3 citations · 13 across the 21 of their papers we have counts for
15 papers · 1 filter
Optimal Interval Observers for Bounded Jacobian Nonlinear Dynamical Systems
Mohammad Khajenejad, Tarun Pati, Sze Zheng Yong
In this chapter, we introduce two interval observer designs for discrete-time (DT) and continuous-time (CT) nonlinear systems with bounded Jacobians that are affected by bounded un…
-optimal Interval Observer Synthesis for Uncertain Nonlinear Dynamical Systems via Mixed-Monotone Decompositions
Mohammad Khajenejad, Sze Zheng Yong
This paper introduces a novel -optimal interval observer synthesis for bounded-error/uncertain locally Lipschitz nonlinear continuous-time (CT) and discrete-t…
Interval Observer Synthesis for Locally Lipschitz Nonlinear Dynamical Systems via Mixed-Monotone Decompositions
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 o…
Resilient Interval Observer for Simultaneous Estimation of States, Modes and Attack Policies
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…
Guaranteed State Estimation via Indirect Polytopic Set Computation for Nonlinear Discrete-Time Systems
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. By transfor…
Simultaneous Mode, State and Input Set-Valued Observers for Switched Nonlinear Systems
Mohammad Khajenejad, Sze Zheng Yong
In this paper, we study the problem of designing a simultaneous mode, input, and state set-valued observer for a class of hidden mode switched nonlinear systems with bounded-norm n…
Equalized Recovery State Estimators for Linear Systems with Delayed and Missing Observations
Syed M. Hassaan, Qiang Shen, Sze Zheng Yong
This paper presents a dynamic state observer design for discrete-time linear time-varying systems that robustly achieves equalized recovery despite delayed or missing observations,…
Tractable Compositions of Discrete-Time Control Barrier Functions with Application to Lane Keeping and Obstacle Avoidance
Matthew Cavorsi, Mohammad Khajenejad, Ruochen Niu +2
This paper introduces control barrier functions for discrete-time systems, which can be shown to be necessary and sufficient for controlled invariance of a given set. Moreover, we…
Interval Observers for Simultaneous State and Model Estimation of Partially Known Nonlinear Systems
Mohammad Khajenejad, Zeyuan Jin, Sze Zheng Yong
We study the problem of designing interval-valued observers that simultaneously estimate the system state and learn an unknown dynamic model for partially unknown nonlinear systems…
Simultaneous Input and State Interval Observers for Nonlinear Systems with Rank-Deficient Direct Feedthrough
Mohammad Khajenejad, Sze Zheng Yong
We address the problem of designing simultaneous input and state interval observers for Lipschitz continuous nonlinear systems with rank-deficient feedthrough, unknown inputs and b…
Data-Driven Model Invalidation for Unknown Lipschitz Continuous Systems via Abstraction
Zeyuan Jin, Mohammad Khajenejad, Sze Zheng Yong
In this paper, we consider the data-driven model invalidation problem for Lipschitz continuous systems, where instead of given mathematical models, only prior noisy sampled data of…
Simultaneous Input and State Interval Observers for Nonlinear Systems with Full-Rank Direct Feedthrough
Mohammad Khajenejad, Sze Zheng Yong
A simultaneous input and state interval observer is presented for Lipschitz continuous nonlinear systems with unknown inputs and bounded noise signals for the case when the direct…
Simultaneous Mode, Input and State Set-Valued Observers with Applications to Resilient Estimation Against Sparse Attacks
Mohammad Khajenejad, Sze Zheng Yong
A simultaneous mode, input and state set-valued observer is proposed for hidden mode switched linear systems with bounded-norm noise and unknown input signals. The observer consist…
Simultaneous input and state set-valued \mathcal{H}_{\infty}-observers for linear parameter-varying systems
Mohammad Khajenejad, Sze Zheng Yong
A fixed-order set-valued observer is presented for linear parameter-varying systems with bounded-norm noise and under completely unknown attack signals, which simultaneously finds…
Set-Point Regulation of Linear Continuous-Time Systems using Neuromorphic Vision Sensors
Prince Singh, Sze Zheng Yong, Emilio Frazzoli
Recently developed neuromorphic vision sensors have become promising candidates for agile and autonomous robotic applications primarily due to, in particular, their high temporal r…