Balancing of Utility in Palmoil Supply chain model
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Syarif Hidayat (Author)
Tags
palm oil supply chain - added-value balancing
Tagged by Syarif Hidayat almost 6 years ago
Model was written in NetLogo 4.1.3
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Click to Run Model
globals [
gcounter
gcounter2
gupetani
gupedagang
gupabrcpo
gupabrminygor
gudistributor
gw1_1petani
gw2_1petani
gw1_2petani
gw2_2petani
gw1_1pedagang
gw2_1pedagang
gw1_2pedagang
gw2_2pedagang
gw1_1pabrcpo
gw2_1pabrcpo
gw1_2pabrcpo
gw2_2pabrcpo
gw1_1pabrminygor
gw2_1pabrminygor
gw1_2pabrminygor
gw2_2pabrminygor
gw1_1distributor
gw2_1distributor
gw1_2distributor
gw2_2distributor
gformulayl1petani
gformulayl1pedagang
gformulayl1pabrcpo
gformulayl1pabrminygor
gformulayl1distributor
gformulayl2petani
gformulayl2pedagang
gformulayl2pabrcpo
gformulayl2pabrminygor
gformulayl2distributor
gntpetani
gntpedagang
gntpabrcpo
gntpabrminygor
gntdistributor
gntriilpetani
gntriilpedagang
gntriilpabrcpo
gntriilpabrminygor
gntriildistributor
gu_total
gnt_total
gntriil_total
gselisih
]
turtles-own [
risiko
investasi
u1
u2
formulayl1
formulayl2
nt
ntriil
alpha
w1_1
w1_2
w2_1
w2_2
alphawx1
alphawx2
]
breed [petani]
breed [pedagang]
breed [pabrik_cpo]
breed [pabrik_minygor]
breed [distributor]
breed [konsumen]
to do_setup
clear-all
if file-exists? "hasilutil.csv"
[file-delete "hasilutil.csv"]
file-open "hasilutil.csv"
file-print
"W1_1PET,W2_1PET,FORMULAYL1PET,W2_2PET,W1_2PET,FORMULAYL2PET,SELISIHPET, W1_1PED,W2_1PED,FORMULAYL1PED,W2_2PED,W1_2PED,FORMULAYL2PED,SELISIHPED, W1_1CPO,W2_1CPO,FORMULAYL1CPO,W2_2CPO,W1_2CPO,FORMULAYL2CPO,SELISIHCPO, W1_1GOR,W2_1GOR,FORMULAYL1GOR,W2_2GOR,W1_2GOR,FORMULAYL2GOR,SELISIHGOR, W1_1IDIS,W2_1DIS,FORMULAYL1DIS,W2_2DIS,W1_2DIS,FORMULAYL2DIS,SELISIHDIS"
file-close
set gselisih 0
do_setup_patches
do_setup_turtles
end
to do_setup_patches
ask patches
[ set pcolor green ]
end
to do_setup_turtles
set-default-shape petani "circle"
create-petani 1
[
set color red
;setxy -10 0
]
set-default-shape pedagang "circle"
create-pedagang 1
[
set color black
;setxy -5 0
]
set-default-shape pabrik_cpo "circle"
create-pabrik_cpo 1
[set color violet]
set-default-shape pabrik_minygor "circle"
create-pabrik_minygor 1
[set color sky]
set-default-shape distributor "circle"
create-distributor 1
[set color yellow]
;ask turtles [
; setxy random-pxcor random-pycor]
end
to do_go
do_optimal
tick
end
to-report VARY [#low #high]
;; reports a random integer in given range, inclusive
report #low + random(#high - #low + 1)
end
to do_optimal
set gcounter gcounter + 1
ask turtle 0
[
;biaya produksi petani
ifelse gcounter > 1
[
if w1_1 < (1 - 0.001)
[
set w1_1 w1_1 + 0.001
]
if w2_2 < (1 - 0.001)
[
set w2_2 w2_2 + 0.001
]
]
[
set risiko 0.355
;set investasi 0.49
set investasi 0.00298
set alpha 2
;w1 adalah bobot risiko w2 investasi
set w1_1 0.001
set w2_2 0.001
]
set w2_1 1 - w1_1
;gw1 global
set gw1_1petani w1_1
set gw2_1petani w2_1
set alphawx1 alpha * ( (w1_1 * risiko) + (w2_1 * investasi))
; u1 fungsi utility berdasar risiko sebelum dikalikan alpha
; formulayl adalah fungsi utility setelah dikalikan alpha
; formulayl = u * alpha
set u1 exp(alphawx1)
set formulayl1 u1 * alpha
set gformulayl1petani formulayl1
set w1_2 1 - w2_2
set gw1_2petani w1_2
set gw2_2petani w2_2
set alphawx2 alpha * ( (w1_2 * risiko) + (w2_2 * investasi))
set u2 exp(alphawx2)
set formulayl2 u2 * alpha
set gformulayl2petani formulayl2
set-current-plot "petani"
set-current-plot-pen "Util-risk"
plot formulayl1
set-current-plot-pen "Util-inv"
plot formulayl2
]
ask turtle 1
[
;biaya produksi pedagang
ifelse gcounter > 1
[
if w1_1 < (1 - 0.001)
[
set w1_1 w1_1 + 0.001
]
if w2_2 < (1 - 0.001)
[
set w2_2 w2_2 + 0.001
]
]
[
set risiko 0.124
set investasi 0.00854
set alpha 2
set w1_1 0.001
set w2_2 0.001
set ntriil 0.67
set gntriilpedagang ntriil
]
set w2_1 1 - w1_1
set gw1_1pedagang w1_1
set gw2_1pedagang w2_1
set alphawx1 alpha * ( (w1_1 * risiko) + (w2_1 * investasi))
set u1 exp(alphawx1)
set formulayl1 u1 * alpha
set gformulayl1pedagang formulayl1
set w1_2 1 - w2_2
set gw1_2pedagang w1_2
set gw2_2pedagang w2_2
set alphawx2 alpha * ( (w1_2 * risiko) + (w2_2 * investasi))
set u2 exp(alphawx2)
set formulayl2 u2 * alpha
set gformulayl2pedagang formulayl2
set-current-plot "Pengepul"
set-current-plot-pen "Util-risk"
plot formulayl1
set-current-plot-pen "Util-inv"
plot formulayl2
]
;pabrcpo
ask turtle 2
[
ifelse gcounter > 1
[
if w1_1 < (1 - 0.001)
[
set w1_1 w1_1 + 0.001
]
if w2_2 < (1 - 0.001)
[
set w2_2 w2_2 + 0.001
]
]
[
set risiko 0.224
set investasi 0.39381
set alpha 2
set w1_1 0.1
set w2_2 0.1
;set ntriil 1.35
;set gntriilpabrcpo ntriil
; instruksi ini sebetulnya tidak berperan karena tidak dipakai pada program
]
set w2_1 1 - w1_1
set gw1_1pabrcpo w1_1
set gw2_1pabrcpo w2_1
set alphawx1 alpha * ( (w1_1 * risiko) + (w2_1 * investasi))
set u1 exp(alphawx1)
set gupabrcpo u1
set formulayl1 u1 * alpha
set gformulayl1pabrcpo formulayl1
set w1_2 1 - w2_2
set gw1_2pabrcpo w1_2
set gw2_2pabrcpo w2_2
set alphawx2 alpha * ( (w1_2 * risiko) + (w2_2 * investasi))
set u2 exp(alphawx2)
set gupabrcpo u2
set formulayl2 u2 * alpha
set gformulayl2pabrcpo formulayl2
set-current-plot "PKS"
set-current-plot-pen "Util-risk"
plot formulayl1
set-current-plot-pen "Util-inv"
plot formulayl2
]
;pabrcpo
ask turtle 3
[
ifelse gcounter > 1
[
if w1_1 < (1 - 0.001)
[
set w1_1 w1_1 + 0.001
]
if w2_2 < (1 - 0.001)
[
set w2_2 w2_2 + 0.001
]
]
[
set risiko 0.193
set investasi 0.58575
set alpha 2
set w1_1 0.001
set w2_2 0.001
set ntriil 9.35
set gntriilpabrminygor ntriil
]
set w2_1 1 - w1_1
set gw1_1pabrminygor w1_1
set gw2_1pabrminygor w2_1
set alphawx1 alpha * ( (w1_1 * risiko) + (w2_1 * investasi))
set u1 exp(alphawx1)
set formulayl1 u1 * alpha
set gformulayl1pabrminygor formulayl1
set w1_2 1 - w2_2
set gw1_2pabrminygor w1_2
set gw2_2pabrminygor w2_2
set alphawx2 alpha * ( (w1_2 * risiko) + (w2_2 * investasi))
set u2 exp(alphawx2)
set formulayl2 u2 * alpha
set gformulayl2pabrminygor formulayl2
set-current-plot "Refinery"
set-current-plot-pen "Util-risk"
plot formulayl1
set-current-plot-pen "Util-inv"
plot formulayl2
]
ask turtle 4
[
ifelse gcounter > 1
[
if w1_1 < (1 - 0.001)
[
set w1_1 w1_1 + 0.001
]
if w2_2 < (1 - 0.001)
[
set w2_2 w2_2 + 0.001
]
]
[
set risiko 0.103
set investasi 0.00893
set alpha 2
set w1_1 0.001
set w2_2 0.001
; sebetulnya ntriil nilai tambah riil tidak diapa-apakan dalam proses beirkutnya
set ntriil 0.42
set gntriildistributor ntriil
]
set w2_1 1 - w1_1
set gw1_1distributor w1_1
set gw2_1distributor w2_1
set alphawx1 alpha * ( (w1_1 * risiko) + (w2_1 * investasi))
set u1 exp(alphawx1)
set formulayl1 u1 * alpha
set gformulayl1distributor formulayl1
set w1_2 1 - w2_2
set gw1_2distributor w1_2
set gw2_2distributor w2_2
set alphawx2 alpha * ( (w1_2 * risiko) + (w2_2 * investasi))
set u2 exp(alphawx2)
set formulayl2 u2 * alpha
set gformulayl2distributor formulayl2
set-current-plot "distributor"
set-current-plot-pen "Util-risk"
plot formulayl1
set-current-plot-pen "Util-inv"
plot formulayl2
]
file-open "hasilutil.csv"
; disini dihitung selisih-selisih utk mencari titik temu curva risiko dan curva investasi langsung di print di csv
file-print (word gw1_1petani "," gw2_1petani "," gformulayl1petani "," gw2_2petani "," gw1_2petani "," gformulayl2petani "," (gformulayl1petani - gformulayl2petani) "," gw1_1pedagang "," gw2_1pedagang "," gformulayl1pedagang "," gw2_2pedagang "," gw1_2pedagang "," gformulayl2pedagang "," (gformulayl1pedagang - gformulayl2pedagang) "," gw1_1pabrcpo "," gw2_1pabrcpo "," gformulayl1pabrcpo "," gw2_2pabrcpo "," gw1_2pabrcpo "," gformulayl2pabrcpo "," (gformulayl1pabrcpo - gformulayl2pabrcpo) "," gw1_1pabrminygor "," gw2_1pabrminygor "," gformulayl1pabrminygor "," gw2_2pabrminygor "," gw1_2pabrminygor "," gformulayl2pabrminygor "," (gformulayl1pabrminygor - gformulayl2pabrminygor) "," gw1_1distributor "," gw2_1distributor "," gformulayl1distributor "," gw2_2distributor "," gw1_2distributor "," gformulayl2distributor "," (gformulayl1distributor - gformulayl2distributor))
file-close
end
There is only one version of this model, created almost 6 years ago by Syarif Hidayat.
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