Accuracy Test of an Open-Loop Control System for Arduino-Based Robotic Arms with a PLA+ 3D-Printed Body for Repetitive Tasks

Abstract:

This study presents the design and accuracy testing of an open-loop control system for an Arduino-based robotic arm, featuring a 3D-printed body made from PLA+ material. The robotic arm is engineered to perform repetitive tasks, which demand high precision and reliability. The use of PLA+ offers a lightweight yet durable structure, essential for maintaining the integrity of the robotic arm during extended operations. The open-loop control system, while simpler and more cost-effective than closed-loop alternatives, poses challenges in terms of accuracy due to the lack of feedback mechanisms. A comprehensive accuracy test was conducted to evaluate the performance of the robotic arm in executing predefined repetitive tasks. The results demonstrate the robotic arm's ability to achieve a high degree of precision under specific conditions, making it a viable solution for repetitive industrial tasks where cost-efficiency and ease of implementation are prioritized. However, the absence of real-time feedback in the open-loop system limits its adaptability in dynamic environments or tasks that require continuous adjustments. Future work could explore integrating feedback mechanisms to enhance the system's accuracy and adaptability, expanding its application potential. This research contributes to the growing field of low-cost, 3D-printed robotic systems, highlighting the potential of open-loop control in applications that do not require real-time feedback.

• Periodical: Engineering Headway (Volume 18)
• Pages: 53-61
• DOI: https://doi.org/10.4028/p-nHCIx2
• Online since: February 2025
• Authors: Engelbert Harsandi Erik Suryadarma*, Pringgo Widyo Laksono, Ilham Priadythama, Lobes Sudirman
• Keywords: 3D Printing, Accuration Test, Arduino, Arm Robot, Automation

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