SYSTEM AND METHOD FOR MONITORING FEEDBACK CIRCUITS

SYSTEM AND METHOD FOR MONITORING FEEDBACK CIRCUITS

The disclosure relates to monitoring of feedback systems such as phase lock loops. A system is disclosed, comprising: a feedback circuit (100); and a monitoring module (190). The monitoring module (190) is configured to: i) receive actual values of at least one state variable describing the state of...

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Hauptverfasser: Moehlmann, Ulrich, Schat, Jan-Peter, Lauber, Tim
Format: Patent
Sprache:eng ; fre ; ger
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MEASURING
MEASURING ELECTRIC VARIABLES
MEASURING MAGNETIC VARIABLES
PHYSICS
TESTING
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creator Moehlmann, Ulrich
Schat, Jan-Peter
Lauber, Tim
description The disclosure relates to monitoring of feedback systems such as phase lock loops. A system is disclosed, comprising: a feedback circuit (100); and a monitoring module (190). The monitoring module (190) is configured to: i) receive actual values of at least one state variable describing the state of the feedback circuit at a first time; ii) determine a predicted future value of the at least one state variable at a second time from the actual values at the first time using a model of the feedback circuit; iii) receive actual values of the at least one state variable at the second time; iv) compare the predicted future value of the at least one state variable at the second time with the actual value of the at least one state variable at the second time; and v) determine whether the feedback circuit has a fault condition, depending on the results of step iv).
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subjects MEASURING
MEASURING ELECTRIC VARIABLES
MEASURING MAGNETIC VARIABLES
PHYSICS
TESTING
title SYSTEM AND METHOD FOR MONITORING FEEDBACK CIRCUITS
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