ﺍﻧﺤﺮﺍﻑ Deviation

ﺍﺧﺘﻼﻑ ﺑﯿﻦ ﻣﻘﺪﺍﺭ وﺍﻗﻌﯽ ﻣﺘﻐﯿﺮ ﮐﻨﺘﺮﻝ ﺷﺪﻩ و ﻣﻘﺪﺍﺭ ﻣﻄﻠﻮﺏ ﻣﺘﻨﺎﻇﺮ ﺑﺎ ﻧﻘﻄﻪ ﺗﻨﻈﯿﻢ.