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Damper placement for spaceborne interferometers using H-norm optimization

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1 Author(s)
Joshi, S.S. ; Jet Propulsion Lab., California Inst. of Technol., Pasadena, CA, USA

A general methodology for damper placement in spaceborne interferometers is introduced. The process consists of combined structural/optical/damper modeling, H cost selection, and genetic algorithm or simulated annealing optimization. Combined structural/optical modeling allows the ability to quantitatively predict the effect of mechanical disturbances on optical performance metrics. H cost allows for the consideration of multiple dissimilar disturbance inputs and multiple dissimilar performance outputs, as well as consideration of worst-case analysis. Genetic algorithms and simulated annealing allow for an efficient search of a high-dimensional optimization space. A numerical example is shown to demonstrate the methodology. A comparison of placement of a finite number of passive dampers using genetic algorithms, simulated annealing, and exhaustive search is considered

Published in:

American Control Conference, 2000. Proceedings of the 2000  (Volume:6 )

Date of Conference:

2000