Multivariable current control for electrically and magnetically coupled superconducting magnets. Revision 1

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Superconducting magnet systems under construction and projected for the future contain magnets that are magnetically coupled and electrically connected with shared power supplies. A change in one power supply voltage affects all of the magnet currents. A current controller for these system must be designed as a multivariable system. The power describes a method, based on decoupling control, for the rational design of these systems. Dynamic decoupling is achieved by cross-feedback of the measured currents. A network of gains at the input decouples the system statically and eliminates the steady-state error. Errors are then due to component variations. The method … continued below

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7 pages

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Owen, E. W. & Shimer, D. W. February 8, 1985.

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Superconducting magnet systems under construction and projected for the future contain magnets that are magnetically coupled and electrically connected with shared power supplies. A change in one power supply voltage affects all of the magnet currents. A current controller for these system must be designed as a multivariable system. The power describes a method, based on decoupling control, for the rational design of these systems. Dynamic decoupling is achieved by cross-feedback of the measured currents. A network of gains at the input decouples the system statically and eliminates the steady-state error. Errors are then due to component variations. The method has been applied to the magnet system of the MFTF-B, at the Lawrence Livermore National Laboratory.

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7 pages

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NTIS, PC A02/MF A01; 1.

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  • 6. topical meeting on the technology of fusion energy, San Francisco, CA, USA, 3 Mar 1985

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  • Other: DE85012943
  • Report No.: UCRL-92092-Rev.1
  • Report No.: CONF-850310-113-Rev.1
  • Grant Number: W-7405-ENG-48
  • Office of Scientific & Technical Information Report Number: 5581062
  • Archival Resource Key: ark:/67531/metadc1090539

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  • February 8, 1985

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  • Feb. 10, 2018, 10:06 p.m.

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  • May 19, 2021, 1:27 p.m.

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Owen, E. W. & Shimer, D. W. Multivariable current control for electrically and magnetically coupled superconducting magnets. Revision 1, article, February 8, 1985; [Livermore,] California. (https://digital.library.unt.edu/ark:/67531/metadc1090539/: accessed June 8, 2024), University of North Texas Libraries, UNT Digital Library, https://digital.library.unt.edu; crediting UNT Libraries Government Documents Department.

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