What are the identification decision and modification steps in adaptive control?

In adaptive control, systems are designed to modify their own operations to achieve optimal performance. This process relies on three fundamental, interconnected functions:1

• Identification: The system continuously monitors and provides information regarding its present state, effectively identifying the current process parameters.1
• Decision: The system compares its actual performance against a desired or optimum performance criterion. Based on this comparison, it makes a logical decision to adjust the system to reach that defined optimum.1
• Modification: Once a decision is made, the system initiates the necessary changes to its own operation to drive the control system toward the desired optimal state.1

These steps allow the controller to maintain performance even when system characteristics change, distinguishing it from simpler control methods.1