First order phase transitions are easily described in terms of the competition between two phases (see e.g. [1]). Consider for definiteness a temperature driven phase transition between a disordered phase and a q-fold degenerate ordered phase of free energy fd(β) and fo(β). In order to use numerical methods, one needs to know the behavior of statistical averages in a finite volume, close to the...

Abstract Non-isothermal reaction mechanism and kinetic analysis for the synthesis of monoclinic lithium zirconate (m-Li 2 ZrO 3 ) were investigated by processing TG-DTA, along with XRD, DLS, HRTEM. For this purpose, solid-state Li CO was carried out TG-DTA at different heating rates (10, 20, 30 °C/min) from room temperature to 1100 °C. The thermal data used calculate parameters two types isocon...

This paper presents a new method of fault detection based on residual signal generation. Most the existing diagnostic methods that use to detect failure are often knowledge system model. The developed does not require precise or deep information about It is reconstruction output via an ultra-local model and model-free controller. reconstructed/estimated used build which indicator. Several simul...

Capacitor voltage balancing is of importance in the neutral-point-clamped based dual-active-bridge converters. Most traditional methods adopt transformer current models process, as direction neutral-point affected by polarity. However, this approach requires heavy and repetitive offline precalculation for polarity under various operating modes, thus, leading to complicated implementation. To ov...

this paper is concerned with global analysis of a delay sveir epidemiological model in a population of varying size. by using lyapunov stability method and lasalle’s invariance principle for delay systems, we prove that when there is no endemic equilibrium, the disease free equilibrium is globally asymptotically stable, otherwise the endemic equilibrium is globally stable.