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GPS-Based Attitude and Guidance Displays for General Aviation
GPS-Based Attitude Guidance Displays General Aviation
2015/6/29
GPS was used with a short baseline (1 and 2 wavelengths) triple antenna configuration t o obtain attitude in conjunction with solid state rate gyros. The system was used to provide an inexpensive Atti...
Inertially Aided GPS Based Attitude Heading Reference System (AHRS) for General Aviation Aircraft
GPS Attitude Heading Reference System (AHRS) General Aviation Aircraft
2015/6/29
GPS was used with ultra-short baselines (2-3 carrier wavelengths) in a triple antenna configuration to obtain attitude for General Aviation (GA) aircraft.Through algorithm selection and error source c...
Real Time Calibration of Antenna Phase Errors for Ultra Short Baseline Attitude Systems
Real Time Calibration Antenna Phase Errors Ultra Short Baseline Attitude Systems
2015/6/29
Ultra short baseline attitude systems with base lines under 0.5 meters are desirable for any application which requires a high level of integrity. The higher level of integrity is a direct result of t...
GPS was used with ultra-short baselines (2-3 carrier wavelengths) in a triple antenna configuration to obtain aircraft atti tude in real time. Through algorithm selection and error source calibration,...
A Low-Cost GPS/Inertial Attitude Heading Reference System (AHRS) for General Aviation Applications
Low-Cost GPS/Inertial Attitude Heading Reference System (AHRS) General Aviation Applications
2015/6/29
An inexpensive Attitude Heading Reference System (AHRS) for General Aviation applications is developed by fusing low cost ($20 - $1000) automotive grade inertial sensors with GPS. The inertial sensor ...
A Gyro-Free Quaternion-Based Attitude Determination System Suitable for Implementation Using Low Cost Sensors
Gyro-Free Quaternion-Based Attitude Determination System Low Cost Sensors
2015/6/29
The time varying Kalman Filter implementation of this algorithm is exercised on simulated and real data collected from an inexpensive triad of accelerometers and magnetometers.
An Inexpensive and Robust GPS/INS Attitude System for Automobiles
Inexpensive Robust GPS/INS Attitude System Automobiles
2015/6/26
Many of the sophisticated control systems of modern automobiles require measurements of the vehicle’s attitude. Commercial GPS attitude systems are the method of choice for measuring attitude in many ...
GPS Attitude Determination for a JPALS Testbed:Integer Initialization and Testing
GPS Attitude Determination JPALS Testbed
2015/6/26
An attitude-based search algorithm was implemented for initial ambiguity resolution and integer determination, and then tested on a three-element equilateral array with baselines of 0.5m. Running the ...
Comparing Multicarrier Ambiguity Resolution Methods for Geometry-Based GPS and Galileo Relative Positioning and Their Application to Low Earth Orbiting Satellite Attitude Determination
Multicarrier Ambiguity Resolution Methods Geometry-Based GPS Galileo Relative Positioning Low Earth Orbiting Satellite Attitude Determination
2009/9/3
This paper presents an evaluation of several GNSS multicarrier ambiguity (MCAR) resolution techniques for the purpose of attitude determination of low earth orbiting satellites (LEOs). It is based on ...
Design and Hardware Verification of Canard Based Sounding Rocket Attitude Controller Using Adaptive Filter
Rockets Attitude Control Canard
2009/8/19
Canard based controller using an adaptive notch filter is proposed to control the attitude of launch vehicles including the ISAS's sounding rocket `S-520'. As the characteristics of launch vehicles ar...