Download GTU B.Tech 2020 Summer 8th Sem 2181706 Robotic Engineering Question Paper

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GUJARAT TECHNOLOGICAL UNIVERSITY
BE - SEMESTER-VIII EXAMINATION — SUMMER 2020

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Subject Code: 2181706 Date: 28.10.2020
Subject Name: Robotic Engineering
Time:02.30 to 05.00 pm Total Marks: 70

Instructions:

1. Attempt all questions.

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2. Make suitable assumptions wherever necessary.
3. Figures to the right indicate full marks.

MARKS

Q.1 (a) Explain degree of freedom with suitable example 03
(b) Draw various parts of a robot. 04

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(c) How robots are classified based on coordinate system? Discuss any one 07
of them with the help of neat sketches.

Q.2 (a) Explain the working principal of Time of Flight range sensor. 03
(b) Explain Vacuum gripper. 04
(c) Discuss the types of drive systems used in robots. 07

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OR
(c) Explain the construction of LVDT used in robotics for displacement 07
measurement

Q.3 (a) Write a short note on proximity sensor 03
(b) Explain in detail hydraulic actuator 04

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(c) List various types of grippers. Explain magnetic grippers & state its 07
advantages.
OR

Q.3 (a) Explain work envelope with necessary example and figure. 03

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(b) Write a short note on inverse kinematics. 04
(c) What are the points to be considered for selecting a robot for a particular 07
application? Explain in detail.

Q.4 (a) List various industrial applications where robots are preferred. 03
(b) Explain Any two robotic cell layouts. 04

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(c) What is forward kinematics? Explain D-H parameter. 07
OR

Q.4 (a) Differentiate between path planning and trajectory planning 03
(b) Explain the working of DC servo motors used in robotics 04

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(c) Explain how to decide the gearing ratio of a motor? 07

Q.5 (a) What is machine interference? 03
(b) Explain the various methods of Robot Programming. 04
(c) List out various sensors which can be interfaced with robots. Explain any 07
one sensor interface with robot in detail

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OR

Q.5 (a) Explain various Torque sensors. 03
(b) The coordinates of a point Pabc=(4,3,2)^T in the body coordinates frame 04
Oabc are rotated through 45° about OZ axis. Determine the coordinates

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of the vector Pxyz with respect to base reference coordinate frame.
(c) List out various application in manufacturing where robots are used and 07
explain any one application how robots are applied in detail.

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