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Sublocus


 
General 
Product Name:Sublocus
Product Description:Sublocus is an underwater inertial navigation system that provides accurate position, velocity and orientation at depths of up to 3000 metres.
Type of application:Marine
Year of initial development:2011
Height [m]:0.133
Width [m]:0.17
Length [m]:0.17
Weight [kg]:6.4
Min. Voltage (AC):0
Max. Voltage (AC):0
Min. Voltage (DC):9
Max. Voltage (DC):50
Power consumption [W]:6
Splashproof casting:Y
Water resistant casting:Y
Water resistance [m]:3000
Mean time between failures [hr]:50000
Type of accelerometer:MEMS
Type of gyro:FOG
Removable from base plate:N
Moving parts:N
Environmental 
Non-operating shock tolerance [g]:25
Operating shock tolerance [g]:25
Min. operating temperature [C]:-40
Max. operating temperature [C]:85
Max. rotation speed [deg/s]:490
Data formats 
NMEA formats:GPZDA,GPGGA,GPVTG,GPRMC,GPHDT,PASHR
RTCM:Y
Other :AN Packet Protocol
GNSS Positioning Sensor 
Number of integrated GNSS receivers and antenna ports:1
No. channels p receiver:
Tracked satellite signals:GPS L1
SBAS differential signals:Y
RTK Network Compatibility:
Update rate [ Hz ]:
Cold start [ seconds ]:60
Hot start [ seconds ]:2
GNSS positional accuracy 
Horizontal Position Accuracy [ RMS in cm ] :
Horizontal Position Accuracy (SBAS) [ RMS in cm ]:80
Horizontal Position Accuracy (RTK) [ RMS in cm ]:
GNSS aided uncertainty 
Heading [deg]:0.05
Pitch [deg]:0.01
Roll [deg]:0.01
Heave: constant part [m]:0.05
Heave: variable part [%]:5
Surge/sway [m]:0.2
Increase in position uncertainty w.r.t. stand-alone GPS [m]:0.8
EM log aided uncertainty 
Heading [deg]:0.05
Pitch [deg]:0.01
Roll [deg]:0.01
Heave [m]:0.05
Surge/sway [m]:0.2
Decrease in position accuracy [m/hr]:5
Doppler log aided uncertainty 
Heading [deg]:0.05
Pitch [deg]:0.01
Roll [deg]:0.01
Heave [m]:0.05
Surge/sway [m]:0.2
Decrease in position accuracy [m/hr]:5
Unaided uncertainty 
Heading [deg]:0.05
Pitch [deg]:0.01
Roll [deg]:0.01
Heave [m]:0.05
Surge/sway [m]:0.2
Decrease in position accuracy [m/hr]:5
Inertial Measurement Unit 
Accelerometer bias [µ-g]:50
gyro bias [deg/hr]:0.05
Calibration procedure:None
Software 
Name:Sublocus Manager
Filtering:Y
Adaptable filter strength:N/A
Adaptable input signals:Y
Integrity monitoring of position input:Y
Integrity monitoring of log input:Y
Max. number of position input signals:5
Max. number of log input signals:5
Maximum latency of position input [ms]:30
Maximum latency of log input [ms]:30
Uncertainty indicators given in output:Y
Uncertainty of time stamp for output [ms]:0.001
Other specifications 
Export restrictions:No
Graphical user interface:Y
Typical application:ROV heading, pitch and roll
Subsea heading, pitch and roll
ROV navigation
Subsea navigation
Distinguishable features:High accuracy
Integrated GPS and pressure depth sensor
Rapid north seeking gyrocompass
Low maintenance
Extensive peripheral support
 


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