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火星车多光谱相机桅杆精确指向控制方法

Accuracy Mast Pointing Control Method for Multi-Spectral Camera of Mars Rover

  • 摘要: 为解决火星车桅杆搭载小视场多光谱相机对特定目标精确指向的问题,设计了火星车桅杆精确指向方法,对火星车桅杆机构运动学过程进行了建模,设计了桅杆控制参数迭代求解方法以及火星车对目标探测工作流程,对提出的控制方法进行了误差分析。经过中国首次火星探测任务实践证明,设计的方法可满足多光谱相机精确指向的要求。

     

    Abstract: To achieve the goal of accuraetly pointing to particular targets for the narrow-FOV multi-spectral camera on the mast, an accuracy mast pointing method was proposed. The mast kinetic model, the iterative solution method of mast control parameters, and the working flow of rover target detection were designed. An error analysis of the method was conducted. Through the practice of China’s first Mars exploration mission, the method is proved to satisfy the demand for accuracy pointing of the multi-spectral camera.

     

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