The Laboratory Measuring and Computing System for Stabilometric Studies
УДК 534.7
Abstract
The article is devoted to the development of the digital measuring and computing system for conducting stabilometric studies. The proposed system is based on an electromechanical stability platform. The block diagram of the developed system is presented. The selection of electronic components for the system is analyzed. The developed system is based on the ATmega328 microcontroller on the Arduino Uno R3 board. The HX711 board is used as an analog-to-digital converter. Strain gauges of 50 kg are used to measure the patients’ pressure forces. The overall design, technological, technical, and operational characteristics of the developed stabilometric platform are presented in the paper. The physical model of the developed system is shown. The operating algorithm is described, and the block diagram for calculation of the main stabilometric indicators (the length of the stabilogram, the modules and directions of the velocities, angular velocities, and dynamic stabilization factors) is presented. There are several examples demonstrating test operations of the developed system. Trial measurements and calculations have shown that the designed system fully meets the technical requirements for stabilometry equipment. The developed measuring and computing system allows registration and calculation of the spatial and temporal characteristics of patients’ motions.
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