Fang Xi

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OBJECTIVE To assess the effect of respiratory training (RT) on lung function, activity tolerance and acute exacerbation frequency with chronic obstructive pulmonary disease (COPD). DESIGN A randomised controlled trial. SETTING Outpatient clinic and home of the COPD patients, Zhengzhou City, China. SUBJECTS Sixty participants with COPD were randomised(More)
Inspired by the collective activities of ant colonies, and by their ability to gradually optimize their foraging trails, this dissertation investigates the cooperative solution of a broad class of trajectory optimization problems with various types of boundary conditions. A set of cooperative control algorithms are presented and proved to converge to an(More)
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