To ensure the long-term on-orbit working stability of on-board computer system, and meet the different characteristics of such analog parts as sensors, DAC and so on, the reliability design schemes are proposed.

• 摘要为确保星务计算机系统长期在轨工作的稳定性，针对系统中数模转换器等不同模拟部件的特点，给出相应的可靠性设计方案。