Browsing Electrical Engineering by Title
Now showing items 1629-1648 of 2414
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Observer based rotor failure compensation for biplane quadrotor with slung load
( Ain Shams University , 2022 , Article)In this study, mathematical modeling of biplane quadrotor with slung load is proposed. Performance of the biplane quadrotor is degrade while swinging of the slung load so to compensate it nonlinear observer based backstepping ... -
Observer-Based Leader-Following Consensus for Linear Multiagent Systems with a Leader of Unknown Input
( Institute of Electrical and Electronics Engineers Inc. , 2021 , Article)In this article, a distributed observer-based tracking control protocol is proposed for linear multiagent systems having a leader with unknown nonzero input. The leader is assumed to be uncooperative, i.e., no communication ... -
Observer-based tracking controller design for a class of Lipschitz nonlinear systems
( SAGE Publications Inc , 2018 , Article Review)© 2017, © The Author(s) 2017. In this paper, the observer-based controller design problem for tracking a constant reference input in Lipschitz nonlinear systems is addressed. To this end, at first, a state feedback controller ... -
OCR based feature extraction and template matching algorithms for Qatari number plate
( Institute of Electrical and Electronics Engineers Inc. , 2016 , Conference Paper)There are several algorithms and methods that could be applied to perform the character recognition stage of an automatic number plate recognition system; however, the constraints of having a high recognition rate and ... -
OCR-based hardware implementation for qatari number plate on the Zynq SoC
( Institute of Electrical and Electronics Engineers Inc. , 2018 , Conference Paper)Automatic Number Plate Recognition (ANPR) systems have become widely used for safety, security, and commercial purposes. A typical ANPR system is based on three essential stages: Number Plate Localization (NPL), Character ... -
OFDM Full-Duplex DF Relaying under I/Q Imbalance and Loopback Self-Interference
( Institute of Electrical and Electronics Engineers Inc. , 2016 , Article)We analyze the outage probability of dual-hop full-duplex (FD) decode-and-forward (DF) relaying for an orthogonal frequency-division multiplexing (OFDM) system in the presence of in-phase and quadrature-phase (I/Q) imbalance ... -
Off - Grid Power Supply Solution for Portable Cabins using Solar PV System for Qatar
( Qatar University Press , 2021 , Poster)In this project, a new system for power supply for remote areas has been proposed. In the proposed system, solar PV based system with battery storage for stand-along application has been discussed. In addition, the use of ... -
On ambient temperature of transformer substations in desert climates
( Institute of Electrical and Electronics Engineers Inc. , 2021 , Conference Paper)Ambienttemperatures used as inputs for transformer prediction, monitoring, or aging algorithms are normally obtained from the atmospheric data available from local and international meteorological agencies. While easy to ... -
On Channel Selection for Carrier Aggregation Systems
( Institute of Electrical and Electronics Engineers Inc. , 2018 , Article)In this paper, the problem of sub-channel selection for carrier aggregation (CA) systems is examined. CA enables the achievement of high data rate links via simultaneous transmissions over multiple component carriers. A ... -
On correlation-based channel sensing with IQ imbalance
( Institute of Electrical and Electronics Engineers Inc. , 2019 , Conference Paper)This paper addresses the problem of the detection of the presence of a pre-classified (i.e., pulse shape is known) signals with IQ imbalance considering free-space path-loss. We study the effect of IQ distortion on the ... -
On design of nonlinear event-triggered suboptimal tracking controller
( Institute of Electrical and Electronics Engineers Inc. , 2017 , Conference Paper)In this paper, using the state-dependent Riccati equation (SDRE) technique, a suboptimal control law is designed to solve the tracking problem for networked nonlinear discrete-time systems. Based on the proposed method, ... -
On design of suboptimal tracking controller for a class of nonlinear systems
( Institute of Electrical and Electronics Engineers Inc. , 2016 , Conference Paper)In this paper, a new technique for solving the suboptimal tracking problem for a class of nonlinear dynamical systems based on the pseudo linearization is presented. Towards this end, an optimal tracking problem using a ... -
On dual peak detection UWB receivers in noise and interference dominated environments
( Elsevier GmbH , 2016 , Article)We propose the use of a non-coherent dual peak detection architecture for ultra wideband (UWB) receivers. To benchmark our proposed architecture, the performance of non-coherent UWB receivers based on single peak, dual ... -
On ergodic capacity of wireless transmission subject to poisson distributed interferers over rayleigh fading channels
( IEEE , 2013 , Conference Paper)Poisson point process has been widely adopted in the analysis of co-channel interference in dense frequency reuse systems. With the decaying power law, the aggregate co-channel interference in Poisson field can be viewed ... -
On hierarchical network coding versus opportunistic user selection for two-way relay channels with asymmetric data rates
( IEEE , 2013 , Article)We address in this paper the challenge of coping with asymmetric data rates in two-way relay channels. We consider a relay network comprising two sources and one relay. The sources communicate at different rates through ... -
On I/Q imbalance effects in full-duplex OFDM decode-and-forward relays
( IEEE , 2014 , Conference Paper)We analyze the outage probability of dual-hop full-duplex decode-and-forward relaying for an orthogonal frequency division multiplexing system in the presence of I/Q imbalance. We derive accurate analytical approximations ... -
On network flow maximization via multihop backhauling and UAVs: An integer programming approach
( Institute of Electrical and Electronics Engineers Inc. , 2019 , Conference Paper)Although small cells (SC) densification approach plays a prominent role in achieving the data rate and coverage requirements in 5G networks, it poses serious challenges concerning the flexible and cost efficient backhauling ... -
On nonlinear vibration behavior of piezo-magnetic doubly-curved nanoshells
( Techno-Press , 2020 , Article)In this paper, nonlinear vibration behaviors of multi-phase Magneto-Electro-Elastic (MEE) doubly-curved nanoshells have been studied employing Jacobi elliptic function method. The doubly-curved nanoshell has been modeled ... -
On Optimizing the Secrecy Performance of RIS-Assisted Cooperative Networks
( Institute of Electrical and Electronics Engineers Inc. , 2020 , Conference Paper)Employing reconfigurable intelligent surfaces (RIS) is emerging as a game-changer candidate, thanks to their unique capabilities in improving the power efficiency and supporting the ubiquity of future wireless communication ... -
On orthogonal band allocation for multiuser multiband cognitive radio networks: Stability analysis
( Institute of Electrical and Electronics Engineers Inc. , 2015 , Article)In this work, we study the problem of band allocation of Mi buffered (i.e., with data queues capable of storing incoming traffic packets) secondary users (SUs) to Mp primary frequency bands licensed to (owned by) Mp buffered ...
