Pid controller with resistor heating using STM32 microcontroller

End of semester project for Microprocessor Systems

Measurement and regulation of the temperature of the 39 ohm ceramic resistor using BMP280 sensor

Completed project assumptions:

• error < 1%
• setting the desired temperature using serial port
• displaying current temperature using serial port
• dedicated script for logging error, desired and measured signal
• visualization in Python

General Information

The main goal of this project is to identify the object in open loop, create a theoretical model, simulate a circuit in Simulink, create a two-position controller and implement it using physical object. Then create a theoretical PID simulation in Simulink with specific kp, ki, kd gains and implement the same circuit using physical object.

Technologies Used

• STM32 F7 series Microcontroller
• C language for hardware-side implementation
• Python for connecting via serial port with microcontroller, logging and displaying measurements
• Matlab with Simulink for plotting, creating theoretical model, selecting optimal PID parameters

Video

Working example

Screenshots

Project Status

Project is: complete

Room for Improvement

Room for improvement:

• Fine-tune PID parameters for optimal control