Vehicle routing is traditionally based on Dijkstra or Dijkstra-like algorithms. These algorithms worked well for fossil fuel vehicles. The increase in pollution levels, government regulations, and pressure from environmental groups have caused an increase in electric vehicles (EVs) production and use. EVs are capable of regenerating energy which creates negative weights in search graphs that traditional algorithms are incapable of handling without some modifications. This study presents a model that characterises the energy consumption of an electric vehicle. Most passive and active factors are presented and applied in the formulation. The presented model is verified against 306 kilometres of driven data and proved to have 1.3% absolute error difference between the real vehicle's consumed energy versus the predicted energy consumption as generated by the model. The model is then used with a particle swarm optimisation algorithm to solve the single constraint optimisation problem of finding the most energy efficient route between 2 points on a map. Simulation and real-world test results demonstrate savings in the energy consumption of the electric vehicle. Results showed more than 9.2% reductions in the energy consumption of the electric vehicle when driven on the developed algorithms’ suggested routes rather than the ones generated by Google Maps and MapQuest.
Electric vehicle modelling and energy-efficient routing using particle swarm optimisation
IET Intelligent Transport Systems ; 10 , 2 ; 65-72
2016-03-01
8 pages
Article (Journal)
Electronic Resource
English
EVs production , energy consumption , pollution levels , government regulations , energy regeneration , electric vehicles , search problems , graph theory , energy conservation , vehicle routing , Dijkstra-like algorithms , active factors , electric vehicle modelling , particle swarm optimisation algorithm , energy-efficient routing , search graphs , passive factors , single constraint optimisation problem , particle swarm optimisation , fossil fuel vehicles
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