JNTU
JNTU B.Tech III Year FUNDAMENTALS OF ROBOTICS Previous Question Paper (February - 2023 - R16)
Question paper consists of Part A, Part B. Part A is compulsory (25 marks). In Part B, Answer any one question from each unit (50 marks).
Part A
What is precession of movement?
Answer
Precession is the change in the orientation of the rotational axis of a rotating body. In robotics, it refers to the angular motion of the robot's wrist or end-effector as it rotates about an axis that is itself changing orientation.
Give one application of proximity sensor.
Answer
A proximity sensor is used in robotic assembly lines to detect the presence of a workpiece on a conveyor belt without physical contact, allowing the robot to trigger a pick-and-place operation.
What is pivoting movement in the gripper mechanism?
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What are adhesive grippers?
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What is homogeneous transformation matrix?
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Differentiate forward and inverse kinematics.
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What are the inputs for inverse kinematics problem?
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Explain joint movement method to define position in space.
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What are front and back lighting in machine vision?
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What is textual robot language in robot programming methods?
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Part B
What are the various components of the industrial robotics?
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What are the various types of joints used in robotic systems?
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Differentiate parallel and serial manipulators.
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Briefly describe about the torque sensor and its applications.
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Analyse the gripper force used in the gripper mechanism at the wrist end.
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Discuss the gear and rack method of actuating the gripper.
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What are the advantages of magnetic gripper?
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How the vacuum cups can be used for handling the objects?
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Give the forward and reverse transformation of a 2 DoF arm of type RR, given its position.
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A vector v=i+5j+2k is rotated by 60 degrees about the Z axes, followed by 30 degrees about X axes and then translated by 2,4,6 units in the x, y and z directions respectively. Find the final vector with reference to the reference frame.
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Discuss and calculate the various parameters concerned with 3-5-3 trajectory method.
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Describe the features of servo system and control architecture for robot systems.
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How does the teach pendant performs the operations.
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Explain the object recognition technique in the image processing and analysis.
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Explain the feature extraction technique in the image processing and analysis.
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What are the basic three applications of machine vision?
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