I want to control centrifugal pump flow speed that is used in a system for cooling( same like HVAC). I have the labview example in labview examples (Attached). In this example rotor frequency is controlled and accordingly motor speed is controlled, this ac motor can be connected to pump and its flow speed can be controlled.
I have one question about how to do amendment in this labview example to use in my below control technique
"" how can i relate my feedback temperature to rotor frequency as i need to control temperature and for that alternatively rotor frequency i mean for that should i need another PID controller or just case structures will be used like if temperature difference is 10 degree than rotor frequency will be 1 and when 5 degree than 0.5 and so on OR should i use PID Controller.
thanks in advance