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IEEE Transactions on Automatic Control

Issue 8 • August 1986

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Displaying Results 1 - 25 of 31
  • [Front cover and table of contents]

    Publication Year: 1986, Page(s): 0
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    Freely Available from IEEE
  • Scanning the issue

    Publication Year: 1986, Page(s): 689
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  • An optimal adaptive routing algorithm

    Publication Year: 1986, Page(s):690 - 700
    Cited by:  Papers (14)
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (911 KB)

    An adaptive routing algorithm for packet-switched networks is proposed. This algorithm updates both the estimate of external traffic input and the routing assignments at each iteration. The routing assignments determine the proportions of the traffic destined for nodejto be sent from nodeithrough the outgoing links ofi. The algorithm maintains the loop freedom of t... View full abstract»

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  • Characterization and efficient computation of the structured singular value

    Publication Year: 1986, Page(s):734 - 743
    Cited by:  Papers (108)
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (874 KB)

    The concept of structured singular value was recently introduced by Doyle [1] as a tool for the analysis and synthesis of feedback systems with structured uncertainties. It is a key to the design of control systems under joint robustness and performance specifications and it very nicely complements theH^{infty}approach to control system design. in this paper, it is shown that the struct... View full abstract»

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  • Global constrained holdability of discrete-time systems

    Publication Year: 1986, Page(s):761 - 763
    Cited by:  Papers (1)
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (305 KB)

    Global constrained holdability of a discrete-time system is considered. This problem is concerned with determining if for every, initial state in a given convex holding set, there exists a control, subject to specified magnitude constraints, which keeps the state of the system in the holding set. A condition for checking global constrained holding is presented. A method for computing a control, su... View full abstract»

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  • Weighted sensitivity minimization for delay systems

    Publication Year: 1986, Page(s):763 - 766
    Cited by:  Papers (84)
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (380 KB)

    In this note we discuss theH^{infty}-sensitivity minimization problem for linear time-invariant delay systems. While the unweighted case reduces to simple Nevanlinna-Pick interpolation, the weighted case turns out to be much more complicated and demands certain functional-analytic techniques for its solution. View full abstract»

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  • Robust stabilizer synthesis for feedback systems containing time-varying nonlinear perturbations

    Publication Year: 1986, Page(s):768 - 771
    Cited by:  Papers (5)
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (357 KB)

    A new circle criterion is developed to solve the robust stabilization problem of a feedback system with time-varying nonlinear perturbations which is different than previous results. Theorems presented in this note can be employed to treat systems with stable or unstable plants. The generally stabilizing controller, proposed by Youla et al. and the Schur function (ClassS) will be employ... View full abstract»

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  • Robust adaptive controller with zero residual tracking errors

    Publication Year: 1986, Page(s):773 - 776
    Cited by:  Papers (48)
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (376 KB)

    The adaptive control of a plant whose dominant part has transfer function with relative degreen^{ast} = 1has been considered in the presence of parasitics and disturbances. A new adaptive law is proposed which guarantees the existence of a large region of attraction from which all signals are bounded and the tracking error converges to a small residual set. In contrast to the adaptive l... View full abstract»

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  • Comments on "On the number of solutions of multivariable polynomial systems"

    Publication Year: 1986, Page(s): 796
    Cited by:  Papers (2)
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (131 KB)

    First Page of the Article
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  • Comments on "Balanced gains and their significance for L2model reduction"

    Publication Year: 1986, Page(s):796 - 797
    Cited by:  Papers (12)
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (201 KB)

    First Page of the Article
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  • Comments on "Design of state estimator for a class of time-varying multivariable systems"

    Publication Year: 1986, Page(s): 797
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (87 KB)

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  • Author's reply

    Publication Year: 1986, Page(s): 797
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  • [Back cover]

    Publication Year: 1986, Page(s): 0
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    Freely Available from IEEE
  • Discrete-time adaptive control utilizing prior information

    Publication Year: 1986, Page(s):779 - 782
    Cited by:  Papers (9)
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (360 KB)

    We present schemes for discrete-time adaptive control of a linear time-invariant system, which is partially known, along with an analysis of their convergence properties. View full abstract»

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  • Continuous-time adaptive filtering

    Publication Year: 1986, Page(s):776 - 779
    Cited by:  Papers (3)
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (408 KB)

    This note establishes necessary and sufficient conditions for convergence of Bayesian parameter estimates in continuous-time adaptive Kalman filter with a denumerable or finite set of parameter values. View full abstract»

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  • A parametrization for model reference adaptive pole placement

    Publication Year: 1986, Page(s):782 - 785
    Cited by:  Papers (6)
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (344 KB)

    A new parametrization for a linear system is presented. This parametrization is the basis for two approaches to design an adaptive controller for pole placement. One approach is based on parameter estimation and requires sufficient excitation, while the other, the model reference adaptive pole placement, uses a reference model and an augmented error. It is shown that the two distinct approaches re... View full abstract»

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  • A stability property

    Publication Year: 1986, Page(s):766 - 768
    Cited by:  Papers (64)
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (304 KB)

    In this note we obtain a stability property, not for a point of equilibrium, but for a certain family of asymptotically stable equilibria of a dynamical system with an input. We show that this property depends not only on the initial condition, but also on the (time) derivative of the input function. We suggest possible applications of this result to some control problems. View full abstract»

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  • Zero assignment by measurement feedback

    Publication Year: 1986, Page(s):754 - 756
    Cited by:  Papers (1)
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (240 KB)

    The problem of assigning a prescribed set of zeros to the transfer function relating external inputs to controlled outputs, by a proper, stabilizing, measurement driven controller is solved for the case of scalar signals. The set of forbidden zeros is directly calculated from the zeros of the given transfer functions and this simplicity is the main contribution of this note. This is a generalizati... View full abstract»

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  • On instrumental variable estimation of sinusoid frequencies and the parsimony principle

    Publication Year: 1986, Page(s):793 - 795
    Cited by:  Papers (10)
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (288 KB)

    Multiple sinusoids in noise can be modeled as an ARMA process with the AR parameters satisfying certain symmetry relations. According to the "parsimony principle" the constraints on the AR parameters should he taken into account to get improved estimation accuracy. It is shown in this note that when estimating the AR parameters by a general instrumental-variable method, such a parsimony does not n... View full abstract»

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  • The consumption-tracking theory of macroeconomic systems

    Publication Year: 1986, Page(s):771 - 773
    Cited by:  Papers (3)
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (280 KB)

    A new discrete-time dynamic input-output economic model, the consumption-tracking model, is proposed. This model combines dynamic input-output analysis with modern control techniques. The system objective function is a consumption-tracking criterion based on economic principles. View full abstract»

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  • Estimation of frequencies of vibration using lattices

    Publication Year: 1986, Page(s):790 - 793
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (424 KB)

    A collapsed version of the lattice-form recursive linear least-squares algorithm (the "vibration lattice") has been derived for the unforced or white noise forcing case. Under these conditions, the vibration lattice is demonstrated to be as accurate as and quicker to converge than the usual lattice. Adaptation of lattices to forced vibration is discussed. The multiple-input, multiple-output invers... View full abstract»

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  • An extended linearization approach to nonlinear system inversion

    Publication Year: 1986, Page(s):725 - 733
    Cited by:  Papers (23)
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (688 KB)

    The inversion problem for nonlinear systems is considered from both the internal viewpoint (state-equation representations) and the external viewpoint (Volterra-series representations). In order to circumvent difficulties in the known, exact inversion theory, a method for obtaining what will be called a partial inverse system is proposed. For a given nonlinear system, a cascade system, typically c... View full abstract»

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  • Vibrational control of nonlinear systems: Vibrational controllability and transient behavior

    Publication Year: 1986, Page(s):717 - 724
    Cited by:  Papers (32)
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (600 KB)

    In the first part of this work [1], the criteria for the existence of stabilizing parametric oscillations have been derived. In the present paper, the problem of choosing the stabilizing vibrations is addressed and the properties of transient behavior of vibrationally controlled nonlinear systems are analyzed. View full abstract»

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  • Reduced-order modeling and state estimation applied to gas distribution systems

    Publication Year: 1986, Page(s):701 - 709
    Cited by:  Papers (4)
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (752 KB)

    A reduced-order model for complex multifeed gas networks has been developed which is based on an aggregation procedure. The reduced model is then used with an estimation scheme to determine the pressure distribution in the network from a limited number of measurements. The results obtained show that the model yields good steady-state data over a range of operating conditions, and hence a robust es... View full abstract»

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  • On the geometry of the inverse system

    Publication Year: 1986, Page(s):751 - 754
    Cited by:  Papers (9)
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (336 KB)

    The geometry of a particular reduced-order state-space realization of the inverse of a linear, continuous, time-invariant, strictly proper system is considered. This geometry is characterized by the eigenstructure of the dynamic part of the inverse which is related to the invariant zero structure of the inverted system. A method for deriving explicit expressions for the zeros and the zero directio... View full abstract»

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Aims & Scope

In the IEEE Transactions on Automatic Control, the IEEE Control Systems Society publishes high-quality papers on the theory, design, and applications of control engineering.  Two types of contributions are regularly considered

Full Aims & Scope

Meet Our Editors

Editor-in-Chief
P. J. Antsaklis
Dept. Electrical Engineering
University of Notre Dame