ADCS Flight Operating Software

Modules Used

• numpy
• pyIGRF
• math
• sgp4

Features

Eclipse Check

• Link
• Status: code completed, need constant threshold values from sun sensors before hardware testing

Sun Sensor Processing

• Link
• Status: in progress with sun sensor calibration; will need to be reformatted for flight

Magnetometer Processing

• Link
• Status: code completed, need hardware testing to finalize low-pass filter parameters. Also need to calculate rotation matrix from sensor frame to body frame

IMU Processing

• Link
• Status: code completed, need hardware testing to finalize low-pass filter parameters. Also need to calculate rotation matrix from sensor frame to body frame

Orbit Propagator (SGP4)

• Link
• Status: code completed, need to verify with alternative SGP4 package (i.e. MATLAB or Java)

Sun Model

• Link
• Status: code completed and tested against a few MATLAB cases, but could use further testing

Magnetic Field Model (IGRF)

• Link
• Status: completed and verified!

Attitude Determination (TRIAD)

• Link
• Example Usage
• Status: completed and verified!

BDot Controller for Detumbling

• Link
• Status: code completed, waiting on hardware testing

Attitude Target Calculation

• Link
• Example Usage
• Status: completed and verified!

Reaction Wheel Controller

• Link
• Status: n/a, need to check

Wheel Speed Controller

• Link
• Status: need hardware testing for tuning, then restructuring code for flight