自动化专业英语(王树青)第三版课后答案 PPT课件

1 自动化专业英语 课后作业答案 2 1 1IntroductiontoProcessControl 2 Putthefollowingintochineseperformance性能processplant过程系统processcontrol过程控制reference参考operatingconditions运行条件disturbance扰动 干扰Automaticcontrol自动控制Manualcontrol手动控制 人工控制Perfectcontrol完美控制Feedbackcontrol反馈控制Setpoint设定值Controlledvariable被控变量 2 3 3PutthefollowingintoEnglish带搅拌加热器stirred tankheater密度density比热容specificheatcapacity热容heatcapacity热损失heatloss负反馈negativefeedback正反馈positivefeedback前馈控制策略feedforwardcontrolstrategy控制器controller 3 1 1IntroductiontoProcessControl 4 1 2Whatisfeedbackandwhatareitseffects 2 PutthefollowingintochineseStability稳定性sensitivity灵敏度Actuator执行器sensor传感器Transducer传感器linearquadraticregulator线性二次调节器Linearquadratic线性二次型controller控制器Simulation仿真temperature温度Flowrate流速pressure压力Concentration浓度level液位 液面 4 5 1 2Whatisfeedbackandwhatareitseffects 3PutthefollowingintoEnglish幅值magnitude相角phase闭环closed loop开环open loop可编程逻辑控制器programmablelogiccontroller PLC 模型model黑箱black box经验模型empiricalmodel比例proportional比例加微分proportionalplusderivative PD 比例加积分proportionalplusintegral PI 比例加积分加微分proportionalplusintegralplusderivative PID 5 6 1 3Stabilityofclosed loopcontrolsystems 2 PutthefollowingintochineseOscillatory振动的damp衰减Unstable不稳定地complexnumber复数Controlledvariable被控变量Manipulatedvariable操纵变量Loadvariable负载变量error误差Processtransferfunction过程传递函数Pole zerocancellation零极相消Self regulating自调节 6 7 1 3Stabilityofclosed loopcontrolsystems 3PutthefollowingintoEnglish判据criteria拉氏变换Laplacetransform零点zero point极点pole point特征方程characteristicequation系数parameter coefficient偏差变量deviationvariable比较器comparator伺服问题servoproblem给定变化givenchanges负载变化loadfluctuation variationinload 7 8 1 4Thedesignprocessofcontrolsystem 2 PutthefollowingintochineseDesign设计decision决定 决策Methodology方法论productivity生产率 生产力Investment投资fundamental基础的Evaluating评价benifit利润 益处Distillationcolumn分裂蒸馏塔Overhead在头上的 高架的processdynamic过程动态Manipulatableinput可操作输入observableoutput可观测输出Measurabledisturbance可测量扰动 8 9 1 4Thedesignprocessofcontrolsystem 3PutthefollowingintoEnglish控制系统设计controlsystemdesign设计模型designmodel炼油oilrefinery化工chemical engineering 电力 electric power造纸paper making 水泥cement纺织textile塑料plastic钢铁steel ironandsteel 航空航天aerospace AeronauticsandAstronautics 再沸器reboiler 9 10 1 5Controllertunning 2 PutthefollowingintochineseSetting设置tunning整定 调节Trialanderror试差法guideline方针 指南Averagingcontrol平均控制residencetime滞留时间Eliminate消除ultimategain临界增益Time consuming耗时的continuouscyclingmethod连续周期法Decayratio衰减比率Processreactioncurvemethod过程响应曲线法Ziegler Nicholstunning齐格勒 尼柯尔斯整定法 10 11 1 5Controllertunning 3PutthefollowingintoEnglish流量控制flowcontrol液面控制levelcontrol压力控制pressurecontrol温度控制temperaturecontrol成分控制compositioncontrol临界增益法ultimategainmethod临界周期ultimatecycling超调overshoot热交换器heatexchanger化学反应器chemicalreactor汽化器vaporization carburettor 11 12 2 1Pressuremeasurements 1 PutthefollowingintochineseAtmosphericpressure大气压absolutepressure绝压Gaugepressure表压differentialpressure差压Totalvacuum完全真空diaphragm膜片Capsule膜盒bellow波纹管Bourdontube波登管silicondiaphragm硅膜片 12 13 2 1Pressuremeasurements 2 PutthefollowingintoEnglish英制Britishsystem公制metricsystem扩散硅压力传感器diffusesiliconpressuresensor压力传感器pressuresensor差压变送器differentialpressuretransmitter压力传感器元件pressuresensorelement波登管压力表Burdontubepiezometer Burdontubepressuregauges 13 14 2 2Levelmeasurements 1 PutthefollowingintochineseLevelmeasurement液位测量container容器Interface界面buoyancy浮力Immersed浸没radium镭Capacitiveprobe电容电极nonconductive不导电的Dielectricconstant介电常数sightglass玻璃液面计Float浮体 浮球 浮标levelformula液位公式 14 15 2 2Levelmeasurements 2 PutthefollowingintoEnglish密度density浮力式液面计buoyancylevelmeter浮球float标尺scale电位计potentiometer导电电极conductiveprobe电容电极capacitiveprobe超声波ultrasonicwave张力式仪表tensiongauge应变仪straingauge荷重传感器loadsensor 15 16 2 3Flowmeasurements 1 PutthefollowingintochineseFlowrate流速accounting统计 计算Laminarflow层流energylosses能量损失Totalflow总体流量pressureenergy压能Kineticenergy动能potentialenergy势能Restriction约束 限制orificeplate孔板Venturitube文丘里管flownozzle测流嘴Elbow肘 弯管接头rotameter转子流量计Massflow质量流 16 17 2 3Flowmeasurements 2 PutthefollowingintoEnglish雷诺数Reynoldsnumber流型flowpatterns伯努利方程Bernoulliequation流速flowrate湍流turbulentflow黏度viscosity能量守恒energyconservatism摩擦力friction参考点refrencepoint重力加速度accofgravity连续性方程continuityequation 17 18 2 4Temperaturemeasurements 2 PutthefollowingintochineseSphere范围fundamentalstandard基本标准Absolutestandard绝对标准thermoeletriceffect热电势效应Resistencechange电阻变化thermography热像仪Thermalexpansion热膨胀resonantfrequency谐振频率Fiberoptic光纤acousticthermometry声测温技术Colorchange颜色变化expensive贵的Ceramicbeaded陶瓷珠状junction连接点 18 19 2 4Temperaturemeasurements 3 PutthefollowingintoEnglish热电偶thermocouple热电阻thermalresistance冰点freezingpoint沸点boilingpoint固态solid state 液态liquid state 气态gaseous state 国际实用温标Internationalpracticaltemperaturescale IPTS 物理原理physicalprinciple电动势electromotiveforce e m f 不锈钢stainlesssteel接地的grounded隔离isolated 19 20 2 5actuators 2 PutthefollowingintochineseControlvalue控制阀valueposition阀门定位Electricmotoractuator电动执行器damper阻尼器Variablespeedpump变速泵diaphramarea膜片面积Pneumaticpressure气压Fail safeaction自动防护动作air to open气开式Packingboxfriction压缩盒摩擦力hysteresis滞后现象Converters转换器gearratio齿轮