2010—2011学年第1学期
《专业外语2-1》补考试卷
(适用专业：自动化，测控)
专业班级
姓名
学号
开课系室信控学院自动化系
考试日期
题号一二三四五总分得分
阅卷人
一，Translate the followings into Chinese (1 point each, total of 20 points)
1.manual control [自] 手动控制；[计] 人工控制
2.empirical modeling 统计] 经验模型
3.phase error compensation 位相误差补偿
4.step response [电子] 阶跃响应；[电子] 瞬态特性
5.differential pressure [流] 压差
6.resonant peak 振峰值
feedback coefficient 反馈系数Feedback Control Gain Coefficient：反馈增益coefficient feedback：温度系数反馈
limeter/centimeter/kilometer 毫米厘米，公分公里，千米
8.accuracy/sensitivity/reliability n. 精确度，准确性n. 敏感；敏感性；[医]过敏n. 可
靠性
9.amplitude/frequency/phase n. 振幅；n. 频率；n. 相；位相；
10. try-and-error tuning try-and-error tuning try-and-error调谐
10.measured variable 被测变量；测定变量
11.system protection 系统保护
maximum overshoot maximum overshoot：最大超调量；最大过冲；最大超越量
maximum percent overshoot：最大超越量
12.analog/digital filter 模拟[电子] 数字滤波器
13.impulse function 数] 脉冲函数；冲力函数；冲击函数
14.volumetric flowmeter 体积式量计；[仪] 容积式流量计
15.upper limit value Attribute Upper Limit Value属性上界值
16.pressure/temperature/level n. 压力；压迫，压强n. 温度n. 水平；水平面；标准
17.block diagram 框图；方块图
二，Translate the followings into English (1 point each, total of 20 points)
1.过程变量Process Variable ；process variable ；Process Variation
2.闭环控制[close-cycle; closed-cycle]closed-loop control
3.传递函数[自] transfer function
4.时间延迟[通信] time delay time lag
频带宽度frequency band width ；bandwidth
传感器/换能器sensor ，transducer，sense organ，sensing element；[电子] transducer
energy converter 孔板流量计orificeplate flowmeter；orifice meter
相对误差relative error；proportional 参数辨识Parameter Identification ；Parameter Identifying
4.临界增益critical margin
根轨迹根轨迹：root locus ；loci of root ；root locus diagram根軌跡：root locus根轨迹分析：Rootlocus 自动整定tuning
5.振动/震荡vibrate现场试验field test
6.化学反应chemical reaction自调节器自适应调节器adaptive regulator
7.特征方程characteristic equation实验条件experiment condition
8.电加热器electric heater技术要求technical requirements
三, Translate the followings into English (5 points each, total of 20 points)
1.温度测量中可以使用电容传感器。
In temperature measurement of capacitance sensor can be used
2.为了优化系统性能，你将如何整定控制器？
In order to optimize the system performance, how will you setting controller
3.实现前馈控制需要对扰动进行实时测量。
Feedforward control need to realize real-time measurement disturbance
4.所有过程仪表仅能测量传感器限定的上下限值之间的量。
All process instruments can only measure up and down between the limit of the sensor limit of the quantity
四，Translate the followings into Chinese (5 points each, total of 30 points)
1.Pressure measurements are important not only for monitoring and control
of pressure itself but also as a means of measuring other parameters such as level and flow.
压力测量是重要的不仅是对监测和控制的压力本身,也作为一种测量水平等参数及流程。
2.Of the typical measurements of flow, level, temperature and pressure, flow tends to
be the most difficult and therefore the most subject to incorrect device selection.
典型的测量流量、水位、温度、压力、流量往往是最困难的,因此最受不正确的设备的选择。
3.Process measurements are made in and on operating equipment and on the solid,
liquid or gaseous materials which the process equipment handles.
典型的测量流量、水位、温度、压力、流量往往是最dProcess测量操作设备,产和固体、液体或气体材料处理工艺设备。
4.The magnetic flowmeter can theoretically be used to measure flow down to zero,
but in reality its operation velocity should not be less than one meter per second.
磁性流量计理论上可被用来测量流量降至零,但是在现实中,其运行速度不应小于1米/秒。
5.According to the General Stability Criterion, a closed loop system will be stable if
and only if all the roots of the characterized equation have negative real parts.
根据总体稳定性判据,闭环系统稳定,当且仅当所有的特征方程的根有负面真正的部分。
6.All process control starts with measurement, and the quality of control obtained can
never be better than the quality of the measurement on which it is based.
所有的过程控制始于测量的质量,并能控制获得不会超出质量的测量基础。
五，Answer the following questions in English (10 points，the questions below are also served as a writing test, please answer the question as detail, and grammatically correct, as possible )
What are the major advantages of feedforward control? 有哪些主要优势的前馈控制( no more than 100 words)。