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	Fuel-optimal trajectory design using solar electric propulsion under power constraints and performance degradation
	ZHANG Peng ; LI JunFeng ; GONG ShengPing ; ZHANG Peng ; LI JunFeng ; GONG ShengPing
	2016-03-30 ; 2016-03-30
关键词	fuel-optimal trajectory solar electric propulsion power constraints performance degradation V439.6
其他题名	Fuel-optimal trajectory design using solar electric propulsion under power constraints and performance degradation
中文摘要	The fuel-optimal transfer trajectories using solar electric propulsion are designed considering the power constraints and solar array performance degradation.Three different performance degradation models including linear,positive and negative exponential degradations are used in the analysis of three typical rendezvous missions including Apophis,Venus and Ceres,respectively.The optimal control problem is formulated using the calculus of variations and Pontryagin’s maximum principle,which leads to a bang-bang control that is solved by indirect method combined with a homotopic technique.In demonstrating the effects of the power constraints and solar array performance degradation on the power budget and fuel consumption,the time histories of the power profile and the fuel consumptions are compared for the three missions.This study indicates that it is necessary to consider the power constraints and solar array performance degradation for the SEP-based low-thrust trajectory design,espacially for long-duration outbound flights.; The fuel-optimal transfer trajectories using solar electric propulsion are designed considering the power constraints and solar array performance degradation. Three different performance degradation models including linear,positive and negative ex- ponential degradations are used in the analysis of three typical rendezvous missions including Apophis,Venus and Ceres,respectively. The optimal control problem is formulated using the calculus of variations and Pontryagin's maximum principle,which leads to a bang-bang control that is solved by indirect method combined with a homotopic technique. In demonstrating the effects of the power constraints and solar array performance degradation on the power budget and fuel consumption,the time histories of the power profile and the fuel consumptions are compared for the three missions. This study indicates that it is necessary to consider the power constraints and solar array performance degradation for the SEP-based low-thrust trajectory design,espacially for long-duration outbound flights.
语种	英语 ; 英语
内容类型	期刊论文
源URL	[http://ir.lib.tsinghua.edu.cn/ir/item.do?handle=123456789/143739]
专题	清华大学
推荐引用方式 GB/T 7714	ZHANG Peng,LI JunFeng,GONG ShengPing,et al. Fuel-optimal trajectory design using solar electric propulsion under power constraints and performance degradation[J],2016, 2016.
APA	ZHANG Peng,LI JunFeng,GONG ShengPing,ZHANG Peng,LI JunFeng,&GONG ShengPing.(2016).Fuel-optimal trajectory design using solar electric propulsion under power constraints and performance degradation..
MLA	ZHANG Peng,et al."Fuel-optimal trajectory design using solar electric propulsion under power constraints and performance degradation".(2016).

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