Modeling of structural cables

Torben Andersen; Mette Owner-Petersen

doi:10.1117/12.2313858

10 July 2018 Modeling of structural cables

Proceedings Volume 10705, Modeling, Systems Engineering, and Project Management for Astronomy VIII; 1070523 (2018) https://doi.org/10.1117/12.2313858
Event: SPIE Astronomical Telescopes + Instrumentation, 2018, Austin, Texas, United States

Abstract

For many applications, including future giant telescopes, there is increased interest in structural cables. Usually integrated models, i.e. combined models of structures, optics and control systems are used for modeling of telescopes. Performance of structural cables is non-linear, so often a linearization is needed to include cable models in integrated models of telescopes. We present two different linear models describing static and dynamic performance of a cable near an equilibrium operating point. The models are plug-in" models that in a black box form give end point forces as outputs, with end point movements as inputs. Using an example, we compare the two models and we outline the benefits of each of the models. Although we here focus on modeling of telescopes, the techniques are useful also for other applications.

Citation Download Citation

Torben Andersen and Mette Owner-Petersen "Modeling of structural cables", Proc. SPIE 10705, Modeling, Systems Engineering, and Project Management for Astronomy VIII, 1070523 (10 July 2018); https://doi.org/10.1117/12.2313858

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