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MODEL BASED PROCESS CONTROL
RESULTS AND DISCUSSIONS
5 other sections not shown
1,COEFF acheived adaptive control atmospheric conditions augmented two-factorial experiment Barrel Temp barrel temperature base value batch calculated the packing cavity pressure cavity temperature cavity wall cavity-wall temperature Central composite design changes COMMON/PROCESS/X control algorithm cooling correction term data acquisition system data points DEC-LAB design of experiments desired thickness determined ENDIF C RETURN entire operating range error function experiment design FACTORIAL EXPERIMENT factors FEASIBLE REGION Figure fluctuations FORMAT GOTO grams Hence injection molding machine injection molding process injection speed INTEGER interaction machine conditions machine settings MATRIX methodology minimum possible weight model for weight mold cavity mold coolant temperature mold geometries mold temperature operating point orignal values output parameter parameter at cycle plate polymer polypropylene predict pressure dependency PRINT process model process parameters processing conditions produced quadratic range of packing READ RETURN ENDIF schmitt trigger secs SHOT NUMBER shot-to-shot SSRES SUBROUTINE thermocouple tolerance zone TREATMENTS unregulated process variation WRITE WRITE(8