火星探测器“进入、下降、着陆”过程的供配电方案综述  

Review of Electrical Power System Scheme for Mars Probe During EDL

作　　者：郭伟峰[1] 刘治钢[1] 蔡晓东[1] 陈琦[1] 

机构地区：[1]北京空间飞行器总体设计部,北京100094

出　　处：《航天器工程》2014年第5期111-115,共5页Spacecraft Engineering

摘　　要：对国外成功着陆火星的"火星探路者"(MPF)、"火星探测巡视器"(MER)、凤凰号(Phoenix)和"火星科学实验室"(MSL)的供配电技术进行总结;着重分析探测器在"进入、下降、着陆"(EDL)过程中对电源的电池容量、放电电流、工作时间、环境温度及储存时间等方面的要求及解决方案;提出了火星探测器EDL过程中供配电设计在电池类型、器间供电接口、比能量、放电倍率、能量裕度和寿命方面要注意的重点。The electrical power technology used in the successful Mars exploration missions is described such as MPF,MER,Phoenix and MSL.The EDL mission requirements on battery capacity,discharge current,operating time,operating temperature and shelf life are analyzed,and then the solutions are given.The key design items are proposed such as battery type,power interface between stages,specific energy density,discharge rates,energy margin and life,to which attentions should be paid during the electrical power system design process.

关 键 词：火星探测器 “进入、下降、着陆” 供配电技术 功率电池 火工品电池 

分 类 号：V476.4[航空宇航科学与技术—飞行器设计]