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fuzzy.js
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fuzzy.js
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var rules = {
vshort: 'negative',
short : 'low',
medium: 'medium',
large: 'high'
}
var distance = {
vshort: [0, 50, 100],
short : [50, 150, 250],
medium: [150, 300, 450],
large: [400, 500, 500]
};
var speed = {
negative: [-2000, -1000, 0],
low : [-400, 0, 400],
medium: [300,500,700],
high: [500, 1000,1500]
};
var alfaSum = 0;
function calculateM(x, triangleVariable) {
var m = 0;
if(x < triangleVariable[0]) {
m = 0;
} else if(triangleVariable[0] <= x && x <= triangleVariable[1]) {
m = (x-triangleVariable[0])/(triangleVariable[1] - triangleVariable[0]);
} else if(triangleVariable[1] < x && x <= triangleVariable[2]) {
m = (triangleVariable[2] - x)/(triangleVariable[2] - triangleVariable[1]);
} else {
m = 0;
}
return m;
}
function fuzzification(givenDistance) {
var ms = Object.keys(distance).map(dist => {
return {[dist] : calculateM(givenDistance, distance[dist])};
});
return ms;
}
function calculateZi(givenDistance) {
return fuzzification(givenDistance).map(dist => {
return calculateAreaAlfaCut(Object.values(dist), speed[rules[Object.keys(dist)]]);
});
}
function calculateAreaAlfaCut (alfaI, triangleVariable) {
var sum = 0;
if(alfaI > 0) {
for(var i = triangleVariable[0]; i < triangleVariable[2]; i +=100) {
alfaSum += Math.min(calculateM(i, triangleVariable), alfaI);
sum += i * Math.min(calculateM(i, triangleVariable), alfaI);
}
}
return sum;
}
function calculateZ(givenDistance) {
alfaSum = 0;
return calculateZi(givenDistance).reduce((a, b) => a + b, 0)/alfaSum;
}
function blah() {
alert('EEEEEEEE');
}
console.log('0', calculateZ(0))
console.log('100', calculateZ(100))
console.log('150', calculateZ(150))
console.log('200', calculateZ(200))
console.log('300', calculateZ(300))
console.log('350', calculateZ(350))
console.log('400', calculateZ(400))
console.log('450', calculateZ(450))
console.log('500', calculateZ(500))