Auxiliary equipment set
Purpose and composition
The Auxiliary Equipment Set ensures coordinated and synchronized operation of all subsystems within the hydrographic complex. It includes an inertial navigation system, communication and switching units, a data exchange computer, a sound velocity sensor, and a retractable deployment device
Sound Velocity Sensor
Retractable Deployment System
Retractable Deployment System
Retractable Deployment System
Inertial Navigation System
Designed to generate and transmit real-time data on the vessel’s coordinates, heading, velocity, and base plane orientation. This data is integrated into the hydrographic complex to enable precise referencing of measured parameters to the ship’s position
Technical specification
|
Parameter
|
Value
|
|---|---|
|
Steady-state heading error
|
± 0,1·sec(φ)
|
|
Coordinate error
|
Observational mode – 30 m
Autonomous mode – 5 km (over 5 h) |
|
Error of the ship’s rotational motions
|
2,0’
|
|
Error of the ship’s movement along the
XYZ-axes |
5 cm
|
|
External inputs
|
DSL, GPS, gyrocompass
|
Data Exchange Computer
Provides real-time data transmission to the Data Processing Center (DPC) and connection between the hydrographic complex and external ship systems
Uses 6 Ethernet channels and 12 RS-232/422/485 channels
Uses 6 Ethernet channels and 12 RS-232/422/485 channels
Switching Equipment
Designed for high-speed communication of subsystems via Ethernet 1G PoE, Ethernet 10G, and fiber-optic links
Sound Velocity Sensor
Measures the instantaneous sound velocity at the antenna location, ensuring accurate beamforming for multichannel acoustic systems
Specifications
|
Parameter
|
Value
|
|
|---|---|---|
|
Absolute sound velocity error
|
±0,6 m/s
|
|
|
Hydrostatic pressure range
|
from 0 to 2,5 MPa
|
|
|
Absolute error (pressure)
|
±0,02 MPa
|
|
Retractable Deployment
System
Enables the extension and retraction of the transducer system within the vessel’s hull, including the opening and closing of the clinket mechanism. This ensures the reliable operation of the hydroacoustic systems at vessel speeds of up to 10 knots
Specifications
|
Parameter
|
Value
|
|
|---|---|---|
|
Extension range relative to hull bottom
|
up to 1 m
|
|
|
Maximum allowable transducer system
weight |
100 kg
|
|
|
Maximum vessel speed during
operation |
10 knots
|
|
