Professor of School of Engineering, Design and Built Environment, Western Sydney University, Australia. His research interests cover Industry 4.0, Additive Manufacturing, Advanced Engineering Materials and Structures (Metals and Composites), Multi-scale Modelling of Materials and Structures, Metal Forming and Metal Surface Treatment.
Abstract—Most of the attitude estimation systems are built from inertial measurement units (IMUs). Micro-electro-mechanical system-based (MEMS) IMUs are low-cost but large errors. MEMS-based angle estimator often uses a tri-axis magnetometer to determine the yaw angle (heading angle) that the estimation accuracy is significantly influenced by the stability of the environment’s magnetic field. This paper introduces a new method to estimate the heading angle using Global Positioning System (GPS) with dual-antenna. The proposed estimation algorithm is independent of the magnetic field and has high accuracy in the heading angle. Through experiments, we also show that the heading accuracy depends on the quality of the GPS receivers and the antennas.
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