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To effectively examine ocean processes, sampling campaigns require persistent autonomous underwater vehicles that are able to spend a majority of their deployment time maneuvering and gathering data underwater. Current navigation techniques rely either on high-powered sensors (e.g. Doppler Velocity Loggers) resulting in decreased deployment time, or dead reckoning (compass and IMU) with motion models...
Measurement of the motion of the components in normal and artificial knee joints is a major goal of the orthopaedic research community. Abnormal motion in knee joints is a major cause of pain and often leads to chronic injury. Currently the standard way to measure the motion with enough accuracy is by implanting tantalum beads in the bones prior to imaging using X-ray equipment. However this technique...
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