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首页> 外文会议>58th International Astronautical Congress 2007 >DEVELOPMENT OF CONTROL AND GUIDANCE SYSTEM FOR SLV-3, INDIA'S FIRST SATELLITE LAUNCH VEHICLE - SOME REFLECTIONS
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DEVELOPMENT OF CONTROL AND GUIDANCE SYSTEM FOR SLV-3, INDIA'S FIRST SATELLITE LAUNCH VEHICLE - SOME REFLECTIONS

机译：印度第一架卫星发射车辆SLV-3的控制和制导系统的开发-几点反思

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SLV-3, India's first satellite launch vehicle was developed in the 70's and was launched successfully in 1980. It had four solid stages. The first three stages were 3-axis stabilized and the fourth stage was spin stabilized. SLV-3 used an open loop guidance system with a vehicle attitude programmer (VAP) providing preprogrammed pitch attitude commands from lift-off to third stage separation. A platform based inertial measurement unit (IMU) was used for attitude reference. An analog autopilot was used for processing the attitude data and rate gyro outputs and generating commands to control power plants of the first three stages for controlling the vehicle in all three axes. Development of such a-control and guidance system was challenging especially when there was no previous experience or any other input from external sources. This paper describes personal reflections of the author who was closely associated with the development of many of these critical subsystems at Vikram Sarabhai Space Centre, Trivandrum, about the technology challenges during development and testing of such a system. The paper presents developmental efforts and strategy for C&G system. The paper also highlights a few details about control systems design, 6-D simulations, real time simulations using the hybrid computer and finally the hardware-in-loop simulation for end -to- end checks of the control and guidance system. The paper concludes with the acknowledgement to many individuals who were associated with the development.
机译：SLV-3是印度的第一枚卫星运载火箭，是在70年代开发的，并于1980年成功发射。它有四个固体阶段。前三个阶段是3轴稳定的，而第四阶段是旋转稳定的。 SLV-3使用了带有车辆姿态编程器（VAP）的开环引导系统，该系统提供了从升空到第三阶段分离的预编程俯仰姿态命令。基于平台的惯性测量单元（IMU）用于姿态参考。模拟自动驾驶仪用于处理姿态数据和速率陀螺仪输出，并生成命令来控制前三个阶段的动力装置，以在所有三个轴上控制车辆。开发这样的控制和指导系统具有挑战性，尤其是在没有以前的经验或外部来源提供任何其他输入的情况下。本文描述了与在Trivandrum的Vikram Sarabhai航天中心的许多关键子系统的开发密切相关的作者对这种系统的开发和测试过程中的技术挑战的个人看法。本文介绍了C＆G系统的开发工作和策略。本文还重点介绍了有关控制系统设计，6-D仿真，使用混合计算机的实时仿真以及最终用于控制和制导系统的端到端检查的硬件在环仿真的一些详细信息。本文以对与开发有关的许多个人的感谢作为结论。

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