Measurement Uncertainty Analysis of the Strain Gauge Based Stabilographic Platform
Abstract
The present article describes constructing a stabilographic platform which records a standing patient’s deflection from their point of balance. The constructed device is composed of a toughen glass slab propped with 4 force sensors. Power transducers are connected to the measurement system based on a 24-bit ADC transducer which acquires slight body movements of a patient. The data is then transferred to the computer in real time and data analysis is conducted. The article explains the principle of operation as well as the algorithm of measurement uncertainty for the COP (Centre of Pressure) surface (x, y).
© 2014 Wojciech Walendziuk, published by Bialystok University of Technology
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