Starbug fibre positioning robots: performance and reliability enhancements

David M. Brown; Scott Case; James Gilbert; Michael Goodwin; Daniel Jacobs; Kyler Kuehn; Jon Lawrence; Nuria P. F. Lorente; Vijay Nichani; Will Saunders; Nick Staszac; Julia Tims

doi:10.1117/12.2055594

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7 August 2014 Starbug fibre positioning robots: performance and reliability enhancements

David M. Brown, Scott Case, James Gilbert, Michael Goodwin, Daniel Jacobs, Kyler Kuehn, Jon Lawrence, Nuria P. F. Lorente, Vijay Nichani, Will Saunders, Nick Staszac, Julia Tims

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Proceedings Volume 9151, Advances in Optical and Mechanical Technologies for Telescopes and Instrumentation; 91511A (2014) https://doi.org/10.1117/12.2055594
Event: SPIE Astronomical Telescopes + Instrumentation, 2014, Montréal, Quebec, Canada

Abstract

Starbugs are miniature piezoelectric ‘walking’ robots that can be operated in parallel to position many payloads (e.g. optical fibres) across a telescope’s focal plane. They consist of two concentric piezo-ceramic tubes that walk with micron step size. In addition to individual optical fibres, Starbugs have moved a payload of 0.75kg at several millimetres per second. The Australian Astronomical Observatory previously developed prototype devices and tested them in the laboratory. Now we are optimising the Starbug design for production and deployment in the TAIPAN instrument, which will be capable of configuring 300 optical fibres over a six degree field-of-view on the UK Schmidt Telescope within a few minutes. The TAIPAN instrument will demonstrate the technology and capability for MANIFEST (Many Instrument Fibre-System) proposed for the Giant Magellan Telescope. Design is addressing: connector density and voltage limitations, mechanical reliability and construction repeatability, field plate residues and scratching, metrology stability, and facilitation of improved motion in all aspects of the design for later evaluation. Here we present the new design features of the AAO TAIPAN Starbug.

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David M. Brown, Scott Case, James Gilbert, Michael Goodwin, Daniel Jacobs, Kyler Kuehn, Jon Lawrence, Nuria P. F. Lorente, Vijay Nichani, Will Saunders, Nick Staszac, and Julia Tims "Starbug fibre positioning robots: performance and reliability enhancements", Proc. SPIE 9151, Advances in Optical and Mechanical Technologies for Telescopes and Instrumentation, 91511A (7 August 2014); https://doi.org/10.1117/12.2055594

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