ROBOTICS Modules One - Three | Question Bank Answers

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ROBOTICS

Modules One - Three | Question Bank Answers

MODULE ONE: INTRODUCTION TO ROBOTICS

Q One. Define robotics and explain its interdisciplinary nature.

Definition: Robotics is the science and technology of designing, constructing, operating, and applying robots. The ISO defines a robot as a reprogrammable, multifunctional manipulator designed to move material, parts, tools, or specialized devices through variable programmed motions for a variety of tasks.

Interdisciplinary Nature: Robotics draws from three core engineering fields:

. Mechanical Engineering - deals with the motion subsystem: links, joints, actuators, transmissions, and the structural design of the manipulator.

. Electrical Engineering - handles the control subsystem: servo drives, sensors, signal conditioning, power electronics, and control algorithms (PID, etc.).

. Computer Science - responsible for the recognition subsystem: robot programming, Artificial Intelligence, vision processing, and decision-making software.

All three domains interact tightly: a mechanical arm is useless without sensors and a controller, and a controller is useless without a physical structure to move.

· Two thousands - Present: Collaborative robots (cobots), mobile robots, medical/surgical robots (da Vinci), space robots (Curiosity, Mangalyaan), service robots.

Q Four. List and explain the elements of a robotic system.

A robotic system has three major subsystems, each with specific elements:

One. Motion Subsystem

Two. Recognition Subsystem

Three. Control Subsystem

Fuller's Fourth Law (nineteen ninety-nine):

The Motion Subsystem is the physical structure that executes robot movement.

b) Classification by Type of Drive

c) Classification by Control Method

Significance

Repeatability

Influence on Performance:

Examples:

Role in Assembly:

Types of Robotic Welding:

Factors for Robot Selection in Welding:

Q twelve. Discuss the types of electric drives used in robots and their respective advantages and disadvantages.

Q fourteen. How does a SCARA robot differ from an articulated robot in terms of motion and applications?

Q seventeen. Explain the importance of precision, repeatability, and accuracy in robotic manipulators.

Q eighteen. Describe the significance of yaw, pitch, and roll in tool orientation for robotic manipulators.

Q twenty-one. What are the different types of welding robots? How do they enhance industrial productivity?

Q twenty-two. Explain how robotic systems are used in machining processes like drilling and deburring.

Deburring:

MODULE THREE: SENSORS FOR ROBOTS

Sub-Types

One. Proximity Sensors

Two. Force/Torque Sensors

Three. Vision Sensors

Components of a Vision System:

How Vision Enhances Perception and Control:

Key Sensors in Cobots and Their Roles:

Impact on Human-Robot Interaction:

Impact in Robotics:

In Object Detection:

In Navigation (Mobile Robots / AGVs):

Question fifteen. Define actuators and explain their role in robotic motion.

Types of Actuators in Robotics:

Role in Robot Motion:

Given:

Overview

The text serves as a detailed resource for understanding robotics, specifically discussing various subsystems, the impact of automation on employment, and ethical considerations in robotic design based on Asimov's laws.

Key Points

1Robotics integrates mechanical engineering, electrical engineering, and computer science
2Collaborative robots and automation significantly influence modern job markets
3Asimov's laws provide a framework for robot safety and ethical design
4Degrees of freedom enhance a robot's versatility and functional capabilities
5Compliance in robotics is crucial for tasks requiring precise alignment and manipulation.

Details

Authors: S. K. Saha
Category: Technology and Engineering

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