摘要在缺少建立部件级模型所必须的部件特性的情况下,以某型辅助动力装置(Auxiliary Power Unit,APU)为对象,进行建模分析和研究。首先介绍了辅助动力装置的结构特点,然后分析了APU动态工作和稳态工作的特点,最后采用结合试车数据与发动机原理的灰色建模方法建立了该型APU的数学模型。通过对比仿真结果与试车数据,验证了模型的可靠性与精度。
7Gorinevsky D,Dittmar K, Mylaraswamy D, et al. Modelbased diagnostics for an aircraft auxiliary power unit[C]// Proceedings of the 2002 IEEE International Conference on Control Application. Glasgow, Scotland: IEEE, 2002, 1: 215-220.
8Soo Y K, Sergey V Y. Performance analysis of an auxiliary power unit based on static/dynamic mathematic modeling [C]//Proceedings of the ASME Turbo. Expo. 2007 Conference. Montreal, Canada : ASME, 2007,3 : 1013-1022.
9Rodgers C. The performance of single-shaft gas turbine load compressor auxiliary power units[R]. AIAA 1983- 1159,1983.
