系统工程与电子技术

• 制导、导航与控制 • 上一篇    下一篇

辐射开环空间绳系机器人编队自旋转速最优控制

黄攀峰1,2, 张帆1,2, 刘彬彬1,2, 马骏1,2   

  1. 1. 西北工业大学航天学院智能机器人研究中心, 陕西 西安 710072;
    2. 西北工业大学航天飞行动力学技术重点实验室, 陕西 西安710072
  • 出版日期:2015-05-25 发布日期:2010-01-03

Optimal control of the rotating velocity of hub-spoke tethered space robot formation

HUANG Pan-feng1,2, ZHANG Fan1,2, LIU Bin-bin1,2, MA Jun1,2   

  1. 1. Research Center of Intelligent Robotics, School of Astronautics, Northwestern Polytechnical
    University, Xi’an 710072, China; 2. National Key Laboratory of Aerospace Flight
    Dynamics, Northwestern Polytechnical University, Xi’an 710072, China
  • Online:2015-05-25 Published:2010-01-03

摘要:

辐射开环空间绳系机器人(tethered space robot, TSR)编队是一种新型的空间绳系编队系统,其在构型稳定性、任务灵活性以及燃料消耗方面具有明显的优势。研究了辐射开环TSR编队自旋转速最优控制问题。首先建立了辐射开环TSR编队的自旋动力学模型;然后对编队自旋转速控制问题以及hp-自适应伪谱法求解最优控制问题的基本原理进行了描述,并设计了基于hp-自适应伪谱法的编队自旋转速闭环最优控制系统;最后通过仿真算例对设计的闭环最优控制系统进行验证和分析。

Abstract:

The hub-spoke tethered space robot (TSR) formation is a novel formation system. The stability, flexibility and fuel consumption of the hub-spoke TSR formation system have been significantly improved. The optimal control problem of the rotating velocity of the hub-spoke TSR formation system is proposed and studied. Firstly, an analytical model is used to describe the rotating hub-spoke TSR formation system. Secondly, the optimal control problem of the rotating velocity and the theory of the hp-adaptive pseudospectral method are described. Thirdly, a closed-loop optimal control system based on the hp-adaptive pseudospectral method is established. Finally, some digital imitations are implemented to validate the proposed closed-loop optimal control system.