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EIVA SPRINT 505 4k System

SPRINT is an acoustically aided Subsea Inertial Navigation System (INS) from Sonardyne for subsea vehicles and is depth rated to 4,000 m.

  • EIVA SPRINT 505 4k System
EIVA
Niels Bohrs Vej 17
8660 Skanderborg
Denmark
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Description

SPRINT is an acoustically aided Subsea Inertial Navigation System (INS) from Sonardyne for subsea vehicles and is depth rated to 4,000 m. 

 

SPRINT is a combined AHRS (Attitude Heading Reference System) and AAINS (Acoustically Aided Inertial Navigation System). Running both the AHRS and INS algorithms concurrently allows inertial navigation to start or restart instantaneously on receipt of a position update as the AHRS seamlessly provides orientation to the INS on start-up. This avoids the lengthy ‘alignment’ period common to other INS systems. Thereafter, the separate AHRS and INS computed orientation are autonomously monitored as an indication of system health.

 

NSH Included

The Navigation Sensor Hub (NSH) forms part of a Navigation Processor; a ‘one-box’ solution designed to meet the complete on-board requirements of any acoustic operation.

The NSH is the interface between the in-water acoustic instruments, sensors and the Navigation Computer which runs the acoustics positioning software. In addition to accurately time-stamping incoming data from external devices such as gyro, VRU and GPS, the NSH also provides power and communications for ship-borne acoustic transceivers.

* INS also provides improvements in short term accuracy through rejection of outliers. INS will not resolve long term inaccuracy of the USBL system (eg systematic errors).

Specifications

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    INS - Inertial Navigation Systems

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