Information modelling of European railway signalling systems. Create a data platform for European Infrastructure Managers to exchange semantic data with manufacturers - away from paper.Eliciting national requirements and know-how from domain experts from 6+ national infrastructure managers. Reconciling domain jargon. Sparring with management, Actioning the model to create solutions for data management. Pivotal role between stakeholders and domain experts. Reporting and presenting.Created Visio add-in for advanced BI / Computer Aided Design (https://ijzerweg.nl/?page_id=37)Motto: Ce qui se conçoit bien, s'énonce clairement et les mots se trouvent aisement

Provide ETCS and CBTC expertise for mainline and mass transit projects. Sparring with management to reconcile commercial and technical issues.Systems Engineering, data and business process modelling.Technological innovation of electronic interlocking systems and ETCS. E.g. optimisation of the engineering process, mining logdata with Python for improving maintenance. "computer aided railway engineering".Other activities "on the side" railway simulation for metro operation, data-modeling data with RailML, analysis of complex and voluminous logs, coaching graduate students and new employees ("sensei").Extract live state and diagnostic data from legacy interlocking systems. Created an OPC-UA server using python, Linux and Windows. Papers and conference presentations.

Modelling the European interlocking and signalling systems in UML and XML schema.Open Source development with partners in Germany, France, Belgium, Netherlands, Spain, Austria.www.railml.org

Analysis and pinpointing of ETCS related problems. E.g. in-depth analysis of RBC and GSM-R datalogs related to Level 2 train operation.Visualisation of large amounts of data for test- and analysis.

Onsite testing of ETCS Level 1/Level 2 implementation of high speed train line HSL Zuid.Ranging from test execution with Thalys high-speed train to data analysis.

Développement système et test CBTC pour métro automatique.Langages formels, EN50152, logiciel sécu, temps réel, posix, unix, Ada.

Systementwicklung sowie Software-Entwicklung und Test im Bereich ETCS für Fernbahn. Schwerpunkt Echtzeitsystemen und sichere (SIL) Software.

Marine geophysics, modelling with C and unix.Processing big datasets of sidelooking sonar.