Papers by Keyword: Confidence Level

Abstract: An approach to the recognition of airport runways in SAR imagery was presented. According to the trait of the SAR imagery, firstly some kinds of methods in correlative yawp control were compared to each other, and then based on the interpretation analysis of airport runways in SAR imagery, the lines were detected ,the image was repaired and the redundant lines were got rid of according to themorphologic operation and confidence level ,the runways were detected finally .Many experiments show that the method can recognize the runways exactly and quickly in SAR imagery.

Abstract: Considering the uncertainty of electronic waste recovery quantity in consumption areas, a fuzzy optimization model for electronic waste reverse logistics network with capacity constraints was constructed to determine the number and location of the facilities, the flows between each facility. A numerical example was provided to demonstrate the feasibility of the model.

Abstract: Considering the uncertainty of waste products recovery quantity in consumption areas, a fuzzy optimization model for manufacturing/remanufacturing integrated logistics network with capacity constraints was constructed to determine the number and location of the facilities, the flows between each facility. A numerical example was provided to demonstrate the feasibility of the model.

Abstract: Construction cost risk management is an essential part of construction cost management,especially in the context of the ‘triple overrun’ that has been rampant across China over the last few years,i.e. the cost overrunning the budget,the budget overrunning the budgetary estimate, and the budgetary estimate overrunning the initial estimate. Since traditional methods of calculating construction reserve funds fail to serve the purpose of curbing the ‘triple overrun’,we deem it necessary to establish a quantitative, rational, and accurate calculation and analytical model to measure basic reserve funds. This paper aims to provide an analytical model based on the VaR technique, where parameters are determined by VaR’s three key factors, and a standard VaR process of analyzing basic reserve funds is set up. The model proves to be effective in our case study when basic reserve funds predicted by the model well match the actual ones,which is shown clearly by the Q-Q plot curves and CDF curves.

Abstract: The water environment is a system with many uncertainties and requires doing research by the method of uncertainty. Based on the dynamics of river hydrology and water quality, the uncertainty and incompleteness characteristics of monitoring information and frequency, each parameter in the model of Dillion is managed by using the theory of Unascertained Mathematics and unascertained expected value. This paper probes into the study of the permissible input of total phosphorus of Poyang Lake in Jiangxi and the credible level calculation. With this method, not only can the unascertained expected value of the permissible input of total phosphorus be calculated, its subjective reliability can also be obtained on the basis of the rules of four fundamental operations of unascertained.

Abstract: A reverse logistics network for municipal solid wastes is designed. A fuzzy chance constrained programming model that the uncertain recovery quantity described by fuzzy parameter is put forward. The model is solved by transforming it to a deterministic mix integer linear programming model after making the fuzzy constraints clear. A numerical example is provided to demonstrate the feasibility of the model. And this paper analyzes the influence of different confidence level to the model.

Abstract: Network computing system exists security issue, so we proposed a calculation method which could distinguish credible level from information mining. The calculation method uses system credible state detector to detect network system entities behaviors which in different environments and the different angles, extraction behaviors that affect credible decision-making as evidence. Normalized the systematic evidence, then the information of data mining based on cloud model and calculation credible identification. Finally, make the decision of system confidence level.

Abstract: Fussy evaluation model will be used in this article to evaluate the operational safety performance of nuclear power plant. Through the combination of the existing three indicator system, the article builds a safety performance indicator system and fatherly establishes evaluation matrix of the importance level and performance level,then gets the weigh and confidence of every indicator. Finally, the evaluation results of the operational safety performance of nuclear power plant can be obtained after analyzing the confidence and evaluation matrix.

Abstract: The paper deals with the possibility of assessing product reliability in the case a producer has no data about the behavior of products in service, and the only available thing is the information on warranty claims. The suggested method of reliability assessment utilizes the information on the number of products manufactured, the date when their service started, and the number of claimed products during a warranty period. An example of method practical application is presented too.

Abstract: Accurately forecasting short-term wind speed can effectively reduce the adverse effects of wind power in power systems and improve the competition of wind power in power markets. Because of the wind randomness, there are huge forecasting errors existing in those commonly used forecasting methods at wind mutation points, and through improving the forecasting method itself can merely provide positive effect. From the angle of revision, a new method is going to be proposed and applied to revise the forecasted wind speed in this paper, which is based on the historical data fluctuation characteristics and confidence level. Under this method, we can turn the original forecasted wind speed into the optimized wind speed. The revision method can be applied on all short-term wind forecast methods. The validity and feasibility of this method are going to be verified through a wind speed forecasting method based on the Grey model GM(1,1).