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Synthesis of feedback systems with large plant ignorance for prescribed time domain tolerancesThere is given a minimum-phase plant transfer function, with prescribed bounds on its parameter values. The plant is imbedded in a two-degree-of freedom feedback system, which is to be designed such that the system time response to a deterministic input lies within specified boundaries. Subject to the above, the design should be such as to minimize the effect of sensor noise at the input to the plant. This report presents a design procedure for this purpose, based on frequency response concepts. The time-domain tolerances are translated into equivalent frequency response tolerances. The latter lead to bounds on the loop transmission function in the form of continuous curves on the Nichols chart. The properties of the loop transmission function which satisfy these bounds with minimum effect of sensor noise, are derived.
Document ID
19720019603
Acquisition Source
Legacy CDMS
Document Type
Contractor Report (CR)
Authors
Horowitz, I. M. (Colorado Univ. Boulder, CO, United States)
Sidi, M. (Colorado Univ. Boulder, CO, United States)
Date Acquired
September 2, 2013
Publication Date
July 1, 1971
Subject Category
Electronics
Report/Patent Number
NASA-CR-116779
Accession Number
72N27253
Funding Number(s)
CONTRACT_GRANT: NGR-06-003-083
Distribution Limits
Public
Copyright
Work of the US Gov. Public Use Permitted.

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