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- Martin J. Corless, Jay Tu
- Automatica
- 1998

- Behçet Açikmese, Martin J. Corless
- Automatica
- 2011

We consider the problem of designing observers to asymptotically estimate the state of a system whose nonlinear time-varying terms satisfy an incremental quadratic inequality that is parameterized by a set of multiplier matrices. Observer design is reduced to solving linear matrix inequalities for the observer gain matrices. The proposed observers guarantee… (More)

- P. Tsiotras, Martin J. Corless, J. M. Longuski
- Automatica
- 1995

A novel approach is proposed for the attitude stabilization and reorientation of an axi-symmetric spacecraft subject to two gas jet actuators. The approach is based on a new formulation of the attitude kinematics. Abstract| In this paper we consider the problem of attitude stabilization of an axi-symmetric spacecraft using two pairs of gas jet actuators.… (More)

- Robert Shorten, Martin J. Corless, Kai Wulff, Steffi Klinge, Richard H. Middleton
- IEEE Trans. Automat. Contr.
- 2009

In this note, we consider the problem of determining necessary and sufficient conditions for the existence of a common quadratic Lyapunov function for a pair of stable linear time-invariant systems whose system matrices are of the form , , and where one of the matrices is singular. A necessary and sufficient condition for the existence of such a function is… (More)

- B R Barmish, M Corless, G Leitmann
- 1983

This paper is concerned with the problem of designing a stabilizing controller for a class of uncertain dynamical systems. The vector of uncertain parameters q(.) is time-varying, and its values q(t) lie within a prespecified bounding set Q in R p. Furthermore, no statistical description of q(.) is assumed, and the controller is shown to render the closed… (More)

- Behçet Açikmese, Martin J. Corless
- Systems & Control Letters
- 2008

In this paper, we present several conditions which are both necessary and sufficient for quadratic stability of an uncertain/nonlinear system. These conditions involve multiplier matrices which characterize the uncertain/nonlinear terms in the system description. It is known that some of these conditions are sufficient for quadratic stability. One of the… (More)

- Selim Solmaz, Martin J. Corless, Robert Shorten
- Int. J. Control
- 2007

In this paper we present a robust controller design methodology for vehicle rollover prevention utilizing active steering. Control design is based on keeping the magnitude of the vehicle load transfer ratio (LTR) below a certain level in the presence of driver steering inputs; we also develop an exact expression for LTR. The proposed controllers have a… (More)

In this paper we apply recent results from robust control to the problem of rollover prevention in automotive vehicles. Specifically, we exploit the results of Pancake, Corless and Brockman, which provide controllers to robustly guarantee that the peak values of the performance outputs of an uncertain system do not exceed certain values. We introduce a new… (More)

In this paper we apply recent results from robust control to the problem of rollover prevention in automotive vehicles. Specifically, we exploit the results of Pancake, Corless and Brockman, which provide controllers to robustly guarantee that the peak magnitudes of the performance outputs of an uncertain system do not exceed certain values. We use the… (More)

- Martin J. Corless, Robert Shorten
- IEEE Trans. Automat. Contr.
- 2010

We present conditions which are necessary and sufficient for a transfer function (or transfer function matrix) to be strictly positive real. A counter example is given to illustrate that, in the rational matrix case, the conditions presented here differ from those previously presented in the literature, and that these same conditions represent an incomplete… (More)