DC motor is a device which is often used to convert the
electrical energy into the mechanical energy. The necessary
amount of DC motor in the world is still very large now. It is
often used in industrial and household application fields. A lot
of industrial equipments are required to be supplied with
kinetic energy for a linear or rotating motion requirement. In
these application fields, the DC motor is very suitable to be
selected for providing kinetic energy to drive the mechanical
load. In order to achieve the control purpose, many parameters
of system, such as the current, temperature, and speed, they
would be first sampled and feedback to the system controller
immediately. The close-loop control structure is formed