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Controlling the vertical mode coupling instability with feedback in the ALS
Author(s) -
J. Byrd,
W. Bȧrry
Publication year - 1997
Publication title -
osti oai (u.s. department of energy office of scientific and technical information)
Language(s) - English
Resource type - Reports
DOI - 10.2172/453534
Subject(s) - instability , coupling (piping) , mode (computer interface) , feedback control , positive feedback , physics , control theory (sociology) , resistive touchscreen , mode coupling , negative feedback , mechanics , computer science , optics , control (management) , engineering , electrical engineering , control engineering , quantum mechanics , voltage , mechanical engineering , artificial intelligence , operating system
The authors present the results of experiments to control the mode coupling instability in the vertical direction using a feedback system. Presently, they can raise the instability threshold from {approximately} 20 mA to 35 mA. The maximum current threshold is reached when the feedback is operated in a resistive mode

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