Browsing by Subject "Robustness (control systems)"

Now showing items 1-20 of 66

    • Article  

      Adaptive congestion control in ATM based networks: Quality of service and high utilisation 

      Pitsillides, Andreas; Lambert, J. (1997)
      To improve network utilisation and robustness for Asynchronous Transfer Mode (ATM) networks there is increasing evidence that reactive congestion controls are necessary. However the large bandwidth-delay product and the ...
    • Conference Object  

      Adaptive connection admission and flow control: quality of service with high utilisation 

      Pitsillides, Andreas; Lambert, Jim (IEEE, 1994)
      In this paper, we use adaptive feedback and adaptive feedforward control methodologies to avoid congestion at high server utilisation. This addresses the combined connection admission and flow control problem (generic ...
    • Article  

      Adaptive control of a class of slowly time varying systems with modeling uncertainties 

      Fidan, B.; Zhang, Y.; Ioannou, Petros A. (2005)
      In a recent work, a new linear adaptive controller based on certainty-equivalence and backstepping design, which promises a level of transient and asymptotic performance comparable to that of the tuning functions adaptive ...
    • Conference Object  

      Adaptive control of linear time varying systems 

      Zhang, Youping; Ioannou, Petros A. (1996)
      A new class of adaptive controllers for linear time varying systems is designed and analyzed using nonlinear design techniques and the certainty-equivalence approach. It is established that this new class of controllers ...
    • Article  

      Adaptive sliding mode control design for a hypersonic flight vehicle 

      Xu, H.; Mirmirani, M. D.; Ioannou, Petros A. (2004)
      A multi-input/multi-output adaptive sliding controller is designed and analyzed for the longitudinal dynamics of a generic hypersonic air vehicle. This vehicle model is nonlinear, multivariable, and unstable and includes ...
    • Conference Object  

      Adaptive sliding mode control of a hypersonic flight vehicle 

      Xu, H.; Leung, P.; Mirmirani, M.; Boussalis, Helen R.; Ioannou, Petros A. (2001)
      A Multi Input Multi Output (MIMO) adaptive sliding controller is designed and analyzed for the longitudinal dynamics of a generic hypersonic air vehicle. This vehicle model is highly nonlinear, multivariable, unstable and ...
    • Conference Object  

      Analysis and passive control of a four-bar linkage for the rehabilitation of upper-limb motion 

      Xydas, E. G.; Louca, Loucas S.; Mueller, A. (American Society of Mechanical Engineers, 2015)
      In the last two decades robotic rehabilitation research provided significant insight regarding the human-robot interaction, helped understand the process by which the impaired nervous system is retrained to better control ...
    • Article  

      Backstepping Control of Linear Time-Varying Systems with Known and Unknown Parameters 

      Zhang, Y.; Fidan, B.; Ioannou, Petros A. (2003)
      The backstepping control design procedure has been used to develop stabilizing controllers for time invariant plants that are linear or belong to some class of nonlinear systems. The use of such a procedure to design ...
    • Conference Object  

      Centralized, decentralized, and overlapping control designs for a segmented telescope 

      Li, K.; Kosmatopoulos, E. B.; Ioannou, Petros A.; Boussalis, Helen R. (IEEE, 1999)
      The accurate control of the segments of large segmented telescopes to achieve the desired shape could open the way for the construction of much larger telescopes with much better capabilities. In this article, we consider ...
    • Conference Object  

      Congestion control in differentiated services networks using fuzzy logic 

      Chrysostomou, Chrysostomos; Pitsillides, Andreas; Hadjipollas, George; Polycarpou, Marios M.; Sekercioglu, Y. Ahmet (2004)
      The provision of quality of service (QoS) in a differentiated services (Diff-Serv) environment requires an adequate differentiation between high-priority/assured and low-priority/best-effort classes of service in the ...
    • Article  

      Control techniques for a large segmented reflector 

      Li, K.; Kosmatopoulos, E. B.; Ioannou, Petros A.; Boussalis, Helen R.; Mirmirani, M.; Chassiakos, Anastassios (1998)
      NASA has founded a project to design and construct a test-bed in the Controls and Structures Laboratory at the California State University to study the complex dynamic behavior of large segmented optical systems. The ...
    • Article  

      Effective control of traffic flow in ATM networks using fuzzy explicit rate marking (PERM) 

      Pitsillides, Andreas; Sekercioglu, Y. Ahmet; Ramamurthy, G. (1997)
      In this paper, we describe the fuzzy explicit rate marking (FERM) traffic flow control algorithm for a class of best effort service, known as available bit rate (ABR), proposed by the ATM Forum. FERM is an explicit rate ...
    • Conference Object  

      First passage risk-sensitive criterion for stochastic evolutions 

      Charalambous, Charalambos D.; Hibey, Joseph L. (1995)
      The purpose of this paper is to investigate in an infinite dimensional space, the first passage problem with a risk-sensitive performance criterion, and to illustrate the asymptotic behavior of the associated value function, ...
    • Conference Object  

      An intelligent flight control design with guaranteed flying quality 

      Huo, Y.; Ioannou, Petros A.; Mirmirani, M. (2006)
      This paper investigates an adaptive pole placement control design aiming at guaranteed flying qualities, which are specified by military standards. Flying qualities are updated online with different flight regimes and are ...
    • Conference Object  

      Is robustness of stochastic uncertain systems related to information theory and statistical mechanics? 

      Charalambous, Charalambos D.; Kyprianou, Andreas (2005)
      Fifty years ago, when Claude Shannon was developing the Mathematical Theory of Communications, for reliable data transmission, which evolved into the subject of information theory, another discipline was developing dealing ...
    • Conference Object  

      Is robustness of stochastic uncertain systems related to information theory and statistical mechanics? 

      Charalambous, Charalambos D.; Kyprianou, Andreas (Affiliation: Department of Electrical and Computer Engineering, University of Cyprus, Nicosia, CyprusAffiliation: Department of Mechanical and Manufacturing Engineering, University of Cyprus, Nicosia, CyprusAffiliation: School of Information Technology and Engineering, University of Ottawa, 161 Louis Pasteur, A519, Ottawa, Ont. K1N 6N5, CanadaCorrespondence Address: Charalambous, C.D.Department of Electrical and Computer Engineering, University of Cyprus, Nicosia, Cyprusemail: chadcha@ucy.ac.cy, 2005)
      Fifty years ago, when Claude Shannon was developing the Mathematical Theory of Communications, for reliable data transmission, which evolved into the subject of information theory, another discipline was developing dealing ...
    • Conference Object  

      Is robustness of stochastic uncertain systems related to information theory and statistical mechanics? 

      Charalambous, C. D.; Kyprianou, Andreas (Affiliation: Department of Electrical and Computer Engineering, University of Cyprus, Nicosia, CyprusAffiliation: Department of Mechanical and Manufacturing Engineering, University of Cyprus, Nicosia, CyprusAffiliation: School of Information Technology and Engineering, University of Ottawa, 161 Louis Pasteur, A519, Ottawa, Ont. K1N 6N5, CanadaCorrespondence Address: Charalambous, C.D.Department of Electrical and Computer Engineering, University of Cyprus, Nicosia, Cyprusemail: chadcha@ucy.ac.cy, 2005)
      Fifty years ago, when Claude Shannon was developing the Mathematical Theory of Communications, for reliable data transmission, which evolved into the subject of information theory, another discipline was developing dealing ...
    • Conference Object  

      Learning laws exponential error convergence for recurrent neural networks 

      Kosmatopoulos, Elias B.; Christodoulou, Manolis A.; Ioannou, Petros A. (Publ by IEEE, 1993)
      In this paper, we propose new learning laws for adjusting the weights of recurrent high order neural networks (RHONN) when they are used to system identification problems. The main advantages of these learning laws over ...
    • Conference Object  

      A mathematical framework for robust control over uncertain communication channels 

      Charalambous, Charalambos D.; Farhadi, A. (2005)
      In this paper, a mathematical framework for studying robust control over uncertain communication channels is introduced. The theory is developed by 1) Generalizing the classical information theoretic measures to the robust ...
    • Conference Object  

      MIMO disturbance and plant uncertainty attenuation by feedback 

      Djouadi, S. M.; Charalambous, Charalambos D. (2002)
      This paper investigates the ability of feedback to reduce plant and disturbance uncertainties in the MIMO case, by solving two fundamental problems posed by Zames in the late seventies. The approach used here is Banach ...