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Grey Forecasting and Parameter Optimization

A Survey of Selected Grey Forecasting Models with Application to Medical Tourism Forecasting

A Survey of Selected Grey Forecasting Models with Application to Medical Tourism Forecasting

... the Grey GM(1,1) ...complex optimization methods that require ad- vanced programming capabilities, sometimes mathematical skills and substantial amounts of data, which are often a primary hindrance to ...

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A Parameter Estimation of Fractional Order Grey Model Based on Adaptive Dynamic Cat Swarm Optimization

A Parameter Estimation of Fractional Order Grey Model Based on Adaptive Dynamic Cat Swarm Optimization

... of grey system to improve the predictive ...the forecasting model and promote the stability, and obtain higher accuracy of ...order grey model, little attention has been paid to optimize the ...

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Application of LSSVM to logistics demand forecasting based on grey relational analysis and kernel principal component analysis

Application of LSSVM to logistics demand forecasting based on grey relational analysis and kernel principal component analysis

... total social logistics costs. And σ 2 is the kernel parameter. Coupling (11) with (13), two parameters, the regularized parameter γ and the kernel parameter σ 2 , should be determined first. Due to ...

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Probit  Based Grey Wolf Optimal Route Path Discovery In Internet Of Vehicles

Probit Based Grey Wolf Optimal Route Path Discovery In Internet Of Vehicles

... chicken optimization technique to forwards the packets by discovering the most optimal and connected ...colony optimization algorithm [4] was introduced with the Internet of Vehicles based route ...

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Evaluation of Grey Forecasting Method of Total Domestic Coffee Consumption in Indonesia

Evaluation of Grey Forecasting Method of Total Domestic Coffee Consumption in Indonesia

... on forecasting the total of domestic coffee consumption in Indonesia applied the Grey differential model which is called GM (1,1) model of Grey theory to predict the amount of domestic coffee ...

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A two-stage study of grey system theory and DEA in strategic alliance: An application in Vietnamese Steel industry

A two-stage study of grey system theory and DEA in strategic alliance: An application in Vietnamese Steel industry

... two techniques are suitable to forecast the business operation and evaluate the performance in firms’ efficiency ranking. In addition, this paper has an advantage of using information of 7 consecutive years data for ...

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Infrared Drying Parameter Optimization

Infrared Drying Parameter Optimization

... setting parameter did not change that much, the sintering voltage and heat setting both decreased for the single pass three inch model since there is less material being put ...

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Vietnamese Milk Industry Forecasting: A Grey System Theory Case of Vinamilk

Vietnamese Milk Industry Forecasting: A Grey System Theory Case of Vinamilk

... apply Grey System Theory-GM (1, 1) based on the statistics provided by the Vietnam dairy Products Joint-Stock Company (Vinamilk) from 2005 to 2012 and make prediction values for two years, ...

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FORECASTING INDONESIAN INFLATION WITHIN AN INFLATION-TARGETING FRAMEWORK: DO LARGE-SCALE MODELS PAY OFF?

FORECASTING INDONESIAN INFLATION WITHIN AN INFLATION-TARGETING FRAMEWORK: DO LARGE-SCALE MODELS PAY OFF?

... We contribute to the general literature by sidestepping these issues and using a DMA approach in forecasting inflation. The DMA approach allows time variation of the forecasting model and the coefficients ...

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Optimal Parameter Design by Regression Technique and Grey Relational Analysis

Optimal Parameter Design by Regression Technique and Grey Relational Analysis

... Ramakrishnan et al. [12] modeled and multiple response optimization of Inconel 718 on machining of CNC WEDM process. Four process factors were investigated, including: (A) pulse in time, (B) delay time, (C) wire ...

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OPTIMIZATION OF MULTIPLE MACHINING CHARACTERISTIC IN WEDM OF NICKEL BASED SUPER ALLOY USING OF TAGUCHI METHOD AND GREY RELATIONAL ANALYSIS

OPTIMIZATION OF MULTIPLE MACHINING CHARACTERISTIC IN WEDM OF NICKEL BASED SUPER ALLOY USING OF TAGUCHI METHOD AND GREY RELATIONAL ANALYSIS

... Singh et al [8] described the Taguchi’s approach and utility concept to optimize the multi-machining characteristics simultaneously. They discussed a case study on En24 steel turned parts using titanium carbide coated ...

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The Application of Fourier Residual Grey Verhulst and Grey Markov Model in Analyzing the Global ICT Development

The Application of Fourier Residual Grey Verhulst and Grey Markov Model in Analyzing the Global ICT Development

... In this paper first we introduce a grey Verhulst, new grey Verhulst, Fourier residual grey Verhulst and grey Markov models. Next, we apply these methods in modeling the world fixed telephone ...

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Forecasting International Tourism Demand- An Empirical Case in Taiwan

Forecasting International Tourism Demand- An Empirical Case in Taiwan

... possible forecasting models established under linear regression, autoregressive integrated moving average (ARIMA) which is a well-known forecasting model dealing with time series, and Grey model ...

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Grey Forecasting Model Based on Interpolation Optimization in Malignant Tumor

Grey Forecasting Model Based on Interpolation Optimization in Malignant Tumor

... Conventional grey model has usually been used for forecasting in disease prediction, but it has significant ...Improved grey forecasting model in malignant tumor is established based on ...

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Optimization the process parameter of FDM 3D ...

Optimization the process parameter of FDM 3D ...

... 23 The three s/n ratio graph shown between 3 variable process parameter and tensile strength. Material-Strength graph shown the PETG material have more strength which is 31.71mpa. Infill density- strength graph ...

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Particle Swarm Optimization Based LQR Control of an Inverted Pendulum

Particle Swarm Optimization Based LQR Control of an Inverted Pendulum

... In this study, the parameters of Q and R matrices of pre-designed LQR controller are optimized by using PSO algorithm.The values to minimize the objective function of the system have been investigated.The objective ...

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Parameter Estimation of Loranz Chaotic Dynamic System Using Bees Algorithm

Parameter Estimation of Loranz Chaotic Dynamic System Using Bees Algorithm

... A relatively new branch of nature-inspired algorithms which are called as swarm intelligence is focused on insect behavior in order to develop some effective meta-heuristics which can mimic insect’s problem solving ...

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Efficient Combination of Topology and Parameter Optimization

Efficient Combination of Topology and Parameter Optimization

... Topology optimization is a mathematical approach that optimizes the material layout within a given design space, for a given set of load and boundary ...topology optimization al- gorithms have already been ...

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A New Variant Of Grey Wolf Optimizer For Global Optimization

A New Variant Of Grey Wolf Optimizer For Global Optimization

... The Grey Wolf Optimizer is the meta-heuristics which is inspired by Grey Wolves (CanisLupis) and is used in SI ...of grey wolves. The four levels of grey wolves are alpha, beta, delta, and ...

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Machining Performance Optimization for Turning of Inconel 825: An integrated Optimization Route Combining Grey Relation Analysis with JAYA and TLBO

Machining Performance Optimization for Turning of Inconel 825: An integrated Optimization Route Combining Grey Relation Analysis with JAYA and TLBO

... response optimization may not be lucrative all the ...multi-response optimization has been ...overall grey relation index (OGI) and to attain the optimal machining environment, the obtained OGI must ...

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