A test-subject-tracking measuring carriage with optoelectronic position-feedback control for the kinematic analysis of the gait of orthopedic patients

A measuring carriage system has been developed in our biomedical motion-analysis laboratory for the continuous optoelectronic measurement of angular coordinates or point coordinates in the sagittal plane of a walking patient. The carriage is automatically driven on a guide rail in parallel with the...

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Bibliographic Details
Published inMedical progress through technology Vol. 8; no. 3; p. 141
Main Authors Bodem, F, Brussatis, F, Mertin, B, Wunderlich, T, Wagner, H
Format Journal Article
LanguageEnglish
Published United States 01.01.1981
Subjects
Biomechanical Phenomena
Electronics, Medical
Gait
Hip Joint
Hip Prosthesis
Humans
Knee Joint
Knee Prosthesis
Monitoring, Physiologic - instrumentation
Osteoarthritis - physiopathology
Osteoarthritis - surgery
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Summary:A measuring carriage system has been developed in our biomedical motion-analysis laboratory for the continuous optoelectronic measurement of angular coordinates or point coordinates in the sagittal plane of a walking patient. The carriage is automatically driven on a guide rail in parallel with the advancing test subject along a level walkway 14 m in length. The carriage propulsion is effected by a servomotor which is controlled by an object-tracking optoelectronic position-feedback control system. The paper describes the constructional principles of the system and gives a basic analysis of its feedback-control behavior.
ISSN:0047-6552