Simple Robust Tuning of 2DoF PID Controllers From A Performance/Robustness Trade-off Analysis

2012 ◽  
Vol 15 (6) ◽  
pp. 1700-1713 ◽  
Author(s):  
V.M. Alfaro ◽  
R. Vilanova
Keyword(s):  
Pid Controllers ◽  
Trade Off ◽  
Performance Robustness ◽  
A Performance

On a performance-robustness trade-off intrinsic to the natural anti-windup problem

Automatica ◽  
2006 ◽  
Vol 42 (11) ◽  
pp. 1849-1861 ◽  
Author(s):  
Sergio Galeani ◽  
Andrew R. Teel
Keyword(s):  
Trade Off ◽  
Performance Robustness ◽  
A Performance

Generalized homogenization model of piezoelectric materials for ultrasonic transducer applications

2021 ◽  
pp. 002199832110588
Author(s):  
Fidéle Léopold Hanse Wampo ◽  
Richard Ntenga ◽  
Joseph Yves Effa ◽  
Yuri Lapusta ◽  
Guy Edgar Ntamack ◽  
...  
Keyword(s):  
Coupling Coefficient ◽  
Volume Fraction ◽  
Piezoelectric Materials ◽  
Ultrasonic Transducer ◽  
Trade Off ◽  
Analytical Results ◽  
Homogenization Model ◽  
A Performance

Although piezocomposite (PC) materials have increasingly attracted researchers, there is still a need to properly and easily derive their properties. We develop a generalized homogenization model (GHM) that accounts for Smith and Cha approaches to evaluate the equivalent characteristics of piezocomposites. This method could be applied to all connectivities patterns, but restricted herein to 2-2 and 1-3 piezocomposites for comparison with Smith (1-3) and Cha (2-2) analytical results. In the proposed GHM is a parameter θ, is changed for various connectivities. The 1-3 and 2-2 PZT-7A/Araldite D (PCs) data are used and equivalent characteristics of these Pcs are determined as function of volume fraction of PZT-7A piezoelectric. Results show that the electromechanical coefficients are well fitted by Voigt and Reuss models. Results obtained for some parameters show that the proposed GHM is consistent with the analytical existing models used for the 1-3 and 2-2 connectivities and is in line with measured values from Chan and Unsworth (1989). Based on the GHM 2-2 configuration results of piezocomposite materials, the electroacoustic responses of transducers having some of these properties are simulated using the KLM model. A performance trade-off was chosen, resulting in an improved thickness coupling coefficient and a lowered acoustical impedance, and a similar approach as that on a pure PZT-7A.

Gain Tuning of Fuzzy PID Controllers for MIMO Systems: A Performance-Driven Approach

2015 ◽  
Vol 23 (4) ◽  
pp. 757-768 ◽  
Author(s):  
Paulo Gil ◽  
Catarina Lucena ◽  
Alberto Cardoso ◽  
Luis Brito Palma
Keyword(s):  
Mimo Systems ◽  
Pid Controllers ◽  
Fuzzy Pid ◽  
A Performance

scholarly journals Androgenic modulation of extraordinary muscle speed creates a performance trade-off with endurance

2020 ◽  
Vol 223 (11) ◽  
pp. jeb222984 ◽  
Author(s):  
Daniel J. Tobiansky ◽  
Meredith C. Miles ◽  
Franz Goller ◽  
Matthew J. Fuxjager
Keyword(s):  
Trade Off ◽  
A Performance
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