Improved model predictive control of resistive wall modes by error field estimator in EXTRAP T2R

2016 ◽  
Vol 58 (12) ◽  
pp. 124002 ◽  
Author(s):  
A C Setiadi ◽  
P R Brunsell ◽  
L Frassinetti
Keyword(s):  
Model Predictive Control ◽  
Predictive Control ◽  
Resistive Wall ◽  
Error Field ◽  
Improved Model ◽  
Resistive Wall Modes

Improved model predictive control for the flow field in a wind tunnel with model uncertainty

2020 ◽  
Vol 357 (12) ◽  
pp. 7439-7455
Author(s):  
Yanming Liu ◽  
Junjie Wang ◽  
Xiaotao Liu ◽  
Xiaoping Li ◽  
Bo Yao ◽  
...  
Keyword(s):  
Wind Tunnel ◽  
Flow Field ◽  
Model Predictive Control ◽  
Predictive Control ◽  
Model Uncertainty ◽  
Improved Model

scholarly journals Reduction of Prediction Errors for the Matrix Converter with an Improved Model Predictive Control

Energies ◽  
2019 ◽  
Vol 12 (15) ◽  
pp. 3029 ◽  
Author(s):  
Shuang Feng ◽  
Chaofan Wei ◽  
Jiaxing Lei
Keyword(s):  
Model Predictive Control ◽  
Predictive Control ◽  
Prediction Models ◽  
Sampling Period ◽  
Continuous Model ◽  
Matrix Converter ◽  
Prediction Errors ◽  
Current Harmonics ◽  
The Matrix ◽  
Improved Model

In this paper, an improved model predictive control (MPC) is proposed for the matrix converter (MC). First, the conventional MPC which adopts the separately discretized prediction models is discussed. It shows that the conventional MPC ignores the input–output interaction in every sampling period. Consequently, additional prediction errors arise, resulting in more current harmonics. Second, the principle of the improved MPC is presented. With the interaction considered, the integral state-space equation of the whole MC system is constructed and discretized to obtain the precise model. The eigenvalue analysis shows that the proposed prediction model has the same eigenvalues with the continuous model, and thus is more accurate than the conventional one to describe the MC’s behavior in every sampling period. Finally, experimental results under various working conditions prove that the proposed approach can always increase the control accuracy and reduce the harmonic distortions, which in turn requires smaller filter components.

On the roles of direct feedback and error field correction in stabilizing resistive-wall modes

2010 ◽  
Vol 50 (4) ◽  
pp. 042001 ◽  
Author(s):  
Y. In ◽  
I.N. Bogatu ◽  
A.M. Garofalo ◽  
G.L. Jackson ◽  
J.S. Kim ◽  
...  
Keyword(s):  
Resistive Wall ◽  
Error Field ◽  
Direct Feedback ◽  
Resistive Wall Modes
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