ABB X2000 – RAM & Safety for modernisation

ABB carried out a modernisation of the Swedish high speed trains X2000 from SJ. The modernisation concerned among other systems parts of the traction equipment, vehicle control, auxiliary systems and air conditioning. ENOTRAC supported ABB within the organisation in the following tasks regarding RAM, Safety and LCC:

• Carrying out and description of the reliability oriented maintenance analysis
• Modelling the path of the signal of important train functions (emergency brake, door opening, traction inhibition) with fault trees
• Mathematical safety demonstration of the studied functions
• Carrying out a Common Cause Failure Analysis
• Editing function descriptions of the vehicles and the technical documentation
• RAM analysis (FMEA und FTA)
• RAM validation
• UNILIFE-models (RAM und LCC)