帮忙解答一道自动控制原理题目,急求!加分！ 自动控制原理的题，请求大神帮忙解答一下
\u81ea\u52a8\u63a7\u5236\u539f\u7406\u9898\u76ee\uff0c\u6c42\u5404\u4f4d\u5927\u795e\u5e2e\u5fd9\u89e3\u7b54\uff0c\u4e0d\u80dc\u611f\u6fc0\u3002\u5047\u8bbe\u6746\u4ef6\u5fae\u5c0f\u8f6c\u52a8\u89d2\u5ea6\uff0c\u89d2\u901f\u5ea6w\uff1b
w=(dz/dt-dx/dt)/EB\uff0cf(dx/dt-FB*w)=k*\u79ef\u5206\uff08w*OB)
\u6c42\u5bfc\u6d88\u53bb\u79ef\u5206\uff0c\u62c9\u666e\u62c9\u65af\u53d8\u6362\uff0c\u6d88\u53bbw
T=0.245\uff0c\u6211\u4e5f\u4e0d\u77e5\u9053\u7b97\u6ca1\u7b97\u5bf9\uff0c\u6709\u7b54\u6848\u4e48
\u65b9\u6cd5\u662f\u7528\u89d2\u6761\u4ef6\uff0c\u628a\u5176\u4ed6\u6781\u70b9\u5230\u03bb1\u7684\u89d2\u7b97\u5b8c\uff0c\u5f97\u5230\u70b9-1/T\u5230\u03bb1\u7684\u89d2\u5ea6\u662f\uff082k+1\uff09\u03c0+257.8\u00b0\uff0c\u8981\u6c42\u7684\u8fd9\u4e2a\u89d2\u662f\u5927\u4e8e\u96f6\u5c0f\u4e8e180\u00b0\uff0c\u6240\u4ee5\uff082k+1\uff09\u03c0\u662f-180\u00b0\uff0c\u8981\u6c42\u7684\u8fd9\u4e2a\u89d2\u5c31\u662f-180+257.8=77.8\uff0c\u7136\u540e\u5e26\u8fdb\u53bb\u7b97\uff0c5/(-3+1/T)=tan77.8\uff0cT=0.245
少年~~三阶系统也可以有超调量和峰值时间~~
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绛旓細绛 锛氭牴鎹鎰忥紝杈撳叆淇″彿涓 r(t)=4+6t+3t^2 锛屽崟浣嶅弽棣堢郴缁熺殑寮鐜紶閫掑嚱鏁颁负 G(s)=\frac{8(0.5s+1)}{s^2(0.1s+1)} 銆傞鍏堬紝鎴戜滑闇瑕佸皢杈撳叆淇″彿 r(t) 杞崲鎴 Laplace 鍙樻崲褰㈠紡銆傛牴鎹媺鏅媺鏂彉鎹㈢殑瀹氫箟锛 R(s) 鐨勮〃杈惧紡涓猴細R(s) =\mathcal{L}{r(t)}=\mathcal{L}...
绛旓細姹傚娑堝幓绉垎锛屾媺鏅媺鏂彉鎹紝娑堝幓w
绛旓細c涓婄殑涓鐐癸紝瀵兼暟鍟婏紝涓闃跺鏁扮殑鍒濆鍊间负0銆備綘鏄鐞嗗伐鐨勶紵
绛旓細绛旀锛歬=2,a=3/4;杩囩▼锛氶棴鐜壒寰佹柟绋嬶細s^3+as^2+(2+K)s+(1+K)=0;灏唖=j2,浠ｅ叆鐗瑰緛鏂圭▼銆傚垎鎴愬疄閮ㄨ櫄閮ㄤ袱涓柟绋:瀹為儴 -4a+K+1=0 铏氶儴 -8+(2+K)2=0 瑙ｄ袱涓湭鐭ユ暟锛屽嵆寰楃瓟妗堛
绛旓細200/s(s+2)(s=10) (s=10)鏄(s+10)鍚?绯荤粺绋虫佽宸細Ess=R/(1+Kp) + R/Kv Kp=s瓒嬩簬闆禛(s)鐨勬瀬闄=鏃犵┓ Kv=s瓒嬩簬闆秙*G(s)鐨勬瀬闄=10 Ess=R/(1+Kp) + R/Kv =10
绛旓細鏍规嵁棰樼洰锛搴旇鏄寚瀵规暟骞呴鐗规у悜鍙冲钩绉伙紝鐩搁鐗规т笉鍙樸傝繖鏍风殑璇濓紝鍓垏棰戠巼锛堝箙鍊肩┛瓒婇鐜囷級澧炲ぇ锛岀郴缁熷揩閫熸ф彁楂橈紝鎵浠ヨ皟鏁存椂闂村噺灏忥紱绋冲畾鎬у彉宸紝鎵浠ヨ秴璋冮噺澧炲姞锛涗綆棰戞鏂滅巼涓嶅彉浣嗛珮搴﹀鍔狅紝鎵浠ョǔ鎬佽宸噺灏忥紱楂橀娈垫枩鐜囦笉鍙樹絾楂樺害澧炲姞锛屾墍浠ユ姉楂橀鍣０骞叉壈鐨勮兘鍔涘噺寮便傛荤殑鏉ヨ锛屼笌鎻愰珮绯荤粺鐨勫紑鐜...
绛旓細0182,杩囨浮鏃堕棿ts1=3T1,鏀惧ぇ绯绘暟K1=10/11=0.909 鍔犲叆鍓嶉鍜屽弽棣堝悗锛屽墠棣圞o,鍙嶉Kh 闂幆浼犻掑嚱鏁癙2=10Ko/(0.2s/(1+10Kh)+1)鍗充负涓闃剁郴缁燂紝鍏跺懆鏈烼=0.2/(1+10Kh)锛岃繃娓℃椂闂磘s=3T,鏀惧ぇ绯绘暟K=10Ko 鐢遍鎰忥細ts1=10ts,鍗砊1=10T,寰桲h=10.9;K1=K,鍗0.909=10Ko,寰桲o=0.0901 ...
绛旓細鎸変功涓婄殑瑙勫垯鍋氬氨鍙互浜嗭紝涔︿笂涔熸湁绫讳技鐨勪緥棰樸傚ぇ鑷村舰鐘讹細s=0鐨勪袱涓牴娌跨潃姝ｈ礋90搴︾殑娓愯繎绾胯秼鍚戜簬鏃犵┓杩滐紝-3鍝釜鏍规部瀹炶酱鎸囧悜闆剁偣銆俛>3绯荤粺涓嶇ǔ瀹氾紝灏忎簬3绋冲畾锛屼笉璁簁鍙栦綍鍊 娓愯繎绾跨殑浜ょ偣鍧愭爣涓-3+a锛屾墍浠>3涓ゆ潯鏍硅建杩瑰湪s鍙冲崐骞抽潰
绛旓細1.绋虫佽宸笉鍙橈紝鍥犱负绋虫佽宸湅鐨勬槸绯荤粺鐨勪綆棰戞锛屾垨鑰呰绯荤粺鍨嬪埆锛屼笌涓娈垫棤鍏炽2.鐩镐綅瑁曢噺y:鏀瑰杽锛屼负浣縴澧炲ぇ锛寃c灏介噺鍙栧湪鏂滅巼-20鐨勪腑棰戝尯锛屾墍浠ヤ腑棰戝彉澶т竴鑸潵璇磞澧炲ぇ銆3.璋愭尟宄板硷紝鍙樺皬銆侻r=1/ (siny鐨勭粷瀵瑰)銆4.瓒呰皟閲忎负0.16+0.4锛圡r-1锛夛紝鎵浠ュ彉灏 5.璋冩暣鏃堕棿锛氬彉鐭紝鍥犱负...
绛旓細鏄笁涓儻鎬х幆鑺傜殑涔樼Н锛孏锛坰锛=1/[(T1s+1)(T2s+1)(T3s+1)]鈭燝(jw)=-arctanT1w-arctanT2w-arctanT3w,閭ｄ箞T1=1/2锛孴2=1/3锛孴3=1/6锛屾墍浠ワ紝鍏堕鐜囩壒鎬ф槸G(jw)=1/[锛1/2jw+1)(1/3jw+1)(1/6jw+1)]瀹冪殑鐩歌鑼冨洿鏄0鍒-270搴︼紝鐢诲嚭鍏跺鏁扮浉棰戠壒鎬ф洸绾匡紝W=0鏃舵槸0搴︼紝W...
