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  • 1
    Electronic Resource
    Electronic Resource
    H ∞-Control for Markovian Jumping Linear Systems with Parametric Uncertainty (1997)
    Springer
    Journal of optimization theory and applications 95 (1997), S. 75-99 
    Details
    ISSN: 1573-2878
    Keywords: H ∞-control ; Markovian jumping parameters ; Riccati inequalities ; state feedback ; uncertain systems
    Source: Springer Online Journal Archives 1860-2000
    Topics: Mathematics
    Notes: Abstract This paper studies the problem of H ∞-control for linear systems with Markovian jumping parameters. The jumping parameters considered here are two separable continuous-time, discrete-state Markov processes, one appearing in the system matrices and one appearing in the control variable. Our attention is focused on the design of linear state feedback controllers such that both stochastic stability and a prescribed H ∞-performance are achieved. We also deal with the robust H ∞-control problem for linear systems with both Markovian jumping parameters and parameter uncertainties. The parameter uncertainties are assumed to be real, time-varying, norm-bounded, appearing in the state matrix. Both the finite-horizon and infinite-horizon cases are analyzed. We show that the control problems for linear Markovian jumping systems with and without parameter uncertainties can be solved in terms of the solutions to a set of coupled differential Riccati equations for the finite-horizon case or algebraic Riccati equations for the infinite-horizon case. Particularly, robust H ∞-controllers are also designed when the jumping rates have parameter uncertainties.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1023/A:1022683311870
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    Paper (German National Licenses)
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  • 2
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    Field-induced spin-flop transitions in single-crystalline CaCo_{2}As_{2} (2012)
    American Physical Society (APS)
    Details
    Publication Date: 2012-04-26
    Description: Author(s): B. Cheng, B. F. Hu, R. H. Yuan, T. Dong, A. F. Fang, Z. G. Chen, G. Xu, Y. G. Shi, P. Zheng, J. L. Luo, and N. L. Wang CaCo 2 As 2 , a ThCr 2 Si 2 -structure compound, undergoes an antiferromagnetic transition at T N =76 K with the magnetic moments being aligned parallel to the c axis. Electronic transport measurement reveals that the coupling between conducting carriers and magnetic order in CaCo 2 As 2 is much weaker compared ... [Phys. Rev. B 85, 144426] Published Wed Apr 25, 2012
    Keywords: Magnetism
    Print ISSN: 1098-0121
    Electronic ISSN: 1095-3795
    Topics: Physics
    Published by American Physical Society (APS)
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