what is PID in bioreactor how to calculate
PID (Proportional-Integral-Derivative) control is a control loop feedback mechanism used to regulate the temperature, pH, and other process variables in a bioreactor. It is commonly used in the control systems of bioreactors to maintain a steady state and avoid large fluctuations in the process variables. The PID controller calculates the error between the desired set point and the current process variable and then generates a correction signal to adjust the process. The correction signal is generated by combining three control terms: Proportional control: This term generates a correction signal that is proportional to the error between the set point and the current process variable. The proportionality constant is known as the proportional gain (Kp). Integral control: This term generates a correction signal that is proportional to the integral of the error over time. The integral gain (Ki) is used to adjust this term. Derivative control: This term generates a correction signal