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	Provedor de dados ArchiMer (1) Autor Cali, J. (1) D'Eu, J. F. (1) Maia, M. (1) Roussel, C (1) Verdun, J. (1) Palavra-chave Autonomous Underwater Vehicle (1) Electrostatic accelerometer (1) Moving vectorial gravimetry and gradiometry (1) Unscented Kalman filtering (1) Tipo do documento Text (1) Ano 2015 (1) País France (1) Idioma Inglês (1)		Ordenar por:  Relevância Autor Título Ano Registros recuperados: 1 Primeira ... 1 ... Última Integration of a strapdown gravimeter system in an autonomous underwater vehicle ArchiMer Roussel, C; Verdun, J.; Cali, J.; Maia, M.; D'Eu, J. F.. We present a new mobile instrument for measuring dynamically the gravity vector and its gradients in underwater environment, named GRAVIMOB. Our instrument is a strapdown sensor, consisted of electrostatic accelerometers installed in a waterproof sphere. It is designed to be embedded in an Autonomous Underwater Vehicle (AUV). Since the positioning of an AUV is approximate in underwater environment, the key issue raised here is to estimate the uncertainty in the gravity field resulting from the use of such position data. This paper focuses on the assessment of the system performances. The latter have been studied by simulation with reference data calculated from actual submarine geological structures, on which different noise models have been added. Results... Tipo: Text Palavras-chave: Autonomous Underwater Vehicle; Moving vectorial gravimetry and gradiometry; Electrostatic accelerometer; Unscented Kalman filtering. Ano: 2015 URL: https://archimer.ifremer.fr/doc/00639/75147/75504.pdf Registros recuperados: 1 Primeira ... 1 ... Última

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