【文章內(nèi)容簡(jiǎn)介】
(in4 is in4mf1) then (out is mf1) (1) ? 2. If (in1 is in1mf1) and (in2 is in2mf1) and (in3 is in3mf1) and (in4 is in4mf2) then (out is mf2) (1) ? 3. If (in1 is in1mf1) and (in2 is in2mf1) and (in3 is in3mf2) and (in4 is in4mf1) then (out is mf3) (1) ? 4. If (in1 is in1mf1) and (in2 is in2mf1) and (in3 is in3mf2) and (in4 is in4mf2) then (out is mf4) (1) ? 5. If (in1 is in1mf1) and (in2 is in2mf2) and (in3 is in3mf1) and (in4 is in4mf1) then (out is mf5) (1) ? 6. If (in1 is in1mf1) and (in2 is in2mf2) and (in3 is in3mf1) and (in4 is in4mf2) then (out is mf6) (1) ? 7. If (in1 is in1mf1) and (in2 is in2mf2) and (in3 is in3mf2) and (in4 is in4mf1) then (out is mf7) (1) ? 8. If (in1 is in1mf1) and (in2 is in2mf2) and (in3 is in3mf2) and 基于 MATLAB 的倒立擺模糊控制 caymi 第 12 頁 共 24 頁 (in4 is in4mf2) then (out is mf8) (1) ? 9. If (in1 is in1mf2) and (in2 is in2mf1) and (in3 is in3mf1) and (in4 is in4mf1) then (out is mf9) (1) ? 10. If (in1 is in1mf2) and (in2 is in2mf1) and (in3 is in3mf1) and (in4 is in4mf2) then (out is mf10) (1) ? 11. If (in1 is in1mf2) and (in2 is in2mf1) and (in3 is in3mf2) and (in4 is in4mf1) then (out is mf11) (1) ? 12. If (in1 is in1mf2) and (in2 is in2mf1) and (in3 is in3mf2) and (in4 is in4mf2) then (out is mf12) (1) ? 13. If (in1 is in1mf2) and (in2 is in2mf2) and (in3 is in3mf1) and (in4 is in4mf1) then (out is mf13) (1) ? 14. If (in1 is in1mf2) and (in2 is in2mf2) and (in3 is in3mf1) and (in4 is in4mf2) then (out is mf14) (1) ? 15. If (in1 is in1mf2) and (in2 is in2mf2) and (in3 is in3mf2) and (in4 is in4mf1) then (out is mf15) (1) ? 16. If (in1 is in1mf2) and (in2 is in2mf2) and (in3 is in3mf2) and (in4 is in4mf2) then (out is mf16) (1) 其中, in1mf1 和 in1mf2 表示角 θ 是 “大 ”和 “小 ”, in2mf1 和 in2mf2表示角速度??是 “快 ”和 “慢 ”, in3mf1 和 in3mf2 表示 位移x的 “遠(yuǎn) ”和“近 ”、 in4mf1 和 in4mf2 表示 速度?x是 “快 ”和 “慢 ”。 在多輸入多輸出的模糊邏輯系統(tǒng)中,??赡軙?huì)有很多規(guī)則,并且這些規(guī)則的前提部分和結(jié)論部分也可以由許多語句組成。前面介紹的基于 MATLAB 的倒立擺模糊控制 caymi 第 13 頁 共 24 頁 IF. THEN 規(guī)則只是最簡(jiǎn)單的形式,是最基本的模糊系統(tǒng)單元。對(duì)于復(fù)雜的模糊邏輯系統(tǒng),如果滿足 “輸出一輸入解耦的,各輸入間、輸出間分別是獨(dú)立的 ”,就可以用連接詞 “and”、 “or”和 “also”連接的一系列簡(jiǎn)單的模糊規(guī)則組成的模糊規(guī)則庫來表示。其中, “and”和 “or”用來連接同一規(guī)則的多個(gè)輸入或多個(gè)輸出, “also”用來連接多條不同的模糊規(guī)則。 模糊推理的規(guī) 則通常來