G - Physics – 05 – B
Patent
G - Physics
05
B
G05B 13/02 (2006.01) H03H 21/00 (2006.01)
Patent
CA 2135695
An active adaptive control system introduces a control signal from an output transducer (14) to combine with the system input signal (6) and yield a system output signal (8). An adaptive filter model (40) has an output (46) supplying a correction signal to the output transducer to introduce the control signal. The model has a first error input (44, 232, 248) driven by an error signal from an error transducer (16) to drive the correction signal toward a value matching the system input signal to modify and/or cancel same. The model has a second error input (202, 224, 240, 268, 280) selectively driven by a spectral leak signal (212) to drive the correction signal away from such matching value by driving the correction signal towards zero, to selectively constrain performance of the model in response to a given condition of a given parameter.
Allie Mark C.
Popovich Steven R.
Borden Ladner Gervais Llp
Digisonix Inc.
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