From the concept to the product

Functional safety, Safety of the Intended Functionality (SOTIF) and autonomous systems for level 3 and level 4 are not the result of a particular development stage. They require comprehensive thinking and actions. That is why we believe in integrated safety engineering.

A combination of competence and culture
Functional safety starts early in the development cycle, is present in all processes and ends only when the product is decommissioned. It requires well-founded knowledge of processes, solutions and algorithms, as well as high implementation competence:

  • The standard requires a safety culture, i.e. the development team must be aware of its responsibility. Our development engineers have the necessary experience and are aware of their responsibility.
  • The system must be safeguarded against sporadic and systematic errors. Our development engineers know how to implement effective error detection and correction.
  • In complex systems, in particular with pattern recognition and/or AI, the scenarios, in which correct function is no longer guaranteed, must be determined and measures must be found to master the scenarios or to assume a safe state early enough (eg transfer to the driver).
  • In addition, ISO 26262 and ISO 21448 provide specifications on the scope of tests and validation incl. methodical derivation of the test cases. Our development engineers are familiar with the required test methods and how to implement them.

Beyond the usual
Your established processes may have to be revised:

  • Requirements engineering: The safety requirements that result from the safety concept or the limits of the specified functionality must be additionally coordinated with the customer and included in the system requirement specification. The “novelty value” of these requirements calls for special treatment!
  • Architectural design: Depending on the assessed system, risk mechanisms must be incorporated in the architecture to reduce the residual risk below the acceptance threshold. This can include monitoring and warning procedures, measures for achieving a safe condition and others
  • Detailed design and implementation: Safety-critical modules necessitate especially high quality requirements. They are ensured through reviews and tests with special test methods and overlapping monitoring. Special know-how is necessary for various technical requirements.

Our services
To ensure that your projects are on the safe side, we perform the following tasks:

  • Creation of the system requirement specification with safety requirements
  • Creation of an architectural design with additional safety mechanisms
  • Detailed design, implementation and module testing of safety-critical modules
  • Integration through to the complete system with corresponding tests