National Conference on Computing, Communication and Control (CCC-09)
ON-OFF Temperature Control System Using Microprocessor
Shefali Saxena#1, Swati Talesara#2,Sachin Mehta#3
Electronics & Communication Department, Geetanjali Institute of Technical Studies
Udaipur, Rajasthan, India
Abstract— This paper includes the On-Off Control System
controlling the operation of heater using microprocessor. It is a
closed-loop control system.
An on-off controller is the simplest form of temperature control
device. An on/off controller will switch the output only when the
temperature crosses the set point. For heating control, the output
is on when the temperature is below the set point, and off above
the set point.The paper deals with control system including
strategies, types and requirements of control system. Block
Microprocessor with explanation of Working of whole circuit has
been included .The observations of experiment on actual circuit
have been reported.
Keywords- Control, comparator, temperature, microprocessor,
During the last fifty years, control systems in processes have
been gradually evolved on an analytical footing and today the
range in the control equipment for any kind of process is
commendable. The major part in process controllers the plant
or the process itself. For adequate control, knowledge of the
plant characteristics, both theoretical and experimental is
On-Off Control System is used in many common situations,
such as air-coolers, water reservoirs, batch annealing furnaces,
In control theory, a controller is a device which monitors and
affects the operational conditions of a given dynamical system.
The operational conditions are typically referred to as output
variables of the system which can be...