Embedded Systems Conference
Breaking News
Newest First | Oldest First | Threaded View
<<   <   Page 5 / 5
User Rank
software for self-driving
cd2012   10/31/2013 7:45:46 AM
On a tangent, seeing how difficult it is to write flawless software for a ECU, is there any hope of writing good software for a self-driving car, which is an immensely more difficult problem?


vasanth kumar d
User Rank
Re: Is all hope lost?
vasanth kumar d   10/31/2013 1:26:12 AM
Is all hope lost?


Infact, the right question must be "Do we really need to hope anything?".

Because, even if we could write a perfect firmware that has zero bugs and failures that results in a perfect car, it ceases to be perfect until some other driver lost control of his vehicle and hits us. If so, the best answer, according to me, is to not hope perfection. The only thing we could do is to try writing better firmware that would result in better systems than that was previously.

rick merritt
User Rank
Re: Is all hope lost?
rick merritt   10/31/2013 12:25:23 AM
@Larry: Agreed

User Rank
Re: Is all hope lost?
LarryM99   10/30/2013 8:12:10 PM
It is possible to reduce errors to effectively zero, but it is very hard. Complex will always be less reliable than simple, unless that complexity is focused on reliability (for example, overlapped and crosschecked operation of independent systems). The system (hardware and software) has to be independently verified, since developers have blind spots around their own work. The real issue is that it can't be rushed. Making reliability trump schedule would avoid many problems of this type, but especially recently that is a hard case for engineers to make to management.

Frank Eory
User Rank
Is all hope lost?
Frank Eory   10/30/2013 6:48:34 PM
So to summarize, he seems to be saying:

1. Complex software always has bugs, even latent ones that might rarely if ever show up.

2. No matter how imaginative the team is, they will never be able to think of all those bugs. Some bugs and their consequences will simply never occur to the team members.

3. Safety critical systems should follow standards, but even if they do, random events can still activate latent software bugs and take out the fail safe systems designed to protect against those latent bugs.

Is all hope lost?

<<   <   Page 5 / 5

NASA's Orion Flight Software Production Systems Manager Darrel G. Raines joins Planet Analog Editor Steve Taranovich and Embedded.com Editor Max Maxfield to talk about embedded flight software used on the Mars on EE Times Radio. Live radio show and live chat. Get your questions ready.
Top Comments of the Week
Like Us on Facebook

Datasheets.com Parts Search

185 million searchable parts
(please enter a part number or hit search to begin)
Special Video Section
The LTC®4015 is a complete synchronous buck controller/ ...
The LTC®2983 measures a wide variety of temperature sensors ...
The LTC®3886 is a dual PolyPhase DC/DC synchronous ...
The LT®3042 is a high performance low dropout linear ...
Chwan-Jye Foo (C.J Foo), product marketing manager for ...
The LT®3752/LT3752-1 are current mode PWM controllers ...
LED lighting is an important feature in today’s and future ...
Active balancing of series connected battery stacks exists ...
After a four-year absence, Infineon returns to Mobile World ...
A laptop’s 65-watt adapter can be made 6 times smaller and ...
An industry network should have device and data security at ...
The LTC2975 is a four-channel PMBus Power System Manager ...
In this video, a new high speed CMOS output comparator ...
The LT8640 is a 42V, 5A synchronous step-down regulator ...
The LTC2000 high-speed DAC has low noise and excellent ...
How do you protect the load and ensure output continues to ...
General-purpose DACs have applications in instrumentation, ...
Linear Technology demonstrates its latest measurement ...
Demos from Maxim Integrated at Electronica 2014 show ...
Bosch CEO Stefan Finkbeiner shows off latest combo and ...