Research On Inverter Control Method Based On Improved Artificial Bee Colony Algorithm

In this paper,the control parameter tuning of inverter is taken as the research object,and the artificial bee colony(ABC)algorithm is applied to the control parameter tuning of inverter,and a control parameter tuning method of inverter based on chaotic improved artificial bee colony(CIABC)algorithm is proposed.The main work includes the following aspects:1.In view of the "precocity" phenomenon in ABC algorithm,Tent chaotic mapping improvement strategy is introduced to improve the global search ability,optimization accuracy and convergence speed of ABC algorithm,and the CIABC algorithm is obtained.Several groups of test functions verify the effectiveness of the proposed method.Then the CIABC algorithm is applied to the PID control system to set the control parameters,and a PID control parameter setting method based on the CIABC algorithm is proposed.The simulation results verify the feasibility of the CIABC algorithm to set the PID control parameters.2.In view of the tuning problem of three-phase inverter control parameters,the influence of PI controller and QPR controller parameters on its performance is analyzed,the simulation model of three-phase inverter is established,and the control parameters of off-grid and grid-connected three-phase inverter are respectively adjusted by CIABC algorithm.In order to further verify the effectiveness of the proposed method,an experimental data sampling platform was built,and the grid-connected inverter was analyzed using the measured grid data.3.Aiming at the tuning problem of control parameters of double parallel inverter,a simulation model of double parallel inverter based on droop control was established,and then the droop parameters of off-grid and grid-connected double parallel inverter were respectively adjusted by CIABC algorithm.In order to further verify the effectiveness of the proposed method,the grid-connected double parallel inverter is analyzed by using the measured grid data.