Le déploiement des robots parallèles à câbles (RPC) dans l’industrie est en cours d’étude pour leur faible coût de réalisation et leur grand espace de travail dans des domaines applicatifs très variés. Par ailleurs, l’usage de câbles pour la transmission entraîne une réduction des masses des parties mobiles par rapport à une transmission rigide, ce...
Published in Journal of the Brazilian Society of Mechanical Sciences and Engineering
According to the literature, structural health monitoring techniques based on state observers usually evaluate the differences between measured and estimated states to detect a damage. The practical application of this strategy is an unfeasible solution if the monitoring system needs to detect damages in a region of the structure where sensors cann...
Published in Innovative Infrastructure Solutions
In earlier days, the only way to resist the lateral loads was to increase the lateral strength of the structure obtained by making larger cross sections and massive buildings. Structural control is one of the solutions and important topics in both points of view of security and comfort in recent years. To reduce the effect of seismic energy, one of...
Published in International Journal of Computational Intelligence Systems
Technique of approximate optimal vibration control and simulation for vehicle active suspension systems are developed. Considered the nonlinear damping of springs, mechanical model and a nonlinear dynamic system for a class of tracked vehicle suspension vibration control are established and the corresponding system of state space form is described....
Published in Journal of the Brazilian Society of Mechanical Sciences and Engineering
The double-beam system finds many applications in various engineering fields due to its light-weight, sufficient rigidity (flexibility), and robust and reliable performance. The concentrated masses are frequently attached to the double-beam system, yet few related studies are available in the literature. This paper investigates a special configurat...
Published in Journal of the Brazilian Society of Mechanical Sciences and Engineering
This paper presents the evaluation of the vibration control on the performance of magneto-rheological fluid damper (MR damper in short) for gun recoil system. In this study, a magneto-rheological (MR) damper type RD-8040 manufactured by Lord Corporation is used. Then, characterization of MR damper is carried out by varying recoil energy and input c...
Published in Journal of the Brazilian Society of Mechanical Sciences and Engineering
This article deals with identification of nonlinear dynamics and active control of boring bar chatter. A control system with unidirectional actuation is proposed, which consists of an accelerometer sensor that monitors the cutting tool vibrations as well as an electrodynamic shaker that exerts a controllable force to a boring bar in the radial dire...
Abstract The studies on vibration frequency as well as loading capacity of slender systems are very important issues in the design process. Integration of smart materials with the host structures allows one to create constructions which are able to adjust to the different conditions. The piezo material belongs to the smart materials group. Applicat...
peer reviewed / A new and computationally efficient criterion is developed concerning the optimal placement of a collocated sensor-actuator pair for active control of structural vibrations with a low authority controller. The basic idea behind the proposed criterion is based on the maximization of the pole-zero distance in open-loop which has a dir...
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