Land Vehicle Navigation System Based on Low Cost Inertial Sensor
Keywords:
Inertial Navigation , Accelerometer, Gyroscope, zero velocity update (ZUPT), Micro-electromechanical systems (MEMS)Abstract
Our goal was to implement and construct a simple land vehicle Inertial Navigation System (LVNS) using micro-electromechanical systems (MEMS) sensors. An inertial navigation (INS) system was designed using state of the commercial inertial sensors on a low cost budget. The system uses a 3 axis accelerometer, 3 axis gyros to detect the orientation, velocity and position which is calculated and displayed by the system for the user to view. This paper was performed on the assumption that this system would be used underground, inside a building, whereas global positioning data (GPS) cannot be received and so efficient inertial movement tracking is the only plausible method for the system to track current velocity and position. Without using any external device or sensor as aided system, where used (INS) in conjunction with zero velocity update (ZUPT) method to fulfill the demands of system. This paper evaluates the positioning capability of INS/ZUPT integrated systems utilizing low cost (IMU) for INS
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