Research Article

Fuzzy Control of Cold Storage Refrigeration System with Dynamic Coupling Compensation

Table 1

The input and output variables and the state variables of the dynamic model.

SymbolName

Input variables (Hz)Frequency of the compressor
Opening of the electronic expansion valve

Output variables (°C)Temperature of the storage room
(°C)Outlet superheat of the evaporator

State variablesOutlet enthalpy of the condenser
(J/kg)Outlet ratio of enthalpy of the evaporator
(°C)Temperature of the storage room
(°C)Temperature of the tube wall of the condenser
(°C)Temperature of the tube wall of the evaporator