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specialist, via an email client or FTP service.
− Collaboration (Whiteboarding): relevant parts of acquired images can be
pointed out with graphic primitives, such as lines and circles giving the participants
the possibility to solve the problem by interactive collaboration.
The designed experiment to test this system consists in a remote assistance with ET (eddy
current testing) array Omniscan device, applied to corrosion detection between fuselage &
acoustic insulation panels. In this experiment, the local NDT operator and the remote NDT
expert directly exchange data, pictures and live videos. This application case has been demonstrated
during the survey performed at the end of the project.
Finally, the experiments performed showed the potential and great advantage of remote
assistance tools. They allowed NDT operators facing a difficulty to get a simple, quick and
valuable answer.
In the present state of NDT in maintenance, operators often face difficult situations: either
they need help to adapt their inspection, or they are simply not allowed to adapt a procedure
because of their level of certification. OMA is a great step forward that may increase significantly
European aircraft manufacturers’ competitiveness.
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Figure 8 – Online Maintenance Assistance (OMA) via GSM
5. Customer Survey and Demonstration
The analysis of existing NDT inspection procedures and the definition of customers’ needs
was part of the project, as well. The idea was to involve customers from different cultural
regions, to understand their interpretation of current manuals and procedures.
The partners involved were:
Aeroflot, Air France, Alitalia, EADS Sogerma, Iberia, Korean Air, Lufthansa, NorthWest
Airlines, Officine Aero-Navali, Royal Air Maroc, Shannon Aerospace ltd, South African
Airways, TAM
During the first year of the project, an exhaustive analysis of existing NDT inspection procedures
was conducted using the so-called Problem Typology. One of the goals of a widespread
customers’ survey implemented at a representative number of airlines and MRO
stations was to validate this analysis. In addition, the survey was also to bring to light the
requirements 3MP must meet. These relate to – among others – the IT infrastructure, environmental
conditions, working conditions and demographic data of the target group.
At the end of the project the demonstrator was presented to nearly the same airlines and
MRO’s to see, if we have taken their inputs from the initial survey into account. The response
was very positive: our vision of future NDT inspection procedures in multimedia
format clearly meets the customers’ needs. By envisioning multimedia content to support
the NDT inspection process, we will not only exploit the potential modern computer technology
provides today. We will also respond to a short-term wish expressed by the end users.
Finally, 3MP was tested under real conditions with NDT inspectors. The feedback for all
tested applications (i. e. 4M, ProEx, TAO and OMA) was very positive. In general, the users
had no problems using 3MP and the implementation of multimedia elements was more
than welcomed. 3MP can be considered a major application for enhancing future NDT inspection
processes.
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6. Conclusion
Beside the development of new and innovative NDT technology, the improvement of the
daily work of the inspectors all over the world, was the target of the INDeT project.
The multimedia design, that is made possible by electronic documentation systems, allows
to prepare instructions in a totally new form: real images, animation, video sequences demonstrating
procedures, 3D modeling of an inspection situation that can be manipulated as a
replacement for a traditional 2D drawing represent just a few of the possibilities offered by
the range of aids for the inspector which have become feasible. Integrated evaluation aids
such as defect catalogue, a catalogue of possible displays of the inspection equipment, etc.
up to expert systems were developed within the INDeT project.
The Non-Destructive Testing Manual (NTM), which is used today within the aerospace
industry, has a very simple structure and is not able to provide an interactive communication
with the user. The handling of Standard Procedures and Special Procedures documented
in a paper manual lacks ease of use, because the Standard procedure has to be referred
to from the corresponding Special Procedure. So one always needs two or sometimes
more procedures for one single inspection task. Modern electronic media, as developed in
INDeT, can be used to solve this problem. With a smart structure and documentation it is
possible to provide the inspector with the right and precise amount of information required
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