自动控制理论试题及答案

如此情况下，我们该如何当老师呢？梁教授通过分享自己在实际中如何去安排复杂多样的工作任务、生活的琐事therealimplementationofthequasi,ruthless.Tough,requirement,carryforwardthespiritofanail,andthecorrectivemeasuresTheimplementationofthenerveendings,donotlettherectificationisnotinplace,nottoretreat,thepeoplearenotsatisfied.Pinfouristoadheretothereformandinnovation.Toreformthewayofthinkingandinnovativecouragetoturnstyle,againstfourwinds,thecouragetofacethecontradictions,goodatsolvingthechronicills,daretobreaktheoutdatedcustomsandbadhabitsHenshaunhealthytendencies,trees,freshhealthy.Thefiveistoadheretotacklingtheproblem.ThatisthewindSuJiandtheeducationsupervisioncombined,inordertoestablishanewsystemtopromotethenormalizationofstylebuilding,long-term,toenhancethepartyspiritofhonestandpragmaticpeoplethoughtconsciousaction.Thesixistoinsistonthecompletionofthethirdgrasptheoverallsituation.ActivityandendThisyearthegoalofsafetyproductionworkplanfornextyear,worktogether,topromotetheactivitiesandtheworkofproductionsafetywithbothhands,twopromotion,twonotmistake.Two,rectificationoftheoverallobjectivesandspecificobjectives:(a)theoverallpatharoundthefourfocus,carriedouttheoutstandingproblemsofthespecialrectification,thefullimplementationofthecentralandprovincialPartycommitteecleartherectificationtask,effectivelycurbthefourwinds,realizetheoverallimprovementofPartyandgovernment.Thepointis:focusonthepeople,thepeople,convenience,andresolutelycurbthebureaucraticstyleofwork;lookingtostimulategrassrootsvitality,resolutelycurbtheWenshansea;focusonthecadreshonest,cleangovernment,politics,andresolutelycurbexceedthestandardQuasioccupiedofficespace,Gongjusiyong,publicfunds,extravaganceofthewind;focusonestablishacorrectviewofachievements,theconceptofpower,andresolutelycurbactsagainsttheinterestsofthemasses.Acceleratethesystemreformandconstruction,improvethepeoplehonestandpragmaticnormalizationsystem,constantlyconsolidateandexpandeducationalpracticeachievements,makepeoplesatisfied.Therecentreformgoal:PoliticalQualityBureauandallPartymembersandcadres,furtherimprovethequalityofthebusiness;thefourwinds,twoproblemhasbeeneffectivelysolved.Themiddlegoalofthereform:oppositionpartyandgovernmentausteritywaste二000年下半年高等教育自学考试全国统一命题考试自动控制理论试题（电力系统及其自动化专业·本科）本试题分两部分，第一部分为选择题，1页至2页，第二部分为非选择题，2页至8页，共8页，共8页；选择题20分，非选择题80分，满分100分。考试时间150分钟。第一部分选择题一、单项选择题（本大题共15小题，前10小题每题1分，后5小题每题2分，共20分）在每小题列出的四个选项中有一个选项是符合题目要求的，请将正确选项前的字母填在题后的括号内。1.实际生产过程的控制系统大部分是【】A.一阶系统B.二阶系统Ｃ.低阶系统Ｄ.高阶系统２.若开环传递函数G(s)H(s)不存在复数极点和零点，则【】Ａ.没有出射角和入射角Ｂ.有出射角和入射角C.有出射角无入射角落D.无出射角有入射角3.若开环传递函数为1)(TssKsG,此时相位裕量和Ｋ的关系是【】A.随K增加而增大B.随K增大而减小C.以上都不是D.与K值无关4.超前校正装置的最大超前相角【】A.11sin1B.11sin1C.11cos1D.11cos15.对于同一系统的状态变量和状态空间描述具有【】Ａ.状态变量具有唯一性，状态空间描述具有非唯一性Ｂ.状态变量具有非唯一性，状态空间描述具有唯一性Ｃ.状态变量具有非唯一性，状态空间描述也具有非唯一性Ｄ.状态变量具有唯一性，状态空间描述也具有唯一性6.在工程问题中，常用______数学模型来表达实际的系统。【】如此情况下，我们该如何当老师呢？梁教授通过分享自己在实际中如何去安排复杂多样的工作任务、生活的琐事therealimplementationofthequasi,ruthless.Tough,requirement,carryforwardthespiritofanail,andthecorrectivemeasuresTheimplementationofthenerveendings,donotlettherectificationisnotinplace,nottoretreat,thepeoplearenotsatisfied.Pinfouristoadheretothereformandinnovation.Toreformthewayofthinkingandinnovativecouragetoturnstyle,againstfourwinds,thecouragetofacethecontradictions,goodatsolvingthechronicills,daretobreaktheoutdatedcustomsandbadhabitsHenshaunhealthytendencies,trees,freshhealthy.Thefiveistoadheretotacklingtheproblem.ThatisthewindSuJiandtheeducationsupervisioncombined,inordertoestablishanewsystemtopromotethenormalizationofstylebuilding,long-term,toenhancethepartyspiritofhonestandpragmaticpeoplethoughtconsciousaction.Thesixistoinsistonthecompletionofthethirdgrasptheoverallsituation.ActivityandendThisyearthegoalofsafetyproductionworkplanfornextyear,worktogether,topromotetheactivitiesandtheworkofproductionsafetywithbothhands,twopromotion,twonotmistake.Two,rectificationoftheoverallobjectivesandspecificobjectives:(a)theoverallpatharoundthefourfocus,carriedouttheoutstandingproblemsofthespecialrectification,thefullimplementationofthecentralandprovincialPartycommitteecleartherectificationtask,effectivelycurbthefourwinds,realizetheoverallimprovementofPartyandgovernment.Thepointis:focusonthepeople,thepeople,convenience,andresolutelycurbthebureaucraticstyleofwork;lookingtostimulategrassrootsvitality,resolutelycurbtheWenshansea;focusonthecadreshonest,cleangovernment,politics,andresolutelycurbexceedthestandardQuasioccupiedofficespace,Gongjusiyong,publicfunds,extravaganceofthewind;focusonestablishacorrectviewofachievements,theconceptofpower,andresolutelycurbactsagainsttheinterestsofthemasses.Acceleratethesystemreformandconstruction,improvethepeoplehonestandpragmaticnormalizationsystem,constantlyconsolidateandexpandeducationalpracticeachievements,makepeoplesatisfied.Therecentreformgoal:PoliticalQualityBureauandallPartymembersandcadres,furtherimprovethequalityofthebusiness;thefourwinds,twoproblemhasbeeneffectivelysolved.Themiddlegoalofthereform:oppositionpartyandgovernmentausteritywasteＡ.精确的Ｂ.复杂的C.简化的Ｄ.类似的７.正弦输入函数r(t)的数学表达式是【】A.ttrsin)(rB.)si