TIBS - Controller with sensor technology development for use at electrically driven airplane doors of the next generation airplanes
Overview
Background & policy context:
Doors from passenger aircrafts are opened and closed manually. Normally, the cabin crew engages in unlocking, opening and closing of the doors. Opening aircraft doors requires a certain physical strength because of the design of contemporary aircrafts.
Objectives:
In a joint project of German system and equipment companies, the basics and
approaches for utilizing a new type of supervision and controls of electrically
powered aircraft doors were developed. Safety, availability, reliability as
well as a simpler handling, maintenance and emergency opening were factors to
consider. The project covered the definition, specification and implementation
of necessary modules for the integration of a door at Eurocopter.
Methodology:
In a first step, the basic processes when opening and closing a door were analyzed. The door system´s elements were consequently identified and ascribed certain tasks. The interfaces for door kinematics and actuators were defined. The interfaces for power supply and emergency power supply were worked on. The processes of door controls were defined. The overall concept had to be revised steadily during the project. The concept with the three actuators
- Swivel actuator
- Dearest actuator
- Flight lock actuator
were implemented in the end.
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