R . H . Z . de Almeida

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Purpose: this paper aims to present a simple method that allows for a systematic estimation of coverage of peen aluminum workpiece submitted to a peen form process. Design/methodology/approach: This approach is based on the application of computer vision techniques for segmenting amplified images of the shot peening processed surface. The work has employed(More)
Transparent optical networks offer a common transport platform for services with different bit-rates, transmission formats and technologies. In such a heterogeneous scenario, it is an inefficient use of network resource to provision end-to-end lightpaths without considering the different optical performance requirements of the different service interfaces.(More)
Most research papers about parallel kinematic chain mechanisms investigate symmetric robot manipulators, in which all the limbs connecting the end-effector to the fixed based are composed by the same sequence of links and joints. Contrarily, in some manipulation tasks the velocity and stiffness requirements are anisotropic. In such cases, the asymmetric(More)
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