Presenting an Optimized Combinational Controller based on NSGA-II for Boost Switching Converter
Author(s):
Article Type:
Research/Original Article (دارای رتبه معتبر)
Abstract:
The main goal of this research is to design a new digital controller for a boost-switching converter in Continuous Conduction Mode (CCM), which operates in Voltage Mode Control (VMC). Boost converter transfer function in the mentioned modes have one Right Half Plane (RHP) zero and a pair of complex poles while their places are severely dependent on input voltage, reference voltage and converter elements. Parameters of the proposed controller have been obtained by using a meta-heuristic multi-objective optimization method to gain an improved converter behavior in startup, load change and reference voltage change conditions along with appropriate gain and phase margins. The proposed controller is a combination of a standard typeIII controller and a PID controller with complex zeros. Simulation and experimental results illustrate that converter performance based on the proposed controller has a significant improvement rather than typeIII controller. Main benefits of the proposed controller includes achieving a suitable response in whole range of converter operation, not to need a current feedback, appropriate stability and simple and cost-effective implementation.
Keywords:
Language:
Persian
Published:
Journal of Control, Volume:13 Issue: 1, 2019
Pages:
57 to 73
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