Marchesan B. Tiago

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A low power and high step-down ratio insulated DC-DC converter applied to energy conversion of medium to low voltage is proposed, analyzed and evaluated in this paper. Among its many applications, this work focuses in a compact, simple and low cost galvanic insulation auxiliary power supply. The proposed converter is a multilevel Flyback derived from the(More)
THIS STUDY HAD A TWOFOLD PURPOSE i) to develop a regression equation to estimate metabolic equivalent (MET) in walk/run by heart rate increment above rest (NetHR), and; ii) to determine NetHR thresholds for light, moderate, and vigorous physical activity (PA), from middle aged to elderly. Sample 1 (prediction sample) comprised 39 subjects (19 male and 20(More)
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