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The growth in technology brings more innovation on a daily basis due to the fact that continuous research and experimentation are going on in every field, and robotics has such a vast application and scope that almost every field is utilizing it in their day-to-day lives to perform intensive tasks where humans fail to perform. Some of the robotics applications include:

1 1) Industrial ApplicationsBeginning with the Industrial Revolution, there has been continuous incremental progress in the uses of robots for manufacturing purposes, and automation has become a key aspect in the industry as robotic arms are capable of performing various tasks such as welding, cutting, bending, moving, painting, etc. Therefore, they are intensively utilized to perform various operations in industry.Some of the most common robots that are used in industry are:Articulated robotsScararobotsDelta robotsCartesian coordinate robotsCylindrical coordinate robotsSpherical coordinate robotsFor more details refer to [23].

2 2) Healthcare Service ApplicationsHealthcare is the most prominent and sophisticated industry that requires the greatest attention as it counts as a basic entity for any nation. So, it becomes important to open the doors of innovation for this sector also. Although it is under development, some experiments are going on to use robots to replace nurses to perform some of their common tasks such as providing timely medicine to patients, changing their clothes, dressing their wounds, lifting patients up, etc.Some of the medical robots changing the healthcare industry are:DaVinci is a system capable of performing surgical operations with tiny incisions and utmost precision.EndoscopyBot is a camera embedded in the robot which enters the body through a natural opening and searches for the damaged parts or any foreign material stuck somewhere in the body and traces the disease caused by them.Orthoses (Exoskeletons) are useful for patients with walking abnormalities due to surgery to help them walk and also provoke the weak muscles and make them heal faster.Targeted Therapy Microrobots are of microscopic size and help in therapy for specific targets in the body.Some other robots include Disinfectant Bots, Clinical Training Bots, Companion Bots, Telepresence Robot Surrogates, Robotic Nurses, Robotic-Assisted Biopsy, etc. [25].

3 3) Outer Space ApplicationsRobots are now widely used in outer space exploration. They are sent as unmanned vehicles to space to explore new planets, stars, and other celestial bodies. The most famous robot was the Mars Rover by NASA which was sent to explore the planet Mars. Spirit and Opportunity were two other robots sent to Mars, whose robotic arms were used to investigate soil and rocks on the Red Planet. Other robots, such as the Phoenix Mars Lander and Curiosity Rover, were also sent for further exploration.

4 4) Military ApplicationsDefense is the key element for running a nation and therefore any nation invests much more in their defense system. So, robots can play a major role in making defense systems [26] more effective and secure. Lots of research is going on to make advanced robotic systems for the army and defense. One such pioneering robot developed was the Predator drone with unmanned aerial vehicles that can take photographs with greater accuracy and can launch missiles accurately to the target without any pilot.Some key points of why robots can be used in military applications are:They can’t get tiredThey don’t know what fear isThey can open their eyes day and nightThey don’t hideThey don’t talk while on dutyThey can perform their duty in any weatherThey don’t have health risksThe above points are enough to describe why robots can be beneficial for military purposes.

5 5) Other ApplicationsOther applications include:Smart home systems that intelligently monitor home security, manage energy usage, maintain proper temperature, clean houses, and provide proper lighting and airconditioning based on requirementsSmart traffic systemIn making real-life gamesRobotic police/copsDriving assistant, etc.

Figure 2.9 below depicts various applications of robots in our day-to-day lives.

Figure 2.9 Applications of Robotics.