Research ArticleOpen accessEvery word in the titleA Discrete-Time Hazard Model for Loans: Some Evidence from Italian Banking SystemGiambona FrancescaProblem statement: The probability of default, PD, is a crucial problem for banks. In the last years international accords (Basel, Basel 2 and Basel 3) have incentived banks to adopt objectives systems to evaluating and monitoring risk of default in order to predict PD for new loans based on borrower’s characteristics. The aim of this study is to introduce a … …American Journal of Applied Sciences, Vol. 9, Issue 9 · 14 Jul 2012 · 7,394 accessesView PDFCite
Research ArticleOpen accessEvery word in the titleUsing Look-up Tables to Model an Electromagnetic Suspension SystemMusaab HassanProblem statement: The aim of the study was to model an electromagnetic suspension system. The electromagnetic system consists of an electromagnet which was attracted an iron object which was freely suspended in air. Approach: Modelling a magnetic system requires modelling the magnetic force characteristics and the flux characteristics. The force characteristics were to be produced from a nonlinear flux characteristic-current. … …American Journal of Applied Sciences, Vol. 9, Issue 8 · 21 Jun 2012 · 6,889 accessesView PDFCite
Research ArticleOpen accessEvery word in the titleThe Mathematical Model of Power System with Static Var Compensator in Long Transmission LinePrechanon KumkratugProblem statement: It is becoming increasingly important to fully utilize the existing transmission system assets due to environmental legislation, rights-of-way issues and costs of construction and deregulation policies that introduced in recent years. The Static Var Compensator (SVC) has been proposed for the better control power flow and dynamic performance. The exact long transmission line model consists of the resistance … …American Journal of Applied Sciences, Vol. 9, Issue 6 · 15 Mar 2012 · 7,093 accessesView PDFCite
Research ArticleOpen accessEvery word in the titleThe Mathematical Model of Power System with Thyristor Controlled Series Capacitor in Long Transmission LinePrechanon KumkratugProblem statement: It is becoming increasingly important to fully utilize the existing transmission system assets due to environmental legislation, rights-of-way issues and costs of construction and deregulation policies that introduced in recent years. The Thyristor Controlled Series Capacitor (TCSC) has been proposed for the better control power flow and dynamic performance. The exact long transmission line model consists of the … …American Journal of Applied Sciences, Vol. 9, Issue 5 · 27 Feb 2012 · 6,833 accessesView PDFCite
Research ArticleOpen accessEvery word in the titleThe Effect of Thyristor Controlled Series Capacitor on Transient Stability of Single Machine Infinite Bus System with the Exact Short Transmission Line ModelPrechanon KumkratugProblem statement: It is becoming increasingly important to fully utilize the existing transmission system assets due to environmental legislation, rights-of-way issues, costs of construction and deregulation policies that were introduced in recent years. The Thyristor Controlled Series Capacitor (TCSC) has been proposed for better control power flow and dynamic performance. The exact short transmission line model consists of the resistance … …American Journal of Applied Sciences, Vol. 9, Issue 3 · 2 Feb 2012 · 7,466 accessesView PDFCite
Research ArticleOpen accessEvery word in the titleTransient Stability of the Power System with the Exact Long Transmission Line ModelPrechanon KumkratugProblem statement: The exact long transmission line model consists of the lump of the series resistance, reactance and shunt capacitance. With the consideration the actual long transmission line model, it causes in the difficulty of deriving the mathematical model. Approach: This study investigates the transient stability of power system with consideration the exact long transmission line model. The concept of … …American Journal of Applied Sciences, Vol. 9, Issue 3 · 24 Jan 2012 · 6,853 accessesView PDFCite
Research ArticleOpen accessEvery word in the titleInvestigating the Critical Clearing Time of Power System with the Exact Medium Transmission Line ModelPrechanon KumkratugProblem statement: The exact medium transmission line model consists of the resistance, series reactance and shunt capacitance. Most of previous research studies show the critical clearing time of single machine infinite bus while neglecting the resistance and capacitance of the line. Approach: This study investigates the critical clearing time of power system with consideration the exact medium transmission line mode. … …American Journal of Applied Sciences, Vol. 9, Issue 3 · 23 Jan 2012 · 7,411 accessesView PDFCite
Research ArticleOpen accessEvery word in the titleInvestigation of the Critical Clearing Time of Power System with Synchronous Machine Model Including SaliencyPrechanon KumkratugProblem statement: Most of synchronous generator applied in power system is the salient pole type. Most of previous researches use non-salient model to evaluate the critical clearing time. Thus the results of critical clearing time of power system may be error. Approach: Thus this paper investigate the critical clearing time of power system with synchronous machine. The mathematical model of … …American Journal of Applied Sciences, Vol. 9, Issue 2 · 21 Dec 2011 · 7,481 accessesView PDFCite
Research ArticleOpen accessEvery word in the titleHAZOP Analysis Management System with Dynamic Visual Model AidNan Bin Mad Sahar, Syahril Ardi, Suzuki Kazuhiko et al.Problem statement: Ensuring safe operability and minimizing risk is the key component to prevent negative impact in all industries dealing with toxic, reactive, flammable and explosive. Hazard and Operability (HAZOP), a preliminary and systematic approach for identifying hazards has been unquestionably successful in reducing incidents by mitigating the consequence of major accident in the industries process facility. However, laborious work, … …American Journal of Applied Sciences, Vol. 7, Issue 7 · 31 Jul 2010 · 7,986 accessesView PDFCite
Research ArticleOpen accessEvery word in the titleAn Ontology Driven, Procedural Reasoning System-Like Agent Model, For Multi-Agent Based Mobile Workforce Brokering SystemsArash Mousavi, Md. Jan Nordin, Zulaiha Ali OthmanProblem statement: It has been proven that Believe, Desire, Intention (BDI) agent architecture, performs suitably in dynamic and unpredictable environments. Although BDI architecture has been formulated rigorously, implementing BDI architecture is not as straightforward as it has been promised. Nevertheless, the preeminent implementation of BDI architecture is Procedural Reasoning System (PRS) and Jadex is a Java-based platform that successfully applies … …Journal of Computer Science, Vol. 6, Issue 5 · 31 May 2010 · 7,664 accessesView PDFCite