Optimal Sensor Locations for System Identification
Abstract
This report deals with four major topics which impact, in a substantive manner, our ability to identify large, spatially extended structural systems in space with modest resources. A) The first topic studies the uniqueness in the identification of a cantilever, boom-type structural system which is modelled by finite elements and is subjected to a base motion. B) The second topic deals with the development of a methodology for optimally placing sensors in a large spatially extended structural system so that data collected from those locations would yield maximum information about the parameters to be identified. A preliminary methodology applicable to systems that can be adequately described by a set of ordinary differential equations has been developed and validated. C) The third topic deals more directly with experimental design. It aims at tailoring the measurement stream to minimize data handling and processing related to system identification. D) The fourth topic deals with an analysis of the tradeoffs between control and identification. The duality of the concepts of identification and control are studied in a quantitative manner and an illustrative example is shown amplifying the analytical results.
Document Details
- Document Type
- Technical Report
- Publication Date
- Mar 01, 1988
- Accession Number
- ADA193863
Entities
People
- Firdaus E. Udwadia