Optimal Design of Measurement Programs for the Parameter Identification of Dynamic Systems

Poul Henning Kirkegaard, John Dalsgaard Sørensen, Rune Brincker

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Abstract

The design of measurement programs devoted to parameter identification of structural dynamic systems is considered. The design problem is formulated as an optimization problem to minimize the total expected cost that is the cost of failure and the cost of the measurement program. All the calculations are based on a priori knowledge and engineering judgement. One of the contribution of the approach is that the optimal number of sensors can be estimated. This is shown in a numerical example where the proposed approach is demonstrated. The example is concerned with design of a measurement program for estimating the modal damping parameters in a simply supported plane, vibrating beam model. Results show optimal number of sensors and their locations.
OriginalsprogEngelsk
UdgivelsesstedAalborg
ForlagDept. of Building Technology and Structural Engineering, Aalborg University
Antal sider8
StatusUdgivet - 1991
NavnFracture and Dynamics
Nummer29
Vol/bindR9103
ISSN0902-7513

Bibliografisk note

Presented at the 9th International Model Analysis Conference and Exhibit, Firenze, Italy, April 14-18, 1991

PDF for print: 12 pp.

Emneord

  • Structural Dynamic Systems
  • Measurement Program

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