On the control of a high power backward-wave oscillator using quantifier elimination methods

Abdallah, Chaouki T.; Yang, Wei; Schamiloglu, E.; Souvalian, V.S.

doi:10.1109/acc.1997.612062

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A Controlling Radiated Power and Frequency1

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1998

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“…QEPCAD software produced the results in Table I for experiment , and for different , combinations. A more detailed description of this approach may be found in [25]. We can see that with decreasing and decreasing, the power is decreased, but the efficiency is increased.…”

Section: A Controlling Radiated Power and Frequencymentioning

confidence: 99%

Toward "smart tubes" using iterative learning control

Abdallah

Soualian²,

Schamiloglu³

1998

IEEE Trans. Plasma Sci.

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In this paper, we present our progress toward designing a "smart" high-peak power microwave (HPM) tube. We use iterative learning-control (ILC) methodologies in order to control a repetitively pulsed high-power backward-wave oscillator (BWO). The learning-control algorithm is used to drive the error between the actual output and its desired value to zero. The desired output may be a given power level, a given frequency, or a combination of both. The learning-control methodology is then verified in simulation. This methodology is applicable to a wide variety of HPM sources.Index Terms-Backward-wave oscillator, frequency agility, high-peak power microwave, iterative learning control.

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Section: A Controlling Radiated Power and Frequencymentioning

confidence: 99%