MEASUREMENT SYSTEMS ALGORITHMS FOR THE PHASE STRUCTURE INVESTIGATION OF THE PERSON GAIT
The described algorithm for the identification of the step phases, on the basis of which implemented the virtual tool in graphical programming environment. Shows a histogram of the signals distribution from sensors, in accordance with which the created virtual instrument, implemented on the basis of the quartiles rule. Identified the least stable position while walking. This algorithm identify the phases necessary in the comparative analysis of human steps «portraits» diseases of the musculoskeletal system and the person not having abnormalities of motor function. Created a virtual instrument for the implementation of signal filtering in accordance with the Kalman filter algorithm. The results of the experiments, the formula for the scaling transformation, which uses measurements taken in the static mode, which allows to normalize the signal of linear acceleration on the corresponding axis with respect to the location of the sensor and the respective orientations of the axes.
Authors: A. V. Tsareva
Direction: Instrument Engineering and Information-Measurement Technologies
Keywords: Movements kinematics, medical diagnosis, phase of the step, processing algorithms displacements
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