Investigation and Synthesis of Robust Polynomials in Uncertainty on the Basis of the Root Locus Theory

Author(s):  
Nesenchuk Alla
Keyword(s):  

1963 ◽  
Vol 110 (10) ◽  
pp. 1882 ◽  
Author(s):  
E.M. Deeley
Keyword(s):  


Automatica ◽  
2012 ◽  
Vol 48 (3) ◽  
pp. 480-489 ◽  
Author(s):  
Suat Gumussoy ◽  
Wim Michiels
Keyword(s):  




1959 ◽  
Vol 26 (2) ◽  
pp. 205-209
Author(s):  
R. H. Cannon

Abstract When a feedback system is devised to control a mechanical member that is structurally limber, unstable (“self-excited”) vibrations may be encountered at approximately a natural frequency of the structural member. Cures are generally easy to effect once the phenomena are understood. Two interesting cases are described: ground vibrations of an airplane control system due to a limber fuselage, and vibrations of a stable platform system due to limberness in the platform structure. The investigations are carried out using the root-locus technique, which provides a plot of system characteristics as explicit functions of control strength. In the case of the stable platform, the analysis is found to be more reliable than physical intuition.



2007 ◽  
pp. 607-620
Keyword(s):  


1981 ◽  
Vol 26 (2) ◽  
pp. 605-606 ◽  
Author(s):  
D. Ricciulli ◽  
A. Fregosi


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