scholarly journals Input/output stability of a damped string equation coupled with ordinary differential system

2018 ◽  
Vol 28 (18) ◽  
pp. 6053-6069 ◽  
Author(s):  
Matthieu Barreau ◽  
Frédéric Gouaisbaut ◽  
Alexandre Seuret ◽  
Rifat Sipahi

2018 ◽  
Vol 63 (11) ◽  
pp. 3850-3857 ◽  
Author(s):  
Matthieu Barreau ◽  
Alexandre Seuret ◽  
Frederic Gouaisbaut ◽  
Lucie Baudouin


1974 ◽  
Vol 96 (3) ◽  
pp. 315-321 ◽  
Author(s):  
G. Jumarie

Sampled-data, nonlinear, distributed systems, which exhibit a structure similar to that of the standard closed loop with lumped parameter, are investigated from the viewpoint of their input-output stability. These systems are governed by operational equations involving discrete Laplace-Green kernels. Their feedback gains are bounded by upper and lower values which depend explicitly on the time and the distributed parameter. The main result is: an input-output stability theorem is given which applies both in L∞ (O, ∞) and L2 (O, ∞). This criterion, which may be considered as being an extension of the ≪circle criterion≫, involves the mean square value on the bounds of the feedback gain. Stability conditions for continuous systems are derived from this result. In the special case of systems with distributed periodical time-varying feedback gains, a stability criterion is given which applies in Marcinkiewicz space M2 (O, ∞). This result which involves the mean square value of the feedback gain is generally less restrictive than the L2 (O, ∞) stability criterion mentioned above.







2019 ◽  
Vol 64 (1) ◽  
pp. 174-189 ◽  
Author(s):  
Mohsen Ghodrat ◽  
Horacio J. Marquez


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