This paper presents a novel fixed time sliding mode disturbance observer (FTSMDO) based second-order fixed time sliding mode control (FTSMC) for small scale unmanned helicopter to do hover operations in the presence of external disturbances.Sliding mode control is insensitive to matched uncertainties but sensitive to mismatched uncertainties.The He
Abstract Scimitar syndrome is a rare congenital anomaly characterized by total or partial anomalous pulmonary venous drainage of the right lung to the inferior vena cava.We present a seven year old girl with Slicing Knife a systolic murmur who was diagnosed as having a Scimitar syndrome with unusual drainage of the right pulmonary veins.The unique
An isolated human cranium, dated to the early Eneolithic period, was discovered in 2015 at the top of a vertical shaft in the natural Marcel Loubens gypsum Cave (Bologna area, northern Italy).No other anthropological or archaeological remains were found inside the cave.In other caves of the same area anthropic and funerary use are attested from pre
Introduction.The combination of myasthenia gravis (MG) and pregnancy has two important aspects: the reflection of the influence of pregnancy on the course of neurological disease and myasthenia influence on the course of pregnancy.Aim.To determine the optimal tactics of patients with MG during pregnancy.Materials and methods.We worked with the clin