ACTA AERONAUTICAET ASTRONAUTICA SINICA >
Full-state feedback control of a novel hybrid rectifier applied to aircraft electric actuator load
Received date: 2015-07-08
Revised date: 2015-09-07
Online published: 2015-09-23
A novel hybrid rectifier is presented which is applied to more electric aircraft power source and full-state feedback control is proposed according to the characteristics of aircraft electric actuator. The control aims to solve the problem of big output voltage dip caused by wide-range rapid varying load. The novel hybrid rectifier structured by a diode rectifier in parallel with a pulse width modulation (PWM) rectifier can limit harmonic current effectively, and the PWM part of the hybrid rectifier can bear the active power output whose proportion can be controlled properly and energy can be fed back to aviation source when load is braking. Linear mathematical model of the hybrid rectifier is then established and full-state feedback control based on linear quadratic regulator (LQR) is proposed. Comparison is made between full-state feedback control and three-state feedback control based on the results of MATLAB/Simulink simulation and prototype experiment, which verifies the improved performance of the hybrid rectifier applied to wide-range varying load.
BAI Long , SUN Chu , ZHOU Yuanjun . Full-state feedback control of a novel hybrid rectifier applied to aircraft electric actuator load[J]. ACTA AERONAUTICAET ASTRONAUTICA SINICA, 2016 , 37(6) : 1940 -1952 . DOI: 10.7527/S1000-6893.2015.0249
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