Topics: Robotics, Robot, Electric motor Pages: 6 (1047 words) Published: February 27, 2013
Chapter 6
Lesson 1: A Glimpse of Robotics Technology

Robots are commonly named as a machine that imitates a human. •Made by human for human benefit.
One factor is for human safety.
-an example is the Mars Rover Sojoumer, it goes to a place where it is too dangerous for humans. •Has been used to handle nuclear and radioactive chemicals for many diff. uses including nuclear weapons, and processing of certain drugs. •Also perform tedious and unpleasant task such as janitorial work and welding ASIMO

Advanced Step in Innovative Mobility
World’s most advance humanoid robot.
Created at Honda’s Research & Development Wako Fundamental Technical Research Center in Japan. •Capabilities: Recognition of environment, moving object, gestures and postures, distinguishes sound and faces.

Definition & Brief History
An automatic device that performs functions normally attributed to humans. •It is reprogrammable ,multifunctional manipulator designed to move material , parts, tools or specialized devices through various programmed motions for the performance of a variety of tasks. II.Different types of Robots

2.Health care
4.Military Defense
5.Space Travel

Robots on Earth
1.Cartesian Robot- used for pick and place job, handling machine tools and arc welding robot whose arms are three prismatic joints, whose axes are coincident with a cartesian coordinator. 2.Cylindrical Robot- used for assembly operations handling at machine tools, spot welding and handling die-casting machines. Axes form cylindrical coordinate system. 3.Spherical/Polar Robot- handling at machine tools spot welding, die-casting ,fettling machines, gas and arc welding. Robot whose axes form polar coordinate system. 4.Articulated robot- used for assembly operations die- casting, fettling machines, gas and arc welding and spray painting. Arms are at least three rotary joints. 5.Robot in space- Sojourner is a six wheeled robotics exploration of a rocker bogie designed to travel in mars. 6.Robots in water- fish robots for Water Pollution Monitoring Using Ubiquitous Sensor.

III.Laws of Robotics
-Written by Isaac Asimov, introduced through short story entitled “Runaround”,1942 First Law: A may not endure a human being or, through inaction, allow a human being to come to harm. Second Law: A robot must obey any order given to it by human beings, except where such orders would conflict with the first Law Third Law: A robot must protect its own existence as long as such protection does not conflict with the First and second law. Later added the zeroeth law: A robot may not harm humanity, or, by inaction, allow humanity to come to harm. IV.Robots Essential Characteristic

1.Sensing- would have to be able to sense its environment using sensor devices. A.Eyes- light sensor
B.Hands- touch and pressure sensors
C.Nose- chemical sensor
D.Ears- sonar and hearing sensor
E.Tongue- taste sensors

2.Movement- robots should have the ability to move around its environment. 3.Energy- requires energy. Can be solar, electrical or batteries. Power requirement depend on what the robot needs to do. 4.Intelligence- requires the ability to think. Actually the program given to the robot.

V.Robotics technology
A.Mechanical Platform(hardware base)
B.Artificial Platform(software base)

A.Mechanical Platform
Provide powers to robots allowing its mechanical parts or specialized devices to move in various programmed motions.

Common motors used in Robotics technology
Dc Motor- electric motor that runs on Direct Current Electricity AC Motor- Electric motor that is driven by Alternating Current Stepper Motor- synchronous electric motor that can divide a full rotation in a large number of steps Servomotors- Closed-loop devices, uses error-sensing feedback to correct the performance of a mechanism.

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