Browsing by Subject "Dynamics"

Now showing items 1-20 of 53

    • Article  

      Achieving reliability in master-worker computing via evolutionary dynamics 

      Christoforou, Evgenia; Fernández Anta, Antonio; Georgiou, Chryssis; Mosteiro, Miguel A.; Sánchez, A. (2012)
      This work considers Internet-based task computations in which a master process assigns tasks, over the Internet, to rational workers and collect their responses. The objective is for the master to obtain the correct task ...
    • Article  

      Adaptive LQ control with anti-windup augmentation to optimize UAV performance in autonomous soaring applications 

      Kahveci, N. E.; Ioannou, Petros A.; Mirmirani, M. D. (2008)
      The performance of a glider can be considerably improved by means of soaring and optimization of its trajectory. Recent advances in the area of static soaring assume known linear glider dynamics and no actuator saturation ...
    • 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  

      Applying the dynamics of evolution to achieve reliability in master-worker computing 

      Christoforou, Evgenia; Fernández Anta, Antonio; Georgiou, Chryssis; Mosteiro, Miguel A.; Sánchez, A. (2013)
      We consider Internet-based master-worker task computations, such as SETI@home, where a master process sends tasks, across the Internet, to worker processes
    • Article  

      Assignment of natural frequencies by an added mass and one or more springs 

      Kyprianou, Andreas; Mottershead, J. E.; Ouyang, H. (2004)
      The problem of assigning natural frequencies to a multi-degree-of-freedom undamped system by an added mass connected by one or more springs is addressed. The added mass and stiffnesses are determined using receptances from ...
    • Conference Object  

      Brief announcement: Achieving reliability in master-worker computing via evolutionary dynamics 

      Christoforou, Evgenia; Fernández Anta, Antonio; Georgiou, Chryssis; Mosteiro, Miguel A.; Sanchez, A. (2012)
      This work considers Internet-based task computations in which a master process assigns tasks, over the Internet, to rational workers and collect their responses. The objective is for the master to obtain the correct task ...
    • Article  

      Carrier dynamics in InS nanowires grown via chemical vapor deposition 

      Othonos, A.; Zervos, Matthew (2010)
      Transient femtosecond absorption spectroscopy and timecorrelating single photon counting (TCSPC) photoluminescence (PL) were employed to study InS nanowires (NWs) grown by chemical vapor deposition (CVD) and determine the ...
    • Article  

      Carrier dynamics in InS nanowires grown via chemical vapor deposition 

      Othonos, Andreas S.; Zervos, Matthew (2010)
      Transient femtosecond absorption spectroscopy and timecorrelating single photon counting (TCSPC) photoluminescence (PL) were employed to study InS nanowires (NWs) grown by chemical vapor deposition (CVD) and determine the ...
    • Article  

      Carrier dynamics in Β-Ga2O3 nanowires 

      Othonos, A.; Zervos, Matthew; Christofides, C. (2010)
      Carrier dynamics have been investigated in Β-Ga2O 3 nanowires (NWs) grown by the vapor-liquid-solid mechanism, using ultrashort transient absorption spectroscopy in conjunction with time-correlating single photon counting ...
    • Article  

      CHARMM: The biomolecular simulation program 

      Brooks, B. R.; Brooks III, C. L.; Mackerell Jr., A. D.; Nilsson, L.; Petrella, R. J.; Roux, B.; Won, Y.; Archontis, Georgios Z.; Bartels, C.; Boresch, S.; Caflisch, A.; Caves, L.; Cui, Q.; Dinner, A. R.; Feig, M.; Fischer, S.; Gao, J.; Hodoscek, M.; Im, W.; Kuczera, K.; Lazaridis, T.; Ma, J.; Ovchinnikov, V.; Paci, E.; Pastor, R. W.; Post, C. B.; Pu, J. Z.; Schaefer, M.; Tidor, B.; Venable, R. M.; Woodcock, H. L.; Wu, X.; Yang, W.; York, D. M.; Karplus, M. (2009)
      CHARMM (Chemistry at HARvard Molecular Mechanics) is a highly versatile and widely used molecular simulation program. It has been developed over the last three decades with a primary focus on molecules of biological interest, ...
    • Article  

      Computational study of the dispersively modified Kuramoto-Sivashinsky equation 

      Akrivis, Georgios; Papageorgiou, Demetrios T.; Smyrlis, Yiorgos-Sokratis (2012)
      We analyze and implement fully discrete schemes for periodic initial value problems for a general class of dispersively modified Kuramoto-Sivashinsky equations. Time discretizations are constructed using linearly implicit ...
    • Article  

      Directly computable L2 and L∞ performance bounds for morse's dynamic certainty equivalence adaptive controller 

      Datta, Aniruddha; Ioannou, Petros A. (1995)
      In this paper we consider a model reference adaptive control scheme where the classical error augmentation and standard tuning error normalization are avoided through the use of Morse's high‐order tuner. We consider the ...
    • Conference Object  

      Discrete-time Adaptive Mixing Control with stability-preserving interpolation: The output regulation problem 

      Baldi, S.; Ioannou, Petros A.; Mosca, E. (2011)
      The main result of this paper is the extension of the Adaptive Mixing Control (AMC) approach, to the discrete-time setting. The stability and robustness properties of the adaptive mixing control scheme are analyzed. It is ...
    • Article  

      Dynamic count filters 

      Aguilar-Saborit, J.; Trancoso, Pedro; Muntes-Mulero, V.; Larriba-Pey, J. L. (2006)
      Bloom filters are not able to handle deletes and inserts on multisets over time. This is important in many situations when streamed data evolve rapidly and change patterns frequently. Counting Bloom Filters (CBF) have been ...
    • Conference Object  

      The Dynamics of Vehicular Networks in Large-Scale Urban Environments 

      Loulloudes, Nicholas; Pallis, George C.; Dikaiakos, Marios D. (Institute of Electrical and Electronics Engineers Inc., 2016)
      Vehicular Ad hoc Networks (VANETs) have emerged as a platform to support Intelligent Transportation Applications. A key to the development of protocols and services for IVC lies in the knowledge of the topological ...
    • Article  

      Excitation dynamics of a low bandgap silicon-bridged dithiophene copolymer and its composites with fullerenes 

      Othonos, Andreas S.; Itskos, Grigorios; Neophytou, Marios; Choulis, Stelios A. (2012)
      We report on excitation dynamics in pristine and bulk heterojunction films of the low bandgap silicon-bridged dithiophene copolymer poly[(4,4′-bis(2- ethylhexyl)dithieno[3,2-b:2′, 3′-d]silole)-2,6-diyl-alt-(4,7-bis(2- ...
    • Conference Object  

      Fault-tolerant linear finite state machines 

      Hadjicostis, Christoforos N.; Verghese, G. C. (Institute of Electrical and Electronics Engineers Inc., 1999)
      In this paper we develop a framework for constructing fault-tolerant dynamic systems, focusing primarily on linear finite state machines (LFSMs). Modular redundancy, the traditional approach to fault tolerance, is expensive ...
    • Article  

      Femtosecond carrier dynamics in In 2O 3 nanocrystals 

      Othonos, A.; Zervos, Matthew; Tsokkou, D. (2009)
      We have studied carrier dynamics in In 2O 3 nanocrystals grown on a quartz substrate using chemical vapor deposition. Transient differential absorption measurements have been employed to investigate the relaxation dynamics ...
    • Article  

      Femtosecond carrier dynamics in In 2O 3 nanocrystals 

      Othonos, Andreas S.; Zervos, Matthew; Tsokkou, Demetra (2009)
      We have studied carrier dynamics in In 2O 3 nanocrystals grown on a quartz substrate using chemical vapor deposition. Transient differential absorption measurements have been employed to investigate the relaxation dynamics ...
    • Article  

      Femtosecond dynamics in single wall carbon nanotube/poly(3-hexylthiophene) composites 

      Lioudakis, Emmanouil E.; Othonos, Andreas S.; Alexandrou, Ioannis (2008)
      Femtosecond transient absorption measurements on single wall carbon nanotube/poly(3-hexylthiophene) composites are used to investigate the relaxation dynamics of this blended material. The influence of the addition of ...