Noise Impact in Designed Conditioning System for Energy Harvesting Units in Biomedical Applications

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Processing stabilometric data for electronic knee: Training and calibration

Electronic knee is new opportunity for people having one or two amputated legs. Differently from traditional prosthesis, electronic knee is the first one to be driven by a microprocessor with an hydraulic control for the static and dynamic steps. It is become a positive key issue for the comfort and movement freedom for transfemoral amputed people. Despite the use of microprocessor, many difficulties arise during connection on human being and from calibration. This paper presents a technique of predicting calibration operations and stabilometric measurements in order to allow a better connection between electronic knee and the amputated patient. The technique is based on a novel genetic doped algorithm capable of producing the postural positions and correct calibration

STFT-based spectral analysis of urban waterworks leakage detection

peer reviewedWater is an essential good for human being necessity. It must be protected against pollution and useless leakage. Urban waterworks is a strategic infrastructure to be managed with particular attention and care so that users must be satisfied. Different techniques are used to detect leaks from waterworks, specifically from pipelines carrying water. Among them, spectral analysis is very interesting to apply amid problems related to the pipeline section. This paper presents an application of STFT (short-term Fourier transform) technique for identifying urban waterworks leaks; STFT technique is usually used in processing speech. For the purposes of this research, a specific pipeline plant has been build in other to feature a real case. The pipeline section is almost one inch; the adopted section makes the research very interesting since spectral analysis, based essentially on FFT, is generally used for section greater than 20 cm

Thermoelectric generator design based on power from body heat for biomedical autonomous devices

Energy harvesting from human body has been undergoing an interesting and quick development thanks to the technological availability of new electronic components and the growing of different applications, in particular, for biomedical and social impacts on human beings' daily life. The main scope of this paper is to modeling and to design a thermoelectric generator that extracts energy from human tissue warmth in order to supply a biomedical hearing prosthesis for death persons. An array of sensors based on thermocouple effect has been used. A conditioning and accumulator circuitry has been designed and teste