A phase looked loop is introduced in ATV technique in order to replace the relay block but retaining the control on the phase shift and on the amplitude of self-oscillations. In this way the troubles due to a poor approximation on the ultimate gain frequency given by the harmonic linearization of a relay are completely avoided. The performance of the new technique is illustrated for some typical chemical plants.

ATV techniques: troubles and remedies

BALESTRINO, ALDO;LANDI, ALBERTO;SANI, LUCA
2001-01-01

Abstract

A phase looked loop is introduced in ATV technique in order to replace the relay block but retaining the control on the phase shift and on the amplitude of self-oscillations. In this way the troubles due to a poor approximation on the ultimate gain frequency given by the harmonic linearization of a relay are completely avoided. The performance of the new technique is illustrated for some typical chemical plants.
2001
Balestrino, Aldo; Landi, Alberto; Sani, Luca
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Utilizza questo identificativo per citare o creare un link a questo documento: https://hdl.handle.net/11568/192113
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