1. Simulation and Research Services Division Patuxent River, Maryland Roger Burton Program Manager 301-866-6715 roger.a.burton@saic.com MEETING No. 99 AEROSPACE CONTROL AND GUIDANCE SYSTEMS COMMITTEE Millennium Harvest House Boulder, CO. Feb 28 – Mar 2, 2007

2. History Supporting the Navy at Patuxent River since 1970’s as Systems Control Technology- Acquired by SAIC in 1994 Local Office opened in 1983 Air Vehicle Support (AVS) Contract (AFTTECH) since 1983. –We are the aero & controls SMEs for Pax

3. Technical Capabilities Flight Simulator Development and Acceptance Simulation/Stimulation technology –Real-time and physics based modeling –Hardware and software Flight Test Support –Planning –Execution –Analysis-Specializing in Systems Identification Modern Controls/Optimization –UAV Control Systems –Control analysis –IV&V –Specification Compliance –Handling qualities

4. V-22 High Fidelity Simulator M2DART Platform Roll In/ Roll Out Capability 6 Degree Of Freedom Motion Platform

5. Present/Past Projects at NAWCAD Simulation Support (F-18, V-22, S-3, C-130, AH-1W) Blade Element Modeling (AH-1W, CH-53, UH-1N, CH-47F, SH-60R/S ) Trainer Model Development (AH-1W, F-14A/B, CH-53E, UH-1N, C- 130H2/T, CH-47F, SH-60R) Flight Control Hardware Support (SAFCS, S-3, V-22, F-18, EA-6B) UAV Support (SAIC Fixed and R/W a/c, Hunter and Pioneer) Handling Qualities Expert System Development Flight Control IV&V Systems Identification Simulation Mechanical Design Flight Test Support

6. Special Instrumentation Systems SIMES 1000 Hz Operation High Performance Data Acquisition H/W Anti-aliasing Analog Digital and Video Processing Provided as product or a service to our customers SIMES is an instrumentation system specifically designed to measure simulator cueing systems and their fidelity. Measures bandwidth, transient performance, and time delays as well as compares predicted results to actual results for fidelity analysis. Motion system, cockpit controls and visual system

7. Special Purpose Analysis Systems IDEAS IDEAS - Integrated Data Evaluation and Analysis System –A “High-End” Data Analysis and Simulation Tool –Expert System IDEAS Integrated Data Evaluation and Analysis System Data Archiving Wild-Point Editing Kinematic Consistency Analysis Data Processing and Reconstruction Equation Error, Output Error, and Filter Error System Identification Statistical and Math Routines User Developed Routines Data Display and Plot Utilities On-line Help Utilities Flight Test Data Intuitive X-Window Motif User Interface Electronic Archive C lp  Math Model Improvement Interface to MATLAB, CIFER and other analysis tools

8. IDEAS - System Identification and Model Fidelity y - y s Estimates of System Parameters Iterative Process y ysys System Identification Procedure

9. Current UAV Flight Test Program Ground Tests –Engine / Prop Gov Dynamics –TO / Landing Flying Qualities ITB –Doublets –Freq Sweeps –Pitch Captures –Wheel / Pedal Bank to Bank –Static Stability High AOA –Stalls –WUTs Hinge Moment ITB –Doublets Airborne Engine Tests –Power Lever Bodes –Level Flight Accel- Decel

10. Current Data Processing

11. Example Frequency Sweep Elevator Deflection

12. Current Data Processing

13. Our Specialty-Simulation Model Fidelity Systems Identification Parameter Identification Flight Test 0 5 10 15 20 25 30 35 40 45 50 55 0.1 0.0 -0.1 -0.2 -0.3 -0.4 -0.5 -0.6 angle-of-attack (deg) C l p (per rad) Prev.PIDFlight Analyze the Flight Data Update the Simulation Model Data Acquisition Simulate the Flight Test A Continuous Integrated Process IDEAS SIMES

14. FCS Design and Development Cycle Flight Test GCS Data Acquisition Data archiving, analysis, reduction Systems Identification Equivalen t system models High-Fidelity Non-linear Model Control Law Development Non-linear Control Law Implementation Regression testing & Acceptance SWIL HWIL Upgraded Control System MATLAB/Simulink, Conduit, etc. IDEAS/CIFER

15. Flight Control Algorithms Common architecture across all platforms Layered control concept

16. Summary Heavy Simulation and Stimulation Support of NAWCAD, specializing in: –Physics based simulation modeling –Control system design and analysis –Flight test support Training simulator model development specialists –make the sim. fly like the a/c Systems developer for specialized simulation systems –SIMES -simulation instrumentation & testing –IDEAS – flight test and simulation analysis UAV Control Systems Development