Willyanto, (2009) OPTIMUM METHOD SOLUTION FOR DETERMINING BRAKE DISTANCE DESIGN. In: the 6th International Conference on Numerical Analysis in Engineering, 16-05-2009 - 16-05-2009, - Indonesia.
Abstract
Fuzzy logic is a powerful method for mapping space input into space output. Between space input and output there is a black box for mapping input towards suitable output. Although many ways works with the black box, fuzzy logic will give powerful solution. The purpose of the research is looking for relation parameters between velocity and brake pressure of vehicle model that can be control to determine optimum brake distance of vehicle model by using rules base of fuzzy logic with verbose format. The step of research methodology are: determining space input variable of fuzzy logic i.e. : velocity and brake pressure, using fuzzy operator, using implication function, composing space fuzzy output of brake distance, and then processing of defuzzification. The result of this research has given optimum brake distance of model vehicle. Where as the maximum of velocity = 112 km/h and brake pressure (P brake) = 80 bars will give minimum brake distance = 24.90 meters, if brake pressure ≤ 22.8 bars will give maximum braking distance = 52.30 meters. The conclusion is model vehicle with brake pressure 20 bars <P brake< 80 bars will give brake distance: 24.90 meters< S brake< 52.30 meters in working velocity.
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