Wallun Chan

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The paper considers controllabilities of linear systems with multiple independent controllers, each of which is norm-bounded. Both the usual (cooperative) as well as the max-min (non-cooperative) controllability are examined. The problem of sending the initial state to some closed and convex target set is investigated. For the cooperative mode, a duality(More)
Principal Components Analysis is a dimensionality reduction technique that determines eigenvectors (principal components) and corresponding eigenvalues from the covariance matrix of a data set. The eigenvectors that do not contribute much to scatter are truncated without excessive data loss. The remaining eigenvectors represent a new coordinate system in(More)
In this paper we study a method for the construction of optimal periodic control and optimal period for the time invariant linear quadratic problem with constraints. It is an frequency domain approach basing on the ¿ criterion of Bittanti, Fronza and Guardabassi. The quadratic functional involved is shown to be diagonalizable by certain unitary matrix and(More)
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