LI Z X, LI H F, ZHANG Y L, et al.Design of power inverter control system based on model-free adaptive control[J].Journal of Henan Polytechnic University(Natural Science) ,2022,41(5):114-120.

doi:10.16186/j.cnki.1673-9787.2021040042

Received:2021/04/11

Revised:2021/05/31

Published:2022/09/25

Design of power inverter control system based on model-free adaptive control

LI Zhenxuan1, LI Hongfei2, ZHANG Yilong1, LI Jing1

1.College of Information Engineering，Beijing Institute of Petrochemical Technology，Beijing  102617，China；2.National Industrial Information Security Development Research Center，Beijing  100040，China

Abstract:In order to solve the problem that the accurate mathematical model of power inverter could not be obtained，a model-free adaptive control（MFAC）scheme for power inverter system was presented.The inverter system was transformed into the compact form dynamic linearization（CFDL） data model by using dynamic linearization method.Then，the control algorithm and pseudo-partial-derivative（PPD）estimation algorithm were designed based on the optimization technique.Instead of the accurate mathematical model，the main feature of this control scheme was that the input and output data of the power inverter control system were only used.The effectiveness of the algorithm was verified in the MATLAB/Simulink environment，the results showed that，under the resistive inductive load，the output of power inverter control system embedded the MFAC scheme could track the desired one accurately.

Key words:power inverter;model-free adaptive control;model estimation;MATLAB/Simulink

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