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HIPAP – ACOUSTIC UNDERWATER POSITIONING AND NAVIGATION SYSTEMS

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HIPAP MODELS OVERVIEW

SystemHiPAP 502HiPAP 452HiPAP 352HiPAP 351PHiPAP 102
Number of active elements24146464631
Max/recommended acoustic operating area below vessel200º / 200º160º / 120º160º / 120º160º / 120º120º / 120º
Minimum gate valve size required20 in / 500 mm20 in / 500 mm14 in / 350 mm20 in / 500 mm
Transducer diameter400 mm400 mm320 mm345mm460 mm
Angular accuracy* of X/Y directions
(1 sigma figure)
20dB S/N:0,06º
10dB S/N:0,10º
0dB S/N:0,30º
20dB S/N:0,10º
10dB S/N:0,15º
0dB S/N:0,40º
20dB S/N:0,10º
10dB S/N:0,15º
0dB S/N:0,40º
20dB S/N:0,18º
10dB S/N:0,23º
0dB S/N:0,40º
20dB S/N:0,14º

Accuracy dual mode operation, two-TD system*20db S/N:0.042º
Narrow pointing receiver beam10º15º15º15º15º
Operating range*1 – 5000 m1 – 5000 m1 – 5000 m1 – 4000 m1 – 10000 m
Number of transponder channels, CW / Cymbal56 / 500+56 / 500+56 / 500+56 / 500+30 / 50
Frequency band21 – 31 kHz21 – 31 kHz21 – 31 kHz21 – 31 kHz10 – 15 kHz
Range detection accuracy*0.02 m0.02 m0.02 m0.02 m0.02 m
Hull unit for automatic transducer deployment through hullAvailableAvailableAvailableAvailable

* Position accuracy [°] can be calculated by √(X2 + Y2). Values are based on use of Cymbal mode, free line of sight from transducer to transponder, no influence from ray bending, Signal to Noise ratio as specified in water in the 250 Hz receiver band, no error from heading/roll/pitch sensors. Operating ranges are typical and conservative, and are assumed by using KONGSBERG transponders with sufficient source level.

All HiPAP 351P models includes attitude sensors with different accuracies as follows :

  • HiPAP 351P: Includes MRU-H
  • HiPAP 351P-5: Includes MRU-5
  • HiPAP 351P-MGC: Includes MGC IMU
  • HiPAP 351P-I: Includes HG9900 IMU

NOTE

It is very important to use transponders with strong enough output source level to obtain the highest S/N ratio and thereby also the best SSBL accuracy.

ACOUSTIC POSITIONING OPERATING STATION FOR HIPAP AND HPR
ACOUSTIC POSITIONING OPERATING STATION FOR HIPAP AND HPR

ACOUSTIC POSITIONING OPERATING STATION FOR HIPAP AND HPR

The HiPAP and the HPR systems are operated from the acoustic positioning operating station (APOS) – a computer with a Windows based operating software. The systems can be operated from one single APOS station or from a wide number of APOS operator stations connected to a network. The APOS software can be integrated with Kongsberg Maritime Dynamic Positioning systems.

  • Acoustic processing computer (APCxx).
  • APOS system software.
  • Keyboard.

Colour monitor.

ACOUSTIC POSITIONING OPERATING STATION SURVEY
ACOUSTIC POSITIONING OPERATING STATION SURVEY

SURVEYOR'S INDEPENDENT OPERATOR STATION FOR HiPAP
SURVEYOR’S INDEPENDENT OPERATOR STATION FOR HiPAP

FEATURES

ACOUSTIC POSITIONING OPERATING STATION FEATURES
ACOUSTIC POSITIONING OPERATING STATION FEATURES

TECHNICAL SPECIFICATION

Technical Specification
Technical Specification

A simplified diagram illustrating the APOS Survey system configuration
A simplified diagram illustrating the APOS Survey system configuration

KEY TECHNICAL INFORMATION

THE APCXX COMPUTER

The Acoustic Processing Computer (APCxx) is a powerful industrialized standard computer available in 19 inch rack, desktop or console versions.

APOS SYSTEM SOFTWARE

The APCxx computer has customized software specially designed to meet the subsea survey and DP operator demanding requirements. This software is programmed on a standard Windows operating platform.

KEYBOARD

A standard PC keyboard with numerical keys and a trackball, controls the operation.

COLOUR MONITOR

The screen is divided into 3 windows in which the operator can select several different views. Typical views are: graphical position plot, numerical data, inclination, roll, pitch and heading.

A normal display configuration is illustrated to the left.

One system may have one or several operator stations, which communicates on an Ethernet. One of the operator stations will be the Master. This is selected by the operator(s).

Read more : ACOUSTIC CONTROL SYSTEM FOR BOP OPERATION; µPAP (MICROPAP) COMPACT ACOUSTIC POSITIONING SYSTEM; TRANSPONDER, FOR EXPLOSIVE ATMOSPHERE

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