研究目的
Investigating the implementation of IoT-based control and monitoring for a DC motor fed by a photovoltaic system, including the use of a PID algorithm for speed control and remote monitoring via smartphone apps.
研究成果
The IoT-based DC motor control system funded by a 50Wp photovoltaic system was successfully built and tested. The system effectively controls motor speed according to user input, with motor speed directly proportional to EMF. Monitoring via Thingspeak and Blynk apps works well. Future developments include protocol development for remote area applications.
研究不足
The system's effectiveness is dependent on solar radiation, and the boost converter cannot reduce voltage below the reference voltage. Future work includes developing a protocol for a flat topology of nodes in remote areas.
1：Experimental Design and Method Selection:
The system design includes a DC-DC converter to provide 24V to the motor, a PID algorithm for speed control, and IoT-based control via smartphone apps.
2：Sample Selection and Data Sources:
The system uses a 50Wp solar panel and a DC motor for experiments. Data is collected on motor speed and EMF.
3：List of Experimental Equipment and Materials:
Includes a Solartech SRM-50D solar panel, Node-MCU for IoT control, and a 24V DC motor.
4：Experimental Procedures and Operational Workflow:
Experiments include controlling motor speed via smartphone, analyzing the relationship between EMF and motor speed, and monitoring motor speed on Thingspeak and Blynk apps.
5：Data Analysis Methods:
Data is analyzed to understand the relationship between EMF and motor speed and the effectiveness of the PID algorithm in controlling motor speed.
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