Robust digital deadbeat control design technique for 3 phase VSI with disturbance observer

Robust digital deadbeat control design technique for 3 phase VSI with disturbance observer
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带扰动观测器的三相VSI鲁棒数字无差拍控制设计技术

DOI:
10.1587/elex.14.20170351
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发表时间:
2017-06
影响因子:
0.8
通讯作者:
Mazhar Hussain Baloch
Mazhar Hussain Baloch
中科院分区:
工程技术4区
文献类型:
--
作者:
Sohaib Tahir;Jie Wang;Ghulam Sarwar Kaloi;Mazhar Hussain Baloch

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A novel technique for an optimized deadbeat controller, having higher convergence rate for certain disturbances and capability to maintain the system stability, rapid response and extinction of errors, is presented in this paper. This control law is stimulated with integral control for tracking the reference signals. Moreover, the deadbeat controller is proposed with a state estimator and a disturbance observer for estimating the next sampling interval and to maintain the robustness along with rapid dynamic as well as static response in case of load uncertainty or unpredicted disturbance. The proposed technique is found relatively more effective than the conventional controller and previously designed deadbeat controllers due to its properly designed parameters, as discussed through simulation and by loop experiments in real time hardware assessments.
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