Boots – shoes – and leggings
Patent
1988-10-28
1991-01-01
Ruggiero, Joseph
Boots, shoes, and leggings
328233, 364194, G05B 1302
Patent
active
049823205
ABSTRACT:
An adaptive feedforward control loop is provided to stabilize accelerator beam loading of the radio frequency field in an accelerator cavity during successive pulses of the beam into the cavity. A digital signal processor enables an adaptive algorithm to generate a feedforward error correcting signal functionally determined by the feedback error obtained by a beam pulse loading the cavity after the previous correcting signal was applied to the cavity. Each cavity feedforward correcting signal is successively stored in the digital processor and modified by the feedback error resulting from its application to generate the next feedforward error correcting signal. A feedforward error correcting signal is generated by the digital processor in advance of the beam pulse to enable a composite correcting signal and the beam pulse to arrive concurrently at the cavity.
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patent: 4733149 (1988-03-01), Culberson
patent: 4792870 (1988-12-01), Pinson
"Control of Cavities with High Beam Loading," Boussand, IEEE Trans. Nuclear Science, vol. NS-32, No. 5, 10/85, pp. 1852-1856.
"Progress in Space-Charged Limited Machines: Four Times the Design Intensity in the CERN Proton Synchrotron Booster," Gelato et al., IEEE, CH2387-9/87/0000-1298.
"Computer Control of the Energy Output of a Klystron in the SLC", Jobe et al., CH2387-9/87/0000-0735.
Keith G. Meisner et al., "A New Low Level RF System for the Fermilab Booster," IEEE Trans. on Nuc. Sci., vol. NS-26, No. 3, pp. 4061-4062, (Jun. 1979).
Eaton Lawrie E.
Jachim Stephen P.
Natter Eckard F.
Gaetjens Paul D.
Moser William R.
Ruggiero Joseph
The United States of America as represented by the United States
Wilson Ray G.
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