Vibration Control of Multi-Modular VLFS in Random Sea Based on Stiffness-Adjustable Connectors

Adjustable Speed Drive Control Based on Random Pulse Width Modulation

The Pulse Width Modulation (PWM) power electronics systems often produce objectionable acoustic noise at the PWM switching frequency. For example, in a fan / blower drive, the drive used for the blower should use “spread spectrum PWM” technology (also known as Random PWM) where acoustic noise radiating through the duckwork is a very seriously concerned. This paper shows the theoretical basis fo...

the effect of taftan pozzolan on the compressive strength of concrete in the environmental conditions of oman sea (chabahar port)

cement is an essential ingredient in the concrete buildings. for production of cement considerable amount of fossil fuel and electrical energy is consumed. on the other hand for generating one tone of portland cement, nearly one ton of carbon dioxide is released. it shows that 7 percent of the total released carbon dioxide in the world relates to the cement industry. considering ecological issu...

Modeling Communication in Multi-Processor Systems-on-Chip Using Modular Connectors

Adaptive Control based on Adjustable Evaluation Function

Every control design involves manipulating a controller so that a controlled plant behaves as desired. Various methodologies for manipulating the controller for certain well-defined classes of control problems have been well developed and proven. Despite great efforts, similar techniques are not available for more general classes of control problems involving nonlinear systems. Incorporating ad...

Multi-Stage Fuzzy Load Frequency Control Based on Multi-objective Harmony Search Algorithm in Deregulated Environment

A new Multi-Stage Fuzzy (MSF) controller based on Multi-objective Harmony Search Algorithm (MOHSA) is proposed in this paper to solve the Load Frequency Control (LFC) problem of power systems in deregulated environment. LFC problem are caused by load perturbations, which continuously disturb the normal operation of power system. The objectives of LFC are to mini small size the transient deviati...