G - Physics – 05 – B
Patent
G - Physics
05
B
G05B 17/00 (2006.01) G01H 1/00 (2006.01)
Patent
CA 2050210
A processor provides N series of discrete values, with each series of discrete values approximating a sinusoidal signal and N being the number of sensors with which a BVM to be tested is normally used. N digital to analog converters are provided, each receiving one of the N series of discrete values and producing an analog signal therefrom. The analog signals have zero crossings incorporating known turbine blade vibration information. N filters are provided, pith each filter being responsive to one of the converters for filtering the analog signals. Circuitry is provided for producing an output pulse simulating a once per revolution pulse. Clock circuitry is provided for producing clock pulses which are input to the N converters and the circuitry for producing the output pulse for synchronizing the operation of the converters with the operation of the circuitry producing the output pulse.
Bereskin & Parr Llp/s.e.n.c.r.l.,s.r.l.
Westinghouse Electric Corporation
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