Journal of Information Organization Emil Iontchev, Rosen Miletiev, Petar Kapanakov and Lachezar Hristov 13 2 2023 https://doi.org/10.6025/jio/2023/13/2/43- 52 https://www.dline.info/jio/fulltext/v13n2/jiov13n2_2.pdf Kalman Filter Extension is used to fix the object position in the space for which we added sensor data and developed proper algorithms. The two filters, Non-linear Kalman and Linear are employed to study. To fix the magnetometer data, the external magnetic disturbances rejection is studied for which algorithms are used. For accelerometer data, a lowpass filter is used. Both stationary and dynamic platforms are considered to measure the rotation angles of the car seats.