A method for the stability analysis of impulse feedback control systems

1967 ◽  
Vol 10 (3) ◽  
pp. 204-206
Author(s):  
A. I. Cherepanov
Keyword(s):  
Stability Analysis ◽  
Feedback Control ◽  
Control Systems ◽  
Feedback Control Systems ◽  
The Stability

Stability of Pulse-Width Modulated Systems under Gaussian Disturbances

1971 ◽  
Vol 4 (1) ◽  
pp. T1-T5
Author(s):  
J. A. Heinen ◽  
S. H. Wu
Keyword(s):  
Computer Simulation ◽  
Feedback Control ◽  
Control Systems ◽  
Pulse Width ◽  
Pulse Width Modulated ◽  
Systematic Procedure ◽  
Feedback Control Systems ◽  
The Stability

A systematic procedure for determining the stability and oscillations of pulse-width modulated (PWM) feedback control systems under Gaussian disturbances is presented. The method is based upon statistical linearisation and the equivalent gain concept developed by Sridhar and Oldenburger. Equivalent gain formulas for general pulse-width modulated systems were developed and evaluated. Using these formulas a typical PWM system was studied. It was found that the predicted results agreed closely with the results obtained from computer simulation.

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