engleski

System for Compensating for Leg Length Discrepancy Based on the Estimation of the Center of Mass of a Human Body

This paper presents a system for compensating for leg length discrepancy (LLD) based on the estimation of the centre of mass of a human body. The system consists of two 3-RPS parallel manipulators with a moving force plate, control and measuring electronics and a graphical user interface (GUI). Force plates are equipped with force sensors that estimate the centre of mass (CoM) of a human body. Patients with LLD have a displaced CoM. By increasing the height of the force plate that measures a greater load, the CoM of a human body returns into the correct position. The height of the force plate is regulated by means of the 3-RPS parallel manipulator. LLD is compensated for by the difference in heights of the force plates. This paper presents the preliminary experimental results of the system for compensating for LLD.

Leg Length Discrepancy, 3-RPS parallel manipulator, force plate, center of mass

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