Safety, V&V on the SW lifecycle of centralised computerised railway signalling equipment

SERVICE MERCATO CLIENT Primary Group of the railway transport field YEAR 2017-2020

Client brief

Safety, Verification and Validation activities over the entire SW life cycle of an innovative ACC for railway signalling.

Project challenge

To accompany and support the client effectively and continuously in all activities required by the 50128 Standard for the SW lifecycle of an innovative ACC.

Solution

NIER assisted the client through all the stages of the V-cycle, checking the specification documents, analysing the security issues and proposing solutions, talking to the design team, checking the testing activities, right up to the drafting of the validation report.

 

Esecution phases

FASE 1

Analysis of the User Needs and requirements of the signalling system as a whole

FASE 2

Analysis and identification of safety problems, with the drafting of a Hazard Analysis

FASE 3

Verification of design documents produced by the client

FASE 4

Safety analysis of the source code to identify any safety problems in the software implementation

FASE 5

Support to the design team in the implementation of the algorithms

FASE 6

Verification of the various test phases

FASE 7

Drafting of the necessary documentation in each phase of the V-cycle, up to the drafting of the SW Validation report.

Achieved results

NIER’s work assists the client in all phases of the V-cycle, enabling the timely detection and correction of any inconsistencies, anomalies and security issues in the specifications, software and/or testing phases, helping to assess the operating conditions of the ACC, so as to achieve a safe and efficient SW.

 

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