Wireless Servomotor Control For Lathes

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This project presents the development of a compact, wireless control system for an automated feed mechanism driven by a servomotor. The work was carried out as part of a bachelor’s thesis in mechatronics engineering at Chalmers University of Technology. The goal was to design a self-contained unit capable of precise motion control and reliable wireless communication, while meeting requirements like portability, runtime, and safety. The final system integrates a Simplex Motion SE010 servomotor and an ESP32-based T-Display S3 microcontroller module. Communication between components is established via serial interface (RS232, TTL-level), and the system operates independently using a Wi-Fi access point hosted by the microcontroller. A lithium-polymer battery pack supplies power, offering over seven hours of continuous use, surpassing the original five-hour runtime target. Key features include a local display for system monitoring, a web interface for wireless control, and emergency stop functionality. The system has undergone testing, demonstrating reliability, stable communication, and effective performance across various feed rates. The solution is adaptable to work with several different Simplex Motion motor variants and power levels, making it suitable for a range of industrial or research applications. Future improvements may include enhanced safety features, such as obstacle detection and positional sensors, as well as better control at low speeds.

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