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Energy management system plays a vital role in exploiting advantages of battery and supercapacitor hybrid energy storage systems in electric vehicles. Various energy management systems have been reported in the literature, of which the model predictive control is attracting more attentions due to its advantage in deal with system constraints. In this paper, a predictive energy management system is...
Accurate and reliable prediction on power demand is critically important for effective power or energy management for hybrid energy storage systems with battery- super-capacitor for electric vehicles. Terrain information is one of the most common factors on power demand prediction from both driving and regenerative braking. This paper first establishes system dynamic models with battery, super-capacitor...
To improve the performance of electric vehicle (EV), supercapacitor has been used as an auxiliary energy storage system for battery due to its high power density and fast charging and discharging characteristics. However, the challenge is how to coordinate or optimize these two energy sources in order to take full advantage of their strengths respectively. In this paper, a two-layer energy management...
Hybrid energy storage system of electric vehicles (EVs) has great potential to take full advantages of high power density with supercapacitor and high energy density with battery to improve the dynamic performance and energy efficiency of EVs. However, its energy management becomes much more complicated, in particular, the power distribution between super-capacitor and battery. This article proposes...
The energy storage system (ESS) is the heart of electric vehicles, which determines their efficiency, power, and driving range, etc. The emerging demand of modern electric vehicles often requires the ESS to preserve high energy density, along with the high peak power. Nowadays, batteries and supercapacitors, which could deliver high energy and power capability respectively, are commonly used as the...
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