نتایج جستجو برای: reactive performance
تعداد نتایج: 1198444 فیلتر نتایج به سال:
Security is an essential service for wired and wireless network communications. The success of mobile ad hoc networks (MANET) mainly depends on people's confidence in its security. In a MANET, a collection of mobile hosts with wireless network interfaces form a network without the aid of any fixed infrastructure or centralized administration. The characteristics of MANET pose challenges an...
An ad-hoc network is a collection of two or more devices equipped with wireless communications and having networking capability. The devices in the network can communicate with another node that is immediately within their radio range or one that is outside their range. The intermediate node is used to relay or forward the packet from the source to the destination. An Ad-hoc Network is a self-o...
In this paper we consider the problem of balancing a three-phase load and how to optimize the TCR operation. For an unbalanced load change a VAT technique is developed by the authors to determine the three compensating susceptance values and then the unsymmetrical firing angles of TCR, which are necessary for a balanced load operation. An objective function (THD) is determined to measure the di...
This paper provides a novel hierarchical control for VSI-based microgrids. The advantage of the provided control scheme is to maintain the frequency and voltage stability and load sharing against large-signal disturbances. A hierarchical control, consisting of three levels, is described. A new control loop based on PI controller, is presented. The new control loop has a great impact on increasi...
Aims: Heavy exercise can damage the immune system by oxidative stress. The role of herbal supplements during and after strenuous exercise is unknown. Therefore, the present study aimed to determine hydroethanolic extract of pomegranate peels and a period of high-intensity interval training on the C-reactive protein and antioxidant enzyme activity in rats. Methods & Materials: This research was...
this study investigated the effects of manipulating the cognitive complexity of tasks along +/- few elements and the time limits on l2 learners writing performance. to conduct the study, 60 iranian efl learners with two levels of proficiency, low and high intermediate, were selected and assigned to three groups based on the time devoted to task completion. the participants performed both a simp...
in this thesis, a structured hierarchical methodology based on petri nets is used to introduce a task model for a soccer goalkeeper robot. in real or robot soccer, goalkeeper is an important element which has a key role and challenging features in the game. goalkeeper aims at defending goal from scoring goals by opponent team, actually to prevent the goal from the opponent player’s attacks. thi...
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