In this paper, a simple and low-cost three-axis gimbal simulator is introduced. This simulator has been constructed in Amirkabir University of Technology and is used for implementation of attitude control algorithms of remote-sensing satellites in a real time condition using three reaction wheels as hardware in the loop test-bed. This simulator is modeled in Solidworks software package to determine its mass properties in order to utilize in obtaining the dynamic model of the simulator. Afterward, an attitude control algorithm is designed. Performance of the designed attitude control algorithm is investigated by implementing it on the simulator.
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