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Tag Archive for: ASIL

ISO 26262 ASIL Decomposition – Pros and Cons!

FuSa_Automotive

ISO 26262 ASIL Decomposition: Part 9 of ISO26262 defines a scheme for dividing a requirement with a specific ASIL level into two requirements with lower ASIL levels.

In the following blog post I will address the question when the ASIL decomposition can be applied in practice and what are the advantages. At the same time, however, some practice is critically questioned in the projects regarding the ASIL decomposition. Read more

30. November 2019/by HEICON Global Engineering GmbH
https://heicon-ulm.de/wp-content/uploads/2020/03/DI1A6086_klein_Automotive.jpg 533 684 HEICON Global Engineering GmbH https://heicon-ulm.de/wp-content/uploads/2020/07/heicon-logo-5.png HEICON Global Engineering GmbH2019-11-30 21:25:532021-02-05 21:42:44ISO 26262 ASIL Decomposition – Pros and Cons!

Compiler for safety critical software – What needs to be done?

FuSa__General

The compiler is the central “tool”, which is required for every software development. It forms the link between the human-readable high-level source code (e.g., C and C ++) and the machine code, interpretable for the hardware processor. For the development of safety critical software according to relevant functional safety standards special requirements apply for the tools used during the development. (Refer to tool qualification blog 1 and blog 2) Such functional safety standards are ISO26262 (car), EN50128 (rail), IEC61508 (automation, general) or DO178C (aerospace).  The compiler plays a special role here. On the one hand, it is the central tool for any development. On the other hand, the measures proposed in the standards can not be fully applied in practice. The blog shows a process from the aerospace industry how to use compiler for safety critical systems. This process can highly be recommended for other industries. Read more

11. September 2017/1 Comment/by HEICON Global Engineering GmbH
https://heicon-ulm.de/wp-content/uploads/2019/12/DI1A6023_klein_Functional_Safety.jpg 433 547 HEICON Global Engineering GmbH https://heicon-ulm.de/wp-content/uploads/2020/07/heicon-logo-5.png HEICON Global Engineering GmbH2017-09-11 08:48:152021-02-03 21:47:16Compiler for safety critical software – What needs to be done?

Freedom from Interference – The practice in Industry!

FuSa__General

In the blog post ISO26262: Freedom from interference – What is that?, I explained the principle of Freedom from Interference. The example used was based on the automotive industry and the ISO 26262.
Now I would like to consider Freedom from Interference with respect to the industry sectors railway, aviation and automotive and share my industry experiences with you. Read more

7. July 2017/2 Comments/by HEICON Global Engineering GmbH
https://heicon-ulm.de/wp-content/uploads/2019/12/DI1A6023_klein_Functional_Safety.jpg 433 547 HEICON Global Engineering GmbH https://heicon-ulm.de/wp-content/uploads/2020/07/heicon-logo-5.png HEICON Global Engineering GmbH2017-07-07 11:11:302021-02-03 21:47:42Freedom from Interference – The practice in Industry!

ISO 26262 Freedom from interference – What is that?

FuSa_Automotive

ISO 26262 Freedom from interference :
There are four essential measures in the development of safety-critical systems.

  1. Design of safe systems
  2. Measures to minimize random hardware errors
  3. Measures to minimize systematic hardware and software errors
  4. Organizational measures (management of functional safety)

Particularly in the design of safe systems, the principle of Freedom from interference is a powerful measure. What’s this? The following blog provides an answer to this question. Read more

7. July 2017/6 Comments/by HEICON Global Engineering GmbH
https://heicon-ulm.de/wp-content/uploads/2020/03/DI1A6086_klein_Automotive.jpg 533 684 HEICON Global Engineering GmbH https://heicon-ulm.de/wp-content/uploads/2020/07/heicon-logo-5.png HEICON Global Engineering GmbH2017-07-07 09:31:402021-02-05 21:43:04ISO 26262 Freedom from interference – What is that?

Reuse Scenarios in ISO 26262 (part 2)

FuSa_Automotive

Reuse Secenarios in ISO 26262 part 1 demonstrated the diversity of reuse scenarios. Now I want to concentrate on concrete measures, which are used to make the reuse of software successfully. Read more

13. September 2015/0 Comments/by HEICON Global Engineering GmbH
https://heicon-ulm.de/wp-content/uploads/2020/03/DI1A6086_klein_Automotive.jpg 533 684 HEICON Global Engineering GmbH https://heicon-ulm.de/wp-content/uploads/2020/07/heicon-logo-5.png HEICON Global Engineering GmbH2015-09-13 16:42:492021-02-05 21:44:17Reuse Scenarios in ISO 26262 (part 2)

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  • A_Requirement Engineering
  • B_Validation and Verification
  • C_Config- / Change Management
  • D_Security
  • FuSa__General
  • FuSa_Aerospace
  • FuSa_Agriculture
  • FuSa_Automotive
  • FuSa_Industrial
  • FuSa_Railway

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