A Research on 6DOF Measuring System and Calibration

J. Zhang, R. Bernhardt, and D. Surdilovic (Germany)


6DOFmovement measuring system, position sensing detector, rehabilitation, Calibration.


A novel 6-degree of freedom (6DOF) movement measuring system for biomechanical engineering was developed. The 6DOF measuring system is constructed from 3 pieces of 2-dimensional PSD (position sensing detector) and its corresponding light sources, laser-diode. The light sources are modulated laser-diode, which shines directly into the PSD So that the system is not sensitive to environmental factor e.g. magnet, ferromagnetic material, daylight etc. The measuring system was built in the laboratory. This measuring system is to be used in the rehabilitation system.

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