Three-phase four-leg inverter based on current positive feedback control

2016 ◽  
Author(s):  
Wang Xiangqing ◽  
Zhang Xiaoyong ◽  
Fu Maosheng
Keyword(s):  
Feedback Control ◽  
Positive Feedback ◽  
Three Phase

scholarly journals Positive feedback control of Ca2+ mobilization by intracellular alkalization in smooth muscle.

1994 ◽  
Vol 64 ◽  
pp. 137
Author(s):  
Eiji Yomota ◽  
Shigeru Hishinuma ◽  
Masaatsu K. Uchida ◽  
Tomokazu Oshima
Keyword(s):  
Smooth Muscle ◽  
Feedback Control ◽  
Positive Feedback

scholarly journals Some Problems of Feedback Control Strategies and It’s Treatment

2017 ◽  
Vol 9 (1) ◽  
pp. 39 ◽  
Author(s):  
Maysoon M. Aziz ◽  
Saad Fawzi AL-Azzawi
Keyword(s):  
Dynamical Systems ◽  
Feedback Control ◽  
Numerical Simulations ◽  
Positive Feedback ◽  
Control Strategies ◽  
Novel Approach

This paper extends and improves the feedback control strategies. In detailed, the ordinary feedback, dislocated feedback, speed feedback and enhancing feedback control for a several dynamical systems are discussed here. It is noticed that there some problems by these strategies. For this reason, this Letter proposes a novel approach for treating these problems. The results obtained in this paper show that the strategies with positive feedback coefficients can be controlled in two cases and failed in another two cases. Theoretical and numerical simulations are given to illustrate and verify the results.

scholarly journals Cyclic Neutropenia: The Relationship Between Urine Granulocyte Colony Stimulating Activity and Neutrophil Count

Blood ◽  
1973 ◽  
Vol 41 (1) ◽  
pp. 79-84 ◽  
Author(s):  
Aroop Mangalik ◽  
W. A. Robinson
Keyword(s):  
Feedback Control ◽  
Neutrophil Count ◽  
Positive Feedback ◽  
Control Mechanism ◽  
Cyclic Neutropenia ◽  
Granulocyte Count ◽  
Colony Stimulating Activity ◽  
The Relationship

Abstract Urinary colony stimulating activity (CSA) has been studied in a 70-yr-old female with chronic cyclic neutropenia of unknown cause. Changes in urinary CSA were correlated with absolute granulocyte counts and were found to be highest when the granulocyte count was high or falling. It is suggested, on the basis of this and other data, that granulopoiesis, at least in part, may be regulated by a positive feedback control mechanism.

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