Smart Actuator Systems for Precision Robotic Applications

  • Authors

    • Dr. Meena Krishnan Assistant Professor, Anna University, India Author

    DOI:

    https://doi.org/10.67228/30715725/IJIARE-2019PII4P6C

    Published 11-05-2019

  • Smart Actuators, Precision Robotics, Piezoelectric Actuators, Shape Memory Alloys, Electroactive Polymers, Adaptive Control, MEMS, Robotics Automation

    Issue

    Vol. 2 No. 2 (2019)

    Section

    Articles

  • Abstract

    Smart actuator systems are vital to precision robotics, enabling enhanced control, adaptability, and performance in complex environments. Prior to 2018, major advancements in actuator technologies—such as piezoelectric, shape memory alloy (SMA), electroactive polymers (EAP), and magnetostrictive actuators—allowed integration of sensing, actuation, and control within a single system for real-time, precise motion. Driven by applications in aerospace, medical robotics, manufacturing, and MEMS, research has focused on actuator principles, material properties, control strategies, and system integration. Key challenges identified include nonlinearity, hysteresis, thermal effects, and energy efficiency. Control methods like PID, adaptive, and model-based approaches have been explored to improve performance. This work outlines a systematic design methodology involving material selection, modeling, sensor integration, and feedback control. Performance is evaluated based on accuracy, response time, force, and efficiency, with comparative analysis highlighting strengths and limitations of different actuator types. Results indicate that smart actuators significantly enhance robotic precision and stability when combined with advanced control systems. Future research directions include hybrid actuators, improved materials, and advanced control algorithms.

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