M. Florek

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The present paper compares three approaches on a quadrocopter orientation and altitude control: the most frequently used PD and PID control, the Integral Backstepping methods and a nonlinear decomposition control. All these methods are verified and evaluated by simulation. The whole proposal was applied in Matlab with the described nonlinear model. The(More)
INTRODUCTION Pancreatic solid tumour diagnoses remain a challenge for modern medicine. However, using endosonography together with elastography helps to examine the elasticity of tissues and therefore may allow definition of the nature of pancreatic tumours. AIM To evaluate the usefulness of elastography with the strain ratio method and quantitative(More)
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