Cost Optimal System Identification Experiment Design

Poul Henning Kirkegaard

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    Abstract

    A structural system identification experiment design method is formulated in the light of decision theory, structural reliability theory and optimization theory. The experiment design is based on a preposterior analysis, well-known from the classical decision theory. I.e. the decisions concerning the experiment design are not based on obtained experimental data. Instead the decisions are based on the expected experimental data assumed to be obtained from the measurements, estimated based on prior information and engineering judgement. The design method provides a system identification experiment design reflecting the cost of the experiment and the value of obtained additional information. An example concerning design of an experiment for parametric identification of a single degree of freedom structural system shows the applicability of the experiment design method.
    Original languageEnglish
    Place of PublicationAalborg
    PublisherDept. of Building Technology and Structural Engineering, Aalborg University
    Number of pages21
    Publication statusPublished - 1992
    SeriesFracture and Dynamics
    Number38
    VolumeR9237
    ISSN0902-7513

    Bibliographical note

    PDF for print: 28 pp.

    Keywords

    • Experimental Design
    • System Identification
    • Preposterior Analysis
    • Sensor Location
    • Sampling Interval

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