Skip to content

add sugeno fuzzy logic in python #2

New issue

Have a question about this project? Sign up for a free GitHub account to open an issue and contact its maintainers and the community.

Sign up for GitHub

By clicking “Sign up for GitHub”, you agree to our terms of service and privacy statement. We’ll occasionally send you account related emails.

Already on GitHub? Sign in to your account

Open
oxychan wants to merge 1 commit into
base: main
Choose a base branch
from
Open

add sugeno fuzzy logic in python #2

Changes from all commits
Commits
Show all changes
1 commit
Select commit
File filter

Filter by extension

Filter by extension
Conversations
Failed to load comments.
Loading
Jump to
Jump to file
Failed to load files.
Loading
Diff view
Diff view
133 changes: 133 additions & 0 deletions Python/sugeno.py
View file
Open in desktop
Original file line number Diff line number Diff line change
@@ -0,0 +1,133 @@
import numpy as np
import skfuzzy as fuzz
from matplotlib import pyplot as plt

#masalah: permintaan, persediaan, produksi
#permintaan terbesar = 5000, permintaan terkecil = 1000, step = 100
x_permintaan = np.arange(0, 5001, 100)
#persediaan terbesar = 600, persediaan terkecil = 100, step = 10
x_persediaan = np.arange(0, 601, 10)
#produksi terbesar = 7000, produksi terkecil = 2000, step = 100
x_produksi = np.arange(0, 7001, 100)

# print(x_permintaan)
# print(x_persediaan)
# print(x_produksi)

#membuat fungsi keanggotaan (mf)
permintaan_turun = fuzz.trimf(x_permintaan, [1000, 1000, 5000])
permintaan_naik = fuzz.trimf(x_permintaan, [1000, 5000, 5000])

persediaan_turun = fuzz.trimf(x_persediaan, [100, 100, 600])
persediaan_naik = fuzz.trimf(x_persediaan, [100, 600, 600])
# plt.plot(x_permintaan, permintaan_turun)
# plt.show()

# plt.plot(x_permintaan, permintaan_naik)
# plt.show()

#berapakah produksi jika permintaan = 4000, persediaan = 300
nilai_permintaan = 4000
nilai_persediaan = 300

derajat_permintaan_turun = fuzz.interp_membership(x_permintaan, permintaan_turun, nilai_permintaan)

derajat_permintaan_naik = fuzz.interp_membership(x_permintaan, permintaan_naik, nilai_permintaan)

# plt.plot(nilai_permintaan, derajat_permintaan_turun, marker= '*')
# plt.plot(nilai_permintaan, derajat_permintaan_naik, marker='.')
# plt.show()

derajat_persediaan_turun = fuzz.interp_membership(x_persediaan, persediaan_turun, nilai_persediaan)

derajat_persediaan_naik = fuzz.interp_membership(x_persediaan, persediaan_naik, nilai_persediaan)

# print(derajat_persediaan_turun)
# print(derajat_persediaan_naik)

# print(derajat_permintaan_turun)
# print(derajat_permintaan_naik)

fig = plt.figure(figsize=(6.4 * 2.0, 4.8 * 1.5))

plt.subplot(3, 1, 1)
plt.title("Permintaan (kemasan/hari)")
plt.plot(x_permintaan, permintaan_turun, label="Turun", marker=".")
plt.plot(x_permintaan, permintaan_naik, label="Naik", marker=".")
plt.plot(nilai_permintaan, 0.0, label="Nilai Permintaan", marker="o")
plt.plot(nilai_permintaan, derajat_permintaan_turun, marker= 'D', label="Derajat Turun")
plt.plot(nilai_permintaan, derajat_permintaan_naik, marker='D', label="Derajat Naik")
plt.axis([0,5000,0,1])
plt.legend(loc="upper left")

plt.subplot(3, 1, 2)
plt.title("Persediaan (kemasan/hari)")
plt.plot(x_persediaan, persediaan_turun, label="Turun", marker=".")
plt.plot(x_persediaan, persediaan_naik, label="Naik", marker=".")
plt.plot(nilai_persediaan, 0.0, label="Nilai Persediaan", marker="o")
plt.plot(nilai_persediaan, derajat_persediaan_turun, label="Derajat Turun", marker="D")
plt.plot(nilai_persediaan, derajat_persediaan_naik, label="Derajat Naik", marker="D")
plt.axis([0, 600, 0, 1])
plt.legend(loc="upper left")

#menentukan alpha predikat dari setiap rule
#rule 1, IF permintaan TURUN and persediaan BANYAK THEN produksi barang = permintaan - persediaan
apred_1 = np.fmin(derajat_permintaan_turun, derajat_persediaan_naik)
z1 = nilai_permintaan - nilai_persediaan

#rule 2, IF permintaan TURUN and persediaan SEDIKIT THEN produksi barang = permintaan
apred_2 = np.fmin(derajat_permintaan_turun, derajat_persediaan_turun)
z2 = nilai_permintaan

#rule 3, IF permintaan NAIK and persediaan BANYAK THEN produksi barang = permintaan
apred_3 = np.fmin(derajat_permintaan_naik, derajat_persediaan_naik)
z3 = nilai_permintaan

#rule 4, IF permintaan NAIK and persediaan SEDIKIT THEN produksi barang = 1.25*permintaan - persediaan
apred_4 = np.fmin(derajat_permintaan_naik, derajat_persediaan_turun)
z4 = 1.25 * nilai_permintaan - nilai_persediaan
print(apred_1)
print(apred_2)
print(apred_3)
print(apred_4)

print(z1)
print(z2)
print(z3)
print(z4)

z = (apred_1 * z1 + apred_2 * z2 + apred_3 * z3 + apred_4 * z4) / (apred_1 + apred_2 + apred_3 + apred_4)

print(z)

plt.subplot(3, 1, 3)
plt.title("Produksi")
plt.plot(z1, apred_1, label="z1", marker=".")
plt.xlim(3000, 5000)
plt.ylim(0, 1)
plt.vlines(z1, 0.0, apred_1)
plt.plot(z2, apred_2, label="z2", marker=".")
plt.vlines(z2, 0.0, apred_2)
plt.plot(z3, apred_3, label="z3", marker=".")
plt.vlines(z3, 0.0, apred_3)
plt.plot(z4, apred_4, label="z4", marker=".")
plt.vlines(z4, 0.0, apred_4)
z_apred = ((apred_1 + apred_2 + apred_3 + apred_4) / 4)
plt.plot(z, z_apred, label="z final", marker="o")
plt.vlines(z, 0.0, z_apred)
plt.legend(loc="upper left")

plt.subplots_adjust(wspace=0.5, hspace=0.5)

plt.show()