太空飞行器推进是任何加速太空飞行器和人造卫星的方法，目前已知具有许多方式，每一种方式都有弱点与优点。目前许多推进方式是采用火箭。
根据航天器推进系统的时变性特点，在规则的专家系统方法基础上，提出了推进系统面向时态的故障检测和诊断方法。
A fault detection and diagnosis method based on the rule and time variation was presented based on the normal diagnostic expert system.
一旦进入太空，离子发动机将稳步推进航天器，最终达到的速度会比使用普通火箭的更高。
Once in space, ion engines steadily propel a spacecraft until it travels faster than it would have using a chemical rocket.
这艘无人航天器——灵感来源于20世纪70年代英国星际学会研究的核脉冲推进——理论上讲在发射后100年内抵达其目标恒星。
The unmanned space vehicle — inspired by nuclear pulse propulsion studies by the British Interplanetary Society in the 1970s — will ideally reach its target star within 100 years after launch.
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