亚轨道飞行器发动机故障下配平能力分析
收稿日期: 2015-12-28
修回日期: 2016-08-22
网络出版日期: 2016-08-26
Trim capacity analysis of suborbital reusable launch vehicle with engine failure
Received date: 2015-12-28
Revised date: 2016-08-22
Online published: 2016-08-26
王文虎 , 韩冰 . 亚轨道飞行器发动机故障下配平能力分析[J]. 航空学报, 2016 , 37(12) : 3646 -3656 . DOI: 10.7527/S1000-6893.2016.0240
In order to analyze the trim capacity of the suborbital reusable launch vehicle with engine failure, the problem of trim capacity is converted to the problem of compatibility decision of linear equality/inequality mixture equations. A method based on vertex-projection is proposed and used in trim capacity analysis. The accuracy and efficiency of the method are verified. In the framework of trim capacity analysis, the trim capacities at failure-time and for state-space under different failure modes are analyzed respectively. Moreover, contingency strategy is given in the case that trim capacity is insufficient. Simulation results indicate that the method can rapidly calculate non-trimmable region, and analyze the influence of trim capacity on flyable region. These results have important reference values for abort strategy and abort trajectory optimization.
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