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Academic literature on the topic 'Невизначеність попиту'
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Journal articles on the topic "Невизначеність попиту"
Чала, Ніна Дмитрівна, Андрій Сергійович Китаєв, and Єгор Вадимович Андросов. "МЕХАНІЗМИ ДЕРЖАВНОГО СТИМУЛЮВАННЯ РОЗВИТКУ ВІДНОВЛЮВАНОЇ ЕНЕРГЕТИКИ В УКРАЇНІ." Дніпровський науковий часопис публічного управління, психології, права, no. 6 (February 28, 2022): 40–47. http://dx.doi.org/10.51547/ppp.dp.ua/2021.6.6.
Full textКондратенко, Наталя. "ДЕЯКІ ПІДХОДИ ДО ОЦІНКИ ЦІННОСТІ ІНФОРМАЦІЙНОЇ ПОСЛУГИ." Економіка та суспільство, no. 22 (December 15, 2020). http://dx.doi.org/10.32782/2524-0072/2020-22-72.
Full textDissertations / Theses on the topic "Невизначеність попиту"
Крюкова, Тетяна Олександрівна. "Моделі, методи та інформаційна технологія управління багатономенклатурним запасом в умовах марківського попиту." Thesis, НТУ "ХПІ", 2016. http://repository.kpi.kharkov.ua/handle/KhPI-Press/27361.
Full textThe dissertation for the degree of candidate of technical sciences, specialty 05.13.06 – information technologies. – The National Technical University "Kharkiv Polytechnic Institute", Kharkiv, 2017. The dissertation is devoted to development of methods and information technol-ogy of management of multinomenclature stocks at the enterprises of the motor transport in the conditions of uncertainty of demand, by development of the methods of obtaining the rational size of a multinomenclature stock considering restrictions on warehouse resources and detailing the corresponding expenses. For the solution of a problem of stockpile management the criterion of efficiency maximizing profit on re-alization of a stock is offered taking into account that the cost of storage of the same goods in a warehouse and in a trading floor differs. The method of obtaining the optimum plan of multinomenclature delivery with use of iterative procedure which is based on a method of penal functions is offered. For increase of accuracy of forecasting of demand for spare parts the Markov model considering not stationarity of demand on correlation function is used. It has contin-ued to develop the technology for calculating the duration of the demand of the dis-tribution law of the process stay on a discrete set of transient states and getting into absorbing states. We consider the problem of estimating the parameters of the Mar-kov model, the demand for different types of statistical information on demand. With use of methods of UML–modeling information technology of system of support of decision-making at stockpile management at the enterprises of the motor transport which allowed to reduce significantly the size of the half-received profit due to re-duction of deficiency of goods in a warehouse is developed and to avoid decrease in level of service of consumers.
Крюкова, Тетяна Олександрівна. "Моделі, методи та інформаційна технологія управління багатономенклатурним запасом в умовах марківського попиту." Thesis, НТУ "ХПІ", 2017. http://repository.kpi.kharkov.ua/handle/KhPI-Press/27353.
Full textThe dissertation for the degree of candidate of technical sciences, specialty 05.13.06 – information technologies. – The National Technical University "Kharkiv Polytechnic Institute", Kharkiv, 2017. The dissertation is devoted to development of methods and information technol-ogy of management of multinomenclature stocks at the enterprises of the motor transport in the conditions of uncertainty of demand, by development of the methods of obtaining the rational size of a multinomenclature stock considering restrictions on warehouse resources and detailing the corresponding expenses. For the solution of a problem of stockpile management the criterion of efficiency maximizing profit on re-alization of a stock is offered taking into account that the cost of storage of the same goods in a warehouse and in a trading floor differs. The method of obtaining the optimum plan of multinomenclature delivery with use of iterative procedure which is based on a method of penal functions is offered. For increase of accuracy of forecasting of demand for spare parts the Markov model considering not stationarity of demand on correlation function is used. It has contin-ued to develop the technology for calculating the duration of the demand of the dis-tribution law of the process stay on a discrete set of transient states and getting into absorbing states. We consider the problem of estimating the parameters of the Mar-kov model, the demand for different types of statistical information on demand. With use of methods of UML–modeling information technology of system of support of decision-making at stockpile management at the enterprises of the motor transport which allowed to reduce significantly the size of the half-received profit due to re-duction of deficiency of goods in a warehouse is developed and to avoid decrease in level of service of consumers.
Хазім, Ямен. "Моделі и методи управління багатонгоменклатурним складським запасом в умовах невизначеності попиту." Thesis, НТУ "ХПІ", 2016. http://repository.kpi.kharkov.ua/handle/KhPI-Press/22708.
Full textThesis for scientific degree of candidate of technical sciences, specialty 05.13.03 – systems and management processes. – National Technical University "Kharkiv Polytechnic Institute", Kharkov, 2016. The thesis is devoted to the development of models and multinomenclature stock management in a tiered storage system under demand uncertainty. On the basis of the known publications identified deficiencies commonly used methods for solving the inventory management problems and formulate research problems. Total technology solutions diversified inventory management tasks. The problem is solved taking into account the average cost of storing unsold part of the goods and losses due to a possible deficit procedure was developed for solving the problem of inventory management on probabilistic criteria. The methods of evaluating the performance of a queuing system with non-Markov and non-Markov input flow service. A Markov model of operation storage system "wholesale warehouse - shops" and justified method of calculating the probability distribution of states. A method for rational resource allocation in a hierarchical storage system. For the case where the system of functioning of the process can not be adequately described by the Markov method, control is achieved by using a simulation model. The analysis of the efficiency of the process, depending on the characteristics of demand and the system itself.
Карпенко, Вячеслав Васильович. "Моделі та методи керування у розподіленій логістичній системі в умовах невизначеності." Thesis, Національний технічний університет "Харківський політехнічний інститут", 2019. http://repository.kpi.kharkov.ua/handle/KhPI-Press/42719.
Full textDissertation for the degree candidate of technical sciences (philosophy doctor) in the specialty 05.13.03 – Systems and management processes. – National Technical University "Kharkiv Polytechnic Institute" of Ministry of Ukraine Education and Science, Kharkiv, 2019. The Ph.D. thesis is on the development of management models and methods in distributed systems in a context of uncertainty of the input data. The thesis deals with the applied research task of developing a complex of models and management methods in a large-scale distributed logistics system in the context of uncertainty of the input data. The object of research is the management process in a distributed logistics system in the context of uncertainty. The subject for study is a set of mathematical models and methods of management problem solving in a distributed logistics system in the contex of uncertainty. The analysis of the acquainted management problem solving methods revealed that the management problem solving methods in the distributed logistics systems are elaborated insufficiently because they do not allow solving large-scale problems effectively in the conditions of a small sample of the input data. The logistics problem solving methods in the context of uncertainty of the input data are not elaborated sufficiently. In order to improve the closeness in estimation of the regression equation coefficients in conditions in small sample conditions, the model and method of artificial orthogonalization of the factorial plan implemented using an artificial neural network are proposed. The regression analysis model and methods are improved. In addition to this, a multilevel regression construction method of given dimension is proposed, based on the description of unknown coefficients of this equation by functions of a smaller dimension. The efficiency of the method is estimated using the simulation model. A new technique of regression equation construct is proposed, in which the quality measure of approximation is determined through the shortest distances from the endogenous points to the approximating hyperplane. An exper iment was conducted to confirm the feasibility of using orthogonal regression in small sample conditions. An investigative technique of the multiple state systems based on the problem decomposition by phase aggregation of states is proposed. The effectiven ess of different possible approaches is compared. A fast method of structural and parametric synthesis in the system "producer - consumer distributed network" using the technique of calculating distances in the composition metric that combines the metric of "city blocks" with the Euclidean distance. The method was tested in solving a real problem regarding a network connecting about ten thousand consumers. A method for solving the problem of resource allocation management in diversified production is proposed. The distribution quality criterion is the exceedance probability by random implementation profit from the sale of manufactured products of an acceptable threshold. The solution of the problem is obtained by small-size linear fractional programming. This method is developed to solve the management problem of diversified stock in a hierarchical stocking system of high dimension using a phase aggregation of states. The method is used to manage inventory under conditions of accidental detention in the supply chain. This minimizes the average risk which takes the cost overrun into account in case of unjustified exceedance of the reserve stock and the losses arising from insufficient stock. A transportation problem solution method of linear programming with indistinct demand is proposed. The solution is obtained using a criterion that takes into account the average expected cost of storage of unrealized product, expected losses from the deficit, as well as average transportation costs. A problem-solving alternative method is considered, which provides a solution with the most compact membership function of the result deviating least from the modal one. A calculation method of the intermediate centre traffic capacity in the three-index transportation problem based on a reduction of the three-index problem to the totality of two-index problems is proposed. An alternative to the problem based on the preliminary search for the shortest routes is worked out. A computational procedure that provides a fast approximate solution to the routing problem is proposed. The procedure uses a special technology of matrix multiplication. A decomposition version of the problem solution method of large-scale routing in conditions of indistinct initial data is considered. The alternatives of the indistinct routing comparison method are presented. A rational number calculation method of the channels in the queuing system of a multitude of geographically distributed customers is proposed. The method takes into account the non-Markov character of the service. The formula for calculating the average servicing duration giving problem solution is deduced. The results of the research have been successfully applied in practice byf several enterprises and used in the educational process of NTU KPI when teaching Operations Research and Decision-Making Systems under Uncertainty.
Карпенко, Вячеслав Васильович. "Моделі та методи керування у розподіленій логістичній системі в умовах невизначеності." Thesis, Національний технічний університет "Харківський політехнічний інститут", 2019. http://repository.kpi.kharkov.ua/handle/KhPI-Press/42716.
Full textPh.D. Thesis for scientific degree candidate of technical sciences in the specialty 05.13.03 – systems and management processes. – National Technical University "Kharkiv Polytechnic Institute", Kharkiv, 2019. The Ph.D. thesis is devoted to the development of management models and methods in distributed systems in a context of uncertainty. The purpose of the work is to develop new and improve existing methods of solving logistics problems. For the first time in the dissertation the fast method of structural and parametric synthesis in the system "producer - distributed network of consumers" is proposed. A model and method for solving the routing problem, which differ in the way of calculating distances, were developed for the first time, which made it possible to get a quick solution to the problem of finding the route. Improved model and method of calculating regression equation coefficients using artificial orthogonalization of the factorial experiment plan; method of solving the problem of high-dimensional regression analysis; technology of constructing a regression equation, which differs in the way of calculating the quality of the approximation; model and method of solving the transport problem with unclear demand; method of calculating the throughput of intermediate centers, which made it possible to improve the accuracy of the solution of the problem; model and method of managing multi-item inventory under combined uncertainty; method of studying Markov systems with many states. The model and method of managing a high-dimensional multi-nomenclature stock, the method of calculating the optimal number of channels in the system of servicing a multitude of geographically distributed customers, were further developed.