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https://doi.org/10.18429/JACoW-MEDSI2016-MOPE15
Title Cam Mover Alignment System Positioning with Wire Position Sensor Feedback for CLIC
Authors
  • J. Kemppinen, Z.S. Kostka, H. Mainaud Durand
    CERN, Geneva, Switzerland
  • J. Kemppinen
    ETH, Zurich, Switzerland
Abstract Compact Linear Collider (CLIC) is a study of an electron-positron collider with nominal energy of 3 TeV and luminosity of 2·10³⁴ cm⁻²·s⁻¹. The luminosity goal leads to stringent alignment requirements for single quadrupole magnets. Vertical and lateral offset deviations with regards to a given orbit reference in both ends of a quadrupole shall be below 1 μm and quadrupole roll deviation shall be below 100 μrad. Translation in the direction of particle beam is not controlled but mechanically locked. A parallel kinematic platform based on cam movers was chosen as system for detailed studies. Earlier studies have shown that cam movers can reach the CLIC requirements through an iterative process. The paper presents new modular off-the-shelf control electronics and software including three optional positioning algorithms based on iterations as well as a more advanced algorithm which can reach target position in one movement. The advanced algorithm reads wire position sensors (WPS), calculates quadrupole orientation based on the readings and updates the remaining trajectory during motion. All of the optional positioning methods reach the CLIC positioning requirements within minutes.
Paper download MOPE15.PDF [0.239 MB / 3 pages]
Poster download MOPE15_POSTER.PDF [0.425 MB]
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Conference MEDSI2016, Barcelona, Spain
Series Mechanical Engineering Design of Synchrotron Radiation Equipment and Instrumentation Conference (9th)
Proceedings Link to full MEDSI2016 Proccedings
Session Poster Session
Date 12-Sep-16   17:00–18:00
Main Classification Precision Mechanics
Sub Classification Mechatronics, Automation and Real-time System Control
Keywords ion, target, alignment, controls, electron
Publisher JACoW, Geneva, Switzerland
Editors Volker RW Schaa (GSI, Darmstadt, Germany)
ISBN 978-3-95450-188-5
Published June 2017
Copyright
Copyright © 2017 by JACoW, Geneva, Switzerland     CC-BY Creative Commons License
cc Creative Commons Attribution 3.0