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iXblue Phins Subsea

FOG-based high-performance subsea inertial navigation (INS) system for deep waters

Phins Subsea is a high-performance INS for deep subsea operations

  • iXblue Phins Subsea
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iXblue
34, rue de la croix de fer /
78100 Saint Germain en Laye
France
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FOG-based INS, including Phins are tested in artic conditions
FOG-based INS, including Phins are tested in artic conditions


Subsea solutions for high-performance operations
Subsea solutions for high-performance operations


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Description

Phins Subsea is an inertial navigation system providing position, true heading, attitude, speed, depth and heave. Its high-accuracy inertial measurement unit is based on the renowned iXblue’s fiber-optic gyroscope technology coupled with an embedded digital signal processor that runs an advanced Kalman filter.

Specifications

  • Year of initial development
    2004
  • Height [m]
    0.288
  • Width [m]
    0.255
  • Length [m]
    0.255
  • Weight [kg]
    13
  • Min. Voltage (DC)
    20
  • Max. Voltage (DC)
    32
  • Power consumption [W]
    15
  • Splashproof casting
    Y
  • Water resistant casting
    Y
  • Water resistance [m]
    6000
  • Mean time between failures [hr]
    100
  • Type of accelerometer
    Pendulum
  • Type of gyro
    Fiber Optic Gyroscope
  • Removable from base plate
    Y
  • Type of application
    Marine
  • Moving parts
    N
  • Max. rotation speed [deg/s]
    750
  • Min. operating temperature [°C]
    -20
  • Max. operating temperature [°C]
    55
  • RTCM
    Y
  • Other
    ASCII; BINARY
  • Number of integrated GNSS receivers and antenna ports
    0
  • Heading [deg]
    0.01
  • Heave: constant part [m]
    0.05
  • Heave: variable part [%]
    5
  • Increase in position uncertainty w.r.t. stand-alone GPS [m]
    0.8
  • Pitch [deg]
    0.02
  • Roll [deg]
    0.02
  • Surge/sway [m]
    0.025
  • Decrease in position accuracy [m/hr]
    0.05
  • Pitch [deg]
    0.05
  • Roll [deg]
    0.05
  • Heave [m]
    0.01
  • Surge/sway [m]
    0.025
  • Decrease in position accuracy [m/hr]
    0.05
  • gyro bias [deg/hr]
    500
  • Calibration procedure
    Factory calibration
  • Integrity monitoring of position input
    Y
  • Integrity monitoring of log input
    Y
  • Maximum latency of position input [ms]
    10
  • Maximum latency of log input [ms]
    100
  • Typical application
    ROV and AUV navigation - Towfish navigation - Metrology - Precise positioning - Out-of-straightness survey
  • Distinguishable features
    - Accurate and georeferenced position + attitude at high frequenvy- No spinning element hence maintenance free- Flexible & scalable configuration for all deployment scenarios- Immediate availability and performance for all vehicles- Corrosion-free housing for water depth up to 6,000 m- Ultimate sub-metric performance using sparse array transponders and on-the-fly calibration

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