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Recent control system research has resulted in new methods for assessing stability and performance robustness with respect to plant and controller uncertainty. The emphasis has been on using… (More)
A two-mass-sprin g benchmark problem is analyzed and solved. Classical control methods of loop shaping and pole placement are used to translate the design requirements into an optimal cost function.… (More)
The generalized eigenvalue problem can be used to compute angles of multivariable root loci. This is most useful for computing angles of arrival. The results extend to multivariable optimal root loci.
The behavior of the closed loop eigenstructure of a linear system with output feedback is analyzed as a single parameter multiplying the feedback gain is varied. An algorithm is presented that… (More)
Etat actuel de la technique de recuperation des lessives residuaires bisulfitiques au Canada
Given an analog compensator K(s), a new approach to the design of a sampled-data compensator is investigated. The objective is to design a digital transfer function D(z) so that the cone center (1/T)… (More)
A multivariable sampled-data feedback system contains an analog plant controlled by a sampled-data compensator. Conic sectors that can be used to analyze sampled-data feedback systems are presented… (More)