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Measurement uncertainty analysis of the strain gauge based stabilographic platform

Walendziuk W.

Acta Mechanica et Automatica

2014

Vol. 8, no. 2

74--78

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 trans-ferred 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) .