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2. 发明申请

US20150285611A1 NEAR-FIELD MAGNETIC OBJECT TRACKING 审中-公开
标题翻译：近场磁对象跟踪
公开(公告)号：US20150285611A1
公开(公告)日：2015-10-08
申请号：US14263514
申请日：2014-04-28
申请人： Andrew D. Lowery , Franz A. Pertl , James E. Smith
发明人： Andrew D. Lowery , Franz A. Pertl , James E. Smith
IPC分类号： G01B7/004
CPC分类号： G01C21/00 , G01R33/0005
摘要： An object tracking system includes a sensor grid having a plurality of sensor clusters configured to sense the presence of a magnetic field of an object. Each sensor cluster includes three or more single-axis magnetic sensors. The sensors in a cluster may be arranged with their axes parallel to one another. The sensor grid may account for ambient magnetic noise by measuring the magnetic field in a zone a distance away from the object to update the ambient magnetic field noise measurement. The sensor grid or a portion thereof may include a plurality of sensors printed on a common sheet. The sensor grid may comprise one or more sheets overlapped or interconnected. The system may track an object and determine up to three degrees of positioning and three degrees of orientation by using a geometric solution of the intercepts of magnetic field strengths obtained from information collected by the magnetic sensors.
摘要翻译：对象跟踪系统包括传感器网格，其具有被配置为感测物体的磁场的存在的多个传感器簇。每个传感器群集包括三个或更多个单轴磁性传感器。簇中的传感器可以被布置成使得它们的轴彼此平行。传感器网格可以通过测量距离物体一定距离的区域中的磁场来解决环境磁噪声，以更新环境磁场噪声测量。传感器网格或其一部分可以包括印刷在公共片材上的多个传感器。传感器网格可以包括重叠或互连的一个或多个片。该系统可以通过使用由磁传感器收集的信息获得的磁场强度的截距的几何解来跟踪物体并确定三个定位度和三个取向度。

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