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The engineering of real‐time embedded systems: Why software needs to be developed using rigorous engineering-based methods?
Published on Jul 15, 20143172 Views
The microprocessor arrived circa 1970 and initially, was a very expensive device. However, by the end of that decade its cost had fallen dramatically, thanks mainly to improvements in design and fabri
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Chapter list
Why software needs to be developed using rigorous engineering-based methods00:00
Do we really have a problem?00:16
Bad day at the office!00:41
Overambition again - still pain to come01:59
Complete failure03:05
A double-whammy - car and house damaged!05:01
The worst consequences of not doing things right05:18
And we didn’t learn from the Therac 25 incident07:14
Even more medical issues08:09
Causes of our software problems09:42
Types of software errors10:17
System design issues10:51
Environmental factors12:00
Errors in the design process12:33
A problem of syntax12:41
Syntax issues12:55
Semantic issues15:02
A problem of semantics16:08
Logic errors - what and when17:03
Algorithmic errors18:24
Poor software - the reasons20:19
How can we produce dependable software?21:57
Qualities of dependable software22:09
Software suffers from the ‘fashion’ syndrome24:12
The PRAGMA RTES software development method25:27
The software ‘Guru’ at work30:38
Developing products - from problem to solution31:41
A general RTES development process - from problem to solution33:59
The basics of the PRAGMA real-time development process35:34
The extent of the PRAGMA process - software development only38:25
The analysis phases of the PRAGMA process - major steps38:48
The design phase of the PRAGMA process - major steps42:37
PRAGMA - the implementation model50:34
Getting to the implementation model - THE crucial design step55:04
Introducing the specification model57:43
Mapping objects to tasks - basics58:38
Example mapping - active and passive objects01:03:48
Overview of the software development process for multi-computer systems01:06:10
Mapping objects to processors01:07:04
Recap - design phase of the PRAGMA process01:08:22
Conclusion of the presentation01:08:50