deck_15807719 (1)

Question 1

The stability of a continuous or discrete time system is determined by its response to…?

Answer 1

input

Question 2

which of the following must be done first in order to convert a transfer function in a state equations in phase variable form

Answer 2

convert the transfer function into a differential equation

Question 3

it refers modern, or time- domain, approach

Answer 3

state space approach

Question 4

in a canonical form of feedback control system shown in the figure , E/R is the____?

Answer 4

error ratio

Question 5

the output response is____

Answer 5

the sum of forced response and natural response

Question 6

what type of second order response is described by the graph shown in the figure

c(t)=1-cos3t

Answer 6

undamped

Question 7

identify the zeros of the transfer function 5s+5/(s^2-6s)

Answer 7

S=-1

Question 8

what do you call to any variable that responds to an initial condition in a system

Answer 8

system variable

Question 9

in a canonical form of feedback control system shown in the figure, C/R is the ____

Answer 9

control ratio

Question 10

what do you call to a vector whose elements are the state variables?

Answer 10

state vector

Question 11

the reciprocal of time constant is___

Answer 11

frequency

Question 12

identify the zeros of the transfer function s+3/(s=2)(s+5)

Answer 12

S=-3

Question 13

what type of second order response is described by the graph shown in the figure

C(t)= 1-3te^3t-e^3t

Answer 13

critically damped

Question 14

Given a transfer function shown and its equivalent state space representation. what are the missing values in matrix A

in equation 20 /s^3+5s^2+4s+3

Answer 14

[-3,-4,-5]

Question 15

what type of second order response is described by the graph shown in the figure

c(t)=1+0.171e^-7.854t - 1.17e^-1.146t

Answer 15

overdamped

Question 16

what type of second order response is described by the graph shown in the figure

c(t)=1-e^t(cos squareroot8t + squarerootof8/8 sin squareroot8t) =1-1.06e^-t cos(squareroot8t-19.47degree)

Answer 16

underdamped

Question 17

the forced response is also called

Answer 17

particular solution

Question 18

modelling systems by using linear, time invariant differential equations and subsequent transfer functions became inadequate with the arrival of space exploration, because requirements for control systems increased in scope.

True or False

Answer 18

true

Question 19

using the sfg below. Find x4/x1

Answer 19

abc+d

Question 20

in the equation C/R=1+- GH, what does the negative sign means?

Answer 20

positive feedback

Question 21

the signal flow graph and block diagram of a systems provides the same information.

true or false

Answer 21

true

Question 22

what do you call the part of the total response which approaches zero as time approaches infinity

Answer 22

steady state response

Question 23

in signal flow graph, what do you call to the transmission function represented by a line with an arrow?

Answer 23

branch

Question 24

if the system is stable for a certain range of system component values, then it is known as what?

Answer 24

conditionally stable

Question 25

what do you call to any variable that responds to an initial condition in a system ?

Answer 25

system variable

Question 26

what do you call to a vector whose elements are the state variables

Answer 26

state vector

Question 27

what is the routh table of the given system (s^3+6s^2+10s+10) determine if it is stable or unstable.

Answer 27

stable

s3- 1,6,10
s2-6,10,0
s1-10,0
s0-10

Question 28

if the system for all the range of system component values, then it is known as what?

Answer 28

absolutely stable

Question 29

Given a transfer function shown and its equivalent state space representation. choose the correct values that can be put in a matrix A

H(s)= s+7/ s^4+5s^3+4s^2+4s+6

Answer 29

[-6,-4,-4,-5] or [1,7,0,0]

Question 30

it refers to modern, or time domain approach

Answer 30

state-space approach

Question 31

it is a unified method for modeling, analyzing, and designing a wide range of systems

Answer 31

state-space approach