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What is State-of-Charge

Chapter 18
Handbook of Research on Modern Optimization Algorithms and Applications in Engineering and Economics
State-of-Charge (SoC) of a PHEV battery is expressed as the ratio of its capacity of current to the nominal capacity . The nominal capacity is known by the vehicle manufacturer and shows the maximum amount of charge that can be stored in the battery. SoC estimation is a fundamental challenge for battery use. The SoC of a battery, which is used to describe its remaining capacity, is a very important parameter for a control strategy. The SoC can be defined as follows:
Published in Chapter:
Hybrid Particle Swarm and Gravitational Search Optimization Techniques for Charging Plug-In Hybrid Electric Vehicles
Imran Rahman (Universiti Teknologi Petronas, Malaysia), Pandian Vasant (University of Technology Petronas, Malaysia), Balbir Singh Mahinder Singh (Universiti Teknologi Petronas, Malaysia), and M. Abdullah-Al-Wadud (King Saud University, Saudi Arabia)
Copyright: © 2016 |Pages: 34
DOI: 10.4018/978-1-4666-9644-0.ch018
Abstract
Electrification of Transportation has undergone major modifications since the last decade. Success of combining smart grid technology and renewable energy exclusively depends upon the large-scale participation of Plug-in Hybrid Electric Vehicles (PHEVs) towards reach the desired pollution-free transportation industry. One of the key Performance pointers of hybrid electric vehicle is the State-of-Charge (SoC) which needs to be enhanced for the advancement of charging station using computational intelligence methods. In this Chapter, authors applied Hybrid Particle swarm and gravitational search Optimization (PSOGSA) technique for intelligently allocating energy to the PHEVs considering constraints such as energy price, remaining battery capacity, and remaining charging time. Computational experiment results attained for maximizing the highly non-linear fitness function estimates the performance measure of both the techniques in terms of best fitness value and computation time.
Full Text Chapter Download: US $37.50 Add to Cart
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Chapter 12
Swarm Intelligence-Based Optimization for PHEV Charging Stations
State-of-Charge (SoC) of a PHEV battery is expressed as the ratio of its capacity of current ( ) to the nominal capacity ( ). The nominal capacity is known by the vehicle manufacturer and shows the maximum amount of charge that can be stored in the battery. SoC estimation is a fundamental challenge for battery use. The SoC of a battery, which is used to describe its remaining capacity, is a very important parameter for a control strategy. The SoC can be defined as follows: . Recently, with the development of artificial intelligence, various new adaptive systems for SOC estimation have been developed .The new developed methods include back propagation (BP) neural network, radial basis function (RBF) neural network, fuzzy logic methods, support vector machine, fuzzy neural network, and Kalman filter. The adaptive systems are self-designing ones that can be automatically adjusted in changing systems. As batteries have been affected by many chemical factors and have nonlinear SOC, adaptive systems offer good solution for SOC estimation.
Published in Chapter: Swarm Intelligence-Based Optimization for PHEV Charging Stations; From: Handbook of Research on Swarm Intelligence in Engineering
Full Text Chapter Download: US $37.50 Add to Cart
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