For the control subsystem of the Four-Switch Buck-Boost Converter, may I know what are the functions of vRef, v, FF, and Reset?

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Mark Ceasar Cubelo
回答： Nikhil 2023-6-13
Hello,
I am a Matlab beginner and I want to ask what are vRef, v, FF, and Reset, and their respective functions as part of the Controller of the Four-Switch Buck Boost Converter. Attached is the simulik file of the circuit retrieved from https://www.mathworks.com/help/sps/ug/four-switch-buck-boost-converter-control.html. Thank you!

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回答（1 个）

Nikhil
Nikhil 2023-6-13
In the DC-DC Voltage Converter block,
  • vRef is the Desired DC ouput voltage
  • v is the measured DC output voltage
  • FF is the feedforward term
  • Reset is an External reset signal
The control signal is a calculated as :
Refer to this article for more information: DC-DC Voltage Controller

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