4 papers
Mixed finite element discretization of intrinsic geometrically exact beams for explicit multibody dynamics
Andrea Brugnoli, Philipp L. Kinon, Francesco Sanfedino +2
The Reissner-Simo and Hodges models are two equivalent continuous descriptions of finite-strain beam dynamics. The Reissner-Simo formulation uses displacements and rotations, while…
Robust H2/H-infinity control under stochastic requirements: minimizing conditional value-at-risk instead of worst-case performance
Ervan Kassarian, Francesco Sanfedino, Daniel Alazard +1
Conventional robust H2/H-infinity control minimizes the worst-case performance, often leading to a conservative design driven by very rare parametric configurations. To reduce this…
Worst-case search in constrained uncertainty space for robust H-infinity synthesis
Ervan Kassarian, Francesco Sanfedino, Daniel Alazard +1
Standard linear H-infinity/H2 robust control and analysis tools operate on uncertain parameters assumed to vary independently within prescribed bounds. This paper extends their cap…
Non-linear dynamics of multibody systems: a system-based approach
Daniel Alazard, Francesco Sanfedino, Ervan Kassarian
This paper presents causal block-diagram models to represent the equations of motion of multi-body systems in a very compact and simple closed form. Both the forward dynamics (from…