Welcome, 
CERTON’s Experience
Click on the projects below to see how CERTON played a role in the certification process of each aircraft.
Boeing 747-800 Lateral Control Electronics
| PSAC | |
| System Overview | The Lateral Control Electronics is a subsystem of the 747-8 Lateral Control System that controls the flight surfaces to provide roll command and control for two outboard aileron actuators, roll and speedbrake command and control for 6 spoilers (3 symmetric spoiler pairs), trailing edge flap skew detection, excitation, and demodulation of system sensors, system input/output redundancy management, digital interfaces to/from other aircraft systems, and safety maintenance monitoring. |
| Safety Assessment & DAL | DO-178B Level A |
| Stages of Involvement | SOI #3 (Verification) and SOI #4 (Certification) |
| DER | FAA Consultant DER |
| Configuration Management | IBM Rational ClearCase |
| Problem Reporting | IBM Rational ClearQuest |
| Requirements Management | Telelogic DOORS and Microsoft Word in ClearCase |
| System Processor | TI 6713, MPC5554, AMC4440 |
| Architecture | Triple Redundant Dissimilar Circuit Cards with Hardware Voter |
| I/O | ARINC 429, Analog, Discrete, LVDT, Proprietary Serial Interface (CCDL) |
| Monitoring & Maintenance | PBIT, CBIT, IBIT |
| Development Tool Qualification | NONE — All tool outputs are reviewed and/or verified |
| Verification Tool Qualification | MathWorks Simulink — Expected Results Generation IBM Test RealTime — Structural Coverage and Low Level RBT CERTALIGN™BENCH::RIG (CTB and LRU) — Test Execution and Pass/Fail |
| SDP | |
| High Level Requirements | Manually generated models, text, tables,and figures |
| Low Level Requirements | Manually generated models, text, tables,and figures |
| Source Code | C and Assembly |
| SVP | |
| High Level Test Case/Procedures | CERTALIGN™::certVCP (Develop) CERTON Engineer (Review) |
| Low Level Test Case/Procedures | CERTALIGN™::certVCP (Develop) CERTON Engineer (Review) |
| Test Environment | Fully Automated — CertBENCH::RIG (CTB and LRU) |
| Structural Coverage | Statement, Function Entry/Exit, Calls, Decisions, Modified Conditions/Decision Coverage (MC/DC) |
