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In this paper with the help of Matlab/Simulink and
dSPACE, the SwitchMode DC Converter is built in realtime
to control the output voltage of the controller using PWM
algorithm. First, the Simulink model of SwitchMode DC
Converter (i.e. SinglePole and TwoPole Converter Model)
is built and, after verifying the results, it is implemented in
realtime. Next, a DC motor is connected to the output
terminals (i.e. Phase A1 and Phase B1) of the Power Electronics
Board such that a variable voltage is applied to the terminals
of DC motor. Now, by changing the magnitude of the applied
voltage, the speed of the motor is varied. This is also referred
to as an openloop voltage control of DC motor. The purpose
of the realtime implementation is obtaining variable voltage
at the output of the power converter, while controlling its
amplitude with a dSPACE DS1104based user interface.
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