Robots In Radioactive Environments : Seminar Report and PPT
In this page, you can find Robots In Radioactive Environments ppt, Robots In Radioactive Environments pdf, Robots In Radioactive Environments seminar, Robots In Radioactive Environments
are developed to be used in areas inaccessible to human beings. Radio active environment
is one in which high energy radiations like ?, ? and ? radiations are emitted
by radioactive materials. There is a limitation in case of the time and dose for
which professional worker can be exposed to nuclear radiations according to international
regulations so it very useful to use robots in such an environment.
with properly automated can also be used to control nuclear power plants and hence
can be used to avert nuclear power plant disasters like one that occurred at Chernobyl.
Robots can also be used for the disposal of radioactive waste.
is still bright for robots in radio active environment as they are to be used
to isolate nuclear power plants from surroundings in case of a nuclear power plant
The word robot was introduced in 1921 by the Czech play Wright
Karel Capek, in his play Rossum's universal robots and is derived from the Czech
word "Robota", meaning "forced labour". The story concerns
a brilliant scientist named 'ROSSUM' and his son, who developed a chemical substance
similar to protoplasm to manufacture robots. Their plan was that the robots would
serve the mankind obediently and do all physical labour. Finally, after improvements
and eliminating unnecessary parts, they develop a "perfect robot", which
eventually goes out of control and attacks humans.
Capek introduced the word robot to the world, the term robotics was coined by
Isaac Asimov in his science fiction story "run around", where he portrayed
robots not in negative manner but built with safety measures in mind to assist
human beings. Asimov established in his story three fundamental laws of robots
1. A robot may not injure a human being or, through inaction, allow
a human being to come to harm.
2. A robot must obey the orders given to it
by human beings, except where such orders would conflict with the first law.
A robot must protect its own existence as long as such protection does not conflict
with the first and second laws. .
Robots were introduced into the industry
in the early 1960's. Robots originally were in hazardous operations, such as handling
toxics and radioactive materials and loading & unloading hot work pieces from
furnaces and handling them in foundries.
NEED FOR ROBOTS IN RADIOACTIVE
Radioactive environment is mainly encountered in nuclear power plants. Some regular
repair and maintenance activities at nuclear power plants involve risks of contamination
and irradiation. While contamination is an accidental and avoidable phenomenon,
irradiation is continuous and effects the operators work areas. Various countries
have laws establishing annual maximum doses to which professional workers can
be exposed and the maximum time that they may stay inside areas subject to radiation.
Most tasks at
nuclear facilities are carried out by in house maintenance specialists. They are
few in number and in many cases, require several yeas of experience and extensive
training programs. The number of hours that they can work continuously is limited
by national international regulations regarding the maximum dose that may be received
by exposed professional workers. Legal regulations establish that when a worker
reaches a specific dose limit, the worker cannot work in areas subject to radiation
for a given period of time. This increase the cost of maintenance services because
personal only operate for short periods of time. Given the discontinuous use of
human resources and discontinuous nature of work, nuclear service companies are
obliged to allow for some uncertainties in scheduling of services and in rationalization
of their human resources.
all the above reasons, it is generally advisable and in some cases mandatory,
to use telerobotics for the execution of repair and maintenance tasks in nuclear
power plants. This is particularly true of tasks entailing high exposure to radiation
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