【正文】 s 10 mustsee animations】 The Chinese animation industry has seen considerable growth in the last several years. It went through a golden age in the late 1970s and 1980s when successively brilliant animation work was produced. Here are 10 mustsee classics from China39。s feud with Nezha over his son39?？梢钥吹剑撓到y(tǒng)有 3個(gè)開環(huán)極點(diǎn)和 3個(gè)開環(huán)零點(diǎn)，因此根軌跡有 3個(gè)分支，它們的起點(diǎn)是開環(huán)極點(diǎn) 0,+ ，終點(diǎn)是開環(huán)零點(diǎn) 2,+ 和 ，根軌跡的一個(gè)分支從極點(diǎn) 0開始，終于零點(diǎn) 2；另兩條分支分別從極點(diǎn) + 和 開始，從圓弧變化，最后分別終于零點(diǎn) +和 。 Kv=dcgain(rss*Gk) essv=1/Kv essv = 第 6 章 一、填空題 1. 所謂根軌跡，是指控制系統(tǒng)開環(huán)傳遞函數(shù)的某一參數(shù)（如開環(huán)增益）從 變化到 時(shí)， 在 s 平面上移動(dòng)的軌跡。 clc。 clc。《控制系統(tǒng) CAD》形成性考核冊(cè) 1 控制系統(tǒng) CAD 作業(yè) 3 第 5 章 一、填空題 1. 在控制系統(tǒng)時(shí)域 分析時(shí)，常用的時(shí)域動(dòng)態(tài)性能指標(biāo)有： 上升時(shí)間 tr、 、 和 。 三 、 編程 題 1. 典型二階系統(tǒng)傳遞函數(shù)為： 222() 2 nnnGs ss??? ?? ??，阻尼比 ζ的值為 ，試編制程序繪制出自然振蕩角頻率 ωn從 1 變化到 10（每次遞增 2）的單位階躍響應(yīng) 曲線，并對(duì)系統(tǒng)的動(dòng)態(tài)性能的變化作定性分析。 《控制系統(tǒng) CAD》形成性考核冊(cè) 3 2. 設(shè)單位反饋系統(tǒng)的開環(huán)傳遞函數(shù)：2 49() ss? ?，試求系統(tǒng)的單位階躍響應(yīng)的性能指標(biāo) σ％、 tS（ 2％誤差帶）。 rss=tf([1 0],[0 1])。 rlocus(G)； p=roots(den) z=roots(num) p = 0 + 《控制系統(tǒng) CAD》形成性考核冊(cè) 6 z = + 2 . 5 2 1 . 5 1 0 . 5 0 0 . 5 1 2 . 52 1 . 51 0 . 500 . 511 . 522 . 5Ro o t L o c u sRe a l A x isImaginary Axis 圖中顯示了該系統(tǒng)的根軌跡。s natural scenery. Pleasant Goat and Big Big Wolf【喜洋洋與灰太狼】 Pleasant Goat and Big Big Wolf (Chinese:喜羊羊與灰太狼 ) is a Chinese animated television series. The show is about a group of goats living on the Green Pasture, and the story revolves around a clumsy wolf who wants to eat them. It is a popular domestic animation series and has been adapted into movies. Nezha Conquers the Dragon King（ Chinese: 哪吒鬧海） is an outstanding animation issued by the Ministry of Culture in 1979 and is based on an episode from the Chinese mythological novel Fengshen Yanyi. A mother gave birth to a ball of flesh shaped like a lotus bud. The father, Li Jing, chopped open the ball, and beautiful boy, Nezha, sprung out. One day, when Nezha was seven years old, he went to the nearby seashore for a swim and killed the third son of the Dragon King who was persecuting local residents. The story primarily revolves around the Dragon King39。s animation outpouring that are not to be missed. Let39。 rlocus(sys)。(y(n)*Cend) % 通過循環(huán)求取單位階躍響應(yīng)首次進(jìn)入 177。 den=[1,2*dr*wn(j),0]。 （ roots()、 zpkdata