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Wyszukujesz frazę "Production planning" wg kryterium: Temat


Tytuł:
Basics of the management system for transformations of production planning and control processes
Autorzy:
Łopatowska, J.
Powiązania:
https://bibliotekanauki.pl/articles/409542.pdf
Data publikacji:
2018
Wydawca:
Politechnika Poznańska. Wydawnictwo Politechniki Poznańskiej
Tematy:
Intelligent Manufacturing Systems
production
production planning and control
Opis:
Intensive development of technologies, in particular of the spinotronics, nanotechnology, robotics, and ICT, shapes the new generation production systems. Their distinctive feature is the flexibility associated with production intelligence. It is required from all processes, including the production planning and control processes (PPCP). The article is of conceptual character. It was prepared based on literature research. It encompasses issues related to Next Generation Manufacturing Systems, including Intelligent Manufacturing Systems in particular, covering solutions for PPCP. The article was also built upon the results of research on the level of automation of Polish manufacturing enterprises. The research results in the development of general assumptions of an informatic management system for the transformation of PPCP for technologically advanced and organizational production systems. The system has a modular structure resulting from its functions, which include identifying the need for transformation, its goals and vision, planning, design, implementation and evaluation of transformation. It takes the technical, organizational, socio-psychological and economic aspects of transformation into account. Choosing the right solutions for PPCP purposes allows for flexible adaptation to the requirements and needs of the environment. Its essential part is the knowledge database, thanks to which it is possible to shape the system’s intelligence.
Źródło:
Research in Logistics & Production; 2018, 8, 4; 317-328
2083-4942
2083-4950
Pojawia się w:
Research in Logistics & Production
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Optimization of Aggregate Production Planning Problems with and without Productivity Loss using Python Pulp Package
Autorzy:
Rehman, Hakeem Ur
Ahmad, Ayyaz
Ali, Zarak
Baig, Sajjad Ahmad
Manzoor, Umair
Powiązania:
https://bibliotekanauki.pl/articles/2023845.pdf
Data publikacji:
2021-12
Wydawca:
Polska Akademia Nauk. Czytelnia Czasopism PAN
Tematy:
aggregate production planning
productivity
Python PuLP
optimization
Opis:
Traditionally the aggregate production plan helps in determining the inventory, production, and work-force, based on the demand forecasts without considering the productivity loss at a tactical level in supply chain planning. In this paper, we include the productivity loss into traditional aggregate production plan and the prescriptive analytics technique, linear programming, is used to solve this problem of practical interest in the domain of multifarious businesses and industries. In this study, we discussed two model variations of the aggregate production planning problem with and without productivity loss, i) fixed work-force, and ii) variable Work Force. The mathematical models were designated to be solved by using an open-source python pulp package in order to evaluate the impacts of the productivity loss on both the models. PuLP is an open-source modeling framework provided by the COIN-OR Foundation (Computational Infrastructure for Operations Research) for linear and integer Programing problems written in Python. The computational results indicate that the productivity loss has direct impact on the workforce hiring and firing.
Źródło:
Management and Production Engineering Review; 2021, 14, 4; 38-44
2080-8208
2082-1344
Pojawia się w:
Management and Production Engineering Review
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
A Method to Improve Planning of Product Placement on a Printing Sheet
Autorzy:
Czerniachowska, Kateryna
Żywicki, Krzysztof
Wichniarek, Radosław
Powiązania:
https://bibliotekanauki.pl/articles/1841430.pdf
Data publikacji:
2021
Wydawca:
Polska Akademia Nauk. Czytelnia Czasopism PAN
Tematy:
manufacturing operation
production planning
optimization
mathematical programming
Opis:
Major manufactures are moving towards a sustainability goal. This paper introduces the results of collaboration with the leading company in the packaging and advertising industry in Germany and Poland. The problem addresses the manufacturing planning problem in terms of minimizing the total cost of production. The challenge was to bring a new production planning method into cardboard manufacturing and paper processing which minimizes waste, improves the return of expenses, and automates daily processes heavily dependent on the production planners’ experience. The authors developed a module that minimizes the total cost, which reduces the overproduction and is used by the company’s manufacturing planning team. The proposed approach incorporates planning allowances rules to compromise the manufacturing requirements and production cost minimization.
Źródło:
Management and Production Engineering Review; 2021, 12, 1; 119-128
2080-8208
2082-1344
Pojawia się w:
Management and Production Engineering Review
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Closed Loop Supply Chain with Production Planning
Autorzy:
Stecz, W.
Powiązania:
https://bibliotekanauki.pl/articles/409322.pdf
Data publikacji:
2016
Wydawca:
Politechnika Poznańska. Wydawnictwo Politechniki Poznańskiej
Tematy:
closed loop
supply chain
optimization
production planning
Opis:
We present a Closed Loop Supply Chain (CLSC) model that supports a production planning (PP) process. CLSC model is based on CLSC framework model which consists of four main centers: collection, recovery center, distribution and disposal centers. These logistics parts support main production lines. Some quantity of the products is recovered and the factories don’t need to spend money for production. This is a simple cost reduction process. In CLSC literature one can hardly meet the models of production planning processes supported by CLSC. Important problem with that models is the computational complexity when one wants to prepare production plans for more than one time period. This is connected with a number of the numerical variables of the CLSC and PP models which are usually Integer Programming models solved with Branch & Bound algorithms. We present some modifications of the widely known and used constraints in the CLSC models to optimize solving process. All the experiments were conducted with the CPLEX solver.
Źródło:
Research in Logistics & Production; 2016, 6, 2; 117-128
2083-4942
2083-4950
Pojawia się w:
Research in Logistics & Production
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
The Way of ETO SMEs to Mass Customization – Overview from Real Production Systems
Autorzy:
Ciesla, Bartosz
Mleczko, Janusz
Powiązania:
https://bibliotekanauki.pl/articles/2023980.pdf
Data publikacji:
2021-09
Wydawca:
Polska Akademia Nauk. Czytelnia Czasopism PAN
Tematy:
production planning
production control
mass customization
robust process design
Opis:
In this article conclusions from nearly 10 years of collaboration with Polish and German Engineer-to-Order (ETO) small and medium-sized enterprises (SMEs) from mechanical sector was presented. Research objective was to highlight common organizational problems they are dealing with, which prevent them from transition to Mass Customizers. As a result, a concept of 5 foundations for robust process design was proposed: procedures, product selection, machining philosophy, planning and storage, cross-functional teams. More practical solutions from this field have to be published to fill the research gap.
Źródło:
Management and Production Engineering Review; 2021, 13, 3; 97-105
2080-8208
2082-1344
Pojawia się w:
Management and Production Engineering Review
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Inconsistencies in the Production Process Resulting From the Employment Structure
Autorzy:
Nowacki, Krzysztof
Pawlak, Szymon
Powiązania:
https://bibliotekanauki.pl/articles/27315797.pdf
Data publikacji:
2019
Wydawca:
STE GROUP
Tematy:
production
production planning
underestimation
produkcja
planowanie produkcji
procesy produkcyjne
Opis:
Underestimating the duration of the production process is one of the basic factors determining the occurrence of delays in the duration of individual operations included in the production process. Occurrence of underestimation of production time brings many negative effects, which include, among others: underestimation of the company's production capacity, accumulation of intermediate stocks, impeded planning of the production process (scheduling of the production process) and increase of production costs. The problem of erroneous estimation of the duration of the production process is most often found in production plants specializing in serial or mass production, implemented in a parallel or series-parallel system. The basic causes that underestimate the duration of the production process include errors in production scheduling, incorrect determination of durations of individual operations carried out as part of the analyzed production process, complexity of production operations and employment structure. The occurrence of delays in the production process can also be affected by accident events that generate underestimation and costs for the enterprise (including social and economic costs). In many cases, many algorithms are used to reduce underestimation and optimization and scheduling of the entire production process. The publication presents an analysis of the production process in which the duration of the production process is underestimated, taking into account the employment structure in the manufacturing company. The analyzes allow to determine the level of underestimation of operations of the production process depending on the form of employment (steel workers – employed under a contract of employment in the production plant, and temporary workers employed by temporary work agencies), identification of the reasons for the underestimation of individual production positions and the length of their time occurrence.
Źródło:
New Trends in Production Engineering; 2019, 2, 2; 205-213
2545-2843
Pojawia się w:
New Trends in Production Engineering
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Scheduling of the Manufacturing Cell Work with the Use of a Genetic Algorithm on the Example of a Flexible Production System
Autorzy:
Matuszny, Marcin
Powiązania:
https://bibliotekanauki.pl/articles/2201163.pdf
Data publikacji:
2022
Wydawca:
Polska Akademia Nauk. Czytelnia Czasopism PAN
Tematy:
production planning
production control
production scheduling
genetic algorithm
production engineering
production process
Opis:
The article is to present the application of genetic algorithm in production scheduling in a production company. In the research work the assumptions of the methodology were described and the operation of the proposed genetic algorithm was presented in details. Genetic algorithms are useful in complex large scale combinatorial optimisation tasks and in the engineering tasks with numerous limitations in the production engineering. Moreover, they are more reliable than the existing direct search algorithms. The research is focused on the effectivity improvement and on the methodology of scheduling of a manufacturing cell work. The genetic algorithm used in the work appeared to be robust and fast in finding accurate solutions. It was shown by experiment that using this method enables obtaining schedules suitable for a model. It gives a group of solutions that are at least as good as those created by the heuristic rules.
Źródło:
Management and Production Engineering Review; 2022, 13, 4; 98--106
2080-8208
2082-1344
Pojawia się w:
Management and Production Engineering Review
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Planowanie produkcji oparte na prognozowaniu - metoda ATP
Production planning based on foresight - ATP method
Autorzy:
Michna, M.
Senczyna, S.
Powiązania:
https://bibliotekanauki.pl/articles/113171.pdf
Data publikacji:
2014
Wydawca:
STE GROUP
Tematy:
przedsiębiorstwo
planowanie produkcji
prognozowanie
company
production planning
forecasting
Opis:
Ugruntowanymi narzędziami wspomagania zarządzania przedsiębiorstwa są systemy informatyczne ERP. Konieczność utrzymywania wysokiej dynamiki odpowiedzi przedsiębiorstwa na potrzeby otoczenia stawia nowe wymagania wobec narzędzi wspomagających. Informacje o trendach zmian w potrzebach otoczenia mogą poprawić planowanie w dłuższym okresie. W efekcie, przedsiębiorstwo przy minimalnych zapasach własnych, może utrzymać wysoką dynamikę odpowiedzi. Ze względu na pragmatykę wspomagania zarządzania przedstawiamy rozwiązanie w kontekście funkcji systemu ERP. W publikacji prezentujemy metodę ATP, włączającą prognozowanie potrzeb otoczenia do planowania produkcji w przedsiębiorstwie. Pozwala to usprawnić zarządzanie przy możliwie małych kosztach reorganizacji i wdrażania nowych technologii informatycznych.
Well-established tools supporting business management are ERP systems. The need to maintain a high growth company response to the needs of the environment puts new demands on the tools supporting. Information about the trends of changes in the needs of the environment can improve planning in the long term. As a result, the enterprise with minimal inventories of their own, can maintain high dynamic response. Due to the pragmatics of management support to present a solution in the context of the ERP system functionality. In the publication we present a method of ATP, enabling forecasting environment to production planning in the company. This allows you to streamline the management at the smallest possible cost of the reorganization and implementation of new technologies.
Źródło:
Systemy Wspomagania w Inżynierii Produkcji; 2014, 2 (8); 129-141
2391-9361
Pojawia się w:
Systemy Wspomagania w Inżynierii Produkcji
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Zastosowanie systemów ekspertowych w planowaniu procesu produkcyjnego
The use of experts systems in process production planning
Autorzy:
Plinta, D.
Kutshenreiter-Praszkiewicz, I.
Powiązania:
https://bibliotekanauki.pl/articles/276914.pdf
Data publikacji:
2012
Wydawca:
Sieć Badawcza Łukasiewicz - Przemysłowy Instytut Automatyki i Pomiarów
Tematy:
planowanie produkcji
systemy ekspertowe
production planning
expert systems
Opis:
W artykule przedstawiono zastosowanie systemów ekspertowych (eksperckich) w planowaniu procesu produkcyjnego. Celem planowania jest ustalenie możliwych terminów realizacji zamówień oraz kolejności realizacji zleceń produkcyjnych. Uwzględnienie wszystkich czynników wpływających na decyzje związane z planowaniem procesów produkcyjnych staje się niemożliwe bez wykorzystania metod i narzędzi wspierających podejmowanie decyzji. Są to np. systemy ekspertowe oparte na przedstawionej w artykule metodzie QFD oraz metodzie modelowania i symulacji.
The paper presents application of expert systems in the planning of production process. The aim of planning is to determine the possible terms of orders and the sequence of execution of production orders. Taking into account all factors influencing decisions, which are related to planning processes, it becomes impossible without the use of methods and tools for decision support, for example expert systems with methods presented in this paper - with QFD, modeling and simulation.
Źródło:
Pomiary Automatyka Robotyka; 2012, 16, 2; 162-166
1427-9126
Pojawia się w:
Pomiary Automatyka Robotyka
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Analytical Research on Operational Issues of the Remanufacturing Process in India
Autorzy:
Sinha, Ajay Kumar
Rao, Hanumantha
Powiązania:
https://bibliotekanauki.pl/articles/27324209.pdf
Data publikacji:
2023
Wydawca:
Polska Akademia Nauk. Czasopisma i Monografie PAN
Tematy:
remanufacturing
barrier
operational management
production planning
assembly
disassembly
Opis:
Environmental awareness among the masses compelled many companies to adopt sustainable practices in their business operations. Remanufacturing is a well-tested and successful business model practiced in many European countries. But in many African and Asian countries, it is still nascent, including India. This research study tries to identify the critical factors in the “Operational Management” area for the viability of remanufacturing business in India. For this purpose, a questionnaire was developed based on the important factors identified from the extensive literature review. An online questionnaire survey was conducted among Indian white goods appliance manufacturing companies and their suppliers. The responses were analyzed statistically and ranked based on their criticality in initiating remanufacturing business in India. The findings may help the Indian government and manufacturing firms to frame proper strategies related to the operational management issues of remanufacturing business in India.
Źródło:
Management and Production Engineering Review; 2023, 14, 4; 19--27
2080-8208
2082-1344
Pojawia się w:
Management and Production Engineering Review
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Robust production programplanning in ramp-up situations
Autorzy:
Schuh, G.
Schürmeyer, M.
Powiązania:
https://bibliotekanauki.pl/articles/1833814.pdf
Data publikacji:
2013
Wydawca:
Politechnika Poznańska. Wydawnictwo Politechniki Poznańskiej
Tematy:
production planning and control
Cybernetics
Ramp-up Management
Opis:
Producing companies are confronted with a growing number of product ramp-ups, since product life cycles are decreasing and product diversity is increasing. Production Planning and Control (PPC) of ramp-up products is particularly challenging, as there is a significant lack of reliable experienced data. The information deficit is exceptionally high for the first step of PPC process, namely Production Program Planning (PPP). The paper in hand proposes an innovative approach of cybernetic PPP that enables companies with numerous ramp-ups to design reliable and fast PPP processes that can react highly adaptable on unpredictable environmental disturbances. The Viable System Model (VSM) is used as frame of reference for the design of PPP processes in line with principles from management cybernetics.
Źródło:
Research in Logistics & Production; 2013, 3, 4; 255-264
2083-4942
2083-4950
Pojawia się w:
Research in Logistics & Production
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Stochastic programming model for production planning with stochastic aggregate demand and spreadsheet-based solution heuristics
Autorzy:
Saadouli, Nasreddine
Powiązania:
https://bibliotekanauki.pl/articles/2100358.pdf
Data publikacji:
2021
Wydawca:
Politechnika Wrocławska. Oficyna Wydawnicza Politechniki Wrocławskiej
Tematy:
production planning
stochastic programming
efficient algorithm
decision-making
Opis:
By discretising the stochastic demand, a deterministic nonlinear programming formulation is developed. Then, a hybrid simulation-optimisation heuristic that capitalises on the nature of the problem is designed. The outcome is an evaluation problem that is efficiently solved using a spreadsheet model. The main contribution of the paper is providing production managers with a tractable formulation of the production planning problem in a stochastic environment and an efficient solution scheme. A key benefit of this approach is that it provides quick near-optimal solutions without requiring in-depth knowledge or significant investments in optimisation techniques and software.
Źródło:
Operations Research and Decisions; 2021, 31, 4; 117--127
2081-8858
2391-6060
Pojawia się w:
Operations Research and Decisions
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Extending Value Stream Mapping for Lean Production Planning and Control
Autorzy:
van Landeghem, Hendrik
Cottyn, Johannes
Powiązania:
https://bibliotekanauki.pl/articles/2172188.pdf
Data publikacji:
2022
Wydawca:
Polska Akademia Nauk. Czytelnia Czasopism PAN
Tematy:
value stream mapping
production planning
production control
lean
supply chain
Opis:
Value Stream Mapping has been a key Lean tool since its publication in 1988, offering a strategic view on the reconfiguration of an organization’s processes to reduce overall lead time. It has since been used in many different domains beyond (car) manufacturing. However, the potential offered by its concise representation of both material flow and its controlling information flow seems to have been largely underused. Most literature reports on VSM in the context of waste detection and local improvements. VSM also supports redesigning the material flow (even on a supply chain level) towards (pure) pull systems. However, it fails to adequately give guidance on how to gradually evolve towards this ultimate ideal state. This paper wants to offer a significant contribution to practitioners on how to use VSM to bridge this gap. Another key challenge that remains largely unpublished is how to adapt the planning systems accordingly at each reconfiguration of the material flow. This paper presents extensions to the basic VSM tool to meet these challenges. It includes a more comprehensive 5-level hierarchy that allows to position most lean flow-related techniques. It also extends the basic “door-to-door” VSM with new symbols to accommodate these techniques into the map. Finally, it introduces a new set of 13 questions to support redesigning not only the material flow, but also the information flow. The resulting richer future state maps better support the gradual evolution towards a leaner future shop floor, as illustrated with an example.
Źródło:
Management and Production Engineering Review; 2022, 13, 3; 75--82
2080-8208
2082-1344
Pojawia się w:
Management and Production Engineering Review
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Towards dedicated decision support tools: CLP-based approach
Autorzy:
Banaszak, Z.
Józefczyk, J.
Powiązania:
https://bibliotekanauki.pl/articles/118061.pdf
Data publikacji:
2005
Wydawca:
Polskie Towarzystwo Promocji Wiedzy
Tematy:
decision support
constraint logic programming
production planning
modeling
scheduling
Opis:
Constraint programming (CP) is an emergent software technology for declarative description and effective solving of large combinatorial problems especially in areas of integrated production planning. In that context, the CP can be considered as a well-suited framework for development of decision making software supporting small and medium size enterprises in the course of Production Process Planning (PPP). The problem considered regards of finding of computationally effective approach aimed at scheduling of a new project subject to constraints imposed by a multi–project environment. In other words, we are looking for an answer whether a given production order specified by its cost and completion time can be accepted in a given manufacturing system specified by available production capability, i.e., the time-constrained resources availability. The problem belongs to a class of multi-mode case project scheduling problems, where the problem of finding a feasible solution is NPcomplete. The aim of the paper is to present the CP modeling framework as well as to illustrate its application to decision making in the case of a new production order evaluation. So, the contribution emphasizes benefits derived from CPbased DSS and focuses on constraint satisfaction driven decision-making rather than on an optimal solution searching.
Źródło:
Applied Computer Science; 2005, 1, 1; 161-180
1895-3735
Pojawia się w:
Applied Computer Science
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
CP approach to design of steady-state flow of repetitive manufacturing processes in SME
Autorzy:
Wójcik, R.
Bocewicz, G.
Powiązania:
https://bibliotekanauki.pl/articles/118159.pdf
Data publikacji:
2005
Wydawca:
Polskie Towarzystwo Promocji Wiedzy
Tematy:
production planning
waiting-free schedules design
constraint logic programming
Opis:
Concurrent execution of work orders in the small and medium size enterprises (SME) imposes a necessity to consider many control problems concerning systems of repetitive concurrent manufacturing processes using common resources in mutual exclusion. In many cases a production system with a given structure of the processes resource requests can be seen as composed of subsystems with n cyclic processes sharing one resource. For given sets of possible values of the processes operation execution times a problem of finding schedules guaranteeing that no process waits for access to the common resources is considered. In particular for the assigned times of the operations execution a subproblem of finding all possible starting times of work orders execution for which waiting-free schedules exist has been formulated as a constraint programming (CP) problem. The starting times derived can be used as an alternative starting times of work orders execution in case of their possible delays. A state space of the problem’s solutions has been reduced using constraints based on the necessary and sufficient conditions for existence of a waiting-free n-process steady-state schedule. An illustrative example of Mozart-based software application to the solution of constraint logic programming problem considered has been presented.
Źródło:
Applied Computer Science; 2005, 1, 1; 201-218
1895-3735
Pojawia się w:
Applied Computer Science
Dostawca treści:
Biblioteka Nauki
Artykuł

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