Методы и средства исследования технологических процессов ткацкого производства. Назарова М.В - 126 стр.

       F    =
               S  {Y}
                   2
                      =
                         S 2 {Y }
                                    , если S над {Y } < S {Y },
                                             2           2
                                                                  (7.23)
        R
              S
                2
                   {Y} S
                         2
                         над
                               {Y }
                ад
  где Sнад2{Y} – дисперсия, обусловленная неадекватностью, определяется
  по формуле:
                     N
                     ∑ (Yu − YRU   )2
       S над {Y } =
         2          u =1                                          (7.24)
                                        ,
                         N − Nk
где NK – число значимых коэффициентов.
    Значения YRU рассчитываем по полученной математической модели и
сводим в табл 3.
             У1 = 25,16 – 1,2⋅ (+1) – 4,46 ⋅ (+1) 2 + 2,84 ⋅(+1) 2 +
                    + 3,99 (+1) 2 + 1,38 (+1)⋅ (+ 1) = 27,7;
             У2 = 25,16 – 1,2⋅ (–1) – 4,46 ⋅ (–1) 2 + 2,84 ⋅ (+1) 2 +
                    + 3,99 (+1) 2 + 1,38⋅ (+1)⋅(+ 1) = 30,1;
              У3 = 25,16 – 1,2⋅ (+1) – 4,46 ⋅(+1) 2 + 2,84 ⋅(–1) 2 +
                     + 3,99 (+1) 2 + 1,38 (–1)⋅(+ 1) = 24,9;
              У4 = 25,16 – 1,2⋅ (–1) – 4,46 ⋅ (–1) 2 + 2,84 ⋅(–1) 2 +
                    + 3,99 (+1) 2 + 1,38 (–1)⋅ (+ 1) = 27,4;
             У5 = 25,16 – 1,2⋅ (+1)– 4,46 ⋅ (+1) 2 + 2,84 ⋅(+1) 2 +
                    + 3,99 (–1) 2 + 1,38⋅ (+1)⋅(– 1) = 24,9;
             У6 = 25,16 – 1,2⋅ (–1) – 4,46 ⋅ (–1) 2 + 2,84 ⋅(+1) 2 +
                    + 3,99 (–1) 2 + 1,38 (+1)⋅ (– 1) = 27,3;
             У7 = 25,16 – 1,2⋅ (+1) – 4,46 ⋅ (+1) 2 + 2,84 ⋅ (–1) 2 +
                     + 3,99 (–1) 2 + 1,38 (–1)⋅(– 1) = 27,7;
              У8 = 25,16 – 1,2⋅ (–1) – 4,46 ⋅ (–1) 2 + 2,84 ⋅(–1) 2 +
                     + 3,99 (–1) 2 + 1,38 (–1)⋅ (– 1) = 30,1;
              У9 = 25,16 – 1,2⋅ (+1) – 4,46 ⋅ (+1) 2 + 2,84 ⋅ (0) 2 +
                       + 3,99 (0) 2 + 1,38 (0)⋅ (0) = 19,5;
              У10 = 25,16 – 1,2⋅ (–1) – 4,46 ⋅ (–1) 2 + 2,84 ⋅ (0) 2 +
                      + 3,99⋅ (0) 2 + 1,38 (0)⋅ (0) = 21,9;
              У11 = 25,16 – 1,2⋅ (0) – 4,46 ⋅ (0) 2 + 2,84 ⋅ (+1) 2 +
                      + 3,99 (0) 2 + 1,38 (+1)⋅ (0) = 28,0;
              У12 = 25,16 – 1,2⋅ (0) – 4,46 ⋅ (0) 2 + 2,84 ⋅ (–1) 2 +
                       + 3,99 (0) 2 + 1,38 (–1)⋅ (0) =28,0;
               У13 = 25,16 – 1,2⋅ (0) – 4,46 ⋅ (0) 2 + 2,84 ⋅ (0) 2 +
                     + 3,99 (+1) 2 + 1,38 (0)⋅ (+1) = 29,1;