In this paper, the challenges that a designer has while attempting to create variable structure controller for robotic arm exhibits vibration rattling are examined. This challenge is made more difficult by number of characteristics, including oscillation, limited frequency range, and amplitude. The outcomes research make it very evident these must be selected. majority time, because gain settin...

The phonon dispersion relations of crystal lattices can often be well-described with the harmonic approximation. However, when potential energy landscape exhibits more anharmonicity, for instance, in case a weakly bonded or temperature is raised, approximation fails to capture all lattice dynamics properly. Phonon-phonon scattering mechanisms become important and limit lifetimes. We take novel ...

Point defects are a universal feature of crystalline materials. Their identification is often addressed by combining experimental measurements with theoretical models. The standard approach simulating is, however, prone to missing the ground state atomic configurations associated energy-lowering reconstructions from idealised crystallographic environment. Missed states compromise accuracy calcu...

The prospects for international security are closely linked to solving the age-old problems of war and peace, especially on European continent. long period residence peoples in this part world, their communication with each other revealed numerous models coexistence from armed confrontation formation political integration focus first economic component then socio-political unity. creation Union...

Rich evidence indicates that monoamine oxidase (MAO) A, the major enzyme catalysing the degradation of monoamine neurotransmitters, plays a key role in emotional regulation. Although MAOA deficiency is associated with reactive aggression in humans and mice, the involvement of this enzyme in defensive behaviour remains controversial and poorly understood. To address this issue, we tested MAOA kn...

In this paper, we focus on one critical issue in security management that is intrusion detection. Intrusion detection requirements and concepts are reviewed. Some existing systems are described. Their advantages and limitations are illustrated. Drawbacks of existing intrusion detection systems involve the necessity of designing a new generation of self-adaptive systems. In fact, mainly, self-co...