Dynamical Characteristics and Signal Flow Graph of Nonlinear Fractional Smoking Mathematical Model

2020 ◽  
Vol 141 ◽  
pp. 110308 ◽  
Author(s):  
A.M.S. Mahdy ◽  
M.S. Mohamed ◽  
K.A. Gepreel ◽  
A. AL-Amiri ◽  
M. Higazy
Keyword(s):  
Mathematical Model ◽  
Signal Flow Graph ◽  
Flow Graph ◽  
Signal Flow ◽  
Dynamical Characteristics

scholarly journals Converter for the Drive of two Brushed DC motors

2021 ◽  
Vol 15 ◽  
pp. 249-256
Author(s):  
Felix A. Himmelstoss ◽  
Helmut L. Votzi
Keyword(s):  
Mathematical Model ◽  
Transfer Functions ◽  
Signal Flow Graph ◽  
Flow Graph ◽  
Signal Flow ◽  
Dc Motors ◽  
Four Quadrant ◽  
The Mathematical Model ◽  
Two Machines

Brushed DC-motors are, due to their simplicity and easiness to control, still more and more used. Here a converter for two machines is treated. The basic two-quadrant converter for supplying two machines is described, the converter is designed. The expansion to a four-quadrant drive and the reduction to a onequadrant drive for both motors are explained. The mathematical model for the drives are derived, and the transfer functions are calculated with the help of the signal flow graph. Simulations close and prove the investigations

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