A non-uniform oversampling digital controller and its control method
A technology of digital controllers and control methods, applied in the direction of electric controllers, controllers with specific characteristics, etc., can solve problems such as large overshoot or undershoot voltage, achieve short conversion time, high precision, and eliminate delay problems Effect
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[0036] Such as Figure 1 to Figure 4 As shown, a kind of non-uniform over-sampling digital controller of the present invention includes a proportional-integral-differential compensator 102 and a non-uniform over-sampling ADC101 that performs sampling and quantization by changing the resolution according to the input signal, and the non-uniform over-sampling ADC 101 is designed There is a first input for connection to the output of the switching converter topology and a second input for connection to the reference signal, the output of the non-uniform oversampling ADC 101 is connected to the input of a proportional-integral-derivative compensator 102 , the proportional-integral-derivative compensator 102 is provided with an output terminal.
[0037] The non-uniform oversampling ADC 101 comprises an oversampling ADC 201, a subtractor 202, a digital filter 203, a comparator 204 and a data selector 205, the oversampling ADC 201 being provided with a first input for connection with...
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