Testing or monitoring of control systems or parts thereof

GPHYSICS G05Controlling systems G05BCONTROL OR REGULATING SYSTEMS IN GENERAL FUNCTIONAL ELEMENTS OF SUCH SYSTEMS MONITORING OR TESTING ARRANGEMENTS FOR SUCH SYSTEMS OR ELEMENTS

G05B23/00Testing or monitoring of control systems or parts thereof

G05B23/02Electric testing or monitoring G05B23/0202in which a transfer function of a process is calculated G05B23/0205by means of a monitoring system capable of detecting and responding to faults G05B23/0208characterized by the configuration of the monitoring system G05B23/021adopting a different treatment of each operating region or a different mode of the monitored system G05B23/0213Modular or universal configuration of the monitoring system G05B23/0216Human interface functionality G05B23/0218characterised by the fault detection method dealing with either existing or incipient faults G05B23/0221Preprocessing measurements G05B23/0224Process history based detection method G05B23/0227Qualitative history assessment, whereby the type of data acted upon G05B23/0229knowledge based G05B23/0232based on qualitative trend analysis G05B23/0235based on a comparison with predetermined threshold or range G05B23/0237based on parallel systems G05B23/024Quantitative history assessment G05B23/0243model based detection method G05B23/0245based on a qualitative model G05B23/0248Causal models G05B23/0251Abstraction hierarchy, e.g. "complex systems" G05B23/0254based on a quantitative model G05B23/0256injecting test signals and analyzing monitored process response G05B23/0259characterized by the response to fault detection G05B23/0262Confirmation of fault detection G05B23/0264Control of logging system G05B23/0267Fault communication G05B23/027Alarm generation G05B23/0272Presentation of monitored results G05B23/0275Fault isolation and identification G05B23/0278Qualitative G05B23/0281Quantitative G05B23/0283Predictive maintenance G05B23/0286Modifications to the monitored process G05B23/0289Reconfiguration to prevent failure G05B23/0291Switching into safety or degraded mode G05B23/0294Optimizing process G05B23/0297Reconfiguration of monitoring system