Functional Development –
Vehicle control

TCMS-Architecture

Development and specification of the TCMS architecture, including the definition of system requirements, interfaces and functional specifications

Specification and configuration of the communication network (Train Communication Network, TCN)

Design of local and vehicle-wide bus and network systems (CAN, MVB, WTB, Ethernet, ...)

Definition of vehicle functions to be implemented via the control and communication system

Structured connection of subsystems

Design and implementation of the central control system that monitors and controls all vehicle functions

Alignment of system-ICDs with subsystem supplier

Software development process according to DIN EN 50128/50657 (V-Model)

Creation of software requirement specifications (SRS)

Implementation of the software (via manufacturer-specific or independent development platforms)

Programming of railway-compatible control systems according to IEC 61131 (PLC)

Development of control functions according to system-specific function groups

Implementation of safety-relevant functions on safety controllers

Programming with high-level languages (C, C++, C#, VB, QT)

Creation of the vehicle diagnostic concept

Coordination of content with system engineering

Definition and classification of the contents of vehicle diagnostics

Design of data logging and definition of the storage functions (e.g. according to TSI LOC&PAS)

Implementation of interfaces for maintenance (control center, depot)

Implementation of fleet diagnostics

Higher-level integration of data loggers

Selection of suitable displays (buttons, touch, SIL)

Development of the visualization concept for driver displays

Definition of the control and monitoring functions to be implemented

Design of the HMI screens and content (DIN EN 16186-2)

Development through HMI-designers (e.g. Maestro-Designers by Selectron) or programming libraries (e.g. QT)

Programming with high-level languages

Visualization of diagnostic messages on the driver HMI