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中文摘要：
针对地面垂直发射、可长时间在轨运行和轨道机动、再入稠密大气层并水平着陆在机场跑道上的小型空天飞行器，研究其制导导航与控制系统方案。分析其在轨运行、离轨、再入、末端能量管理、自主进场着陆、地面滑跑等各阶段的制导、导航与控制系统任务需求，根据任务需求提出相应的制导导航与控制系统组成方案，并阐述制导导航与控制系统的工作原理。理论分析结果表明，提出的制导导航与控制系统方案满足飞行器各阶段的任务需求，合理可行。
英文摘要：
Guidance, navigation and control system for a conceptual aerospace plane which is launched from ground and can stay in orbit for a long time, executive orbit maneuver, reentry into dense atmosphere and land on runway is proposed. The mission requirements for the phases of on orbit operation, de-orbit, re- entry, terminal area energy management, approach and landing and taxi are analyzed separately. Guid- ance, navigation and control system architecture that satisfies these mission requirements is presented. The guidance, navigation and control schemes for these phases are also demonstrated.
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