Real time sensor fusion for micro aerial vehicles using low cost systems

Ailneni, S and Kashyap, SK and Kumar, NS (2016) Real time sensor fusion for micro aerial vehicles using low cost systems. In: 2016 Indian Control Conference, ICC 2016 - Proceedings, 4-6 January 2016, Hyderabad, India.

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Abstract

Novel sensor fusion architecture is proposed to provide complete navigational solution for micro aerial vehicles (MAV) using low cost sensors and micro controller. The approach uses a nonlinear complementary filter (NCF) to estimate direction cosine matrix (DCM), the estimated attitude and heading from DCM are used in turn to predict MAV position in North and East direction and a two state extended Kalman filter (EKF) based estimator to estimate altitude and vertical speed. The emphasis is on the EKF estimator which is driven by only one measurement without losing observability. The fusion algorithm uses tri-axial accelerometers, rate gyroscopes & magnetometers, pressure altitude and global positioning system (GPS) measurements. The proposed architecture is computationally less intensive and is implemented for real time application on a low cost microcontroller based autopilot board to provide the complete navigational solution at 50 Hz.

Item Type: Conference or Workshop Item (Paper)
Subjects: ENGINEERING > Electronics and Electrical Engineering
ENGINEERING > Mechanical Engineering
Depositing User: Mrs SK Pratibha
Date Deposited: 25 Jul 2019 11:29
Last Modified: 25 Jul 2019 11:29
URI: http://nal-ir.nal.res.in/id/eprint/12963

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