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Abstract(s)
Esta dissertação visa verificar a viabilidade de recorrer a um sistema sonar upward
looking na deteção de náufragos, bem como a sua aplicação num UUV. Uma vez que quando à deriva a maior parte do corpo humano se encontra submerso, torna-se lógico pensar que o método mais eficaz de deteção será aquele que se propague no meio aquático. Um sistema deste tipo possibilita a obtenção de assinaturas quando é impraticável usar sistemas óticos, com maior eficiência e qualidade do que um que utilize ondas eletromagnéticas (por exemplo, radar).
Esta tese contribui para o trabalho que o Centro de Investigação Naval (CINAV) está
a desenvolver para o projeto ICARUS (unmanned search and rescue), procurando
desenvolver a base de conhecimento para o desenvolvimento de um sistema autónomo para busca, deteção e salvamento de náufragos.
This work aims to verify the feasibility of using a system upward looking sonar in castaway detection, as well as its application in a UUV . Being that when adrift most of the human body is submerged, it becomes logical to think that the most effective method of detection is one that spreads underwater. Such a system makes it possible to obtain signatures when it is impracticable to use optical systems, with greater efficiency and quality than one that uses electromagnetic waves (e.g. radar). This thesis contributes to the work that the Naval Research Centre ( CINAV ) is developing for the ICARUS project ( unmanned search and rescue ) , seeking to develop the knowledge base for the development of an autonomous system for search , detection and rescue of shipwrecked people.
This work aims to verify the feasibility of using a system upward looking sonar in castaway detection, as well as its application in a UUV . Being that when adrift most of the human body is submerged, it becomes logical to think that the most effective method of detection is one that spreads underwater. Such a system makes it possible to obtain signatures when it is impracticable to use optical systems, with greater efficiency and quality than one that uses electromagnetic waves (e.g. radar). This thesis contributes to the work that the Naval Research Centre ( CINAV ) is developing for the ICARUS project ( unmanned search and rescue ) , seeking to develop the knowledge base for the development of an autonomous system for search , detection and rescue of shipwrecked people.
Description
Keywords
sonar, UUV, AUV, deteção de náufragos, assinaturas sonar sonar, UUV, AUV, castaway detection, sonar signature