Dynamic positioning systems for marine vessels and offshore units
Publisher: Nordik Academia
Publication date: 17 October 2025
Language: English
Print length: 199 pages
ISBN: 9798270372927
Item weight: 272 g
Dimensions: 15.24 x 1.14 x 22.86 cm
This reference is applicable to systems that are installed onboard vessels, offshore installations and facilities as well as for new constructions and incorporates requirements and guidelines for proving single fault tolerance of dynamic positioning systems in absolute terms, fault ride through on low voltage systems, closed bus operation, hybrid power systems, and communication network integrity.
Preface
Contents
Abbreviations and acronyms
Introduction
General
Classification notation
Definitions
Documentation
Certification
Dynamic positioning system design
General
Objective
DP system technical requirements
Essential non-DP systems
Emergency shutdown system and DP redundancy
Alarms, monitoring, and instrumentation
Communications and DP alert system
Failure mode and effects analysis (FMEA)
Power systems
Objectives and goals
Power generation system
Power distribution
Power management system
Uninterruptible power supply systems (UPS)
Energy storage systems supporting DP operations
Power system tests for proving single fault tolerance
DC power distribution systems
Thruster systems
General
Objectives and goals
Thruster capacity
Thruster configuration
Thruster auxiliary system
Thruster control
Thruster monitoring and alarm
Control systems
General
Objective
DP control station
DP control system
Manual position control system
Control mode selection
Position reference system and environment sensor
Display and monitoring
Auxiliary systems
General
Objective
Fuel oil
Cooling water
Compressed air
Lubrication oil systems
HVAC and ventilation
Piping
Pneumatic systems
Power supply to auxiliary systems
DP system initial test
General
DP system performance test
FMEA proving trial for DPS-2 or DPS-3
Surveys after construction
Enhanced system
General
Objectives and goals
Enhanced system for DPS-2 and DPS-3
Summary of system requirements for enhanced system notations
Closed bus and standby redundancy
Station keeping performance
General
Definitions
Objectives and goals
Analysis conditions
Environmental load calculation
Other external loads
Available thrust
Rudder forces
SKP calculations
Documentation
Specific vessel types
Introduction
Objectives and goals
Mobile offshore drilling units
Project or construction vessels
Logistics vessels
Articulated tug-barge combinations
Other optional notations
Introduction
System verification for DP system
APPENDICES
Available thrust assessment
Introduction
Thrust at bollard pull
Thruster-thruster interaction
Thruster-hull interaction
Thruster-current interaction
Tunnel thrusters
Rudder forces
Introduction
DP operations guidance
Introduction
Themes
Trials and checklists
DP operations manuals
Recommended DP documentation
References
Fidaa Karkori is an established author and training specialist with a particular focus on the offshore industry.
Rajeeve Sanguri is a marine surveyor who has worked both onshore and offshore for the past 20 years.
