementations14 Mar 2022 Mohammad Khajenejad, Sze Zheng Yong

This paper introduces a novel $\mathcal{H}_{\infty}$-optimal interval observer synthesis for bounded-error/uncertain locally Lipschitz nonlinear continuous-time (CT) and discrete-time (DT) systems with noisy nonlinear observations.

Interval Observer Synthesis for Locally Lipschitz Nonlinear Dynamical Systems via Mixed-Monotone Decompositions

no code implementations23 Feb 2022 Mohammad Khajenejad, Fatima Shoaib, Sze Zheng Yong

This paper proposes a novel unified interval-valued observer synthesis approach for locally Lipschitz nonlinear continuous-time (CT) and discrete-time (DT) systems with nonlinear observations.

Resilient Interval Observer for Simultaneous Estimation of States, Modes and Attack Policies

no code implementations2 Nov 2021 Mohammad Khajenejad, Zeyuan Jin, Sze Zheng Yong

This paper considers the problem of designing interval observers for hidden mode switched nonlinear systems with bounded noise signals that are compromised by false data injection and switching attacks.

Guaranteed State Estimation via Indirect Polytopic Set Computation for Nonlinear Discrete-Time Systems

no code implementations5 Sep 2021 Mohammad Khajenejad, Fatima Shoaib, Sze Zheng Yong

This paper proposes novel set-theoretic approaches for state estimation in bounded-error discrete-time nonlinear systems, subject to nonlinear observations/constraints.

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