designing the PID controller based on the fuzzy logic controller.

To design a PID controller based on the fuzzy logic controller for tank level control, we can combine conventional PID control and fuzzy logic to achieve robust and effective control.
First, we would design a fuzzy logic controller to determine the appropriate proportional, integral, and derivative gains for the PID controller based on the error and its rate of change. The fuzzy logic system would take inputs such as the error and its rate of change and provide outputs representing the PID gains.
The PID controller would then use these gains to calculate the control signal based on the error, its integral, and its derivative. The combined approach of fuzzy logic and PID control can help handle the non-linear and complex dynamics of the tank-level system.
Careful tuning and validating the fuzzy logic-based PID controller would be necessary to ensure stable and optimal performance in controlling the tank level under varying operating conditions and disturbances.