Patent ID: 8910478

Claim:
A system comprising a Circulating Fluidized-Bed Boiler (CFB) combustion process with 5 inputs and 5 outputs to be controlled by a multivariable Model-Free Adaptive (MFA) control system, wherein the process having 5 process inputs as manipulated variables, 5 process outputs as the process variables to be controlled, 5 main-processes H 11 , H 22 , H 33 , H 44 , H 55 , and 20 sub-processes H 21 , H 31 , . . . , H 45 according to the following table: Process Outputs - Process Variables to be Controlled Process Inputs - Bed Excess Negative Bed Manipulated Temp O2 Pressure Thickness Firing Rate Variables (T B ) (O 2 ) (P N ) (D B ) (R F ) Primary Air H 11 H 21 H 31 H 41 H 51 (F P ) Secondary Air H 12 H 22 H 32 H 42 H 52 (F S ) Exhaust Air H 13 H 23 H 33 H 43 H 53 (F E ) Slag Disposal H 14 H 24 H 34 H 44 H 54 (F D ) Coal Feed H 15 H 25 H 35 H 45 H 55 (F C ).