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| Enhancing the Performance of Microsatellite Yaw-axis Attitude Control System Using PID Tuned Compensator
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Amabikutol Emmanuel Jonathan and Amasa Ukwuoma Emmanuel
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Abstract:
The essence of efficient control unit for satellite attitude control (SAC) is that it makes sure that both quality and reliable data acquisition are achieved. This paper designs a proportional integral and derivative (PID) tuned compensator (PID-TC) for microsatellite yaw-axis attitude control system (ACS). The objective is to meet the performance specification of a microsatellite with respect to its yaw-axis attitude (or angle) dynamics using a suitable control unit. The dynamic of the microsatellite yaw-axis ACS was established. A PID-TC was designed using MATLAB control system designer tool. The MATLAB/Simulink simulation of the designed control system indicated that the performance of the system was largely enhanced and the stated design specifications were met having achieved settling time of 0.54 s, maximum overshoot of 2.48% and steady state error of 0. Comparison with previous PID and PD based control systems revealed that the PID-TC offered the best performance. With this performance, the proposed control system has largely enhanced the microsatellite yaw-axis ACS performance.
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