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Advances in the control of a “smart tube” high power backward wave oscillator

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Please use this identifier to cite or link to this item: http://hdl.handle.net/1928/20335

Advances in the control of a “smart tube” high power backward wave oscillator

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Title: Advances in the control of a “smart tube” high power backward wave oscillator
Author: Abdallah, Chaouki T.; Schamiloglu, E.; Park, G.T.; Soualian, V.S.; Hegeler, F.
Abstract: Previous accomplishments pertaining to the control of various parameters of an intense beam-driven relativistic backward wave oscillator (BWO) include maintaining a specified or desired output power over a determined frequency bandwidth, and maintaining a constant frequency over a wide range of power. This was accomplished using an iterative learning control (ILC) algorithm that yielded the appropriate input variables for the electron beam, as well as the appropriate displacement of the slow wave structure from the cutoff neck. A problem of much greater complexity is the simultaneous control of both frequency and power, involving the independent mapping of both power and frequency dependence on the two input variables: cathode voltage and slow wave structure displacement. The resultant two-variable system has been successfully implemented and tested for convergence with minimal iterations. In this paper we present an overview of our “smart tube,” its development, and our most recent results.
Date: 1999
Publisher: IEEE
Citation: 12th IEEE International Pulsed Power Conference, 1999. Digest of Technical Papers, 2: 852-855
Description: Digital Object Identifier : 10.1109/PPC.1999.823649
URI: http://hdl.handle.net/1928/20335
ISBN: 0-7803-5498-2


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