Question: i want a solution for fuzzy logic question in figure Q5. Consider a fuzzy logic controller is used to control the level of water in
i want a solution for fuzzy logic question in figure
Q5. Consider a fuzzy logic controller is used to control the level of water in a tank by opening and closing a valve (V) according to two input variables: level (LV), and flow rate (FR). Let the fuzzy set of LV be {High (H), Medium (M), Low (L)], and the fuzzy set of FR be {Slow flow (S), No flow (N), High flow (H)}, while the fuzzy set of the output V be {Close (C), No change (N), Open (0)}. The ranges and membership functions of the input/output variables are described in table 1. Find the control action if LV=820 and FR= 2.4 based on the fuzzy rules shown in table 2. Table 1 Table 2 LVe [0, 1000] FR = [0, 10) Ve[-1, 1) with FR S N H step=0.2 Term MF Term MF Term MF LV L L(200,350 ) S L(2,4) L(-0.7, -0.2) L 0 O 0 M A(200, 500, 800) N II( 2,4,6,8) N 1(-0.5, 0, 0.5) M N 0 0 H H r(650,900) (6,8) O r(0.2, 0.7) H N Mark (25) ^
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