Rule-Based Energy Management Strategy for Hybrid Electric Road Train

This paper discusses the design and implementation of rule-based energy management strategy for Hybrid Electric Road Train. The Hybrid Electric Road Train is a locally designed and developed mass transportation system envisioned to be an alternative mass transport in the Philippines to help ease traffic in urban cities. As a hybrid vehicle, energy management strategy (EMS) is critical in its operation. A rule-based strategy was used wherein the battery only gives power during a determined power demand from the generator during acceleration or high load conditions. The idea is to balance power availability for the load and the state of charge of the batteries. The proposed EMS was evaluated during the performance testing of the Road Train on actual road conditions, and it was found to be effective in achieving the objective.