Flight control simulator is used in spacecraft flight control drilling, which acts on the reliability and security of flight control.OBDH simulator is one of the most important components of the flight control simulator, which simulates telemetry, telecommand, and communication functions of a spacecraft.This paper describes a set of design of a kind of OBDH simulator,which consists of universal engineering computer, universal and special circuit boards, OBDH emulator software.This design brings the OBDH simulator with high comparability, high universality and high agility.And it has been applied to CE-1 and CE-2 satellites, which supporting the flight control effectively.%飞控模拟器用于航天器飞控任务的演练,对确保飞控任务安全可靠起着关键作用.数管模拟器是飞控模拟器最重要的组成部分之一,用于模拟航天器的遥测、遥控、信息处理和传输等功能.文章介绍了一种航天器数管模拟器设计方案,它由通用工控机、通用和专用板卡、数管仿真软件几部分组成,具有真实性高、通用性高、灵活性高的特点,已在嫦娥一号和嫦娥二号卫星飞控模拟器中得到应用,对圆满完成飞控任务起到了有力的支持作用.
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