session41 michael baldauf
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ADOPTMAN - Advanced Manouvre planning for emergency situation person overboardTRANSCRIPT
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World Maritime UniversityDr.-Ing. Michael BaldaufE-Mail: [email protected]
Planning and conduction of optimised manoeuvres in emergency situations
Transportforum 2012Linköping11 - 12 January
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ADvanced (simulation-based) Planning for OPTmised Conduction of Coordinated MANoeuvres in Emergency Situations
Transportforum 2012Linköping11 - 12 January
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ADOPTMAN – Advanced planning for optimisedconduction of coordinated manoeuvres in emergency situations
Michael Baldauf, Sebastian KlaesJens-Uwe Schröder-Hinrichs(World Maritime University Malmö, Sweden)
Knud Benedict, Sandro FischerMichael Gluch, Matthias Kirchhoff(Hochschule Wismar, University of Applied Sciences, ISSIMS Warnemünde)
Dana Meißner, Uli FielitzInstitute für Schiffssicherheit
Erland Wilske Viggo LanderUlf Lindberg Stena – Line ASSSPA Sweden
ISV IN ST ITU T FÜ RSIC H ERH EITST EC H N IK
SC H IFFSSIC H ERH EIT
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4World Maritime University Malmö
Outline
IntroductionState of the artAdvanced manoeuvring assistance
AspectsDynamic wheelhouse posterApplying Fast Time Simulation
Aims and Objectives of PlanningPlanning of an Emergency Return ManoeuvreOutlook
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5World Maritime University Malmö
Introduction
Facts & Figures:Risk = probability × consequences75 % of PoB finally die [Annual maritime Incident Report, Queensland]
2000 to 2010, 150 PoB accidents of North American shipping companies [Klein]
Human factor:almost no experience available for most of the ship officers,
never or seldom experienced such an accident personally PoB training mostly in good conditions for safe training
• Introduction
• State of the art
• Advanced manoeuvring assistance
• Aims and Objectives of Planning
• Planning of an Emergency Return Manoeuvre
• Outlook
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6World Maritime University Malmö
Return manoeuvre for PoB accidents
Manoeuvres in PoB cases:no single standard procedure recommended Depending on time:− "Immediate action" situation,− "Delayed action" situation and− "Person missing" situation
Recommended manoeuvres acc. to IAMSAR/ MERSAR Vol. III:− SINGLE-TURN − WILLIAMSON-Turn − SCHARNOW-Turn
• Introduction
• State of the art
• Advanced manoeuvring assistance
• Aims and Objectives of Planning
• Planning of an Emergency Return Manoeuvre
• Outlook
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7World Maritime University Malmö
ΨC≈60°
Williamson Turn
ΨC≈240°
Scharnow Turn Single Turn
ΨC≈220°
Williamson Turn: Scharnow Turn: Single Turn:Not the best option Best option if the Best option if thein most cases accident was noticed accident was noticed
after certain time immediately
Advantages of a combination of ScharnowTurn & Single turn: •Identical up to course change of 220° - therefore more time is available and a later decision is possible for final manoeuvre; •Saving of time, because manoeuvring procedure is faster, •more chances for look-out, because turning direction does not change; •smaller distances to initial position, therefore better eye contact in restricted visibility;Optimisation of Manoeuvres needs to be ship type specific! ….
Return manoeuvre for PoB accidents
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8World Maritime University Malmö
• Introduction
• State of the art
• Advanced manoeuvring assistance
• Aims and Objectives of Planning
• Planning of an Emergency Return Manoeuvre
• Outlook
Introduction
Problem: There are in parallel the following aspects to consider:time pressure (many actions: release life buoy, fix position, alarms, ,.. and: rudder action and engine manoeuvres!) - thisis a source for errors!lack of information (when it has happened) makes decisions difficultdecision from variety of several manoeuvres is a burden…
See Sample of PoB action plan Actions of witness
Actions of bridge teamActions of captain
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9World Maritime University Malmö
Present situation – Case study I
• Introduction
• State of the art
• Advanced manoeuvring assistance
• Aims and Objectives of Planning
• Planning of an Emergency Return Manoeuvre
• Outlook
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Present situation – Case study II
• Introduction
• State of the art
• Advanced manoeuvring assistance
• Aims and Objectives of Planning
• Planning of an Emergency Return Manoeuvre
• Outlook
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11World Maritime University Malmö
• Introduction
• State of the art
• Advanced manoeuvring assistance
• Aims and Objectives of Planning
• Planning of an Emergency Return Manoeuvre
• Outlook
State of the art - Equipment
ECDIS and GPS marks incident position electronically
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12World Maritime University Malmö
• Introduction
• State of the art
• Advanced manoeuvring assistance
• Aims and Objectives of Planning
• Planning of an Emergency Return Manoeuvre
• Outlook
State of the art - Equipment
EquipmentINS/IBS offer no situation-dependent manoeuvring information
External factors influencing manoeuvring performance (e.g. wind) are usually considered only in mental model of the captain/OOW
no computer based support for manoeuvring adapted to the actual situation parameter is available, when most urgently needed
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13World Maritime University Malmö
• Introduction
• State of the art
• Advanced manoeuvring assistance
• Aims and Objectives of Planning
• Planning of an Emergency Return Manoeuvre
• Outlook
Manoeuvring and Manoeuvring characteristics
Principal division into routine- and emergency manoeuvresDepending on sea areas:
Open seaCoastal areas/ fairwaysPort areas, harbour basins
Safety critical /emergency manoeuvres:Last minute CA/GA manoeuvresAvoidance of dangerous rollingReturn Manoeuvres in PoB casesSAR Manoeuvres
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14World Maritime University Malmö
• Introduction
• State of the art
• Advanced manoeuvring assistance
• Aims and Objectives of Planning
• Planning of an Emergency Return Manoeuvre
• Outlook
Manoeuvring information for the bridge team
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15World Maritime University Malmö
• Introduction
• State of the art
• Advanced manoeuvring assistance
• Aims and Objectives of Planning
• Planning of an Emergency Return Manoeuvre
• Outlook
Manoeuvring information for the bridge team
Even none of the INS provides situation-dependent manoeuvring data yet
Up-to-date manoeuvring information can be provided by enhanced integrated simulation technologiesFor PoB- Cases wheelhouse poster should contain information about return manoeuvres
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16World Maritime University Malmö
Steering Parameter• Rudder angle, • Engine revolution / power• Bow-/Aft-thrusters• …
Status Parameter• max available rudder angle, • Time for rudder command• max engine revolution /
power• Time for reverse engine
manoeuvre• …
Actual moving parameter
• course, speed (x, y) • ROT, heading, draft,• Lateral wind area• …
Actual environmental condition
• Wind (force, direction), • Depth of water• Course of fairway• Aids to Navigati on• targets
VDR based manoeuvringData base• Manoeuvring data
depending on• Loading
condit ions• Environmental
condit ions• Steering and
Control parameters
• Steering and control condit ions
• …
Fast-time Simulation
Calculation of:• R udder commands according to s tandard procedure
• D etermination of ti me/heading for counter rudder and wheel over point
Application and Display of adapted
manoeuvringcharacteristics and generation of the complete
situation-dependent
manoeuvring plan
Dynamic Wheelhouse Poster and Electronic Manoeuvring Booklet
for advanced manoeuvring support
automatic plan for return manoeuvre in PoB
• Introduction
• State of the art
• Advanced manoeuvring assistance
• Aims and Objectives of Planning
• Planning of an Emergency Return Manoeuvre
• Outlook
Dynamic situation dependent manoeuvring information
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17World Maritime University Malmö
• Introduction
• State of the art
• Advanced manoeuvring assistance
• Aims and Objectives of Planning
• Planning of an Emergency Return Manoeuvre
• Outlook
The following equation of motion was used as math model for the ships dynamic:
right - effects of inertia (u and v represent the speed components in longitudinal and transverse direction x and y, r is the rate of turn. m - ships mass and xG is the distance of centre of gravity from the origin of the co-ordinate system, Iz is the moment of inertia around the z-axis.Left - ships hull forces X and Y as well as the yawing moment N around the z-axis. Their dimensionless coefficients are normally represented by polynomials based on dimensionless parameters
( )( )
( )ruvmxrINrxruvmYrxrvumX
Gz
G
G
++=++=−−=
&&
&&
& 2
Application of Fast-Time Simulation
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18World Maritime University Malmö
• Introduction
• State of the art
• Advanced manoeuvring assistance
• Aims and Objectives of Planning
• Planning of an Emergency Return Manoeuvre
• Outlook
Generating situation-dependent manoeuvre plans
Overall goal: Sequence for optimised manoeuvre controladapted to actual Ships situation
Current Problems:great variety of resulting tracks between different shipsmany options for parameter changesDefinition of the „optimal reference manoeuvre“
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19World Maritime University Malmö
• Introduction
• State of the art
• Advanced manoeuvring assistance
• Aims and Objectives of Planning
• Planning of an Emergency Return Manoeuvre
• Outlook
Generating situation-dependent manoeuvre plans
Results for Single-turn simulation with standard procedure for CV 7.500 TEU varying wind
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20World Maritime University Malmö
• Introduction
• State of the art
• Advanced manoeuvring assistance
• Aims and Objectives of Planning
• Planning of an Emergency Return Manoeuvre
• Outlook
Generating situation-dependent manoeuvre plans
Results for Williamson-turn simulation with standard procedure for CV 7.500 TEU – loaded and ballast
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• Introduction
• State of the art
• Advanced manoeuvring assistance
• Aims and Objectives of Planning
• Planning of an Emergency Return Manoeuvre
• Outlook
Generating situation-dependent manoeuvre plans
Different ship types performing Scharnow turnswith standard procedure
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22World Maritime University Malmö
• Introduction
• State of the art
• Advanced manoeuvring assistance
• Aims and Objectives of Planning
• Planning of an Emergency Return Manoeuvre
• Outlook
Generating situation-dependent manoeuvre plans
Reference outline Scharnow-turn
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23World Maritime University Malmö
• Introduction
• State of the art
• Advanced manoeuvring assistance
• Aims and Objectives of Planning
• Planning of an Emergency Return Manoeuvre
• Outlook
Generating situation-dependent manoeuvre plans
Reference outline Scharnow-turn
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• Introduction
• State of the art
• Advanced manoeuvring assistance
• Aims and Objectives of Planning
• Planning of an Emergency Return Manoeuvre
• Prospect
Generating situation-dependent manoeuvre plans
Optimisation possibility II:Basis: Standard manoeuvre (e.g Scharnow-turn)Variation of heading-value for counter rudder, but realized with an optimisation algorithmFitting to limitations of heading and distance to the old course
Ruder hart Steuerbord ab : 0 sKurs zu Beginn : 0°Dauer Ruder hart Steuerbord : 4 min 13 sÜberschwingwinkel : 32°Gegenkurs (+180°) : 180.0°Hart Gegenruder nach Backbord : 4 min 13 sHart Gegenruder nach Steuerbord : 6 min 19 sZeit bis Ruder Mittschiffs : 7 minBahnabweichung : 9,2 mHeading zu Manöverende : 178,3°Kurs zu Manöverende : 179,6°
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Outlook, Summary and Conclusions
Sample for display of dynamic prediction for actual handle position (straight track) and a second track in parallel from manoeuvring database (Sample of Scharnow Turn)
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Summary and Conclusions
• e-Navigation is a framework which will also allow for advanced manoeuvring assistance in case of emergencies
• The application of FTS has potential for:
Electronic wheelhouse poster - where important manoeuvring data for standard manoeuvres could be updated in regular intervals when conditions have changedPlanning and dynamic prediction to provide On-line support by simulating the future track and speed for actual control settings even in emergency situations
• ...
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Thank you for your attention!
Awaiting your questions!