421: Paint the Iceberg Yellow
Embedded21 Heinä 2022

421: Paint the Iceberg Yellow

Chris Hobbs talks with Elecia about safety critical systems. Safety-critical systems keep humans alive. Writing software for these embedded systems carries a heavy responsibility. Engineers need to understand how to make code fail safely and how to reduce risks through good design and careful development.

The book discussed was Embedded Software Development for Safety-Critical Systems by Chris Hobbs.

This discussion was originally for Classpert (where Elecia is teaching her Making Embedded Systems course) and the video is on Classpert's YouTube if you want to see faces.

There were many terms with letters and numbers, here is a guide:

  • IEC 61508: Functional Safety of Electrical/Electronic/Programmable Electronic Safety-related Systems; relates to industrial systems and forms the foundation for many other standards

  • ISO 26262: Road vehicles - Functional Safety; extends and specializes IEC 61508 for systems within cards

  • IEC 62304 specifies life cycle requirements for the development of medical software and software within medical devices. It has been adopted as national standards and therefore can be used as a benchmark to comply with regulatory requirements.

  • MISRA C: a set of software development guidelines for the C programming language

  • DO178-C and DO178-B: Software Considerations in Airborne Systems and Equipment Certification are the primary documents by which the certification authorities such as FAA, EASA and Transport Canada approve all commercial software-based aerospace systems

  • ISO/IEC 29119: Software and systems engineering -- Software testing

  • ISO 14971:2019 Medical devices — Application of risk management to medical devices

  • IEC 62304:2006 Medical device software — Software life cycle processes

Transcript

Jaksot(571)

27: You Are Blowing My Mind

27: You Are Blowing My Mind

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13 Marras 20130s

26: The Tofu Problem

26: The Tofu Problem

In this in-depth technical discussion, Dr. Ken Lunde helps Elecia understand how to internationalize her (memory constrained) device. CJVK Information Processing, Ken's excellent O'Reilly book on inte...

7 Marras 20131h

25: Thunderdome for Antennas

25: Thunderdome for Antennas

Jen Costillo surfaced briefly from her startup-induced blackout to share her wisdom about manufacturing consumer products. They discussed new product development and working from (and making modificat...

30 Loka 201351min

24: I'm a Total Fraud

24: I'm a Total Fraud

Listener Jim Gf posed an interesting question about how to tell if you are a good embedded software engineer. Producer Christopher White joins Elecia to fail to give an answer. While they mention the ...

23 Loka 201353min

23: Go For Everything I Want

23: Go For Everything I Want

Jeri Ellsworth joins Elecia to talk about about co-founding Technical Illusions and their virtual and augmented reality product CastAR. Jeri gives an in-depth introduction to virtual reality, augmente...

16 Loka 20131h 7min

22: Mincraft Is the New Apple II

22: Mincraft Is the New Apple II

Jordan Hart from Digital Media Academy joined Elecia to discuss ways to make science, technology, and engineering fun for kids through Minecraft, Arduino robotics, and music.   DMA video: Robotics and...

9 Loka 201349min

21: The Tent Is Flat and Everyone Is Wet

21: The Tent Is Flat and Everyone Is Wet

Rob Mitchell and Elecia discuss management, what they like about project schedules, and lessons learned on the path from engineer to manager.

2 Loka 201343min

20: Soldered Together By Monkeys

20: Soldered Together By Monkeys

Phil King of Weekend Engineering returned to give Elecia advice on how to fabricate a board, both in a professional capacity and for garage projects.  EaglePCB is a commercial package which is also av...

26 Syys 20131h 13min

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