ADFCS-II - Affordable digital fly-by-wire flight control systems for small commercial aircraft (second phase)
Overview
Background & policy context:
The aim of this project (GRD1-2000-25261) was to bring the proven benefits that accrue from the introduction of digital fly-by-wire technologies to the small commercial aircraft market. This required the application of innovative architectures and techniques in order to reduce the cost to an affordable level.
The name ADFCS stands for Affordable Digital Flight Control Systems. It is not a phonetic acronym that is easily pronounced but it does clearly explain the simple goal of the project, and clarity is one of the key requirements to attaining certification clearance for safety critical applications. The project was a partnership between industry, research organisations and universities from Greece, Israel, Italy, Poland, the Netherlands and the United Kingdom. The project started in 1998 and, through a contiguous second phase, was completed in 2004 with a total duration of 6 years.
Objectives:
This project followed-on from ADFCS (Brite/Euram Project BE97-4098), which set out to develop an architecture and design methodology that would reduce the cost of ownership (development, acquisition, operation, and maintenance) of Fly By Wire (FBW) technology and make it affordable to small commercial aircraft applications. The goal of the second phase was to provide; a mix of new tools; new methodologies; clear design requirements; and new system architectures to provide a cost-effective platform for the designs.
Digital Fly-by-Wire technology has become state-of-the-art for all modern large commercial aircraft. The additional initial cost of acquisiti
Methodology:
The work was conducted using a combination of simulation and rig evaluation activities.
Multi-partner simulations were integrated using a synthetic environment (SE) simulation tool that was developed during the first phase of the project and evolved and expanded during the second phase.
One objective of ADFCS-II was to improve the utility of the tool by taking into account the industrial partner’s needs, which are summarised as:
- Modularity, model architecture based on the interconnection of several atomic models, each of them representing a specific system HW/SW component;
- Flexibility, in terms of availability of different simulation models of the same physical component developed with different level of details;
- Real-time compatibility, in order to allow rapid and user-friendly desktop to real-time
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