Projeto e análise de um sistema híbrido para veículos de carga

Abstract

The road logistics it’s a vital sector for transportation in Brazil. Although currently this transportation mode represents one of the bottlenecks for the country’s development, giving the high costs – intrinsic of this transportation mode – and the poor infrastructure. In light of this concept, the present work cover the study and development of a hybrid system to be installed in light and heavy-duty trucks whose function is to regenerate the waste energy of braking, and so increase the energy efficiency. The review first sets out the wasted energy in braking and then evaluate which requirements the mechanical and electrical system must achieve to ensure a realistic capacity of restoring energy. The study is drafted through a computational program which estimate’s the forces and energies during the movement of a truck. After the test results it can be concluded that the system is not feasible due to a series of factors (like the high acquisition cost for electrical equipment, low recharge rate and as a consequence, low financial return). As will be later verified, the proposed system has demonstrated technical feasibility, but low financial viability. It’s important to highlight that the hybrid systems and electrical has many benefits and without doubts they will be the most popular system in automotive applications. In this regard, require more technical development that enables lower costs of electrical machines, witch in the future, they will be available to all logistics players.