US 11,454,394 B2 · System and method for predetermining the onset of impending oscillatory instabilities in practical devices

Abstract

A system for early detection of onset of oscillatory instabilities in practical devices is described. The system consists of a measuring device (102), an instability detection unit (104) and a control unit (106). The measuring device (102) is configured to generate signals corresponding to the dynamics happening inside the practical device. The instability detection unit (104) along with an amplitude estimation unit (130) is configured to diagnose the stability of the practical device from the signals that are generated by the measuring device (102). Further, the control unit (106) is configured to control various operating parameters in the practical device based on the information obtained from the instability detection unit (104).

Claims23

Dependent claims

A system to determine impending oscillatory instabilities in a device, the system comprising:

a measuring device (102) configured to generate at least one signal corresponding to dynamics in the device;
an instability detection unit (104) provided in communication with the measuring device (102);
and
an amplitude estimation unit (130) provided in communication with the instability detection unit (104) and the measuring device (102), configured to estimate an amplitude of the impending oscillatory instabilities,
wherein, the instability detection unit (104) is configured to diagnose the onset of the impending oscillatory instabilities in the device based on at least one of intermittent bursts in the signal generated by the measuring device (102) before the onset of oscillatory instabilities, or smooth variations in parameters as the device approaches the impending oscillatory instabilities, wherein the intermittent bursts are detected preceding a transition from a noisy or chaotic behavior to the oscillatory instabilities by detecting an increase in the amplitude of the impending oscillatory instabilities using the amplitude estimation unit (130).

2 more elements

A method to determine impending oscillatory instabilities in a device, the method comprising:

obtaining, by a measuring device (102), at least one signal (measured signal) corresponding to the dynamics in the device;
and
estimating, by an amplitude estimation unit (130), an amplitude of at least one of intermittent bursts in the at least one signal corresponding to the dynamics in the device;
diagnosing, through an instability detection unit (104), the impending oscillatory instabilities of the device by utilizing at least one of intermittent bursts in the signal generated by the measuring device (102) and the estimated amplitude, before the onset of oscillatory instabilities or the smooth variations in parameters as the device approaches the impending oscillatory instabilities, wherein the intermittent bursts are detected preceding to a transition from a noisy or chaotic behavior to the oscillatory instabilities.

1 more element

Dependencies are inferred from the claim text.

System and method for predetermining the onset of impending oscillatory instabilities in practical devices

Life of this patent

System and method for predetermining the onset of impending oscillatory instabilities in practical devices

Life of this patent

Abstract

Claims23