Page - 171 - in Adaptive and Intelligent Temperature Control of Microwave Heating Systems with Multiple Sources

5.3. ResultsofDifferentControlMethods 0 5 0 0 1 0 0 0 1 5 0 0 2 0 0 0 2 5 0 02 0 4 0 6 0 8 0 1 0 0 1 2 0 DT2 = 2 . 8 ° C ~ 4 ° C T i m e ( s ) T a r g e tT 1T 2T 3T 4T 5 DT1= 4 . 5 °C ~5 °C 0 2 0 4 0 6 0 8 0 1 0 0 (b)LinearMPC(newCA3,12sources) 0 5 0 0 1 0 0 0 1 5 0 0 2 0 0 0 2 5 0 02 0 4 0 6 0 8 0 1 0 0 1 2 0 DT2= 3 . 5 °C ~3 . 8 °C T i m e ( s ) T a r g e tT 1T 2T 3T 4T 5 DT1= 3 . 3 °C ~3 . 7 °C 0 2 0 4 0 6 0 8 0 1 0 0 (c)NonlinearMPC(newCA3,8sources). adjustedbytheself-coolingmatrixA. Butduetothesystemidentifica- tion procedures introduced in chapter 3, the nonlinear MPC method hasmuchlessopportunities toupdate thematrixA. Therefore itdoes 171