IMPLEMENTATION OF MODEL PREDICTIVE CONTROL FOR THREE PHASE INVERTER WITH OUTPUT LC FILTER USING DSP
Ihab Sami Mohamed Mohamed;
Abstract
Model predictive control (MPC) is an advanced method of process control that has
been enormously used in industry. In recent years, there has been a rapid increase in the
use of digital controllers in control systems. The control of inverters with output LC
filter has a special importance in applications where the high quality voltage is needed.
Several control schemes have been proposed for the control of three-phase inverter.
This thesis presents a new and simple control scheme using predictive control and
implementing the proposed MPC on the eZdsp F28335 kit. The controller uses a
discrete-time model of the system to predict the behavior of the output voltage for all
possible switching states generated by the inverter. Then, a cost function is used as a
criterion for selecting the switching state that will be applied during the next sampling
interval. There is no need of internal current control loops and no modulators because
the gate-drive signals are generated directly by the controller.
been enormously used in industry. In recent years, there has been a rapid increase in the
use of digital controllers in control systems. The control of inverters with output LC
filter has a special importance in applications where the high quality voltage is needed.
Several control schemes have been proposed for the control of three-phase inverter.
This thesis presents a new and simple control scheme using predictive control and
implementing the proposed MPC on the eZdsp F28335 kit. The controller uses a
discrete-time model of the system to predict the behavior of the output voltage for all
possible switching states generated by the inverter. Then, a cost function is used as a
criterion for selecting the switching state that will be applied during the next sampling
interval. There is no need of internal current control loops and no modulators because
the gate-drive signals are generated directly by the controller.
Other data
| Title | IMPLEMENTATION OF MODEL PREDICTIVE CONTROL FOR THREE PHASE INVERTER WITH OUTPUT LC FILTER USING DSP | Other Titles | تحقيق تحكم النموذج التنبؤى للعاكس الثلاثى الاوجه مع مرشح خرج LC باستخدام DSP | Authors | Ihab Sami Mohamed Mohamed | Issue Date | 2014 |
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