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In this study, to solve the vehicle-guideway resonance problem when a maglev train is suspended on an elastic beam at a low speed, a gap differentiator with global fast convergence is designed. The differentiator in possession of a simple algorithm but without obvious oscillation phenomenon, has a good ability of filtering out the noise. From the analysis of amplitude frequency and phase frequency...
Gait analysis plays an important role in healthcare and other applications. In the situation of ambulatory thigh movement estimation using accelerometers, the major challenges are non-linearity and uncertainty of thigh motion and variations of accelerometer measurement noise. In this study, the authors propose to use multiple motion models and noise models to meet these challenges. In order to adaptively...
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