Search results for "USP"
showing 10 items of 1290 documents
Colloidal layers in magnetic fields and under shear flow
2005
The behaviour of colloidal mono- and bilayers in external magnetic fields and under shear is discussed and recent progress is summarized. Superparamagnetic colloidal particles form monolayers when they are confined to a air–water interface in a hanging water droplet. An external magnetic field allows us to tune the strength of the mutual dipole–dipole interaction between the colloids and the anisotropy of the interaction can be controlled by the tilt angle of the magnetic field relative to the surface normal of the air–water interface. For sufficiently large magnetic field strength crystalline monolayers are found. The role of fluctuations in these two-dimensional crystals is discussed. Fur…
Cone-beam computed tomography analysis of root and canal morphology of mandibular premolars in a Spanish population
2014
Purpose: This study aimed to investigate the clinical anatomy of lower premolar roots in a Spanish population by using cone-beam computed tomography (CBCT), correlating findings with patient gender and tooth type. Materials and Methods: Using 70 CBCT images, we evaluated 126 healthy, untreated, well-developed lower premolars. The number and morphology of roots and root canals, and the foramina number were assessed. Results for gender and tooth type were compared using the chi-squared and ANOVA tests. Results: The average length of teeth and roots was significantly higher in men (p=0.00). All 126 premolars had a single root. One canal was found in 83.3% of the premolars, with no gender or to…
Spectral WENO schemes with Adaptive Mesh Refinement for models of polydisperse sedimentation
2012
The sedimentation of a polydisperse suspension with particles belonging to N size classes (species) can be described by a system of N nonlinear, strongly coupled scalar first-order conservation laws. Its solutions usually exhibit kinematic shocks separating areas of different composition. Based on the so-called secular equation [J. Anderson, Lin. Alg. Appl. 246, 49–70 (1996)], which provides access to the spectral decomposition of the Jacobian of the flux vector for this class of models, Burger et al. [J. Comput. Phys. 230, 2322–2344 (2011)] proposed a spectral weighted essentially non-oscillatory (WENO) scheme for the numerical solution of the model. It is demonstrated that the efficiency …
Matlab/Simulink-Based Modeling for Industrial Electric Vehicle
2023
The land transport sector has passed through multiple phases of evolution in design, development, and manufacturing of vehicles. In particular, the construction site continues to progress towards the autonomous vehicles (also called self-driving), which were one of its big trends and have become a hot topic in the industrial and academic world. By now, with this new technology of autonomous driving, we can ensure safety by reducing the number of road accidents, also the environmental impact and energy consumption is lessened. The modeling and simulation phases had become a mandatory step to design, characterize and simulate vehicle dynamics while reducing the cost of development. As they pr…
An Adaptive Metamodel-Based Optimization Approach for Vehicle Suspension System Design
2014
Published version of an article in the journal: Mathematical Problems in Engineering. Also available from the publisher at: http://dx.doi.org/10.1155/2014/965157 The performance index of a suspension system is a function of the maximum and minimum values over the parameter interval. Thus metamodel-based techniques can be used for designing suspension system hardpoints locations. In this study, an adaptive metamodel-based optimization approach is used to find the proper locations of the hardpoints, with the objectives considering the kinematic performance of the suspension. The adaptive optimization method helps to find the optimum locations of the hardpoints efficiently as it may be unachie…
Robust fault-tolerant H∞ control of active suspension systems with finite-frequency constraint
2015
Abstract In this paper, the robust fault-tolerant (FT) H ∞ control problem of active suspension systems with finite-frequency constraint is investigated. A full-car model is employed in the controller design such that the heave, pitch and roll motions can be simultaneously controlled. Both the actuator faults and external disturbances are considered in the controller synthesis. As the human body is more sensitive to the vertical vibration in 4–8 Hz, robust H ∞ control with this finite-frequency constraint is designed. Other performances such as suspension deflection and actuator saturation are also considered. As some of the states such as the sprung mass pitch and roll angles are hard to m…
Suspension des poursuites individuelles. Champ d'application, Principe d'unité du patrimoine, Créance née d'une activité distincte de celle ayant don…
1992
International audience; (Com. 27 nov. 1991, SCI La Fenière c/ Berle et autres)
Droit de poursuite des créanciers. Conditions d'exercice des poursuites d'un créancier social contre les associés d'une société en nom collectif en r…
2007
International audience; (Com. 19 déc. 2006, pourvoi n° 02-21.333, arrêt n° 1502 F-P+B+R+I, Receveur principal des impôts de Dinan c/ Sté Cordon électronique, D. 2007. AJ. 92, obs. A. Lienhard ; Rev. sociétés 2007. 410, obs. J.-F. Barbièri ; Bull. Joly 2007. 472. § 123, note C. Regnaut-Moutier)
Droit de poursuite des créanciers. Conditions d'exercice des poursuites d'un créancier social contre les associés d'une société civile immobilière en…
2007
International audience; (Ch. mixte, 18 mai 2007, pourvoi n° 05-10.413, arrêt n° 252, D. 2007. AJ. 1414, obs. A. Lienhard)
Suspension des poursuites individuelles. Instances en cours, Notion, Instance d'appel d'une décision sur le fond exécutoire par provision ordonnant l…
1995
International audience; (Com. 14 juin 1994, SARL Tropic c/ SARL Créatis Marbre et autre ; Com. 12 juill. 1994, Epoux Maggini et autres c/ SA Group form ; Com. 14 juin 1994, SA Comptoir général agricole c/ SA Vanel et autre)