Real-time switching regulator monitor

Details Real-time switching regulator monitor Real-time switching regulator monitor

2011-06-28

2011-06-28

Berhane, Adolf (Department: 2838)

Electric power conversion systems

Current conversion

With means to introduce or eliminate frequency components

C323S283000, C363S021130

Reexamination Certificate

active

07969756

ABSTRACT:
A vehicle or other complex system includes at least one switching power converter which generates direct output voltage with inherent ripple. A voltage estimator or simulator estimates the instantaneous output ripple voltage(s) of the converter in the time domain. The estimator is preprogrammed with state equations of the power converter, for generating the estimates of the output ripple voltage of the converter. A comparator compares at least the ripple voltage of the simulator with the actual voltage of the converter, to generate a difference signal. The difference signal is evaluated to identify a fault condition. The fault condition is reported andor switches to a backup converter.

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