نتایج جستجو برای: energy saving method
تعداد نتایج: 2224959 فیلتر نتایج به سال:
Due to low cost, evaporative coolers are used in most of the central regions and in the warm and dry climate of Iran and are considered as one of the major consumers of electrical power. Most evaporative coolers use single-phase induction motors by connecting directly to the power grid. But their eefficiency is very low, and their replacement with high efficiency electric motors is considered b...
People can adopt many different energy-saving measures, but how can they be encouraged to take action? Recommender systems could offer a solution, but how recommender systems are used and perceived will depend on the level of knowledge people have regarding energy-saving measures. We test an energysaving recommender system that uses Multi-Attribute Utility Theory (MAUT) to recommend energysavin...
this paper reports a cfd modeling study on the possibility of using high temperature and low oxygen content exhaust gases as oxidant for combustion in an industrial furnace by a written computer program. under these conditions,the predicted results for the flow and heat transfer properties are compared with those under the several cases of conventional and highly preheated and diluted air combu...
Effective power saving mechanism is the most significant issue for extending the lifetime of mobile stations in wireless metropolitan area network (MAN). In this paper, we propose an effective method to analyze the system performance of the power saving class type II in IEEE 802.16e. We present a queueing model with two kinds of vacation mechanisms to capture the working principle of the networ...
Train energy saving problem investigates how to control train's velocity such that the quantity of energy consumption is minimized and some system constraints are satis ed. On the assumption that the train's weights on different links are estimated by fuzzy variables when making the train scheduling strategy, we study the fuzzy train energy saving problem. First, we propose a fuzzy energy ...
In recent years, machine learning techniques based on neural networks for mobile computing become increasingly popular. Classical multi-layer neural networks require matrix multiplications at each stage. Multiplication operation is not an energy efficient operation and consequently it drains the battery of the mobile device. In this paper, we propose a new energy efficient neural network with t...
Recent advances in wireless communication and electronics have enabled the development of low-cost sensor networks. Low energy storage is one of the critical features of nodes in these networks. Communication protocols at diierent layers have been proposed in order to reduce the energy consumption. This paper presents a MAC layer protocol, named "GANGS", as a method of saving energy in sensor n...
Energy saving and power saving are the basic requirement in this world. Power sources such as non-renewable & renewable sources are available but still energy and power disaster cannot be overcome. In this paper, one of the non conventional methods has been discussed known as walking or running on the footstep. Non-conventional method that is from foot step, kinetic energy from foot step is con...
It is infeasible to deploy dense sensor nodes with power supply for methane sensor network in laneway, because the laneway is narrow, and its environment with excessive dirt, dust, moisture is harsh. So, it is urgent for WSN in coal mine laneway to lower the energy cost. First, a hierarchy methane sensor networks topology and deployment is described in this paper. Then, a spatial correlation mo...
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