Independent Verification

1
Independent Verification Validation of Engine
Control System

• Dr. Karunakar
• Sc. G, GD (IVV) ADA
• Vaman Kulkarni
• Sc. F, GTRE

2
SOFTWARE CLASSIFICATION

• Classification based on criticality
• Safety critical software system
• Mission critical software systems

3
SOFTWARE CLASSIFICATION

• Classification based on criticality
• Following systems are considered as Safety
  Critical Systems
• in LCA TD1.
• 1. Digital Flight Control Computer (DFCC)
• Criticality category - A1
• 2. Starter Electronic Control Unit (SECU)
• for JET Fuel Starter
• Criticality category - A1
• 3. Digital Engine Control System(DECU or KADECU)
• Criticality category - A1

4
SOFTWARE CLASSIFICATION

• 4. Digital Hydraulic Monitoring Electronic
  Unit (DH-EU)
• Criticality category - A2
• 5. Engine Electrical Monitoring Unit (EEMS-EU)
• Criticality category - A2
• Criticality category A1
• Failure of the particular system will  endanger
  the flight safety of the
   aircraft  and the pilot.
• Criticality category A2  
•  Failure of the system will lead to catastrophe
  and  may   endanger the  safety of  aircraft and
  pilot.

5
SOFTWARE CLASSIFICATION

• Following systems are considered as Mission
  Critical Systems in LCA.
• Mission Critical Systems
• Mission Computer (MC)
• Control and Coding Unit (CCU)
• Display Processor (DP)
• Get_U_Home Panel (GUH)
• etc