Now showing items 115-134 of 229

  • [2012-03-29] Machine learning based CDMA power control 

    Abdallah, Chaouki T.; Rohwer, Judd A.; Christodoulou, Christos G.
    This paper presents binary and multiclass machine learning techniques for CDMA power control. The power control commands are based on estimates of the signal and noise subspace eigenvalues and the signal subspace dimension. ...
  • [2012-01-26] Managed Control of Composite Cloud Systems 

    Abdallah, Chaouki T.; Lamb, Christopher C.; Jamkhedkar, Pramod A.; Heileman, Gregory L.
    Cloud providers have just begun to provide primitive functionality enabling users to configure and easily provision resources, primarily in the infrastructure as a service domain. In order to effectively manage cloud ...
  • [2006-03-10] Markov Process Analysis of PCM Line Monitors 

    Foschini, Gerald; Salazar, Andres C.; Smith, James
  • [2012-03-27] Masters and Novices 

    Abdallah, Chaouki T.
    On 5–6 June 2005, the Electrical and Computer Engineering Department of the University of New Mexico organized a workshop to celebrate the career of Peter Dorato. The event was held at Los Poblanos Inn, an historic inn and ...
  • [2012-03-29] Microwave-propelled sails and their control 

    Abdallah, Chaouki T.; Chahine, E.; Schamiloglu, E.
    This paper presents the microwave-propelled sail, its structure, assumptions. We will present its equations of motion, then we will conduct stability analysis and we will design two controllers to make it asymptotically ...
  • [2012-03-24] A Mobile Transient Internet Architecture 

    Abdallah, Chaouki T.; Jerez, Henry N.; Khoury, Joud
    This paper describes a new architecture for transient mobile networks destined to merge existing and future network architectures, communication implementations and protocol operations by introducing a new paradigm to data ...
  • [2012-04-19] Model following using multilayer perceptrons 

    Abdallah, Chaouki T.; Hush, Don; Horne, B.
    A model following controller is proposed for discrete nonlinear systems using a recursive multilayer perceptron (MLP). The MLP network contains dynamics and is able to minimize the error between the plant and a desired ...
  • [2012-03-29] Model-based networked control for finite-time stability of nonlinear systems: the deterministic case 

    Abdallah, Chaouki T.
    In this paper we analyze model-based networked control systems for a discrete-time nonlinear plant model, operating in the presence of deterministic dropout of state observations. The dropout is modeled using communication ...
  • [2012-03-29] Model-based networked control for finite-time stability of nonlinear systems: the stochastic case 

    Abdallah, Chaouki T.; Mastellone, S.; Dorato, P.
    In this paper we analyze model-based networked control systems for a discrete-time nonlinear plant model, operating in the presence of stochastic dropout of state observations. The dropout is modeled as a Markov chain, and ...
  • [2012-03-29] Model-based networked control for nonlinear systems with stochastic packet dropout 

    Abdallah, Chaouki T.
    In this paper we analyze model-based networked control systems for a discrete-time nonlinear plant model, operating in the presence of stochastic dropout of state observations. The dropout is modelled as a Markov chain, ...
  • [2012-01-26] Modeling multi-agent systems with hybrid interacting dynamics 

    Abdallah, Chaouki T.; Piovesan, Jorge; Tanner, Herbert
    We present a new framework for describing multi-agent systems with hybrid interacting dynamics, where the interaction between agents occurs at both the continuous and discrete levels. We define multi-agent systems as ...
  • [2012-03-29] Necessary and sufficient conditions for finite-time stability of linear systems 

    Abdallah, Chaouki T.; Amato, F.; Ariola, M.; Cosentino, C.; Dorato, P.
    In this paper we consider the finite-time stability and finite-time boundedness problems for linear systems subject to exogenous disturbances. The main results of the paper are some necessary and sufficient conditions, ...
  • [2006-03-10] Network Management Systems for Data Communications 

    Salazar, Andres C.; Scarfo, Phil; Horn, Robert
  • [2012-03-30] Networked control systems: a sampled-data approach 

    Abdallah, Chaouki T.; Hokayem, Peter E.
    Browse > Conferences> Intelligent Control. 2003 IEEE ... Networked control systems: a sampled-data approach .1254671 abstract . Hokayem, P.F.; Abdallah, C.T.; Dept. of EECE, Univ. of New Mexico, Albuquerque, ...
  • [2012-04-12] Neural networks in fault detection: a case study 

    Abdallah, Chaouki T.; Hush, D.R.; Heileman, G.L.; Docampo, D.
    We study the applications of neural nets in the area of fault detection in real vibrational data. The study is one of the first to include a large set of real vibrational data and to illustrate the potential as well as the ...
  • [2012-04-13] A neural-network model of the input/output characteristics of a high-power backward wave oscillator 

    Abdallah, Chaouki T.; Yang, Wei; Schamiloglu, Edl; Moreland, Larald D.
    This paper discusses an approach to model the input/output characteristics of the Sinus-6 electron beam accelerator-driven backward wave oscillator. Since the Sinus-6 is extremely fast to warrant the inclusion of dynamical ...
  • [2012-03-29] New Approaches to High Power Microwave Computation and Experimentation 

    Abdallah, Chaouki T.; Schamiloglu, EdI
    This final technical report describes the conclusion of effort on the New World Vistas grant entitled "New Approaches to High Power Microwave Computation and Experimentation.' In the final year of effort we focused on ...
  • [2012-04-19] New extreme-point robust stability results for discrete-time polynomials 

    Abdallah, Chaouki T.; Perez, F.; Docampo, D.
    This paper provides some new extreme-point robust-stability results for discrete-time polynomials with special uncertainties in the coefficient space. The proofs, obtained using the barycentric coordinates, are simple and ...
  • [2012-04-13] Nonlinear observer design using dynamic recurrent neural networks 

    Abdallah, Chaouki T.; Kim, Young H.; Lewis, Frank L.
    A nonlinear observer for a general class of single-output nonlinear systems is proposed based on a generalized dynamic recurrent neural network (DRNN). The neural network (NN) weights in the observer are tuned online, with ...
  • [2012-03-29] Nonlinear stability analysis for non-polynomial systems 

    Abdallah, Chaouki T.; Mastellone, S.; Hokayem, P.F.; Dorato, Peter
    In this paper the stability analysis of nonlinear systems is studied through different approaches. The main idea of the paper is to map the original class of nonlinear systems into a smaller subclass of systems described ...