Advanced ship motion stabilisation
control systems
Rudder Roll Stabilisation
Classical stabilisation concepts
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passive anti-roll tanks: free surface type or U-Tube type,
fin anti-roll stabilisation.
Advanced dynamic control functions
SIREHNA® can provide 6 degrees of freedom dynamic control
of marine platforms for better comfort and better operability.
Functions
anti-roll at speed,
antil-roll at rest,
■ anti-pitch,
■ autopilot,
■ track control system (certified TCS Class C).
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ON BOARD OF ALL KIND
VESSELS:
OFFSHORE SUPPLY VESSELS
SUPERYACHTS
CREW BOATS
FRIGATES – CORVETTES
PATROL VESSELS
AIRCRAFT CARRIER
KEY POINTS
SIREHNA® can provide complete ship
motion stabilisation control system
solutions based on classical stabilisation
concepts (passive anti-roll tanks (“Flume”
type or U-Tube type), fin anti-roll
stabilisation) or more advanced dynamic
control functions (yaw/roll coupled
stabilisation, dynamic anti-pitch, rudder
roll stabilisation, zero speed or low
speed anti-roll stabilisation by active
moving masses).
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All our ship behaviour models are
based on modelling and/or simulations.
Through its various activities, SIREHNA®
developed experience in physical
modelling of naval systems and expertise
in modelling for control. Identification
and/or estimation of marine platform
behaviour is based on towing tank,
free model and full-scale trials.
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For naval or civilian projects SIREHNA®
designs control laws with LQG or
algorithms. These control laws are then
implemented on-board marine platforms
for dynamic control in discrete systems
with embedded software and hardware
provided by SIREHNA®.
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– Photo credits: DCNS, French Navy, ECPAD. Printed on 100% recycled paper Oxygen Pure Silk, FSC certified.
SIREHNA® is among the very few
companies which can provide
dynamic control of platform for the
6 degrees of freedom with advanced
functionalities such as ship
replenishment at sea, shipboard
UAV recovery, advanced autopilot.
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Complete ship motion stabilisation
control systems are available for every
kind of marine platform. Our philosophy
lies in integration of ship behaviour model
within control laws, environment
perturbations measurement, estimation
and feed-forward. We developed an
integrated ship-control approach with
connection to on-board integrated
platform management systems.
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■ Heel compensation for Charles de Gaulle
aircraft carrier.
Anti-roll stabilisation and auto-heading
mode tuning for Sawari II frigate.
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Complete refit of control system of
Satrap, Charles de Gaulle aircraft carrier,
integrated roll stabilisation and heel
compensation system.
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Rudder roll stabilisation control system
provided for French and Italian FREMM
frigates. Anti-roll stabilisation and track
control system Class C certified by Bureau
Veritas and proven at sea.
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Sea-state estimation from ship-motion
measurement and application to anti-roll
control systems.
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Stab 21: R&D industrial project with
Alstom Marine, ECN and IRCCYN for the
development of an innovative multi degree
of freedom ride control by SIREHNA®.
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SIREHNA
1 rue de la Noë – BP 42105
F-44321 NANTES Cedex 3
tel: + 33 (0) 2 51 86 02 86
www.sirehna.com / [email protected]
Potential extensions.
Connected to
POTENTIAL
EXTENSIONS.
advanced autopilots.
CONNECTED
TO ADVANCED
UxV
launch and recovery
functions.
AUTOPILOTS.
Replenishment at sea and operating
guidance
system.
UXV LAUNCH
AND
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RECOVERY FUNCTIONS.
REPLENISHMENT AT SEA
AND OPERATING GUIDANCE
SYSTEM.
Corporate communications – September 2014 – Non contractual document – Production:
REFERENCES