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3.3.4 Robotics (Describe the technology used in Robotics (Parts…
3.3.4 Robotics
Describe
the technology used in Robotics
Robotics
Robotics
concerns the design, construction, operation and application of robots which are computer-controlled mechanical devices.
A robot
is a computer controlled mechanical device that is sufficiently flexible to be able to do variety of jobs and tasks.
A robot arm
is a relatively simple fixed robot capable of picking things up, positing them etc.
Robot
Sensors
Motors
Motors
perform the work done by robots, just as muscles do in humans
Advances in robotics is partly due to motors that have the speed, accuracy and mechanical power to accomplish increasingly complex tasks.
Nearly all small-to-moderare-sized robotic actuators, the most common choices for powering the actuator are brushed DC, brushless DC (BLDC), and stepper motors
Steppers
This is an electrical device that moves in small rotational steps. Suitably controlled and geared, a stepper moto can provide very small discreate movements, for example, the movement of paper rollers ad the print head in a printer
Selected for robots that perform precise functions, such as pick and place.
Don't require position sensor; know where thy are in he control function because they know how many steps in each direction of rotation that they have travelled.
Servo Motor/Mechanism
This is a mechanical mechanism for remote control machines. A simple form is the motor that operates the control surface of a radio-controlled model aircraft, where the person flying the model plays an active part continuously adjusting the position of the control levers.
This is a mechanical mechanism for remote control of machines.
Can be controlled electronically through computer circuits that may incorporate feedback to achieve automatic control; in these situations, human participation may be very limited.
Stepper or Servos
A robot
Processors
Characteristics
Sensing
Movement
Energy (Power)
Intelligence
Parts
Controller
Arm
Dive
Sensors
End Effector
Programming
Online Programming
Lead Through
Drive Through
Offline Programming
Use information from sensors
Evaluate
the use of robotics in different commercial situations
Advantages
Disadvantages
Commercial Situations
Welding
Advantages
Disadvantages
Spray Printing
Advantages
Disadvantages
Product Assembly
Advantages
Disadvantages
Aerospace Robots
Advantages
Disadvanatges
Product Packaging
Advantages
Disadvantages
Healthcare Provision
Advantages
Disadvanatges