Input and output decoupling zeros of linear periodic discrete-time systems
Continuous-time input-output decoupling for sampled-data systems
The problem of obtaining a continuous-time (i. e., ripple-free) input-output decoupled control system for a continuous-time linear time-invariant plant, by means of a purely discrete-time compensator, is stated and solved in the case of a unity feedback control system. Such a control system is hybrid, since the plant is continuous-time and the compensator is discrete-time. A necessary and sufficient condition for the existence of a solution of such a problem is given, which reduces the mentioned...
On the derivation of a state-space model of a periodic process described by recurrent equations
Robust continuous-time tracking and regulation for multirate sampled-data systems
On obtaining the time-invariant associated system of a periodic system through system equivalence
Periodic systems largely system equivalent to periodic discrete-time processes
In this paper, the problem of obtaining a periodic model in state-space form of a linear process that can be modeled by linear difference equations with periodic coefficients is considered. Such a problem was already studied and solved in [r71] on the basis of the notion of system equivalence, but under the assumption that the process has no null characteristic multiplier. In this paper such an assumption is removed in order to generalize the results in [r71] to linear periodic processes with possibly...
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