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    • 6. 发明申请
    • MOTION TRACKING SYSTEM
    • 运动跟踪系统
    • US20090278791A1
    • 2009-11-12
    • US12093914
    • 2006-11-15
    • Per Johan SlyckePetrus Hermanus VeltinkDaniel Roetenberg
    • Per Johan SlyckePetrus Hermanus VeltinkDaniel Roetenberg
    • G09G5/00
    • A61B5/6807A61B5/103A61B5/1114A61B5/1127A61B5/6804A61B2560/0223
    • A motion tracking system for tracking an object composed of object parts in a three-dimensional space. The system comprises a number of magnetic field transmitters; a number of field receivers for receiving the magnetic fields of the field transmitters; a number of inertial measurement units for recording a linear acceleration; a number of angular velocity transducers for recording angular velocities. The system further comprises a processor for controlling the transmitters and receiving signals coming from the field receivers and the inertial measurement unit; which processor contains a module for deriving orientation and/or position information of the constituent object parts of the object on the basis of the received signals. The processor is configured for intermittently controlling the transmitters transmit at a predetermined frequency, wherein the position and/or orientation information is derived by periodically calibrating the motion information coming from the inertial measurement unit with the motion information coming from the magnetic field receivers.
    • 一种用于跟踪由三维空间中的对象部分组成的对象的运动跟踪系统。 该系统包括多个磁场发射机; 用于接收现场发射机的磁场的多个场接收机; 用于记录线性加速度的许多惯性测量单元; 用于记录角速度的多个角速度传感器。 该系统还包括用于控制发射机和接收来自现场接收机和惯性测量单元的信号的处理器; 该处理器包含用于基于接收到的信号导出对象的构成对象部分的取向和/或位置信息的模块。 处理器被配置为间歇地控制发射机以预定频率发射,其中通过利用来自磁场接收器的运动信息周期性地校准来自惯性测量单元的运动信息来导出位置和/或取向信息。