Two methods to fuse a 3D gyroscope with a 3D accelerometer in order to measure rotations are presented. They are compared with a method requiring only a 3D gyroscope and assessed with a reference system. The good reported accuracies make this system suitable for clinical evaluation.
Inspec keywords: biomedical measurement; biomedical equipment; angular velocity measurement; biomechanics; accelerometers; gyroscopes
Other keywords:
Subjects: Biomechanics, biorheology, biological fluid dynamics; Sensing devices and transducers; Biomedical measurement and imaging; Patient diagnostic methods and instrumentation; Velocity, acceleration and rotation measurement; Velocity, acceleration and rotation measurement; Other mechanical instruments and techniques
References
-
-
1)
- J. Favre , F. Luthi . A new ambulatory system for comparative evaluation of the three-dimensional knee kinematics, applied to anterior cruciate ligament injuries. Knee Surg. Sports Traum. Arthr.
-
2)
- F. Ferraris , U. Grimaldi , M. Parvis . Procedure for effortless in-field calibration of three-axis rate gyros and accelerometers. Sens. Mater. , 311 - 330
-
3)
- Van Bogart, J.: `Motion analysis technologies', IEEE Conf. on Pediatric Gait, 2000, p. 166–172.
-
4)
- R. Zhu , Z. Zhou . A real-time articulated human motion tracking using tri-axis inertial/magnetic sensors package. IEEE Trans. Neural Syst. Rehabil. Eng. , 2 , 295 - 302
-
5)
- K.W. Spring . Euler parameters and the use of quaternion algebra in the manipulation of finite rotation: a review. Mech. Mach. Theory , 5 , 365 - 373
-
6)
- E. Bachmann . (2000) Inertial and magnetic tracking of limb segment orientation for inserting humans in synthetic environments.
-
7)
- A.M. Sabatini . Quaternion based attitude estimation algorithm applied to signals from body-mounted gyroscopes. Electron. Lett. , 10 , 584 - 586
-
1)
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