This paper presents a modified Iteration Particle Swarm Optimization (IPSO) algorithm to tune optimal gains of a Proportional Integral Derivative (PID) type multiple stabilizers and non-smooth nonlinear parameters (such as saturation limits) for multi machine power system, simultaneously. The problem of robustly tuning of PID based multiple stabilizer design is formulated as an optimization pro...

In this work, we analyze a series of o-hydroxyaryl aldehydes to discuss the interrelation between the resonance-assisted hydrogen bond (RAHB) formation and the aromaticity of the adjacent aromatic rings. As compared to the nonaromatic reference species (malonaldehyde), the studied compounds can be separated into two groups: first, the set of systems that have a stronger RAHB than that of the re...

The insulation fault is a major problem in high voltage cable lines. factors the faults are harmonic currents and metal sheath (MV) that occur on of cable. MV distortion should be minimized to prevent faults. Thus, sectional solid bonding with different grounding resistance (SSBr) method developed as new for minimizations current MV. Also, SSBr optimized by according minimum rate Inertia weight...

A precise predictive model is needed to obtain a clear understanding of the changing dissolved oxygen content in outdoor crab ponds, to assess how to reduce risk and to optimize water quality management. The uncertainties in the data from multiple sensors are a significant factor when building a dissolved oxygen content prediction model. To increase prediction accuracy, a new hybrid dissolved o...

The integration of renewable power generation introduces randomness and uncertainties in systems, the reactive optimization with interval uncertainty (RPOIU) problem has been constructed to acquire voltage control strategy. However, large amount uncertain data coexistence discrete continuous variables increase difficulty solving RPOIU problem. This paper proposes a data-driven hybrid based on s...

Large-scale voltage collapse incidences, which result in power outages over large regions and extensive economic losses, are presently common occurrences worldwide. To avoid operate more safely reliably, it is necessary to analyze the security operation region (VSOR) of systems, has become a topic increasing interest lately. In this paper, novel improved particle swarm optimization recursive le...

Spirodienones bearing the 1-azaspiro[4.5]decane ring system have been synthesized from N-methoxy-(4-halogenophenyl)amides by the intramolecular ipso attack of a nitrenium ion generated with [hydroxy(tosyloxy)iodo]benzene in trifluoroethanol.