自动化专业英语
自动化专业英语

自动化专业英语Introduction:Automation has become an integral part of various industries, including manufacturing, transportation, and healthcare. As a result, it is crucial for professionals in the field of automation to have a strong command of English, as it is the lingua franca of the global business world. This text aims to provide a comprehensive overview of key terms, concepts, and skills related to automation in the English language.1. Basic Terminology:1.1 Automation: The use of technology to perform tasks with minimal human intervention.1.2 Control System: A system that manages and regulates the operation of automation equipment.1.3 Programmable Logic Controller (PLC): A digital computer used for automation of electromechanical processes.1.4 Human-Machine Interface (HMI): A device or software that allows interaction between humans and automation systems.1.5 SCADA (Supervisory Control and Data Acquisition): A system that collects and analyzes real-time data from various sensors and devices.2. Automation Systems:2.1 Industrial Automation: The application of automation technology in manufacturing processes to improve productivity and efficiency.2.2 Robotic Automation: The use of robots to perform repetitive tasks in industries such as automotive assembly and packaging.2.3 Process Automation: The automation of chemical, oil, and gas processes to enhance safety and accuracy.2.4 Home Automation: The integration of technology to control and monitor household devices and systems.3. Automation Techniques:3.1 Sensor Technology: Devices that detect and measure physical quantities such as temperature, pressure, and proximity.3.2 Actuators: Devices that convert electrical signals into mechanical motion, such as motors and solenoids.3.3 Feedback Control: A control technique that uses sensors to measure the output ofa system and adjust it accordingly.3.4 Artificial Intelligence (AI): The simulation of human intelligence in machines to perform tasks autonomously.3.5 Machine Learning: A subset of AI that enables machines to learn from data and improve their performance without explicit programming.4. Industrial Applications:4.1 Automotive Industry: Automation is extensively used in car manufacturing, including assembly line robots and quality control systems.4.2 Pharmaceutical Industry: Automation ensures precise dosage and packaging in pharmaceutical production.4.3 Food and Beverage Industry: Automation optimizes food processing, packaging, and quality control processes.4.4 Energy Sector: Automation is crucial in power plant operations, grid management, and renewable energy systems.4.5 Healthcare Industry: Automation is utilized in medical imaging, patient monitoring, and laboratory analysis.5. Skills for Automation Professionals:5.1 Programming: Proficiency in programming languages such as C++, Python, and ladder logic for PLC programming.5.2 Data Analysis: Ability to analyze and interpret data collected from automation systems using statistical methods and software tools.5.3 Troubleshooting: Expertise in identifying and resolving issues in automation systems, including hardware and software components.5.4 Project Management: Skills to plan, execute, and monitor automation projects, ensuring timely completion and adherence to budget.5.5 Communication: Effective communication skills to collaborate with cross-functional teams and articulate technical concepts to non-technical stakeholders.Conclusion:Automation plays a pivotal role in today's industries, and proficiency in English is essential for professionals in the field. This text has provided a comprehensive overview of key terms, concepts, and skills related to automation in the English language. By mastering these aspects, automation professionals can enhance their communication, expand their knowledge, and contribute to the advancement of automation technology.。
自动化专业英语

自动化专业英语自动化专业英语是指在自动化工程领域中使用的英语专业术语和表达方式。
下面是关于自动化专业英语的详细内容:一、自动化概述自动化是指利用计算机技术、电子技术和控制技术等手段实现对生产过程、工程设备和系统的自动控制和管理。
自动化技术在各个领域都有广泛的应用,包括工业生产、交通运输、医疗保健、能源管理等。
二、自动化专业英语词汇1. Automation(自动化): The technique of making an apparatus, a process, or a system operate automatically.2. Control system(控制系统): A system that manages, commands, directs or regulates the behavior of other devices or systems.3. Programmable logic controller (PLC)(可编程逻辑控制器): A digital computer used for automation of electromechanical processes.4. Sensor(传感器): A device that detects and responds to physical input such as light, heat, pressure, or motion.5. Actuator(执行器): A mechanical or electro-mechanical device used to controla physical system.6. SCADA (Supervisory Control and Data Acquisition)(监控与数据采集系统):A system used to monitor and control industrial processes.7. HMI (Human-Machine Interface)(人机界面): The interface between a human operator and a machine or system.8. Robotics(机器人技术): The branch of technology that deals with the design, construction, operation, and application of robots.9. Industrial Internet of Things (IIoT)(工业物联网): The network of interconnected devices, sensors, and systems used in industrial settings.10. Artificial intelligence (AI)(人工智能): The simulation of human intelligence in machines that are programmed to think and learn.三、自动化专业英语常用表达1. "Automatic control" can improve production efficiency and reduce labor costs.自动控制可以提高生产效率,降低劳动成本。
自动化专业英语IntroductionstoOptimalControlSystems课件

专业英语
12
2. 译成汉语的联合复句
He made notes as he was listening to the lecture. (时间状语从句译成汉语的 并列关系)
他边听课,边做记录。
2024年8月5日2时7分
专业英语
13
3. 译成汉语的简单句 When I make a speech, I get nervous. 我演讲时总是有些紧张。
7. compromise n.妥协,和解
8. tractable adj.易驾驭的
9. payload n.有效载荷[负载]
10. vehicle n.车辆,运载工具
11. residual
adj. 剩余的,残留的
12. propellant adj.推进的
n. 推进物,火药
13. velocity n.速度,速率,迅速
optimal control system within limits imposed by physical constraints是并 列宾语。连词that引导的宾语从句作介 词in的宾语。
2024年8月5日2时7分
专业英语
5
(2) In solving problems of optimal control systems, we may have the goal of finding a rule for determining the present control decision, subject to certain constraints which will minimize some measure of a deviation from ideal behavior.
自动化专业英语词汇

induction machine 感应式电机horseshoe magnet 马蹄形磁铁magnetic field 磁场eddy current 涡流right—hand rule 右手定则left-hand rule 左手定则slip 转差率induction motor 感应电动机rotating magnetic field 旋转磁场winding 绕组stator 定子rotor 转子induced current 感生电流time-phase 时间相位exciting voltage 励磁电压solt 槽lamination 叠片laminated core 叠片铁芯short—circuiting ring 短路环squirrel cage 鼠笼rotor core 转子铁芯cast—aluminum rotor 铸铝转子bronze 青铜horsepower 马力random-wound 散绕insulation 绝缘ac motor 交流环电动机end ring 端环alloy 合金coil winding 线圈绕组form—wound 模绕performance characteristic 工作特性frequency 频率revolutions per minute 转/分motoring 电动机驱动generating 发电per-unit value 标么值breakdown torque 极限转矩breakaway force 起步阻力overhauling 检修wind—driven generator 风动发电机revolutions per second 转/秒number of poles 极数speed-torque curve 转速力矩特性曲线plugging 反向制动synchronous speed 同步转速percentage 百分数locked—rotor torque 锁定转子转矩full-load torque 满载转矩prime mover 原动机inrush current 涌流magnetizing reacance 磁化电抗line—to-neutral 线与中性点间的staor winding 定子绕组leakage reactance 漏磁电抗no-load 空载full load 满载Polyphase 多相(的)iron-loss 铁损complex impedance 复数阻抗rotor resistance 转子电阻leakage flux 漏磁通locked—rotor 锁定转子chopper circuit 斩波电路separately excited 他励的compounded 复励dc motor 直流电动机de machine 直流电机speed regulation 速度调节shunt 并励series 串励armature circuit 电枢电路optical fiber 光纤interoffice 局间的waveguide 波导波导管bandwidth 带宽light emitting diode 发光二极管silica 硅石二氧化硅regeneration 再生,后反馈放大coaxial 共轴的,同轴的high-performance 高性能的carrier 载波mature 成熟的Single Side Band(SSB) 单边带coupling capacitor 结合电容propagate 传导传播modulator 调制器demodulator 解调器line trap 限波器shunt 分路器Amplitude Modulation(AM)调幅Frequency Shift Keying(FSK)移频键控tuner 调谐器attenuate 衰减incident 入射的two-way configuration 二线制generator voltage 发电机电压dc generator 直流发电机polyphase rectifier 多相整流器boost 增压time constant 时间常数forward transfer function 正向传递函数error signal 误差信号regulator 调节器stabilizing transformer 稳定变压器time delay 延时direct axis transient time constant 直轴瞬变时间常数transient response 瞬态响应solid state 固体buck 补偿operational calculus 算符演算gain 增益pole 极点feedback signal 反馈信号dynamic response 动态响应voltage control system 电压控制系统mismatch 失配error detector 误差检测器excitation system 励磁系统field current 励磁电流transistor 晶体管high-gain 高增益boost—buck 升压去磁feedback system 反馈系统reactive power 无功功率feedback loop 反馈回路automatic Voltage regulator(AVR)自动电压调整器reference Voltage 基准电压magnetic amplifier 磁放大器amplidyne 微场扩流发电机self-exciting 自励的limiter 限幅器manual control 手动控制block diagram 方框图linear zone 线性区potential transformer 电压互感器stabilization network 稳定网络stabilizer 稳定器air—gap flux 气隙磁通saturation effect 饱和效应saturation curve 饱和曲线flux linkage 磁链per unit value 标么值shunt field 并励磁场magnetic circuit 磁路load-saturation curve 负载饱和曲线air-gap line 气隙磁化线polyphase rectifier 多相整流器circuit components 电路元件circuit parameters 电路参数electrical device 电气设备electric energy 电能primary cell 原生电池energy converter 电能转换器conductor 导体heating appliance 电热器direct—current 直流time invariant 时不变的self—inductor 自感mutual-inductor 互感the dielectric 电介质storage battery 蓄电池e.m。
自动化专业的英语

自动化专业的英语自动化专业是一个涵盖广泛的领域,涉及到机械、电子、计算机、控制等多个学科,是现代工业和科技的重要支撑。
随着全球经济的发展和技术的进步,自动化专业的需求不断增加,成为了许多国家的战略性产业。
因此,掌握自动化专业的英语无疑是非常重要的。
一、自动化专业的英语词汇自动化专业的英语词汇包括了很多专业术语,例如:1. Automation:自动化2. Control system:控制系统3. Sensor:传感器4. Actuator:执行器5. Programmable Logic Controller (PLC):可编程逻辑控制器6. Human-Machine Interface (HMI):人机界面7. Supervisory Control and Data Acquisition (SCADA):监控与数据采集系统8. Distributed Control System (DCS):分布式控制系统9. Robotics:机器人学10. Artificial Intelligence (AI):人工智能以上只是自动化专业中的一小部分英语词汇,学习者需要掌握更多的专业术语,以便更好地理解和应用。
二、自动化专业的英语文献自动化专业的英语文献包括了大量的学术论文、技术报告、标准规范等,这些文献是学习和掌握自动化专业英语的重要资源。
例如: 1. 'Design and Implementation of a Control System for a Mobile Robot':一个移动机器人控制系统的设计与实现2. 'Application of Artificial Intelligence in Industrial Automation':人工智能在工业自动化中的应用3. 'Development of a Supervisory Control System for a Thermal Power Plant':热电厂监控系统的开发4. 'Design and Simulation of a Control System for a Quadrotor UAV':四旋翼无人机控制系统的设计和仿真5. 'Standard for Programmable Logic Controllers (PLCs)':可编程逻辑控制器标准规范以上文献涵盖了自动化专业中的不同领域和应用,学习者可以通过阅读和研究这些文献,提高自己的英语水平和专业知识。
自动化专业英语词汇表

自动化专业英语词汇表自动化专业是应用一系列科学技术和方法,通过使用自动控制系统和自动装置,使生产过程自动进行的一门学科。
在这个专业中经常会遇到一些与自动化相关的英语词汇,下面是一个自动化专业英语词汇表,供大家参考。
一、控制系统相关词汇1.1 控制系统 - Control System1.2 自动控制 - Automatic Control1.3 反馈控制 - Feedback Control1.4 前馈控制 - Feedforward Control1.5 PID控制 - PID Control1.6 闭环控制 - Closed-loop Control1.7 开环控制 - Open-loop Control1.8 控制器 - Controller1.9 传感器 - Sensor1.10 执行器 - Actuator1.11 控制信号 - Control Signal1.12 输出信号 - Output Signal1.13 输入信号 - Input Signal1.14 控制策略 - Control Strategy1.15 控制精度 - Control Accuracy二、自动化设备相关词汇2.1 自动装置 - Automatic Device 2.2 自动机械 - Automated Machinery 2.3 机器人 - Robot2.4 运动控制 - Motion Control2.5 伺服系统 - Servo System2.6 步进电机 - Stepper Motor2.7 传动装置 - Transmission Device 2.8 传动比 - Gear Ratio2.9 电气驱动 - Electrical Drive2.10 液压驱动 - Hydraulic Drive2.11 气动驱动 - Pneumatic Drive 2.12 PLC程序 - PLC Program2.13 HMI界面 - HMI Interface2.14 人机交互 - Human-Machine Interaction2.15 自动化线 - Automation Line三、控制算法相关词汇3.1 模糊控制 - Fuzzy Control3.2 神经网络控制 - Neural Network Control 3.3 遗传算法 - Genetic Algorithm3.4 自适应控制 - Adaptive Control3.5 模型预测控制 - Model Predictive Control 3.6 最优控制 - Optimal Control3.7 鲁棒控制 - Robust Control3.8 软件开发 - Software Development3.9 编程语言 - Programming Language3.10 程序调试 - Program Debugging3.11 系统优化 - System Optimization3.12 数据采集 - Data Acquisition3.13 实时控制 - Real-time Control3.14 开发工具 - Development Tool3.15 算法设计 - Algorithm Design四、自动化监控相关词汇4.1 监控系统 - Monitoring System 4.2 故障诊断 - Fault Diagnosis4.3 警报系统 - Alarm System4.4 远程监控 - Remote Monitoring 4.5 数据分析 - Data Analysis4.6 数据可视化 - Data Visualization 4.7 运行状态 - Operating Status4.8 故障报警 - Fault Alarm4.9 监控设备 - Monitoring Equipment 4.10 实时监测 - Real-time Monitoring 4.11 数据记录 - Data Logging4.12 故障排除 - Trouble Shooting 4.13 监测指标 - Monitoring Index 4.14 运行参数 - Operating Parameters 4.15 监测报告 - Monitoring Report总结:以上是自动化专业英语词汇表,涵盖了控制系统、自动化设备、算法和监控等多个方面的词汇。
自动化专业 英语

自动化专业英语Automation Engineering ProgramAutomation Engineering is a specialized field that combines engineering, computer science, and control theory. The focus of this program is on the design, development, and implementation of systems that can operate with minimal human intervention.The curriculum of the Automation Engineering Program includes courses in mathematics, physics, programming, robotics, control systems, and industrial automation. Students are also trained in the use of software tools such as MATLAB, LabVIEW, and Simulink.The program equips students with the skills needed to design and develop robotic systems, control systems, and embedded systems. They learn how to integrate sensors, actuators, and controllers to create automated solutions for various industries such as manufacturing, agriculture, and healthcare.Graduates of the Automation Engineering Program are in high demand in the job market. They can work as automation engineers, robotics engineers, control systems engineers, or embedded systems engineers. They can also work in research anddevelopment, product design, or project management.Overall, the Automation Engineering Program offers students a unique blend of theoretical knowledge and practical skills that prepare them for a successful career in the field of automation.。
自动化专业英语词汇

induction machine 感应式机电horseshoe magnet 马蹄形磁铁magnetic field 磁场eddy current 涡流right-hand rule 右手定则left-hand rule 左手定则slip 转差率induction motor 感应电动机rotating magnetic field 旋转磁场winding 绕组stator 定子rotor 转子induced current 感生电流time-phase 时间相位exciting voltage 励磁电压solt 槽lamination 叠片laminated core 叠片铁芯short-circuiting ring 短路环squirrel cage 鼠笼rotor core 转子铁芯cast-aluminum rotor 铸铝转子bronze 青铜horsepower 马力random-wound 散绕insulation 绝缘ac motor 交流环电动机end ring 端环alloy 合金coil winding 线圈绕组form-wound 模绕performance characteristic 工作特性frequency 频率revolutions per minute 转/分motoring 电动机驱动generating 发电per-unit value 标么值breakdown torque 极限转矩breakaway force 起步阻力overhauling 检修wind-driven generator 风动发机电revolutions per second 转/秒number of poles 极数speed-torque curve 转速力矩特性曲线plugging 反向制动synchronous speed 同步转速percentage 百分数locked-rotor torque 锁定转子转矩full-load torque 满载转矩prime mover 原动机inrush current 涌流magnetizing reacance 磁化电抗line-to-neutral 线与中性点间的staor winding 定子绕组leakage reactance 漏磁电抗no-load 空载full load 满载Polyphase 多相(的)iron-loss 铁损complex impedance 复数阻抗rotor resistance 转子电阻leakage flux 漏磁通locked-rotor 锁定转子chopper circuit 斩波电路separately excited 他励的compounded 复励dc motor 直流电动机de machine 直流机电speed regulation 速度调节shunt 并励series 串励armature circuit 电枢电路optical fiber 光纤interoffice 局间的waveguide 波导波导管bandwidth 带宽light emitting diode 发光二极管silica 硅石二氧化硅regeneration 再生, 后反馈放大coaxial 共轴的,同轴的high-performance 高性能的carrier 载波mature 成熟的Single Side Band(SSB) 单边带coupling capacitor 结合电容propagate 传导传播modulator 调制器demodulator 解调器line trap 限波器shunt 分路器Amplitude Modulation(AM)调幅Frequency Shift Keying(FSK)移频键控tuner 调谐器attenuate 衰减incident 入射的two-way configuration 二线制generator voltage 发电机电压dc generator 直流发机电polyphase rectifier 多相整流器boost 增压time constant 时间常数forward transfer function 正向传递函数error signal 误差信号regulator 调节器stabilizing transformer 稳定变压器time delay 延时direct axis transient time constant 直轴瞬变时间常数transient response 瞬态响应solid state 固体buck 补偿operational calculus 算符演算gain 增益pole 极点feedback signal 反馈信号dynamic response 动态响应voltage control system 电压控制系统mismatch 失配error detector 误差检测器excitation system 励磁系统field current 励磁电流transistor 晶体管high-gain 高增益boost-buck 升压去磁feedback system 反馈系统reactive power 无功功率feedback loop 反馈回路automatic Voltage regulator(AVR)自动电压调整器reference Voltage 基准电压magnetic amplifier 磁放大器amplidyne 微场扩流发机电self-exciting 自励的limiter 限幅器manual control 手动控制block diagram 方框图linear zone 线性区potential transformer 电压互感器stabilization network 稳定网络stabilizer 稳定器air-gap flux 气隙磁通saturation effect 饱和效应saturation curve 饱和曲线flux linkage 磁链per unit value 标么值shunt field 并励磁场magnetic circuit 磁路load-saturation curve 负载饱和曲线air-gap line 气隙磁化线polyphase rectifier 多相整流器circuit components 电路元件circuit parameters 电路参数electrical device 电气设备electric energy 电能primary cell 原生电池energy converter 电能转换器conductor 导体heating appliance 电热器direct-current 直流time invariant 时不变的self-inductor 自感mutual-inductor 互感the dielectric 电介质storage battery 蓄电池e.m.f = electromotive fore 电动势unidirectional current 单方向性电流circuit diagram 电路图load characteristic 负载特性terminal voltage 端电压external characteristic 外特性conductance 电导volt-ampere characteristics 伏安特性carbon-filament lamp 碳丝灯泡ideal source 理想电源internal resistance 内阻active (passive) circuit elements 有(无)源电路元件leakage current 漏电流circuit branch 支路P.D. = potential drop 电压降potential distribution 电位分布r.m.s values = root mean square values 均方根值effective values 有效值steady direct current 恒稳直流电sinusoidal time function 正弦时间函数complex number 复数Cartesian coordinates 笛卡儿坐标系modulus 模real part 实部imaginary part 虚部displacement current 位移电流trigonometric transformations 瞬时值epoch angle 初相角phase displacement 相位差signal amplifier 小信号放大器mid-frequency band 中频带bipolar junction transistor (BJT)双极性晶体管field effect transistor (FET)场效应管electrode 电极电焊条polarity 极性gain 增益isolation 隔离分离绝缘隔振emitter 发射管放射器发射极collector 集电极base 基极self-bias resistor 自偏置电阻triangular symbol 三角符号phase reversal 反相infinite voltage gain 无穷大电压增益feedback component 反馈元件differentiation 微分integration 积分下限impedance 阻抗fidelity 保真度summing circuit 总和路线反馈系统中的比较环节Oscillation 振荡inverse 倒数admittance 导纳transformer 变压器turns ratio 变比匝比ampere-turns 安匝(数)mutual flux 交互(主)磁通vector equation 向(相)量方程power frequency 工频capacitance effect 电容效应induction machine 感应机电shunt excited 并励series excited 串励separately excited 他励self excited 自励field winding 磁场绕组励磁绕组speed-torque characteristic 速度转矩特性dynamic-state operation 动态运行salient poles 凸极excited by 励磁field coils 励磁线圈air-gap flux distribution 气隙磁通分布direct axis 直轴armature coil 电枢线圈rotating commutator 旋转(整流子)换向器commutator-brush combination 换向器-电刷总线mechanical rectifier 机械式整流器armature m.m.f. wave 电枢磁势波Geometrical position 几何位置magnetic torque 电磁转矩spatial waveform 空间波形sinusoidal –density wave 正弦磁密度external armature circuit 电枢外电路instantaneous electric power 瞬时电功率instantaneous mechanical power 瞬时机械功率effects of saturation 饱和效应reluctance 磁阻power amplifier 功率放大器compound generator 复励发机电rheostat 变阻器self –excitation process 自励过程commutation condition 换向状况cumulatively compounded motor 积复励电动机operating condition 运行状态equivalent T –circuit T型等值电路rotor (stator) winding 转子(定子绕组)winding loss 绕组(铜)损耗prime motor 原动机active component 有功分量reactive component 无功分量electromagnetic torque 电磁转矩retarding torque 制动转矩inductive component 感性(无功)分量abscissa axis 横坐标induction generator 感应发机电synchronous generator 同步发机电automatic station 无人值守电站hydropower station 水电站process of self –excitation 自励过程auxiliary motor 辅助电动机technical specifications 技术条件voltage across the terminals 端电压steady –state condition 瞬态暂态reactive in respect to 相对….性active in respect to 相对….呈阻性synchronous condenser 同步进相(调相)机coincide in phase with 与….同相synchronous reactance 同步电抗algebraic 代数的algorithmic 算法的1--master element主要元件,是指控制开关等元件。
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B:Switch-mode DC-to AC Inverters SwitchDC• Rectifying:整流, 将交流电能变成直流电能 Rectifying:整流, • Inverting: 逆变 , 而将直流电能转变成交流 Inverting: 逆变,
电能,相应的装置就称为逆变器 (Inverter)。 Inverter)
corresponding to the generalized amplifiers is that the gains, AU or AI, depend upon internal properties of the twotwo-port system. system. • 对于一般的放大器。一个问题是其增益AU 对于一般的放大器。一个问题是其增益AU 或者AI取决于两端口系统的内部特性。 或者AI取决于两端口系统的内部特性。
obtained by amplifying the error, or the difference between the actual output voltage and its desir输出电压与期
望的电压之差放大后得到。 望的电压之差放大后得到。
专业词汇
• 电气工程 • 自动控制 • 计算机
考试
• 考试内容全部来自教材内 • 阅读:50% 阅读:50% • 翻译:35% 翻译:35% • 写作:15% 写作:15% • 不能带词典
要求
• 生词记熟 • 每篇课文至少读三遍
– 课前1遍 课前1 – 课内1遍 课内1 – 课后1遍 课后1
课前预习
• • • • • • •
resonance n. 谐振 utility relay 继电保护 notch n. 缺口 proliferation n. 扩大、扩 散 electromagnetic interference 电磁干扰 unipolar a. 单极性的 unidirectional a. 单方向的
kilohertz n. 千赫芝 dissipate vt. 消耗 low-pass 低通 lowinstantaneous ad. 瞬间的 fluctuate v. 波动、起伏 force commutated 强制换 流 duty ratio 占空比
• The control voltage signal generally is
• Operational amplifiers are differential
devices • 运算放大器为差动装置
• 通读“Transistors”一至两遍。并回答以下问题: 通读“Transistors”
– What is semiconductor material? – Normally how many leads does a transistor get? – What are the three polarities of a transistor? 2、Please translate the second paragraph of “The Operational Amplifier” into Chinese. Amplifier”
章内容的大约50%,快速地获取中心意思 章内容的大约50%,快速地获取中心意思 和重点。 • Scanning:浏览或者查阅。查阅只需要从 Scanning:浏览或者查阅。查阅只需要从 文章中有目的地迅速查找某一具体事实或 者特定信息。 • Fast reading:快速阅读。速度为200~350 reading:快速阅读。速度为200~350 WPM。要求基本上理解文章内容。 WPM。要求基本上理解文章内容。 • 精读:在阅读的同时对文章从各方面进行 分析。
New words
• power electronics technology: 电力电子技术 • resultant a. (作为)结果(而产生)的、结局的、 • • •
最后的 be proportional to: 与……成比例 to: ……成比例 summation n. 相加、累加、求和 proportionality constant 比例常数、比例系数
• 为了制动图1-5B-1,中的交流电动机,电动机和电 为了制动图1 中的交流电动机,
动机负载的动能被转化为电能;此时电动机成为 一个发电机。 一个发电机。
• The energy recovered during the braking of the
ac motor can be dissipated in a resistor, which can be switched in parallel with the dc-bus dccapacitor for this purpose in Fig 1-5B-1.
New words
• Uninterruptible power • • • • • •
supplies (UPS) 不间断电 源 utility grid 公用电网 malfunction n. 故障 line frequency 工频 substantial a. 基本的、本 质的 cosine n. 余弦 distortion n. 畸形、畸变
• 交流电动机制动过程所转换的电能可以消耗在一
个电阻上。 该电阻在制动过程中被接入 , 个电阻上 。 该电阻在制动过程中被接入, 并且与 直流母线上的电容相并联。 直流母线上的电容相并联。
UNIT 6
The Utility Interface with Power Electronic System
• To slow down the ac motor in Fig 1-5B-1, the
kinetic energy associated with the inertia of the motor and its load is recovered and the ac motor acts as a generator. generator.
• • • • • • •
buck converter 降压变换器 boost converter 升压变换器 steady state 稳态 filter n. 滤波器 impedance n. 阻抗 duration n. 持续(时间) saw-tooth 锯齿(波) saw-
• • • • • • •
自动化专业英语
课程性质和目的
• 初步掌握自动化专业的专业词汇和常用表
达方法; • 能够借助专业词典阅读和翻译专业资料、 专业教材、与自动化技术有关的说明书、 手册或者其它技术资料; • 能够初步撰写专业论文摘要和常用应用文。
文献范围
• • • • • • • • •
电路(Theory Circuit) 电路(Theory of Circuit) 模拟电子技术(Analog 模拟电子技术(Analog Electronics Technology) Technology) 数字电子技术(Digital 数字电子技术(Digital Electronics Technology) Technology) 电机学(Theory 电机学(Theory of Electric Electric Motors) Motors) 自动控制理论(Automatic 自动控制理论(Automatic Control Theory) Theory) 现代控制理论(Modern 现代控制理论(Modern Control Theory) Theory) 微机原理(Principle Microcomputer) 微机原理(Principle of Microcomputer) 计算机控制技术(Computer 计算机控制技术(Computer Control Techniques) Techniques) 过程控制系统(Process 过程控制系统(Process Control System) System)
Ohm’ Ohm’s Law, Faraday’s law, Kerchhoff’s first Faraday’ Kerchhoff’ law, the law of gravity. • 定义 definition:表达基本特征的说明 definition:表达基本特征的说明 • 定理 theorem: 在已明晰的假设基础上已被证 明或将被证明的命题
• 通读课文1遍 通读课文1 • 生词查出 • 在页边按1、5、10……标上页内行标。页 在页边按1 10……标上页内行标。页
内行标的标注办法:大标题、图形、图题、 表格不算一行,公式、小标题算一行。
阅读方法
• Skimming:浏览或者略读。只需要理解文 Skimming:浏览或者略读。只需要理解文
• 用三相传输法所消耗的铜只相当于单相传
输法所传输同等电量所用铜的四分之三。 输法所传输同等电量所用铜的四分之三。
New words
• Gain 增益 • on the order of …… 在……数量级 ……数量级 • KVL Kirchhoff Voltage Law
• One problem with electronic devices
New words
• Power factor :功率因数 • phasor :相图、相量 • vector :向量,矢量
• the distribution of three-phase power threerequires only three-fourths as much line threecopper as does the single-phase singledistribution of the same amount of power. power.
•
英语阅读时要注意的几个问题
• 注意转折词 • 以意群为单位进行阅读 • 注意文章的类型 • 注意整体把握
UNIT 5