3. Overview of Oak Systems
Specialist Software V&V Services company
Established in 1998
ISO 9001 certified since 2003
Over 100 Software specialists
Multiple domain expertise
Headquartered in Bengaluru; Projects across
several countries
3
4. Our Portfolio 4
Domains
Aerospace &
Defence
Automotive
Embedded
Healthcare
Rail & Space
Services
Software
Verification &
Validation
Test Rig
Development
Software Testing &
Test Automation
Full lifecycle
Documentation
Support
Standards
DO-178B/C
ISO 26262
IEEE 12207
IEC 61508..
5. How People Absorb Tech 5
You must do the thing you think you cannot do
6. Embedded Systems – A few domains 6
Automotive, Mobility
Avionics, Aerospace, Military
Industrial Automation, Plant
Control
Medical Electronics
Test, Measuring, Lab
Instrumentation
Office Systems
Home, Building Automation
Banking/ATMs
Media, Entertainment
Telecom
White goods / Home appliances
………
Just look around
7. Embedded Systems – It’s Serious Business… 7
Automotive, Mobility
Avionics, Aerospace,
Military
Industrial Automation, Plant
Control
Medical Electronics
Test, Measuring, Lab
Instrumentation
Office
Home, Building Automation
Banking/ATMs
Media, Entertainment
Telecom
12. 12What do we need to check???
Test for Requirements, functionality is obvious..
Sensors and Actuators
Electronics – other
Electronics – Controller
The Software
13. 13Do we know what we are expecting???
Does the design ensure the correct initialization and
further processing of the system following restoration
after a fault?
Is it ensured that failures of dynamic system activities
result in the system achieving a known and clearly
identified safe state within a specified time limit.
14. 14Few things to be taken care
Scheduler
Loop over-runs
Diagnostics for…
Sensors, Actuators
Processor / Controller
Dual/Multi-core, Illegal Opcode, Unused Mem
Does ‘ADD’ really add?
Software / Algorithm
Diverse or redundant
Sentinels
15. 15Few things to be taken care
Error Handling and/or Recovery
Response – Controlled or Rapid
Forward/Backward Recovery
The all important entity – Data
Timings, including for communication
Interrupts
HAZOP, Risk and FMEA are as much an input for the VnV
group