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The accuracy and productivity of measurement performed with the help of coordinate measuring machines depend not only on their technical characteristics but also on the strategy used to select the number, location of the points and the sequence of their circumvention on the surface. The article proposes a new strategy for the determination of the number and location of control points on surfaces based...
This article discusses the issues related to development of mathematical support for work operations of the business licensing process in the Republic of Kazakhstan. Mathematical support is developed on the theoretical results obtained in the previous studies. It is assumed that the work operations interact with each other, therefore, the problems of algorithmization of these processes are considered...
The growing importance of the online channel and the increased deployment of new technologies such as smart mobile devices and social networks create new opportunities and challenges for traditional retailers. The retailing industry is moving to a new phase, in which the distinctions between traditional and online channels disappear, namely omni-channel (OC) retailing. The new challenge is to understand...
This paper deals with the simulation and analysis of large-scale migrations by proposing an improved version of Agent-Based Social Simulation model. The model includes hierarchical layers that reflects regional quality. We extract migrant samples from the PUMS database using logistic regression, and use random forest as the core algorithm to find linear solutions for the relationships among several...
The purpose of this study is to create a model of a relationship in which the dependent variable is the result of a project and the independent variables are the characteristics of human resources. We attempted a comparative evaluation of discriminant analyses with a statistical model and a machine learning model using assessments of the results of projects and team characteristics derived from questionnaire...
This study investigates a real-time optimization strategy for micro-algae continuous processes. The objective is to determine the optimal dilution rate maximizing the biomass productivity on the basis of the on-line measurement of biomass concentration and minimum prior process knowledge. Two different micro-algae strains (with different growth rates) are considered in this study: Dunaliela tertiolecta...
The paper deals with the problem of constructing a land remote sensing satellite survey path which provides the maximum satellite productivity. Appropriate methodological approach, mathematical models, and algorithm were developed. The algorithm was implemented using software developed in Delphi programming support environment.
Simulated moving bed (SMB) chromatography process is often considered to achieve high-purity separation performance in practice. However, conventional SMB process can only be applied to binary mixture system. This can be overcome by adding side-stream to the SMB process. This paper presents modeling and design of SMB process with side streams and its optimal operating condition to maximize the production...
“After many false starts,” declared the Economist magazine in a June 2016 Special Report,1 “artificial intelligence (AI) has taken off.” This special report examined “how AI, associated with hubris and disappointment since its earliest days, has suddenly become the hottest field in technology.” The report also heralded the return of the machinery question, first posed nearly 200 years ago in the context...
This paper proposes a constraint-free model and a budget-constrained model to determine the optimal air travel policy in terms of the seat upgrading. The approach strikes a balance between cost-saving and the boosted productivity by upgrading the employees to higher classes. We specify a benefit function based on the Hensher Equation's core idea and leverage economics assumptions of the marginal productivity...
Agent based simulation modelers have found it difficult to build grounded fine grained simulation models of human behavior. By grounded we mean that the model elements must rest on valid observations of the real world, by fine grained we mean the ability to factor in multiple dimensions of behavior such as personality, affect and stress. In this paper, we present a set of guidelines to build such...
Heating, Ventilation, and Air Conditioning (HVAC) systems account for a large share of the energy consumed in commercial buildings. Simple strategies such as adjusting HVAC set point temperatures can lead to significant energy savings at no additional financial costs. Despite their promising results, it is currently unclear if such operation strategies can have unintended consequences on other building...
Hiring workers under seasonal recruiting contracts causes significant variation of workers skills in the vineyards. This leads to inconsistent workers performance, reduction in harvesting efficiency, and increasing in grape losses rates. The objective of this research is to investigate how the variation in workers experience could impact vineyard harvesting productivity and operational cost. The complexity...
Rice is the staple food consumed by approximately 95% of the Indonesian population. Thus, rice becomes one of the strategic issues and all decisions regarding rice impact the population. The Indonesian government targets to achieve food security and rice-sufficiency, which are attainable considering the fact that the total annual domestic rice production has exceeded the total national consumption...
Performance represents the completion of activities, programs, or policies to achieve the objectives, visions, and missions of organizations. The National Library of Indonesia is a government organization which provides public services. To improve its functions, the National Library established Electronic Library (E-Library) toward Information and Communication Technology (ICT) infrastructure aspect...
Limit State Earned Value Management (LSEVM) has increased project managers' abilities to identify network security project performance issues and select appropriate corrective actions. Limit State Earned Value Management (LSEVM) is an evolution of traditional Earned Value Management (EVM) that incorporates active management through prescriptive interpretation of performance indicators that provides...
FPGA capacity is quickly outpacing designer's productivity and limiting the ability to exploit FPGA processing resources. Model-based synthesis, where a high level behavioral model is used for fast design iteration, which is then synthesizable directly into FPGA object code has been proposed as a solution. Several orders of magnitude difference in simulation speed have been observed between different...
Productivity reserve of emergency material is an effective measure to improve the efficiency of distribution and reduce the cost of physical reserve. We reserve raw materials, advanced technology and production line normally. When the material is needed, the production enterprise shall, according to the agreement, transfer the productivity capacity rapidly to the material. Therefore, it is essential...
We consider a two-machine-one-buffer production system with each machine's condition following a certain degradation process. An analytical model of the integration of machine condition degradation and productivity is introduced. Analytical methods based on the Markov chain approach are developed to quantify the interaction between machine condition degradation process and the overall system performance...
Trustworthy effort estimation for a software project remains one of the biggest challenges for developer. Software effort estimation is the initial phase between the client and the business enterprise. So the association begins with effort estimation. Trustworthiness increases accurate estimation. Organizations turned toward GSD because it benefits with shorter development cycle. This paper presents...
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