Reference assisted control system and method thereof
AssigneeRealtek Semiconductor Corp.
InventorsChia-Liang LIN, Chao-Cheng LEE
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Abstract
A reference assisted control system and method thereof are disclosed. The method comprises: receiving a first input signal and a second control signal; generating a first intermediate signal in accordance with a difference between the first input signal and the first output signal; filtering the second control signal to generate a second intermediate signal; performing a weighted sum of the first intermediate signal and the second intermediate signal to generate the control signal; and outputting the first output signal in accordance with the control signal.
Claims19
An apparatus comprising:
- a controller for receiving a first input signal and a first output signal and generating a first intermediate signal in accordance with a difference between the first input signal and the first output signal;
- a low-pass filter for receiving a second control signal and outputting a second intermediate signal;
- a weighted sum circuit for performing a weighted sum on the first intermediate signal and the second intermediate signal to generate a first control signal;
- and
- a controlled circuit for generating the first output signal in accordance with the first control signal, wherein an average value of the second control signal is approximately equal to an average value of the first control signal in a steady state of operation.
An apparatus comprising:
- a second circuit for outputting a second control signal;
- and
- a first circuit for receiving a first input signal and the second control signal and outputting a first output signal such that the first output signal tracks the first input signal in a closed-loop manner via establishing a first control signal that controls the first output signal based on a weighted combination of detecting a difference between the first input signal and the first output signal and filtering the second control signal.
A method for generating a first output signal, comprising:
- receiving a first input signal and a second control signal;
- generating a first intermediate signal in accordance with a difference between the first input signal and the first output signal;
- filtering the second control signal to generate a second intermediate signal;
- performing a weighted sum of the first intermediate signal and the second intermediate signal to generate the control signal;
- and
- outputting the first output signal in accordance with the control signal.
Dependencies are inferred from the claim text.