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(258)  

(259)  = 7-   -  u -    5 ?  ?  5  Vi ,<-  b^2bR  u  - #3 C ?   5 !  b×XdWe^_WcXN^2bgXdVb^XN4PWÑP¦UWÔ¯2zQX/^2b

(260) ´žNZYØz]R^_Q # RUWYOz]R^_Q / XN4P¦~N4WT^_QmW² Ò P

(261) bgX¥b^%„ 0 . K. 0.5. h. DWe^_W¹XN^2bgXdVb^XN4PW~h•T[PWY ^2b²VWYØz]R^_Q K. 0. l. ^_WXN4fµfb^2bÑi]~NZRUVyNyVbh. FE.  7-  .  = ,  , E 3 , - 43 !. 

(262) . 3.8 - :

(263) l , o 3  0 0: / ?> l , o   ?    2 .8 -

(264) : l , o/3  0 0: / ?> l ,  o   

(265) . å æ[&ç"' è!é*-ê¥)èiëè’æ2¤êìè’í|í|"'yî)è’ïØ!#"¤+-"ð%ññ—/ò_ñ¥ð. 

(266)       .

(267)  °

(268)       µUêì*!è’í4!)è¥ê-"&,€æ‚$!’êd$. 021. 3!3. (). KwÄ?XdQ\We^!^_Q¢PQSR}TezWPgN|{SP

(269) bTe]YØaFbgXd\ŽNZRUWFVyN³bUT[Wc­[z~N¤bRUQÂVyN –N4P¦UQSY|T'¶h diagramma di Nichols 10 1.2 1.8. 8 2.2 1.5. 6. 2.7 1.8 3.3. 4 3.9. 2.2. 4.7. 2. 2.7. 5.6. 0. 6.8. 3.3. 8.2. −2. 3.9. 10 4.7 12. 5.6. −4 15. −6. 6.8 8.2. 18 10. 22. −8. 12 27. −10. 15. −260. −240. −220. %•We^_WX—a²NZRgbUfN4QSRUWFVWYØz]R^_Q / K.   !. −200. 0 . /. 4. 

(270) .  -  <. l. −160. −140. −120. −100. h. DWe^_W¹XN^2bgXdVb^XN4PW~h•T[PWY ^2b²VWYØz]R^_Q K. −180. #. , E 43 2 ! . FE  .  h. # o 4  3 2  

(271) . u. - žl # o 4  3 3  =. Vi  - . ? 5   5 ? , - 43 ! C?   5  b×XdWe^_WcXN^2bgXdVb^XN4PWÑP¦UWÔ¯2zQX/^2b

(272) ´žNZYØz]R^_Q # RUWYOz]R^_Q /. K. ^_WXN4fµfb^2bÑi]~NZRUVyNyVbh. . E. - . XN4P¦~N4WT^_QmW² Ò P

(273) bgX¥b^%„. 2 . ,  , E 3 ,<- 43 ! 

(274)  . 38.- :

(275) l , o  0  2 2 3 

(276)   0: / ? > l, o 2 .8 -

(277) : l , o/3  0 0: / ?> l ,  o    2 ? ?  å æ[&ç"' è!é*-ê¥)èiëè’æ2¤êìè’í|í|"'yî)è’ïØ!#"¤+-"ð%ññ—/ò_ñ¥ð. 

(278)       .

(279)  °

(280)       µUêì*!è’í4!)è¥ê-"&,€æ‚$!’êd$ KwÄ?XdQ\We^!^_Q¢PQSR}TezWPgN|{SP

(281) bˆ¯2a²N4T^2b

(282) ´ ­[z~N¤bRUQ×VyN. 021. 3. )*i]~N4T^‚¶h. diagramma di Nyquist 1.5. 1. 0.5 12. 15 18 22 33 47 82 12 27 180 6.8. 10 8.2. 0. 6.8. 4.7 3.3 2.7. 5.6 2.2. −0.5. 4.7. 1.8 1.5. 3.9. −1. −1.5 −2. 1. −1.5. −1. −0.5. %•We^_WX—a²NZRgbUfN4QSRUWFVWYØz]R^_Q / K. /. K. . 0. 0.5. 1. 1.5. 2. h. 2. FE . DWe^_W¹XN^2bgXdVb^XN4PW~h•T[PWY ^2b²VWYØz]R^_Q.  -  <. #. , E 43  !  h. # o 4 # o 4  3 2  3 3 u - žl 

(283)  

(284)  = 7-   -  u -    5 ?  ?  5  Vi ,<-  b^2bR  u  - #3 C ?   5 !  b×XdWe^_WcXN^2bgXdVb^XN4PWÑP¦UWÔ¯2zQX/^2b

(285) ´žNZYØz]R^_Q # RUWYOz]R^_Q / XN4P¦~N4WT^_QmW² Ò P

(286) bgX¥b^%„ 0 . K. 1.2 3.3. l. ^_WXN4fµfb^2bÑi]~NZRUVyNyVbh. . E. - .  =. ,  , E 3 ,<- 43 !  

(287) . 3.8 - :

(288) l , o 3  0 0: / ?> l , o      2 .8 -

(289) : l , o/3  0 0: / ?> l ,  o   ?   å æ[&ç"' è!é*-ê¥)èiëè’æ2¤êìè’í|í|"'yî)è’ïØ!#"¤+-"ð%ññ—/ò_ñ¥ð. 

(290)       .

(291)  °

(292)       µUêì*!è’í4!)è¥ê-"&,€æ‚$!’êd$. 021.         

(293)   

(294)       . 3. ( . .  K. IQSRUTN4VWXN¤baHQÓY†b`³%]RUfN4QSRUW`VyN^X¥bUT_³¥WXNZaHWR^_Qih p. K. 2Sln  o nŽln 2o  .  . lngo. %N¤bU\SX¥baaFbÑVyN )*i]~N4T^µh. diagramma di Nyquist 1.5. 1. 0.5. 0. 8.2 10 12 18. 6.8 5.6. 4.7. −0.5. 3.9. −1. −1.5 −2. K. −1.5. −1. −0.5. 0. 0.5. 1. 1.5. 2. %N¤bU\SX¥baaFbÑVyN )–N4P¦UQSY|Th diagramma di Nichols 80 0.0027 0.0047 0.0082 0.015 0.027 0.047 0.082 0.15 0.27 0.47. 60. 40. 20. 1. 0 6.8. 8.2. 4.7. 5.6. 3.9. 3.3. 2.7. 2.2. 0.82. 1.5. 1.8. 10. −20. −40. 12 15 18 22 27 33 47 68. −60. 100 150 220. −80. 330 470 680. −100 −200. −180. −160. å æ[&ç"' è!é*-ê¥)èiëè’æ2¤êìè’í|í|"'yî)è’ïØ!#"¤+-"ð%ññ—/ò_ñ¥ð. −140. −120. −100. −80. 

(295)       .

(296)  °

(297)       µUêì*!è’í4!)è¥ê-"&,€æ‚$!’êd$. 021. KwÄ?XdQ\We^!^_Q¢PQSR}TezWPgN|{SP

(298) bTe]YØaFbgXd\ŽNZRUWFVyNybaz~N4Wfµfb¢­[z~N¤bRUQ×VyN. 3. )*i]~N4T^‚¶h. diagramma di Nyquist 1.5. 1. 0.5. 0. 10. 12 15 22. 8.2 6.8. −0.5 5.6. −1. 4.7. −1.5 −2. K. K. −1. %•We^_WX—a²NZRgbUfN4QSRUWFVWYØz]R^_Q /. −0.5. 0. 0.5. 1. 1.5. 2. h. /. E    2 , E 43 !   DWe^_W`bR^9N4PgNZzgb^XN4PW~h•T[PWY ^2b²VWYØz]R^_Q # h 0  - <l # o 43 "   žl # o  u -    ?  ?  7-   -  u -   "  43    ? Vi ,<-  b^2bR  u  -    =  5 !  bÝXdWe^_W¿bR^9N4PgNZzgb^XN4PWœP¦UW®¯2zQX/^2b

(299) ´ÌNZYHz]R^_Q # RUWY z]R^_Q / XN4P¦~N4WT^_Q. K. −1.5. . 4. P

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