José R. H. Carvalho

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Abstmct-This paper addresses the issue of automatic hovering of an outdoor autonomous airship using image-based visual servoing. The hovering controller is designed using a full dynamic model of the airship, in a PD error feedback scheme, taking the visual signals as output and extracted from an on-board camera. The behavior and stability of the airship(More)
Multiple acyl-CoA dehydrogenase deficiency (MADD) is a mitochondrial fatty acid oxidation disorder caused by mutations that affect electron transfer flavoprotein (ETF) or ETF:ubiquinone oxidoreductase (ETF-QO) or even due to unidentified disturbances of riboflavin metabolism. Besides all the available data on the molecular basis of FAO disorders, including(More)
Little is known about the cellular mechanisms which induce the development of skeletal muscle immobilization atrophy. Initial disturbances in cellular homeostasis seem to occur very early during immobilization. The aim of the study was to investigate whether loss of calcium homeostasis might be of etiological importance for atrophy. Therefore a calcium(More)
The objective of the present study was to evaluate the meat quality and fatty acid (FA) profile of the muscle and subcutaneous fat of young bulls fed ground soybean grain (SB) or rumen protected fat (RPF) with (230 mg head(-1) day(-1)) or without monensin. Forty animals with an initial weight of 359 kg were allotted in a 2×2 factorial arrangement of(More)
OBJECTIVE The purpose of this study was to compare the effects of two exercise programs of 8 months duration on lipid profiles in older women. METHODS In 2006, 77 women from Porto, Portugal, aged 60-79 years were randomly assigned into a multicomponent exercise (ME) program or resistance exercise (RE) program. Before- and after-training, body composition,(More)
The objective was to evaluate the fatty acid profile and qualitative characteristics of meat from young bulls fed crude glycerin. Forty-four animals with an initial live weight of 368 ± 4 kg were used in a completely randomized design, with four treatments: no glycerin or addition of 6, 12 or 18% glycerin. The animals were slaughtered with 519.5 ± 14.9 kg(More)
Physical inactivity is an important risk factor for many chronic diseases. The purpose of this study was to investigate the cross-sectional associations between walking and body mass index (BMI). This study comprised 9991 adults (5723 women), aged 37.8+/-9.5 years, from the 2004 Azorean Physical Activity and Health Study. Walking was assessed with the(More)