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All Journal Mechatronics, Electrical Power, and Vehicular Technology
Vikita Windarwati
Mechatronics Department, Faculty of Engineering - Yogyakarta State University, Colombo Street No.1, Yogyakarta, 55281
Electrical & Electronics Engineering

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Control of Pan-tilt Mechanism Angle using Position Matrix Method Saputra, Hendri Maja; Santoso, Arif; Mirdanies, Midriem; Windarwati, Vikita; Nayanti, Riastus; Maulana, Lukni
Journal of Mechatronics, Electrical Power and Vehicular Technology Vol 4, No 2 (2013)
Publisher : Research Centre for Electrical Power and Mechatronics, Indonesian Istitutes of Sciences

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (395.278 KB) | DOI: 10.14203/j.mev.2013.v4.109-116

Abstract

Control of a Pan-Tilt Mechanism (PTM) angle for the bomb disposal robot Morolipi-V2 using inertial sensor measurement unit, x-IMU, has been done. The PTM has to be able to be actively controlled both manually and automatically in order to correct the orientation of the moving Morolipi-V2 platform. The x-IMU detects the platform orientation and sends the result in order to automatically control the PTM. The orientation is calculated using the quaternion combined with Madwick and Mahony filter methods. The orientation data that consists of angles of roll (α), pitch (β), and yaw (γ) from the x-IMU are then being sent to the camera for controlling the PTM motion (pan & tilt angles) after calculating the reverse angle using position matrix method. Experiment results using Madwick and Mahony methods show that the x-IMU can be used to find the robot platform orientation. Acceleration data from accelerometer and flux from magnetometer produce noise with standard deviation of 0.015 g and 0.006 G, respectively. Maximum absolute errors caused by Madgwick and Mahony method with respect to Xaxis are 48.45º and 33.91º, respectively. The x-IMU implementation as inertia sensor to control the Pan-Tilt Mechanism shows a good result, which the probability of pan angle tends to be the same with yaw and tilt angle equal to the pitch angle, except a very small angle shift due to the influence of roll angle..
Co-Authors Arif Santoso Hendri Maja Saputra Lukni Maulana Midriem Mirdanies Riastus Nayanti