Decoupled MPC Power Balancing Strategy for Coupled Inductor Flying Capacitor DC–DC Converter
Source abstract
Abstract
A decoupled model predictive control (MPC) power balancing strategy for a coupled inductor-based flying capacitor DC–DC converter (FCDC) is a proposed to solve the power imbalance caused by the parameter differences in the coupled inductor. The decoupled mathematical model of coupled inductor FCDC is firstly derived by analyzing the converter operation state under various modes. On this basis, the control relationship between inductor current and flying capacitor (FC) voltage is redefined and an MPC power balance strategy based on the inductor current with single-step optimization is proposed. The proposed MPC strategy not only achieves decoupled power balancing control but also solves multi-objective dynamic optimization control of the inductor current and FC voltage, greatly reducing the computation load. A detailed theoretical analysis of the proposed strategy is presented and the balancing performance is effectively verified through the experiments.
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Research context
OpenAlex topics: Multilevel Inverters and Converters · Advanced DC-DC Converters · Silicon Carbide Semiconductor Technologies
SciVX discovery tags are terminology-based. OpenAlex topics are source-provided classifications.
Affiliations
China Academy of Aerospace Aerodynamics, Beijing 100086, China
School of Internet of Things Engineering, Jiangnan University, Wuxi 214122, China
References (28)
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