Offshore: groter, sneller, efficiënter - KIVI · 28 Lloyd’s Register certification Safety and...

1

Offshore: groter, sneller,

efficiënter

10 november 2011

‘s-Hertogenbosch

2Linear Motion and Assembly Technologies | _firstname _lastname |tt.mm.jjjj | Abteilung | ©Bosch Rexroth AG 2009. Alle Rechte vorbehalten, auch bzgl. jeder

Verfügung, Verwertung, Reproduktion, Bearbeitung, Weitergabe sowie für den Fall von Schutzrechtsanmeldungen.

Motion compensated platform

for

offshore installation

Providing increased safety and workability

“Offshore Conference AVANS Hogeschool”

“10-November 2011”

Maarten Kuijpers, Bosch Rexroth



Workability of Crane Barges



The Barge M

aster



Swinging of the load


M

Small roll or pitch angle

Multiplying effect of

long boom

Large boom tip m

otion

6

Translation of the load

Linear Motion and Assembly Technologies | _firstname _lastname |tt.mm.jjjj | Abteilung | ©Bosch Rexroth AG 2009. Alle Rechte vorbehalten, auch bzgl. jeder



M

Heave

1:1 m

otion transfer

77

The Barge M

aster

A New solution…

�Using standard barge

�In between: Barge Master Motion Compensator

�Using standard crawler crane



8

New Solution for cranes



99

The Barge M

aster

Crane barges and weather window

�Safety

�Weather downtime/workability

�Planning & costs

�Traditional solution

-Reliable

-Costly

-Lacks flexibility



10Applications

Cranes



Jack-Ups

Competitors??

11

Applications

Supply



Combination

Bargemaster & Jack-

up‘s

Extends use of jack-ups

Load-In not required in

sheltered water.

Less mass on board of

jack-up‘s

12

Barge M

aster as supply platform

Motion compensated supply to Jack-up barges

Screenshots from anim

ation m

ade by Jumbo



13

Barge M

aster as supply platform

Motion compensated supply of tripods to Jack-up barges



14

�3 DOF fixation of barge and platform

�Surge, sway and yaw

Technology -Working principle



15

�3 DOF compensation

�Heave, Roll and Pitch

Working principle



16

Se

nso

rs (

MR

U)

Co

mp

en

sate

d c

ran

e p

latf

orm

Po

we

r u

nit

Co

ntr

ols

Barge M

aster System

Drive and Control by Bosch Rexroth



17

N2

Power

Hydraulics

�Special type of cylinder

�Third chamber for passive compensation

�Passive compensation of static weight

Se

nso

rs (

MR

U)

Co

ntr

ols

Pa

ssiv

e

Act

ive



18

N2

Power

Hydraulics


�Active compensation of dynamic forces

�Extending cylinder

Se

nso

rs (

MR

U)

Co

ntr

ols

=+

Pa

ssiv

e

Act

ive



19

N2

Power

Hydraulics

Se

nso

rs (

MR

U)

Co

ntr

ols

=+


�Active compensation of dynamic forces

�Retracting cylinder

Pa

ssiv

e

Act

ive



20

The Barge M

aster

Simulation

�Stability:

“for what load will the system be stable?”

�Controllability

�Performance



21



MARIN Scale model testing

22



MARIN Scale model testing

�Roll compensation

> 95%

�Pitch compensation > 95%

�Heave compensation> 95%

24



Questions?

25

C400 / S700 Barge M

aster under construction

�For 400T crane

�Or 700T supply load

�Compensation up to Hs 1.2m / 1.5m

�Available July 2012

�2 MW power pack



26

�Flexible in use

�Relatively low cost

�Containerized for transport

�Use standard crane and barge

�Modular design

�Customized for client / application

�80T –

600T crane capacity

�200T -1000T supply capacity

Barge M

aster features



27



MARIN results

Kapiteltitel

28

Lloyd’s Register certification

�Safety and Emergency Philosophy

�Platform and foundations

�Structural design

�Fabrication

�Drive and control

�Part level -FMEA

�System at FAT

�System at SAT

Safety -Certification



29

�No single failure in the electronics may lead to a system stop

�two motion reference units

�three CIMS sensors for cylinder position

�two central processors

�two HNC’s per cylinder

�UPS systems

�Generators on busbar

�No single failure in the hydraulics may lead to an uncontrolled situation

�three+ motor pump groups

�two filter cooler circuits

�safety valves

Safety -Redundancy



30

Offshore: groter, sneller,

efficiënter

10 november 2011

‘s-Hertogenbosch

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Offshore: groter, sneller, efficiënter - KIVI · 28 Lloyd’s Register certification Safety and...

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