Browsing by Author "Amorim, Johann S.J.C.C."
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- Control tunning approach and digital filter application for competitive line follower robotPublication . Amorim, Johann S.J.C.C.; Fernandes, Jefferson H.O.; Canella, André L.C.; Santos, Tatiana M.B.; Lima, José; Pinto, Milena F.This research describes the development of a control strategy to optimize a competitive line follower robot for standard races. The innovative approach stems from the WolfBotz team at CEFET/RJ, presenting a thorough exploration of mathematical foundations, hardware design, control analysis, and how to implement this system in a microcontroller. This research complements a previous work that shows all the regulations used in Brazilian competitions and describes the controllers used in the system, such as angular and linear control. This research emphasizes all the changes between the two versions of Line Follower robots. The emphasis on mathematical foundations and integrating digital signal processing techniques like digital filters set the stage for robust sensor data interpretation. The tuning and optimization of dual controllers for track stability and linear velocity regulation represent a significant innovation, augmenting the robot’s overall performance.
- The impact of educational robots as learning tools in specific technical classes in undergraduate educationPublication . Santos, Tatiana M.B.; Amorim, Johann S.J.C.C.; Carneiro, Mirella M. de O.; Campos, Victor F.; Manhães, Aline; Lima, José; Pinto, Milena F.The use of mobile robots in the classroom has gained increasing attention in recent years due to their potential to enhance student engagement and facilitate personalized learning. This research presents the insertion of mobile robots as a hands-on learning experience in Control and Servomechanisms II and Signal Processing II classes. This work also addresses the challenges and limitations of using mobile robots in the classroom, including technical difficulties. The students were evaluated during the code implementation in the practical exercises. Besides, a form was provided to them in order to assess the impact of these robots as part of the pedagogical practice. From the students’ positive feedback, it was possible to conclude that the mobile robots were well-accepted. Besides, the robots enhanced Control Systems classes and improved students’ learning outcomes.