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Nowadays, a particular kind of UAVs (Unmanned Aerial Vehicle) known as quadcopters or quadrotors have become very popular. This is mainly due to their reduced size and high maneuverability which allow them to operate in indoor environments. The requirement for orientation estimation in these vehicles is twofold: for low level stability control, and for high(More)
A scoring system intended both to assess mortality risk and permit surveillance, evaluation, and comparison of medical care was developed in our surgical ICU. Five simple clinical indices of organ system failure were selected and weighted according to their statistically validated relationship to mortality, resulting in a daily System Outcome Score (SOS).(More)
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