Title :
Relative zero location for second-order sampled systems
Author :
El-Khoury, Mario ; Crisalle, Oscar D.
Author_Institution :
Inst. d´´Autom., Ecole Polytech. Federale de Lausanne, Switzerland
fDate :
10/1/1992 12:00:00 AM
Abstract :
It is shown that the pole-zero configuration of relevant families of second-order continuous-time transfer functions is preserved after sampling. The results are valid for any sampling period and give tighter bounds for the location of the sample zero than those reported in earlier literature. These results complement the analysis made by T. Soderstrom (ibid., vol.35, p.1249-53, 1990) on the zero location of second-order sampled systems
Keywords :
poles and zeros; sampled data systems; transfer functions; continuous-time transfer functions; pole-zero configuration; second-order sampled systems; Control systems; Poles and zeros; Sampling methods; Stochastic systems; Transfer functions;
Journal_Title :
Automatic Control, IEEE Transactions on
