A learning automaton systematically updates a strategy to enhance the performance of a system output. The authors apply, a variable-structure learning automaton to achieve a best compromise solution between the economic operation and stable operation in a power system when the loads vary randomly. Both the generation cost for economic operation and the modal performance measure for stable opera...

Introduction: The most recent economic recession left many people outside the labour market world-wide, causing widespread poverty and social exclusion. Gävleborg County in East Central Sweden experienced massive layoffs caused by closure of various industries. Objective: The objective of this study was to investigate differences in health-care use according to employment status at the pick of ...

This paper studies the role of social security in the prevention of social deviances. About 304 of high school girl students in Shoush (South west of Iran) were (systematic) randomly chosen. The research method was survey with questionnaire. The data were analyzed through spss along with Pearson coefficient correlation, Analysis of Variance, multivariable regression and path analysis were used ...

Objective. The objective of the article is to investigate methodological basis application forecasting models and methods in performing statistical assessment economic risk, particular, assess possibility reducing systematic risk through planning enterprise taking into account semi-variance approach calculation. Methods. theoretical study achievements foreign national scientists. To achieve thi...

Maritime transport plays an important role in economic development of society, because it carries about 85% goods, but consumes a significant amount fuel resources, which has serious impact on air pollution. Millions tons nitrogen oxides, sulfur soot, heavy metal compounds and water vapor are released into atmosphere each year. These factors influence constant search for more effective methods ...