Qatar University Institutional Repository: Recent submissions
Now showing items 681-700 of 30885
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Ambulatory extracorporeal membrane oxygenation simulator: The next frontier in clinical training
( SAGE Publications Ltd , 2024 , Article)Background: Current medical simulators for extracorporeal membrane oxygenation (ECMO) are expensive and rely on low-fidelity methodologies. This creates a challenge that demands a new approach to eliminate high costs and ... -
Koopman-based deep iISS bilinear parity approach for data-driven fault diagnosis: Experimental demonstration using three-tank system
( Elsevier , 2024 , Article)Precise and timely fault diagnosis is crucial in many practical systems and control processes. Particularly due to the increasing amount of available data collected by sensors, data-driven fault diagnosis has been a hot ... -
A data-driven approach for fault diagnosis in multi-zone HVAC systems: Deep neural bilinear Koopman parity
( Elsevier , 2023 , Article)Sensor faults in heating, ventilation, and air conditioning (HVAC) systems are inevitable and result in significant energy waste. This paper presents an innovative data-driven approach for sensor fault detection and isolation ... -
Consensus-Based Distributed Formation Control of Multi-Quadcopter Systems: Barrier Lyapunov Function Approach
( Institute of Electrical and Electronics Engineers Inc. , 2023 , Article)The problem of formation tracking control for a group of quadcopters with nonlinear dynamics using Barrier Lyapunov Functions (BLFs) is studied in this paper where the quadcopters are following a desired predefined trajectory ... -
Safe control synthesis using environmentally robust control barrier functions
( Elsevier , 2023 , Article)In this paper, we study a safe control design for dynamical systems in the presence of uncertainty in a dynamical environment. The worst-case error approach is considered to formulate robust Control Barrier Functions (CBFs) ... -
Finite time stability of nonlinear strongly dissipative feedback systems
( Taylor and Francis Ltd. , 2024 , Article)In this paper, we introduce the notion of strongly dissipative dynamical systems. In particular, we construct a stronger version of the dissipation inequality that implies system dissipativity and generalises the notion ... -
A Comprehensive Review of Digital Twin Technology in Building Energy Consumption Forecasting
( Institute of Electrical and Electronics Engineers Inc. , 2024 , Article)With the global rise in urban populations, energy consumption in buildings has become a critical issue, now accounting for about 30% of total global energy use. Developing powerful energy forecasting systems is challenging ... -
Optimal control of connected automated vehicles with event/self-triggered control barrier functions
( Elsevier , 2024 , Article)We address the problem of controlling Connected and Automated Vehicles (CAVs) in conflict areas of a traffic network subject to hard safety constraints. It has been shown that such problems can be solved through a combination ... -
LQG-Based Virtual Inertial Control of Islanded Microgrid Load Frequency Control and DoS Attack Vulnerability Analysis
( Institute of Electrical and Electronics Engineers Inc. , 2023 , Article)The load frequency control (LFC) in modern power system like microgrid has turned out to be significantly challenging due to the high penetration of renewable energy sources (RESs) and the consequent reduction of overall ... -
On Zero Dynamics and Controllable Cyber-Attacks in Cyber-Physical Systems and Dynamic Coding Schemes as Their Countermeasures
( Institute of Electrical and Electronics Engineers Inc. , 2024 , Article)In this paper, we study stealthy cyber-attacks on actuators of cyber-physical systems (CPS), namely zero dynamics and controllable attacks. In particular, under certain assumptions, we investigate and propose conditions ... -
Adaptive data-driven fault-tolerant control for nonlinear systems: Koopman-based virtual actuator approach
( Elsevier , 2023 , Article)This paper proposes an adaptive data-driven fault-tolerant control scheme using the Koopman operator for unknown dynamics subjected to nonlinearities, time-varying loss of effectiveness, and additive actuator faults. The ... -
Distributed optimal coverage control in multi-agent systems: Known and unknown environments
( Elsevier , 2025 , Article)This paper introduces a novel approach to solve the coverage optimization problem in multi-agent systems. The proposed technique offers an optimal solution with a lower cost with respect to conventional Voronoi-based ... -
Deep transfer learning strategy in intelligent fault diagnosis of gas turbines based on the Koopman operator
( Elsevier , 2024 , Article)The gas turbine engine is a predominant prime mover in the transport and energy sectors, and ensuring its reliable operation holds paramount significance. While intelligent fault diagnosis (FD) approaches have seen successful ... -
Cyberattack and Machine-Induced Fault Detection and Isolation Methodologies for Cyber-Physical Systems
( Institute of Electrical and Electronics Engineers Inc. , 2024 , Article)In this article, the problem of simultaneous cyberattack and fault detection and isolation (CAFDI) for both centralized and large-scale interconnected cyber-physical systems (CPSs) is studied. The proposed methodologies ... -
Deep reinforcement learning-based control of chemo-drug dose in cancer treatment
( Elsevier , 2024 , Article)Background and objective: Advancement in the treatment of cancer, as a leading cause of death worldwide, has promoted several research activities in various related fields. The development of effective treatment regimens ... -
Autonomous Target Docking With Obstacle Avoidance and Final Velocity Control for Non-Holonomic Mobile Robots
( Institute of Electrical and Electronics Engineers Inc. , 2024 , Article)Robust, reliable, low-cost, and precise target docking solutions are in high demand in the industry. This paper investigates the docking problem of two non-holonomic robots with a fork attached to one of them and a docking ... -
A Distributed High-Impedance Fault Detection and Protection Scheme in DC Microgrids
( Institute of Electrical and Electronics Engineers Inc. , 2024 , Article)This paper proposes a high-impedance fault (HIF) detection and protection scheme for DC microgrids. HIFs occur when a (live) conductor makes contact with a surface which restricts the flow of fault current to a level that ... -
Obstacle Avoidance for Non-Holonomic Mobile Manipulator Using System's Redundancy with Control Barrier Functions
( Institute of Electrical and Electronics Engineers Inc. , 2024 , Conference)This paper proposes a new method to guarantee safety in mobile manipulator systems. A system including a fixed-base manipulator mounted on a mobile platform is regarded as a mobile manipulator, which requires complex design ... -
Robust Adaptive fixed-time Observer based Multi Platoon Formation control with Saturation
( Institute of Electrical and Electronics Engineers Inc. , 2024 , Conference)In this paper, we propose an observer-based mixed finite and fixed-time distributed multi-leader platoon control strategy for connected vehicles. The vehicles under consideration are partitioned into different groups ... -
Observer-based Event-Triggered Control of Load Frequency Control System
( Institute of Electrical and Electronics Engineers Inc. , 2024 , Conference)The aim of the work is to develop an observer-based H∞ controller for traditional load frequency control (LFC) system with time-varying communication delay and by using output-based event-triggered communication scheme. ...
