作者ym920823 (绿茶)
看板NTU-Exam
标题[试题] 100上 蔡坤谕 控制系统 期中考
时间Sat Nov 12 01:16:12 2011
课程名称︰控制系统
课程性质︰
课程教师︰蔡坤谕
开课学院：电资学院
开课系所︰电机系
考试日期（年月日）︰2011/11/10
考试时限（分钟）：220分钟
是否需发放奖励金：是
（如未明确表示，则不予发放）
试题 :
※考试范围：ch.1 - 4.1
※Open books and notes, INDEPENDENT work
Promblem 1. The following 2 questions are multiple-choices questions,i.e. the
answers may be more than in every question. Describe the reasons
why you come up with your answers.(20%)
1. (10%) For dynamic system with a second-order transfer function
model, what are the implied assumption of the properties of
the system.
(a) stable (b) time-invariant (c) linear (d) single input
(e) can be nonlinear.
2. (10%) For a closed-loop control system, which of the following
variables are transient response indexes:
(a) overshoot (b) dampign ratio (c) steady-state error
(d) natrual frequency (e) rise time.
Problem 2. Linearity and time-invariance(30%)
Give a mathematical and graphical explanation about
1. linear system(5%) linear and time-variant.(5%)
2. time-invariant(5%) time-invariant and nonlinear(5%)
3. linear time-invariant(5%) neither linear nor time-invariant(5%)
Problem 3. Control Strategies(SRL)(20%)
What is feedforward control?(5%) What is feedback control?(5%)
Give two examples for each of them.(10%)
Problem 4. 第六版课本习题p3.24
Problem 5. 第六版课本习题p2.19
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