Compliant mechanisms can achieve a specified motion as a mechanism without relying on the use of joints and pins. They have broad application in precision mechanical devices and Micro-Electro Mechanical Systems (MEMS) but ...

Este artigo tem por objetivo avaliar a eficiência dos custos operacionais de empresas distribuidores de energia elétrica. Para isso, aplicou-se o método estatístico não paramétrico de Análise Envoltória de Dados, com três ...

This paper evaluates the efficiency of water and sewerage companies (WaSCs) by introducing the lack of service quality as undesirable outputs. It also investigates whether the production frontier of WaSCs is overall constant ...