Servo System for Magnetic Controlled Constant Intensity Flat Top Beam Spill-Out

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Description

A uniform intensity flat top spill-out cannot be obtained by manual control for two reasons: 1. The horizontal density of the internal beam of the Cosmotron is far from uniform. As a result, a manually controlled linear motion of the internal beam into a target will result in a non-uniform spill-out intensity. 2. Stability requirements of the Cosmotron magnet voltage are not easily met without feedback because of inherent component stability. The proposed servo system will sense the external beam intensity, and correct the magnet voltage to keep this intensity constant. This servo must operate through the transfer function of … continued below

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6 page, 5 unnumbered pages : illustrations

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Cottingham, J. G. November 21, 1961.

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A uniform intensity flat top spill-out cannot be obtained by manual control for two reasons: 1. The horizontal density of the internal beam of the Cosmotron is far from uniform. As a result, a manually controlled linear motion of the internal beam into a target will result in a non-uniform spill-out intensity. 2. Stability requirements of the Cosmotron magnet voltage are not easily met without feedback because of inherent component stability. The proposed servo system will sense the external beam intensity, and correct the magnet voltage to keep this intensity constant. This servo must operate through the transfer function of the main ignitron system and the flat top filter. Both of those transfer functions impose special problems.

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6 page, 5 unnumbered pages : illustrations

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Digitized from microopaque cards (1).

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  • SuDoc Number: Y 3.At 7:22/BNL-6424
  • Report No.: BNL-6424
  • Accession or Local Control No: metadc1256939
  • Archival Resource Key: ark:/67531/metadc1256939

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TRAIL Microcard Collection

Imaged from microcard, these technical reports describe research performed for U.S. government agencies from the 1930s to the 1960s. The reports were provided by the Technical Report Archive and Image Library (TRAIL).

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  • November 21, 1961

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  • Feb. 6, 2022, 9:20 a.m.

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  • June 21, 2022, 11:40 a.m.

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Cottingham, J. G. Servo System for Magnetic Controlled Constant Intensity Flat Top Beam Spill-Out, report, November 21, 1961; Washington D.C.. (https://digital.library.unt.edu/ark:/67531/metadc1256939/: accessed September 20, 2024), University of North Texas Libraries, UNT Digital Library, https://digital.library.unt.edu; crediting UNT Libraries Government Documents Department.

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