This paper presents the design of a flexure based focusing system, part of the Close-Up Imager (CLUPI) instrument which is planned to be integrated on the future ExoMars NASA-ESA Mars Rover to be launched in 2018. Various design trade-offs are discussed, in particular the selection between a non-symmetric isostatic kinematic flexure arrangement and a symmetric but over-constrained arrangement. The selected solution is based on an original architecture consisting of three identical EDMmachined compliant plates connecting the mobile lens assembly to the fixed outer frame. This novel technical solution has potential use for all kinds of focusing mechanisms dedicated to harsh environments.
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机译：本文介绍了基于挠曲的聚焦系统的设计，该系统是Close-Up Imager（CLUPI）仪器的一部分，该仪器计划与将于2018年推出的未来ExoMars NASA-ESA Mars Rover集成。讨论，特别是在非对称的等静运动弯曲布置和对称但过度约束的布置之间进行选择。所选解决方案基于原始架构，该架构由三个相同的EDM机加工柔性板组成，这些板将移动镜头组件连接至固定的外框。这种新颖的技术解决方案有可能用于专门针对恶劣环境的各种聚焦机制。
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