Accurate telescope mount positioning with MEMS accelerometers

L. Mészáros, A. Jaskó, A. Pál, G. Csépány

Research output: Contribution to journalArticle

7 Citations (Scopus)

Abstract

This paper describes the advantages and challenges of applying microelectromechanical accelerometer systems (MEMS accelerometers) in order to attain precise, accurate, and stateless positioning of telescope mounts. This provides a completely independent method from other forms of electronic, optical, mechanical or magnetic feedback or real-time astrometry. Our goal is to reach the subarcminute range which is considerably smaller than the field-of-view of conventional imaging telescope systems. Here we present how this subarcminute accuracy can be achieved with very cheap MEMS sensors and we also detail how our procedures can be extended in order to attain even finer measurements. In addition, our paper discusses how can a complete system design be implemented in order to be a part of a telescope control system.

Original languageEnglish
Pages (from-to)769-782
Number of pages14
JournalPublications of the Astronomical Society of the Pacific
Volume126
Issue number942
DOIs
Publication statusPublished - Aug 1 2014

Keywords

  • Astronomical instrumentation

ASJC Scopus subject areas

  • Astronomy and Astrophysics
  • Space and Planetary Science

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