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USN RA62225RA
Sixth Semester B.E. Degree Examination, June/July 2025
INTRODUCTION TO ROBOTICS
(MODEL QUESTION PAPER)
Time: 3 hrs. Max. Marks: 100
Note: Answer any FIVE full questions, choosing ONE full question from each module.
Q. No. Questions Marks BL/CO
Module I
a. Define robot. Explain the anatomy of robot system.
10 CL2/CO
b.
Calculate DOF of the spatial parallel manipulator shown in Figure 1b.
Figure 1b
10 CL 3 /CO
OR
a.
Explain the workspace of various types of robot manipulators. 10 CL2/CO
b.
The costs and savings associated with a robot installation are given below:
Cost of robot including accessories: Rs. 10,00,
Installation cost: Rs. 2,00,
Maintenance and operating cost: Rs. 25 per hour
Labour saving: Rs. 100 per hour
Material saving: Rs. 20 per hour
The shop runs 24 hours in a day (in shifts) and effective work days in a year
are 200. The tax rate of the company is 30% and technoeconomic life of the
robot is expected to be equal to 5 years. Determine payback period of the
robot. Give the suggestion on buying of this robot.
10 CL 3 /CO
Module II
a. Explain different following types of grippers: 10 CL 2 /CO 2
Cognitive Levels of Bloom’s Taxonomy
No. CL1 CL2 CL3 CL4 CL5 CL
Level Remember Understand Apply Analyze Evaluate Create
Course Outcomes
(i) Internal grippers (ii) External grippers (iii) Passive Grippers (iv) Active
grippers (v) Soft grippers
b. Explain functionality of vacuum grippers and adhesive grippers. 10 CL 2 /CO 2
OR
a.
Derive the transformation matrix when a frame is translated and rotated with
respect to universal coordinate system.
10 CL 3 /CO 2
b.
The concept of roll, pitch and yaw angles has been used to represent the
rotation of a frame {B} with respect to reference frame {U} that is
R
B
U
.
𝐵
𝑈
[
]
Determine the angles of rolling, pitching and yawing.
10 CL 3 /CO 2
Module III
a. Explain the working principle of optical encoders. 10 CL 2 /CO 3
b.
Explain the following types of sensors:
(i) Range sensor (ii) Hall effect sensor
10 CL 2 /CO 3
OR
a.
Explain the working following types of stepper motors:
(i) Permanent magnet stepper motor (ii) Variable reluctance stepper motor
10 CL 2 /CO 3
b.
With neat a sketch, explain the working of pneumatic actuation system. 10 CL 2 /CO 3
Module IV
a.
Explain the motion, end effector and sensor commands in VAL programming
language.
10 CL 2 /CO 4
b. Explain different types of robot programming methods. 10 CL 2 /CO 4
OR
a. Explain the programming using VAL language. 10 CL 2 /CO 4
b. Explain lead through robot programming method. 10 CL 2 /CO 4
Module V
a. Explain the applications of robotics in manufacturing industries. 10 CL 2 /CO 5
b. Explain the material handling applications of robotics in industries. 10 CL 2 /CO 5
OR
a.
Explain the following types of robot systems:
(i) Medical robots (ii) Cloud robots
10 CL 2 /CO 5
b. Explain the applications of robots in space technology. 10 CL 2 /CO 5
