曝光台 注意防骗
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evaluated to minimise the opportunities for error, human errors will occur. The defence against this
incident becoming an accident was the use of effective situation awareness by a flight crew. Whilst
the risk of a collision was averted, the incident shows the importance of all crews and controllers
maintaining maximum situational awareness at all times.
No safety recommendations were made as a result of this incident because NATS and Manchester
ATC had already taken appropriate measures to review, standardise and improve their procedures.
The operator of EI-CJI has also undertaken to use the circumstances of this incident as a training aid
for its flight crews.
Hydraulic System Simulation
Delphine HERTENS
T1.1.2 Leader. Hydraulic System Engineer
AIRBUS
VIVACE Forum 2, The Hague, Netherlands
Oct. 24-26, 2006
© 2006 VIVACE Consortium Members. Page: 2 24-26 October 2006
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TITLE OF THE SLIDE
VIVACE FORUM 2
Hydraulic system task context
Objectives of the task
– Increase the level of simulation in hydraulic system design
– Increase hydraulic system simulation fidelity to contribute to
design cycle and costs reduction
Hydraulic System simulation contributes to the renewal of
the systems development process by providing to flight
controls and handling qualities teams the most realistic
hydraulic model at the earliest
© 2006 VIVACE Consortium Members. Page: 3 24-26 October 2006
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TITLE OF THE SLIDE
VIVACE FORUM 2
Hydraulic system overview
Basic function of Aircraft Hydraulic system: to provide required power to
hydraulic consumers which are (mainly):
- Flight control surfaces (ailerons, elevator, rudder, spoilers, flaps…)
- Landing gear systems (extension and retraction, braking, steering…)
- Cargo doors, thrust reversers…
Main components of Hydraulic system:
- Pumps
- Valves
- Filters
- Reservoir
- Indicating devices
- Pipes and fittings…
HSMU
RAT
PUMP
ENGINE 1
ENGINE 2
ENGINE 3
ENGINE 4
AILERONS
SPOILERS
AILERONS
SPOILERS
RUDDER
ELEVATOR
ELEVATOR
HYD
SYS
Hydraulic Reservoir
© 2006 VIVACE Consortium Members. Page: 4 24-26 October 2006
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TITLE OF THE SLIDE
VIVACE FORUM 2
Hydraulic system simulation
Iterative work for sizing and
optimisation of:
- Hydraulic system
- Hydraulic consumers
- Flight control laws
HYDRAULIC
SYSTEM
CONSUMERS
Flight control
laws
Handling
quality
A/C behaviour towards
pilot order
© 2006 VIVACE Consortium Members. Page: 5 24-26 October 2006
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TITLE OF THE SLIDE
VIVACE FORUM 2
Hydraulic task scenarios
SCENARIO 1
PRE-DESIGN
MODEL
Scenario
completed
Pre-design
model
Available early
Real time
Integration in flight
control simulation
platforms (multi-systems)
Base for more complete
models (later)
=>Improve flight control tests cases
fidelity
=>Reduce iterations, and iterations
time between hydraulic system and
flight control laws / handling quality
=>Earlier optimisation of hydraulic
generation
Tool: SCADE
Realistic but nevertheless simple, as required
System level
Flight control
laws and
handling quality
specialists use
DELIVERABLE TITLE
by
Author (Company)
Abstract:
This document describes…
Dissemination:
Deliverable/Output n°: Issue n°:
Keywords:
Detailed
model
Non real time
Physical dynamic
modelling
Stand-alone simulation
Coupled simulation with
flight control simulation
platform (not integrated in
multi-systems simulation
platforms)
=>Improve hydraulic model fidelity
=>Hydraulic system detailed
performances and behaviour
status
=>Earlier system verification and
validation
=>Reduce Iron Bird and flight tests
SCENARIO 2
DETAILED Tool: SABER
MODEL
On-going
work
System level
Hyd system
specialists use
More accurate
© 2006 VIVACE Consortium Members. Page: 6 24-26 October 2006
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TITLE OF THE SLIDE
VIVACE FORUM 2
Zoom on scenario 1:
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