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The electric motors of the trains in a railway system are powered by electricity, and the energy demand is high. In addition, rail-based transport systems continue to grow, and therefore, solutions are currently sought to optimise energy consumption. This article presents an analysis of electric multiple units (EMUs) of the Companhia Brasileira de Trens Urbanos — Brazilian Urban Train Company (CBTU)...
The increase in the demand for wireless sensor networks (WSNs) has intensified studies which aim to obtain energy-efficient solutions, since the energy storage limitation is critical in those systems. However, there are other aspects which usually must be ensured in order to provide an efficient design of WSNs, such as area coverage and network connectivity. This paper proposes a multiobjective hybrid...
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