Hi all,

I am a HVAC student and i am preparing for my graduation thesis, I need some information to help me prepare this report, i need your expert opinions in the following aspect:

-What is a HVAC Pneumatic Control System?

_System Components

-System operation

- Syatem communication

-System advantages

-System disadvantages


-What is a DDC System?

_System Components

-System operation

- Syatem communication

-System advantages

-System disadvantages

-What are the major diferences between the two above systems in terms of accuracy, feasibility, cost, performance, energy efficiency, and other comparisons?


- Finally, what is the best design and when we need to combine the two systems, and how we can make them a hybrid system for getting the most performance outcome from both systems' advantages?




Thank you very much in advance for your contribution


Alex.