11

Sarah Thomas, Curtis Cutright, Michael S. Braasch

Avionics Engineering CenterOhio University, Athens

Project Sponsor: NASA/FAA Joint University ProgramProject Sponsor: NASA/FAA Joint University Program

For the Quarterly Review of the NASA/FAA Joint University Program for Air Transportation Research

Friday, October 24th 2003

22

OverviewOverview

• Delfin L-29• Recent Testing• Projected Modifications to Current System

33

L-29 DelfinL-29 Delfin

Capabilities:

• High Altitude 11 Km• High Speed 354 knots• Fully Aerobatic

Flight Specs Taken From http://aeroweb.brooklyn.cuny.edu/specs/aero/l-29.htm

44

Flight ConductedFlight Conducted

• September 24, 2003Record of the L-29 while Operating within its Dynamic EnvelopeGPS Data Collected Illustrate Capabilities of the Aircraft and Data Collection Equipment

55

Flight PathFlight Path

66

Flight PathFlight Path

• Maneuvers:• Aileron Rolls• Modified Hammerhead Stalls• Minimum Radius Turns• Inverted Flight

77

AltitudeAltitude

88

Position Solution AgePosition Solution Age

99

Number of SVsNumber of SVs

1010

GroundspeedGroundspeed

1111

Vertical SpeedVertical Speed

1212

Project DevelopmentProject Development

• Goal to have both High Rate Collection of INS and GPS

Increase Data Throughput

Addition of PC

Binary Format

Placement of HG-1700 IMU

1313

Established EquipmentEstablished Equipment

• Additional PC with QNX 4.35, QNX 6.0, and Windows

To be Installed in DelfinThree Operating Systems for Easy Data Collection

1414

Modification of SystemModification of System

• Modify Software to Incorporate Additional Computer• Tentatively IMU Installed

1515

Current Schematic

PC104

GPS

ADC INS

data

data

data

12 VDC

Aircraft Power28 VDC

INV

115VAC/ 400Hz

Potentiometer

data

PowerData

1616

PC104

GPS

ADC

INS

data

datadata

12 VDC

Aircraft Power

28 VDC

115VAC/ 400Hz

Potentiometer

data

PowerData

PC #2 IMUINV

Projected Set-up

1717