Analog signal processing using a correlator digital filter
AssigneeEmerson Electric Co.
InventorJohn Broker
Life of this patent
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Abstract
A control system for controlling operation of an electric appliance is provided. The control system includes a correlator digital filter configured to receive input signals including at least one target signal associated with operation of the electric appliance and extract the target signal from the input signal. The control system also includes a controller operatively coupled with the correlator digital filter and the electric appliance, where the controller is configured to receive the extracted target signal from the correlator digital filter.
Claims20
A control system for controlling operation of an electric appliance, the control system comprising:
- a correlator digital filter configured to receive input signals including at least one target signal associated with operation of the electric appliance and extract the target signal from the input signal;
- and
- a controller operatively coupled with the correlator digital filter and the electric appliance, wherein the controller is configured to receive the extracted target signal from the correlator digital filter.
An electric appliance comprising:
- at least one sensor for generating an input signal including at least one target signal associated with the operation of the electric appliance;
- and
- a control system comprising:
- a correlator digital filter operatively coupled with the sensor and configured to extract the target signal from the input signal;
- and
- a controller operatively coupled with the correlator digital filter and the electric appliance, wherein the controller is configured to receive the target signal from the correlator digital filter.
A method for extracting at least one target signal using a control system including a correlator digital filter, the method comprising:
- receiving, by the control system, an input signal from a sensor, wherein the input signal includes the target signal;
- and
- correlating, by the correlator digital filter, the input signal with a reference signal to extract a portion of the input signal that correlates with the target signal.
Dependencies are inferred from the claim text.