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Monitoring system with compensation for vibrational disturbances - includes turbine with disturbance model to eliminate effects from measured parameter which is processed by two filters
Monitoring system with compensation for vibrational disturbances - includes turbine with disturbance model to eliminate effects from measured parameter which is processed by two filters
The monitoring system is for use with turbo-generators and uses a disturbance model to provide a suppression of deterministic disturbances upon the measured parameter. A pulse generator (4) provides a frequency signal converted to a voltage signal (11) subjected to disturbances (st). The measurement parameter is processed by two filters, a high pass (9) and a low pass (10). The generated output (Nm) is totalled with the valve produced by an analogue model (1) operating into two other filters (7, 8). The measured parameter (M) containing disturbance effects is modelled (12) and the output summed (15) to allow a correcting signal (e) to be generated.
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