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In the development of critical applications for human safety, the validation activity is one of the most important tasks to be performed, andit  is considered as the main activity to minimize systematic errors. This activity often requires an effort comparable to the project implementation, and it is almost always compliant, for example, with the international standards on functional safety: IEC 61508, IEC 61511, IEC 62061, IEC CENELEC EN 50126/50128/50129, IEC 61513 , etc.

When the validation activities must be performed according to one of the aforementioned standards, there are often considerable difficulties to match the requirements, as the requested techniques and methodologies implies considerable expertise and experience. Also in these cases, HINTSW - T & T Systems offers a wide range of services that aim at supporting the customer throughout the process of validation until obtaining the safety certification or approval.
 

The techniques and methodologies used by HINTSW - T & T Systems to perform validation activities, are those required by international standards and are compliant with the current state of the art and with main literature. In particular, HINTSW - T & T Systems has many years of experience in the process of verification and validation of software according to the "V-Model", recommended or required by many standards in the field of functional safety.
 


SoftwareValidation-2

Validation activities

In summary HINTSW -T & T Systems is able to provide support for the execution of the following validation activities:
 
  • drafting of Verification and Validation plans containing the planning of Verification and Validation (V & V) activities, and selection of the methods and techniques to be used in such processes;
  • drafting of the protocols of the functional type tests, such as writing the specification  of the software requirement tests; 
  • drafting test plans for software integration and hardware-software integration;

  • drafting the validation specs of software modules; 
  • execution of case studies specified in the relevant specification of  module test, software integration and HW / SW integration, including the drafting of the relevant validation reports;

  • execution of the factory functional tests (FAT) and of the  site functional tests (SAT) and drafting of the validation reports;

  • validation through use of special suites, of translators/compilers software, both in a simulated environment, and in hardware target .

 


Bug-lifecycleValidation techniques

For validation activities, HINTSW - T & T Systems is an expert in the use of the following means, techniques and methodologies:
  • validation of software translators and compilers with use of dedicated validation suites such Plum Hall, both in "Hosted" and "Target" environment;
     
  • protocol and specification validation project implementation, with automatic tracking of requirements coverage;

  • test for the functional validation of software using dedicated tools such as Cantata, Rational, Simulink, etc.;

  • creation of the databases of test cases using dedicated tools (IBM Optim Version, Rational, etc.);
  • dynamic analysis of software using dedicated tools (Rational, Parasoft, Valgrind, etc.);

  • harness testing;

  • use of tools to perform static analysis and code coverage (Splint, Parasoft, GCOV, etc.);

  • automation of the testing process using the PLC or developing "ad hoc" tools.

Contacts

Tel.: +39 02.2897.0440; +39 02.2871.305

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Commercial contact: +39 348.600.32.82

Registered office: I-20129 Milano, via Plinio 1
Office: I-20127 Milano, via Natale Battaglia, 27

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Industries

Settori

HINTSW - T&T Systems has been operating for over a decade in the field of functional safety concerning the main industrial sectors and public transport.

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Consulting

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HINTSW division provides highly professional and specialized consultancy in the development of programmable electronic system used in safety-critical applications.

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Safety certification

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The safety certification of a system or equipment is often an arduous challenge to win, HINTSW provides all the support and know-how necessary to win.

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Training

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HINTSW, drawing from their expertise, offers a wide range of services in the field of vocational training.

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