Gain scheduling is one of the most popular nonlinear control design approaches which has been widely and successfully applied in fields ranging from aerospace to process control. Despite the wide application of gain scheduling controllers, there is a notable lack of analysis on the stability of these controllers. The most common application of these kinds of controllers is in the field of fligh...

Background Motor intervention plays an important role in reducing the disabilities of Down syndrome (DS). A lack of balance and postural control has created motor problems in DS patients. Therefore, the aim of this study was to examine the effect of backward walking on postural stability of DS patients. Materials and Methods Sixteen DS children with 8-10 age range were selected by convenience s...

The present study has objectively investigated and reviewed 164 managers, employees and workers of Tuka Steel Investment Holding Company (TSIH Co.) as one of the most successful companies in Iran's steel industry. The Survey approach has been adopted to serve the following purposes of this study: a) to define the prevailing organizational culture in steel industry; and b) To review alignment do...

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in this paper, the stability and boundedness of solutions of a second order nonlinear vectordifferential equation are investigated. our results include and improve some well-known results in therelevant literature.