A novel GSSA method for modeling of controllers in the multi-converter system of an Advanced Aircraft Electric Power System (AAEPS)

2012 IEEE International Power Modulator and High Voltage Conference (IPMHVC) Pub Date : 2012-06-03 DOI:10.1109/IPMHVC.2012.6518865

H. E. Darkhaneh, J. Gatabi, H. El-kishky

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引用次数: 14

Abstract

This article presents a comprehensive set of Generalized State Space Averaging (GSSA) models for the generation of non-linear control signals in the multi-converter system of an Advanced Aircraft Electric Power System (AAEPS). Due to the switching nature and variation in loading configuration in the aircraft system under study, the pulse-width modulation (PWM) control signals demonstrate inherent time-varying behaviors to keep the system's operation within IEEE/military standard limits. Therefore, the proposed technique can be employed to derive the key features of the non-linear switching signals under investigation, hence, can be treated as an effective method of the feedback control signals approximation. Finally, the GSSA approximated signals corresponding to the PWM switching function of the constant power (CP), constant voltage (CV) and constant current (CC) buck-converters in the DC power electronics system of Boeing 767 aircraft are derived, and the simulation results are obtained from a study model developed in PSIM9 environment. Also, the accuracy of obtained results from GSSA model is verified by developing a study model in PSIM9 environment.

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先进飞机电力系统多变换器控制器建模的GSSA新方法

针对某型先进飞机电力系统(AAEPS)多变换器非线性控制信号的产生，提出了一套综合的广义状态空间平均(GSSA)模型。由于所研究的飞机系统的开关性质和负载配置的变化，脉宽调制(PWM)控制信号表现出固有的时变行为，以保持系统在IEEE/军用标准限制内运行。因此，所提出的方法可以用来推导所研究的非线性开关信号的关键特征，因此可以视为反馈控制信号逼近的有效方法。最后，推导了波音767飞机直流电力电子系统中恒功率(CP)、恒电压(CV)和恒电流(CC)降压变换器的PWM开关函数对应的GSSA逼近信号，并在PSIM9环境下建立了研究模型，得到了仿真结果。通过在PSIM9环境下建立研究模型，验证了GSSA模型所得结果的准确性。

本文章由计算机程序翻译，如有差异，请以英文原文为准。

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2012 IEEE International Power Modulator and High Voltage Conference (IPMHVC)

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