The field of computer science and engineering concerned with creating robots, devices that can move and react to sensory input. Robotics is one branch of artificial intelligence. Robotics is related the word robot was introduced to the public by Czech writer Karel Čapek in his play.

Three Laws of Robotics :

Asimov also proposed his three "Laws of Robotics", and he later added a 'zeroth law'.

Law Zero: A robot may not injure humanity, or, through inaction, allow humanity to come to harm.

Law One: A robot may not injure a human being, or, through inaction, allow a human being to come to harm, unless this would violate a higher order law.

Law Two: A robot must obey orders given it by human beings, except where such orders would conflict with a higher order law.

Law Three: A robot must protect its own existence as long as such protection does not conflict with a higher order law

Some Robotics Applications :

1. Caterpillar plans to develop remote controlled machines and expects to develop fully autonomous heavy robots by 2021 . Some cranes already are remote controlled.

2.It was demonstrated that a robot can perform a herding task.

3. Robots are increasingly used in manufacturing (since 1960s). In auto industry they can amount for more than half of the "labor". There are even "lights off" factories such as an IBM keyboard manufacturing factory in Texas that are 100% automated.

4. Robots such as HOSPI are used as couriers in hospitals, etc. Other hospital tasks performed by robots are receptionists, guides and porters helpers,(not to mention surgical robot helpers such as Da Vinci

5.Robots can serve as waiters and cooks .

Use of robotics :

Some examples of factory robots

Car production: Over the last three decades automobile factories have become dominated by robots. A typical factory contains hundreds of industrial robots working on fully automated production lines, with one robot for every ten human workers. On an automated production line, a vehicle chassis on a conveyor is welded, glued, painted and finally assembled at a sequence of robot stations.

Packaging: Industrial robots are also used extensively for palletizing and packaging of manufactured goods, for example for rapidly taking drink cartons from the end of a conveyor belt and placing them into boxes, or for loading and unloading machining centers.

Electronics: Mass-produced printed circuit boards (PCBs) are almost exclusively manufactured by pick-and-place robots, typically with SCARA manipulators, which remove tiny electronic components from strips or trays, and place them on to PCBs with great accuracy. Such robots can place hundreds of thousands of components per hour, far out-performing a human in speed, accuracy, and reliability.

Automated guided vehicles (AGVs): Mobile robots, following markers or wires in the floor, or using vision or lasers, are used to transport goods around large facilities, such as warehouses, container ports, or hospitals.

Social Impact :

As robots have become more advanced and sophisticated, experts and academics have increasingly explored the questions of what ethics might govern robots' behavior, and whether robots might be able to claim any kind of social, cultural, ethical or legal rights. One scientific team has said that it is possible that a robot brain will exist by 2019. Others predict robot intelligence breakthroughs by 2050. Recent advances have made robotic behavior more sophisticated


Recent research and development has addressed a number of aspects of robotics. Robotic hands have been developed which offer greater dexterity and flexibility, and improvements have been made in visual sensors as well (earlier generations of visual sensors were designed for use with television and home video, and did not process information quickly for optimal performance in many robotics applications; as a consequence, solid-state vision sensors came into increased use, and developments were also made with fiber optics). The use of superconducting materials, meanwhile, offers the possibility of substantial improvements in the electric motors that drive robotic arms. Attempts have also been made to develop lighter robotic arms and increase their rigidity. Standardization of software and hardware to facilitate the centralization of control systems has also been an important area of development in recent years. Indeed, "robots are simply more programmable and flexible than ever before," wrote Tooling and Production contributor Katina Z. Jones. "Multiple cells can be more easily accommodated and cybernetic gadgetry such as virtual reality and computer simulation have added a new dimension to the sales and installation of robotics." Finally, the processing speed of robotic brains was expected to increase from 10 MIPS in 2000 to 1,000 MIPS by 2003.

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