aggregate planning transportation (production) problem in ms excel

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  • 8/10/2019 Aggregate Planning Transportation (Production) Problem in MS Excel

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    Period Actual De Forecasts

    1 39773 39773

    2 36289 36985.8

    3 55588 51867.56

    4 45891 47086.31

    5 55056 53462.06

    6 32974 37071.61

    7 57803 53656.72

    8 33792 37764.94

    9 63321

    0

    10000

    20000

    30000

    40000

    50000

    60000

    70000

    0 1 2 3 4 5 6 7

    Actual Vs. Predicted vs. Movi

    Actual Demand Forecasts

    2 per. Mov. Avg. (Actual Demand ) 2 per. Mov. Avg. (For

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    Period 1 2 3 4 5 6 7 8 Slack Supply

    D1 D2 D3 D4 D5 D6 D7 D8 Dummy y

    S1 R1 39773 1827 0 0 0 0 0 0 0 41600 #### ####

    S2 O1 0 0 0 0 0 0 0 0 20800 0 #### ####

    S3 R2 0 35159 6441 0 0 0 0 0 0 41600 #### ####

    S4 O2 0 0 0 0 0 0 0 0 20800 0 #### ####

    S5 R3 0 0 41600 0 0 0 0 0 0 41600 #### ####

    S6 O3 0 0 3826 0 0 0 0 0 16974 3826 #### ####

    S7 R4 0 0 0 41600 0 0 0 0 0 41600 #### ####

    S8 O4 0 0 0 5486 0 0 0 0 15314 5486 #### ####

    S9 R5 0 0 0 0 41600 0 0 0 0 41600 #### ####

    S10 O5 0 0 0 0 11862 0 0 0 8938 11862 #### ####

    S11 R6 0 0 0 0 0 37072 4528 0 0 41600 #### ####

    S12 O6 0 0 0 0 0 0 0 0 20800 0 #### ####

    S13 R7 0 0 0 0 0 0 41600 0 0 41600 #### ####

    S14 O7 0 0 0 0 0 0 7528 0 13272 7528 #### ####S15 R8 0 0 0 0 0 0 0 16965 24635 16965 #### ####

    S16 O8 0 0 0 0 0 0 0 20800 0 20800 #### ####

    DD 39773 36986 51868 47086 53462 37072 53657 37765

    39773 36986 51868 47086 53462 37072 53657 37765

    Total Product 2E+06

    Inventory&S 3199

    Total Cost 2E+06

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    Deriving new parameters or decision variables if you need.

    Mi = Regular time production (Maximum) during period i

    Yi = Overtime production (Maximum) during period i

    Di = Demand during period i

    Ii = Inventory at the end of period i, Pi =Pre-order

    r = Regular time cost of production, per unit

    v = Over time cost of production, per unit

    h = Cost of carrying the inventory per unit per period.

    Min TC =

    s.t

    The Excel sheet with solver notes is attached.

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