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大口径反射镜组件设计及稳定性研究 被引量:15
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作者 傅学农 陈晓娟 +1 位作者 吴文凯 徐元利 《光学精密工程》 EI CAS CSCD 北大核心 2008年第2期179-183,共5页
针对惯性约束聚变(ICF)装置中使用数量较多的大口径反射镜组件结构,在满足物理功能要求的前提下,根据其稳定性及定位、安装、调整和变形等要求,运用运动学原理及模块化设计思想,设计了一个典型的反射镜组件结构,并对组件结构进行了力学... 针对惯性约束聚变(ICF)装置中使用数量较多的大口径反射镜组件结构,在满足物理功能要求的前提下,根据其稳定性及定位、安装、调整和变形等要求,运用运动学原理及模块化设计思想,设计了一个典型的反射镜组件结构,并对组件结构进行了力学分析及实验。计算和实验结果表明,该组件满足稳定性要求,其定位和重复定位精度<10μrad,安装调整方便可靠,满足设计要求。 展开更多
关键词 惯性约束聚变(ICF) 大口径反射镜支承 运动学支承 稳定性
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A Stable Switch Method Based on Fusion in Uncalibrated Visual Servoing
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作者 高振东 苏剑波 《Journal of Shanghai Jiaotong university(Science)》 EI 2007年第5期584-591,596,共9页
Stable switch control between multiple cameras for uncalibrated visual servoing was studied. Switch images based on fusion were presented to get the continuous dynamic image Jacobian matrix among robots and distribute... Stable switch control between multiple cameras for uncalibrated visual servoing was studied. Switch images based on fusion were presented to get the continuous dynamic image Jacobian matrix among robots and distributed visual sensors. The designed fusion algorithm is suitable to have dynamically adjustable fusion weights, and the fusion structure was analyzed. Simulations and experiments without any knowledge of mobile robots and uncalibrated visual sensors show that the method has higher adaptability than the traditional instant switch control method. The method can enhance the system stability at the switching process. 展开更多
关键词 uncalibrated visual servoing instant switching control switching control based on fusiont multiple camera fusion.
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