CLASSIFICATION AND ADVANTAGES/DISADVANTAGES OF ROBOTS

CLASSIFICATION AND ADVANTAGES/DISADVANTAGES OF ROBOTS

Classification of Robots:

The following is the classification of robots according to the Japanese Industrial Robot Association (JIRA):

Class 1: Manual handling device: A device with multiple degrees of freedom, actuate by the operator.

Class 2: Fixed Sequence Robot: A device that performs the next steps of a task according to a predetermined, immutable method, it is difficult to modify.

Class 3: Variable Sequence Robot: Same as in Class 2, but easy to modify.

Class 4: Playback Robot: The human operator performs the task manually by running the robot, which then records the moves for playback; The robot repeats the same movements as recorded.

 Class 5: Numerical Control Robot: The operator supplies the robot with a vibration program without manually teaching the work.

Class 6: Intelligent Robot: Robot to understand its environment and ability to successfully complete a task despite changes in the environment.

The Robotics Institute of America (RIA) only considers class 3-6 as Robots. The Association Francaise de Robotic (AFR) has the following classification:

Type A: Maintaining equipment with manual control for telerobotics.

Type B: Automatic handling equipment with predetermined wheels.

Type C: Programmable, servo-controlled robots with continuous or point-to-point Channels.

Type D: Same as C but with the ability to retrieve information from its environment.

Advantages of Robots:

·      Robotics and automation are, in many cases, increase productivity, security, products, quality and sustainability of products.

·      Robots can operate in hazardous environments such as radiation, darkness, heat and cold marine support, space and so on without the need for life support, comfort or concern for security.

·      Robots do not need an environment like lighting, air conditioning, ventilation and noise protection.

·      Robots work constantly without fatigue or fatigue or boredom. They don't get it there is no madness, no hangovers and no medical insurance or leave.

·      Robots have repeatable accuracy at all times, unless something happens unless they are worn.

·      Robots are far more accurate than humans. Some of the simplest linear accuracy one thousandth of an inch. The new layer-handling robots have micro-inch precision.

·      Robots and their tools and sensors have capabilities beyond humans

·      Robots can process multiple stimuli or tasks at once. Only humans can process it an active stimulus.

·      Workers robots replace human labour, causing economic hardship and worker dissatisfaction and resentment, and the need to regain a replacement workforce.

Disadvantages of Robots:

Robots are not capable of responding to emergencies unless the situation is  included in the response system. They need security measures to do so operators and other machines working with them should not be injured. These include

·      Inappropriate or incorrect responses.

·      Lack of decision-making power.

·      Loss of energy.

·      Damage to the robot and other equipment.

·      Injuries to humans.

Robots, although superior in some senses, have limited capabilities:

·      Knowledge, creativity, decision making and awareness.

·      Degrees of freedom and ability.

·      Sensors and vision systems.

·      Real-time response.

Robots are expensive because of:

·      Initial cost of equipment and installation.

·      Peripherals required.

·      Training is required.

·      Programming required.

Author:

Mr. Vikas Nandal

(Assistant Professor, Mechanical Engineering Department)