7 citations · 35 across the 38 of their papers we have counts for
42 papers
Integrating Deep Learning and Contraction Theory for Robust Nonlinear State Estimation via Unsupervised Scientific Machine Learning
Yasmine Marani, Israel Filho, Eric Feron +1
A common way to design observers is to add a correction term to a copy of the system; however, designing the correction term for nonlinear systems remains a significant long-standi…
From Well-Posed Inversion to Learning Design: Physics- Informed Neural Estimation for Autonomic Regulation
Sara Nour Sadoun, Giuseppe Alessio D'Inverno, Francois Cottin +2
Learning-based and physics-informed methods are increasingly used for inverse estimation in controlled nonlinear dynamical systems. However, in many such approaches, the theoretic…
An Explicit Surrogate for Gaussian Mixture Flow Matching with Wasserstein Gap Bounds
Elham Rostami, Taous-Meriem Laleg-Kirati, Hamidou Tembine
We study training-free flow matching between two Gaussian mixture models (GMMs) using explicit velocity fields that transport one mixture into the other over time. Our baseline app…
SpaTeoGL: Spatiotemporal Graph Learning for Interpretable Seizure Onset Zone Analysis from Intracranial EEG
Elham Rostami, Aref Einizade, Taous-Meriem Laleg-Kirati
Accurate localization of the seizure onset zone (SOZ) from intracranial EEG (iEEG) is essential for epilepsy surgery but is challenged by complex spatiotemporal seizure dynamics. W…
Radio-PPG: photoplethysmogram digital twin synthesis using deep neural representation of 6G/WiFi ISAC signals
Israel Jesus Santos Filho, Muhammad Mahboob Ur Rahman, Taous-Meriem Laleg-Kirati +1
Digital twins for 1D bio-signals enable real-time monitoring of physiological processes of a person, which enables early disease diagnosis and personalized treatment. This work int…
Internet of medical things for non-invasive and non-contact dehydration monitoring away from the hospital: state-of-the-art, challenges and prospects
Soumia Siyoucef, Rose Al-Aslani, Mourad Adnane +3
Dehydration occurs when the body loses more water than it takes in. Mild dehydration can lead to fatigue, cognitive impairments, and physical complications, while severe dehydratio…
Unsupervised Physics-Informed Neural Network-based Nonlinear Observer design for autonomous systems using contraction analysis
Yasmine Marani, Israel Filho, Tareq Al-Naffouri +1
Contraction analysis offers, through elegant mathematical developments, a unified way of designing observers for a general class of nonlinear systems, where the observer correction…
Image contrast enhancement based on the Schrödinger operator spectrum
Juan M. Vargas, Taous-Meriem Laleg-Kirati
In this study, we propose a novel image contrast enhancement method based on projecting images onto the squared eigenfunctions of the two-dimensional Schrödinger operator. This pro…
Non-Contact Acquisition of PPG Signal using Chest Movement-Modulated Radio Signals
Israel Jesus Santos Filho, Muhammad Mahboob Ur Rahman, Taous-Meriem Laleg-Kirati +1
We present for the first time a novel method that utilizes the chest movement-modulated radio signals for non-contact acquisition of the photoplethysmography (PPG) signal. Under th…
You can monitor your hydration level using your smartphone camera
Rose Alaslani, Levina Perzhilla, Muhammad Mahboob Ur Rahman +2
This work proposes for the first time to utilize the regular smartphone -- a popular assistive gadget -- to design a novel, non-invasive method for self-monitoring of one's hydrati…
Modulating function based algebraic observer coupled with stable output predictor for LTV and sampled-data systems
Matti Noack, Ibrahima N'Doye, Johann Reger +1
This paper proposes an algebraic observer-based modulating function approach for linear time-variant systems and a class of nonlinear systems with discrete measurements. The underl…
Feeding control and water quality monitoring in aquaculture systems: Opportunities and challenges
Fahad Aljehani, Ibrahima N'Doye, Taous-Meriem Laleg-Kirati
Aquaculture systems can benefit from the recent development of advanced control strategies to reduce operating costs and fish loss and increase growth production efficiency, result…
Model-based versus model-free feeding control and water quality monitoring for fish growth tracking in aquaculture systems
Fahad Aljehani, Ibrahima N'Doye, Taous-Meriem Laleg-Kirati
The high concentration level of the environmental factors, such as a high ammonia concentration and pH level, affect the water quality, affecting fish's survival and mass death. Th…
Non-Asymptotic State and Disturbance Estimation for a Class of Triangular Nonlinear Systems using Modulating Functions
Yasmine Marani, Ibrahima N'Doye, Taous-Meriem Laleg-Kirati
Dynamical models are often corrupted by model uncertainties, external disturbances, and measurement noise. These factors affect the performance of model-based observers and as a re…
Tracking Control of Optical Beam Transceivers using Mean Field Models
Ibrahima N'Doye, Taous-Meriem Laleg-Kirati
This paper proposes mean field models to maintain an accurate line-of-sight and tracking between transceivers mounted in mobile unmanned aerial vehicles (UAVs) platforms in the pre…
Contribution to the initialization of linear non-commensurate fractional-order systems for the joint estimation of parameters and fractional differentiation orders
Mohamed A. Bahloul, Zehor Belkhatir, Taous-Meriem laleg-Kirati
It has been recognized that using time-varying initialization functions to solve the initial value problem of fractional-order systems (FOS) is both complex and essential in defini…
Accelerating Extremum Seeking Convergence by Richardson Extrapolation Methods
Jan-Henrik Metsch, Jonathan Neuhauser, Jerome Jouffroy +2
In this paper, we propose the concept of accelerated convergence that has originally been developed to speed up the convergence of numerical methods for extremum seeking (ES) loops…
Data-Driven State Estimation for Light-Emitting Diode Underwater Optical Communication
Yingquan Li, Zhenwen Liang, Ibrahima N'Doye +3
Light-Emitting Diodes (LEDs) based underwater optical wireless communications (UOWCs), a technology with low latency and high data rates, have attracted significant importance for…
Spatial Distribution Patterns of Clownfish in Recirculating Aquaculture Systems
Fahad Aljehani, Ibrahima N'Doye, Micaela S. Justo +3
Successful aquaculture systems can reduce the pressure and help secure the most diverse and productive Red Sea coral reef ecosystem to maintain a healthy and functional ecosystem w…
Reference Tracking AND Observer Design for Space-Fractional Partial Differential Equation Modeling Gas Pressures in Fractured Media
Lilia Ghaffour, Taous Meriem Laleg Kirati
This paper considers a class of space fractional partial differential equations (FPDEs) that describe gas pressures in fractured media. First, the well-posedness, uniqueness, and t…
Model-free LQR based PID controller for trajectory tracking of 2-DoF helicopter: comparison and experimental results
Nouha Rouis, Ibrahima N'Doye, Taous-Meriem Laleg-Kirati
This paper studies the performance of a model-free LQR based PID (i-LQR-PID) controller designed for tracking control problem of a 2-DoF laboratory helicopter. The control problem…
Fish Growth Trajectory Tracking via Reinforcement Learning in Precision Aquaculture
Abderrazak Chahid, Ibrahima N'Doye, John E. Majoris +2
This paper studies the fish growth trajectory tracking via reinforcement learning under a representative bioenergetic growth model. Due to the complex aquaculture condition and unc…
Reduction of the Beam Pointing Error for Improved Free-Space Optical Communication Link Performance
I. N'Doye, W. Cai, A. Alalwan +5
Free-space optical communication is emerging as a low-power, low-cost, and high data rate alternative to radio-frequency communication in short-to medium-range applications. Howeve…
Establishing and Maintaining a Reliable Optical Wireless Communication in Underwater Environment
Ibrahima N'Doye, Ding Zhang, Mohamed-Slim Alouini +1
This paper proposes the trajectory tracking problem between an autonomous underwater vehicle (AUV) and a mobile surface ship, both equipped with optical communication transceivers.…