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Applications Of Stepper Motors
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1.3 SIGNIFICANCE OF THE STUDY
The application stepper motors in
modern day control of electrical motors is an advantageous one with
distinct function like providing a wide range of rotational speeds can
be utilized, Precise open-loop positional control without any feedback
mechanism, Possible very low speed rotation, the life of a stepper motor
is determined by the life of the stepper motor bearing, very good at
starting, stopping, and reversing direction, provides precise
positioning and repeatability of movement, maintains full torque at
standstill position when energized. These special features and functions
made this project quite significant.
Also, the use of
microcontrollers to be send control pulses to stepper motor with the
programmable property may not be sufficient enough to drive the motor.
Hence, stepper motor drives are implemented. This has good feature over
semiconductor switches that requires a firing circuit which is not easy
and losses are more as compared to the drivers.
Furthermore, the old
electric motor cannot be used in some small electronic devices (such as
Printers, Scanners, DVD player etc) that require smaller size of DC
motor. Hence, the used of the advanced technology of stepper motors
provides a means of achieving these functions.
1.4 LIMITATIONS OF THE STUDY
In
achieving a task of this kind, you must find out that it quite
challenging, time and money consuming. It was easy carrying out the
project construction at the same time coping with other school learning
and assessment as both of them were conflicting despite the short period
we had.
Searching of relevant components to build the circuit was
also quite challenging as some were not readily available in the market.
We had to travel far and near in search of it.
Lastly, there were no
enough funds necessary to achieving the project construction this also
stood as a stumbling block considering the financial and economic
meltdown we experience in our country today. The problem of packaging,
coupled with stress and time factor also limited the success of the
project.
1.5 ORGANISATION OF THESIS
The work carried out has been summarized in six chapters.
Chapter 1 highlights the brief introduction.
Chapter 2 highlights the brief introduction summary of work carried out by various researchers.
Chapter
3 highlights the methodology and design concepts. However, it
illustrates the breakdown of the stages which the device constructed in
this project undergoes in operation.
Chapter 4 highlights the major components used in the construction of this project.
Chapter 5 highlights the specifications and the components used.
Chapter 6 highlights he advantages, challenges and prospects for future students.
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