Green
In Routh array, if zero is found in the first column, then by which term it needs to be replaced?
ε
How is the sinusoidal transfer function obtained from the system transfer function in frequency domain?
Replacement of ‘s’ by ‘jω’
First column elements of the Routh’s array are 3, 5, -3/4, ½, 2. It means that there are:
two roots in the right half of the s-plane
Which of the following techniques is utilized to determine at the actual point at which the root locus crosses the imaginary axis?
Routh-Hurwitz technique
When the number of poles is equal to the number of zeroes, how many branches of root locus tends towards infinity?
zero
Transfer function of a system is used to calculate which of the following?
The output for any given input
Type No. of a system depends on.................
Number of poles it has at the origin
Which of the following plays a vital role in determining the state of dynamic system?
state variables
List the elements of rotational motion?
Inertia, Damper, Spring
The transfer function is applicable to which of the following systems?
Linear and time-in variant systems
Which condition is generally preferred for any second order system?
Underdamped
The type 0 system has ______ at the origin.
no poles
Which one of the following methods can determine the closed loop system resonance frequency operation?
M and N Circles
Roots on the imaginary axis makes the system
Marginally stable
Which parameter determines the stability of the linear system?
Location of poles
Routh Hurwitz criterion helps to identify
number of poles in the right half of s plane
Identify the minimum number of states require to describe the three-degree differential equation.
3
Kalman’s test used to identify _________ of a state equation represented by a system.
Observability and controllability
In Force Current Analogy, Electrical resistance is analogous to
Dampers
Determine the overall transfer function of two blocks connected in parallel.
Sum of individual gain
Two loops are said to be non-touching only if no common______exists between them.
Node
Select a node which have only outgoing branches.
Input node
If a system is subjected to step input, which type of static error coefficient performs the function of controlling steady state error?
Position
Which point on root locus specifies the meeting or collision of two poles?
Break Away point
If a pole is located at origin, how does it get represented on the magnitude plot?
20 log w in db