• Article  

      Acceptance and resolution simulation studies for the dielectron spectrometer HADES at GSI 

      Schicker, R.; Brenschede, A.; Garrow, K.; Schön, H.; Bałanda, A.; Bokemeyer, H.; Friese, J.; Karig, W.; Kienle, P.; Koenig, W.; Kühn, W.; Lefèvre, F.; Metag, V.; Roche, G.; Salabura, P.; Schröter, A.; Stroth, J.; Tsertos, Haralambos (1996)
      Design studies for a second generation dilepton spectrometer to be built at the SIS accelerator of GSI Darmstadt are presented. The basic design parameters of this system are specified and the different detector components ...
    • 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 an aeroelastic airbreathing hypersonic cruise vehicle 

      Kuipers, M.; Mirmirani, M.; Ioannou, Petros A.; Huo, Y. (2007)
      This paper describes an adaptive linear quadratic (ALQ) altitude and velocity tracking control algorithm for the longitudinal model of a generic airbreathing hypersonic flight vehicle. The vehicle design is inspired by a ...
    • 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 control of unmanned aerial vehicles in atmospheric flight with reduced models 

      Kahveci, N. E.; Ioannou, Petros A.; Mirmirani, M. D. (2007)
      We propose an approximate implementation scheme for an adaptive linear quadratic control structure by employing a balanced truncation procedure in the loop prior to solving the associated Algebraic Riccati Equation (ARE). ...
    • Conference Object  

      Adaptive high-end microprocessor for power-performance efficiency 

      Trancoso, Pedro (2006)
      Microprocessor development costs are considerably high. To minimize these costs, manufacturers produce a single design that better satisfies, in average, a wide range of applications. Nevertheless, as applications have ...
    • Conference Object  

      Adaptive linear quadratic design with application to F-16 fighter aircraft 

      Huo, Y.; Mirmirani, M.; Ioannou, Petros A.; Colgren, R. (2004)
      This paper investigates an adaptive linear quadratic (ALQ) control design with its application to the longitudinal model of the F-16 fighter aircraft. The certainty equivalence principle is used to combine the adaptive law ...
    • Conference Object  

      Adaptive mode suppression scheme for an aeroelastic airbreathing hypersonic cruise vehicle 

      Levin, J.; Ioannou, Petros A.; Mirmirani, M. D. (2008)
      This paper presents an adaptive mode suppression scheme that is simulated on a longitudinal model of a generic airbreathing hypersonic flight vehicle. An aerodynamically optimized vehicle model is used which has a long ...
    • Article  

      Adaptive nonlinear congestion controller for a differentiated-services framework 

      Pitsillides, Andreas; Ioannou, Petros A.; Lestas, Marios; Rossides, Loukas (2005)
      The growing demand of computer usage requires efficient ways of managing network traffic in order to avoid or at least limit the level of congestion in cases where increases in bandwidth are not desirable or possible. In ...
    • Conference Object  

      Adaptive probabilistic flooding for Information Hovering in VANETs 

      Xeros, Andreas; Lestas, Marios; Andreou, Maria I.; Pitsillides, Andreas (2010)
      Information Hovering applies in many applications in Vehicular Ad Hoc Networks, where useful information needs to be made available to all vehicles within a confined geographical area for a specific time interval. A ...
    • 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  

      Adaptive vehicle following control system with variable time headways 

      Zhang, J.; Ioannou, Petros A. (2005)
      In this paper, we design a vehicle following control system with variable time headways, using adaptive control design methodology. It is shown that the designed vehicle following control system guarantees closed-loop ...
    • Article  

      Adaptive virtual circuit routing 

      Economides, Anastasios A.; Ioannou, Petros A.; Silvester, J. A. (1996)
      The paper deals with the adaptive routing problem in virtual circuit communication networks. A newly arriving call at a source node is routed along the minimum length path to its destination node. All packets belonging to ...
    • Article  

      Analysis of traffic flow with mixed manual and semiautomated vehicles 

      Bose, A.; Ioannou, Petros A. (2003)
      The introduction of semiautomated vehicles designed to operate with manually driven vehicles is a realistic near-term objective. The purpose of this paper is to analyze the effects on traffic-flow characteristics and ...
    • Conference Object  

      An analytical model for the calculation of the Expected Miss Ratio in faulty caches 

      Sánchez, D.; Sazeides, Yiannakis; Aragón, J. L.; García, J. M. (2011)
      Technology scaling improvement is affecting the reliability of ICs due to increases in static and dynamic variations as well as wear-out failures. This is particularly true for caches that dominate the area of modern ...
    • Article  

      An analytical solution for rapidly distorted turbulent shear flow in a rotating frame 

      Akylas, Evaggelos; Kassinos, Stavros C.; Langer, A. C. (2006)
      In this study we apply rapid distortion theory to the case of nonstratified homogeneous turbulence that is sheared in a frame that counter-rotates at a rate that matches in magnitude the rotation associated with the mean ...
    • Conference Object  

      Analytical target cascading for the design of an advanced technology heavy truck 

      Louca, Loucas S.; Kokkolaras, M.; Delagrammatikas, G. J.; Michelena, N. F.; Filipi, Z. S.; Papalambros, P. Y.; Assanis, D. N. (American Society of Mechanical Engineers (ASME), 2002)
      Analytical target cascading (ATC) is a methodology that can be used during the early development stages of large and complex systems for propagating desirable overall product targets to appropriate individual specifications ...
    • Conference Object  

      Analyzing the workload of scientific visualization tools: A preliminary study on TIPSY 

      Dikaiakos, Marios D. (IEEE, 1997)
      Theoretical Image Processing SYstem (TIPSY) is a portable, client-server, interactive package for visualization and analysis of astrophysics and astronomy simulations. The workload characteristics of this interactive ...