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Vol: 51(65) No: 1 / March 2006       Function Monitoring of Human Body by 3D g-sensor Gyorgy Gyorok Department of Computer Technology Budapest Tech, H-8000 Székesfehérvár, Budai Str. 45, Hungary, e-mail: gyorok.gyorgy@szgti.bmf.hu Keywords: human body activity monitoring, g-sensor, cross-correlation, probability, automatic function detecting. Abstract The continuous investigation and analyses of the physical condition of both the workers working in dangerous environment and patients is most important. In the case of such an investigation the typical input pa-rameters are the heartbeat, i.e. E.C.G., the saturation of oxygen, and breathing. Defining the position and the movements are at least of the same importance. A micro-processor data collector device is used, which monitors the 3 D signals of an acceleration sensor. The momentary acceleration, the velocity and the position of the body can be determined from this register. We can also make refer-ences to the character of the movement by the help of the co-variant, from a pattern database. References [1] B. G. Lipták, Instrument Engineers' Handbook, Process Control and Optimization, Editor: B. G. Lipták, CRC Press, Taylor and Francis Group, Boca Raton, FL. [2] W. Wehrman, Korrelációs technika (in Hungarian), Műszaki könyvkiadó, Budapest, 1983. [3] J. O. Attia, Electronics and Circuit Analysis using Matlab, CRC Press, Taylor and Francis Group, Boca Raton, FL, 1983. [4] Gy. Györök, “The function-controlled input for the IN CIRCUIT equipment”, Proc. IEEE-INES2004 Intelligent Engineering Systems Conference, Cluj-Napoca Romania, pp. 443 – 446, 2004.