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Because of the randomness and volatility of renewable energy generation and load, energy storage device plays an important role in ensuring the safe and steady operation of micro grid. For a combined heat and power micro grid, Heat tank is modeled similar to battery and allocation model of heat and electricity storage based on economic dispatch is established. Multi-scenario theory is adopted to consider...
The study of high-value applications promising energy storage technology has been closely watched scientific community and the business community, which has become one of the hotspots of international energy research community. This paper describes the classification of energy storage technology, we discussed its working principle, technical status, development prospects and the advantages and disadvantages...
ReLiabiLity is one of the most important performances of CNC machine tools. Precision exceeding tolerance is a special kind of faults different with general faults considered usually. This type of faults may cause large loss for users because of the loss of machining precision. To predict the precision and its reLiabiLity of machine tools in the design phase, the concept of precision reLiabiLity is...
The manufacturing system failure often causes unexpected property loss, the reliability and risk assessment therefore have been widely concerned. The basic property and running parameters of the systems are characterized by randomness, dynamic and correlation. The system service process can be represented as dynamic stochastic process. Traditional models classifying a mechanical system condition use...
When CNC heavy-duty horizontal lathe feed systems is running at a low velocity, the stick-slip phenomenon will be introduced. The stick-slip phenomenon will seriously affect the working accuracy, work piece surface roughness and position accuracy. In this paper, structural characteristic of the feed system of CNC heavy-duty horizontal lathe is analyzed and gear rotor systems dynamics is applied to...
In this paper, we have introduced a novel method for condition diagnosis of complex systems in the chemical process industry with complex network based time series analysis. Firstly, by a computational method, the condition data from the complex system can be mapped into a network, which inherits the properties of condition data. Then, the topological properties of these complex networks are investigated,...
This paper studies the protection problem of pre-configuration cycles (p-cycles) in survivable mesh networks. A new algorithm called local-map-based finding p-cycles algorithm (LFCA) is proposed to find the candidate p-cycles. The major difference between the previous algorithms of finding cycles and LFCA is that LFCA can find node-encircling p-cycles and some special link p-cycles which must contain...
Mobile ad hoc network (MANET) as an up-to-date wireless network has some unique features such as topology alters constantly, infrastructure-free, any node within the network is communication destination as well as router, etc. These characteristics of MANET give rise to its great flexibility and cost efficiency. Traditional MANET operates in the radio frequency (RF) spectrum, where the available bandwidth...
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