TY - GEN
T1 - Ill conditioned plants
T2 - Proceedings of the 30th IEEE Conference on Decision and Control Part 1 (of 3)
AU - Yaniv, Oded
AU - Isaac, Horowitz
PY - 1991
Y1 - 1991
N2 - Ill-conditioned plants with delays are generally difficult to control. The authors present a case study of a two-input-two-output ill-conditioned plant using the quantitative feedback theory (QFT) approach. No iterative steps were needed to find the controller, and a good compatibility with time domain performance was achieved. The pre-filter, on the other hand, required five iterations because the performance was given in the time domain. The Horowitz design philosophy which emphasize tolerances at each frequency and design to the exact uncertain plant, i.e., no norm-bounded uncertainty, justified itself as a design tool for ill-conditioned plants to achieve an economical bandwidth solution.
AB - Ill-conditioned plants with delays are generally difficult to control. The authors present a case study of a two-input-two-output ill-conditioned plant using the quantitative feedback theory (QFT) approach. No iterative steps were needed to find the controller, and a good compatibility with time domain performance was achieved. The pre-filter, on the other hand, required five iterations because the performance was given in the time domain. The Horowitz design philosophy which emphasize tolerances at each frequency and design to the exact uncertain plant, i.e., no norm-bounded uncertainty, justified itself as a design tool for ill-conditioned plants to achieve an economical bandwidth solution.
UR - http://www.scopus.com/inward/record.url?scp=0026364964&partnerID=8YFLogxK
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AN - SCOPUS:0026364964
SN - 0780304500
T3 - Proceedings of the IEEE Conference on Decision and Control
SP - 1596
EP - 1600
BT - Proceedings of the IEEE Conference on Decision and Control
PB - Publ by IEEE
Y2 - 11 December 1991 through 13 December 1991
ER -