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Mamdani and Sugeno type Fuzzy Inference System in julia. This code is based in Lepisma.
pkg> add Fuzzyjulia> using Fuzzy- Create input, output membership functions and rules
julia> input_a = Dict("small" => TriangularMF(1, 2, 3), "large" => TriangularMF(4, 5, 6))
julia> input_b = Dict("small" => TriangularMF(1, 2, 3))
julia> inputs = [input_a, input_b]
julia> output = Dict("small" => TriangularMF(1, 2, 3))
julia> rule = Rule(["large", "small"], "small")
julia> rules = [rule]- Create FIS
julia> fis = FISMamdani(inputs, output, rules)- Find output
julia> in_vals = [4.7, 2.3]
julia> eval_fis(fis, in_vals)- Create input membership functions and rules with consequence coefficients
julia> input_a = Dict("small" => TriangularMF(1, 2, 3), "large" => TriangularMF(5, 6, 7))
julia> input_b = Dict("small" => TriangularMF(1, 2, 3))
julia> inputs = [input_a, input_b]
julia> rule1 = Rule(["large", "small"], [1.0, 1.0, 1.0])
julia> rule2 = Rule(["small", "small"], [0.0, 0.0, 5.0])
julia> rules = [rule]- Create FIS
julia> fis = FISSugeno(inputs, rules)- Find output
julia> in_vals = [2.3, 1.2]
julia> eval_fis(fis, in_vals)-
FIS
- Mamdani
- Sugeno
-
Membership functions
- Triangular
- Gaussian
- Bell
- Trapezoidal
- Sigmoid
-
Defuzzification
- Mean of Maximum
- Weighted Average (default)
- Centroid (coming soon)
-
T-Norm
- Minimum (MIN)
- Algebraic product (A-PROD)
- Bounded difference (B-DIF)
- Drastic product (D-PROD)
- Einstein product (E-PROD)
- Hamacher product (H-PROD)
-
S-Norm
- Maximum (MAX)
- Algebraic sum (A-SUM)
- Bounded sum (B-SUM)
- Drastic sum (D-SUM)
- Einstein sum (E-SUM)
- Hamacher sum (H-SUM)
- Create points to use in plot packages using the chart_prepare
julia> input_a = Dict("small" => TriangularMF(1, 2, 3), "large" => TriangularMF(5, 6, 7));
julia> x = range(0, 8, length = 100);
julia> data = chart_prepare(input_a, x)
julia> using Plots
julia> plot(x, data["values"], label = data["names"])MIT