JNTU
JNTU B.Tech IV ACTUATORS AND ROBOT SYSTEMS Previous Question Paper (July - 2023 - R16)
Note: i) Question paper consists of Part A, Part B. ii) Part A is compulsory, which carries 25 marks. In Part A, Answer all questions. iii) In Part B, Answer any one question from each unit. Each question carries 10 marks and may have a, b as sub questions.
Part A
Discuss the role of robots in engineering applications.
Answer
Robots are used in engineering to automate repetitive, hazardous, or high-precision tasks. They enhance productivity, ensure consistent quality, and improve safety by performing operations like welding, assembly, material handling, and inspection in environments unsuitable for humans.
Explain the pick and place application of robot.
Answer
Pick and place is a fundamental robotic task involving the movement of an object from one location to another. The process consists of three main phases: the robot moves to the source location, uses an end-effector (gripper) to grasp the object, and then transports and releases it at the target destination. This is widely used in packaging, palletizing, and component assembly.
Define Kinematics and discuss the importance.
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What is Inverse Kinematics? Give example.
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Explain the use of Reed Switches.
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List out the uses of sensors.
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Write a short note on Encoders.
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What are the applications of solenoids valve?
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Define robot programming.
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Why programming is essential in robotics?
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Part B
Explain the polar coordinate system for robot positioning
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Define the importance of Roll, Pitch and Yaw in robotics.
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How are robots classified? Explain different types of robots.
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What are the future applications of robot? Discuss the extent of applicability.
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Discuss the direct and inverse kinematic models.
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Discuss about the multiple solutions encountered in solution of inverse kinematics problem. Explain the guidelines to obtain closed form of solutions.
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For a two degrees of freedom robot configuration, explain the procedure to solve an inverse kinematics problem.
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How the motion planning is done in robots? Explain different ways.
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Explain the operation of Micro switches used in robots along with their applications.
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Explain the working principle of tactile sensors used in robots with suitable diagram.
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Discuss different applications of sensors used for robotics.
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Explain the functions of resistance transducers along with their limitations.
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Explain the components of a hydraulic system with a neat schematic diagram.
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Explain the principle of operation of the following: i) Solenoids ii) Encoders
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Discuss about various types of AC Motors used in robotics and discuss their advantages.
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Explain the principle of operation of the following: i) Cylinders ii) Stepper motors.
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Discuss about the WAIT, SIGNAL, DELAY commands used in robot programming.
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Explain any one programming language used in robot operations and discuss the salient points.
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What are the methods of robot programming? Explain them with examples.
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Differentiate between VAL and RAIL robot programming language.
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