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Fe–Si–B metallic glass foils were laser treated using a continuous wave Nd:YAG laser. Electrical resistivity and ultimate tensile strength of the laser treated foils were evaluated using four point probe method and Instron universal testing machine respectively in order to realize the structural changes during laser treatment. Electrical resistivity increased with laser fluence till the laser fluence...
In this paper, flexible AC transmission system (FACTS) devices are optimally allocated in a power network to achieve optimal power flow (OPF) solution. The location of FACTS devices and the setting of their control parameters are optimized by a bacterial swarming algorithm (BSA) to improve the performance of the power network. Two objective functions are simultaneously considered as the indexes of...
Noise removal is an underlying issue of image processing. This paper proposes a generic approach to design an optimal filter which combines linear and morphological filtering techniques, so that both Gaussian and non-Gaussian noise can be rejected. The optimisation process is performed by a bacterial swarming algorithm (BSA), which is derived from the bacterial foraging algorithm (BFA) and involves...
This paper presents a dynamic bacterial swarming algorithm (DBSA) for harmonic estimation in dynamic environment. DBSA is designed from a dynamic searching framework that combines the underlying mechanisms of bacterial chemotaxis, quorum sensing and environment adaptation. The harmonic estimation process utilizes DBSA to estimate the phases of the harmonics, alongside a least square (LS) method to...
This paper presents a group search optimizer with multiple producer (GSOMP) for reactive power dispatch incorporating with flexible AC transmission system (FACTS) devices, which is formulated as a nonlinear constrained multi-objective optimization problem. The optimal location of multi-type FACTS devices and their control parameters are optimized by GSOMP to minimize the real power loss and also to...
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