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Wyszukujesz frazę "maintenance cost" wg kryterium: Temat


Tytuł:
Preventive maintenance of multiple components for hydraulic tension systems
Autorzy:
Dui, Hongyan
Zheng, Xiaoqian
Zhao, Qian Qian
Fang, Yining
Powiązania:
https://bibliotekanauki.pl/articles/2038176.pdf
Data publikacji:
2021
Wydawca:
Polska Akademia Nauk. Polskie Naukowo-Techniczne Towarzystwo Eksploatacyjne PAN
Tematy:
preventive maintenance
reliability
importance measure
maintenance cost
Opis:
Automatically controlled hydraulic tension systems adjust the tension force of a conveyor belt under different working conditions. Failures of an automatically controlled hydraulic tension system influence the performance of conveyor belts. At present, the maintenance of automatically controlled hydraulic tension systems mainly considers the replacement of components when failures occur. Considering the maintenance cost and downtime, it is impossible to repair all the failed components to improve the hydraulic tension system. One of the key problems is selecting the most valuable components for preventive maintenance. In this paper, preventive maintenance for multiple components in a hydraulic tension system is analyzed. An index is proposed to select more reliable preventive maintenance components to replace the original ones. A case study is given to demonstrate the proposed method. When the cost budget increases, there are three different variations in the number of components for selective preventive maintenance (SPM).
Źródło:
Eksploatacja i Niezawodność; 2021, 23, 3; 489-497
1507-2711
Pojawia się w:
Eksploatacja i Niezawodność
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
A data-driven predictive maintenance strategy based on accurate failure prognostics
Autorzy:
Chen, Chuang
Wang, Cunsong
Lu, Ningyun
Jiang, Bin
Xing, Yin
Powiązania:
https://bibliotekanauki.pl/articles/1841691.pdf
Data publikacji:
2021
Wydawca:
Polska Akademia Nauk. Polskie Naukowo-Techniczne Towarzystwo Eksploatacyjne PAN
Tematy:
predictive maintenance
failure prognostics
performance degradation
maintenance cost
Opis:
Maintenance is fundamental to ensure the safety, reliability and availability of engineering systems, and predictive maintenance is the leading one in maintenance technology. This paper aims to develop a novel data-driven predictive maintenance strategy that can make appropriate maintenance decisions for repairable complex engineering systems. The proposed strategy includes degradation feature selection and degradation prognostic modeling modules to achieve accurate failure prognostics. For maintenance decision-making, the perfect time for taking maintenance activities is determined by evaluating the maintenance cost online that has taken into account of the failure prognostic results of performance degradation. The feasibility and effectiveness of the proposed strategy is confirmed using the NASA data set of aero-engines. Results show that the proposed strategy outperforms the two benchmark maintenance strategies: classical periodic maintenance and emerging dynamic predictive maintenance.
Źródło:
Eksploatacja i Niezawodność; 2021, 23, 2; 387-394
1507-2711
Pojawia się w:
Eksploatacja i Niezawodność
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Maintenance cost study for deteriorating systems : age-replacement policy vs. condition-based maintenance policy
Autorzy:
Bouvard, K.
Artus, S.
Bérenguer, C.
Cocquempot, V.
Powiązania:
https://bibliotekanauki.pl/articles/2069558.pdf
Data publikacji:
2008
Wydawca:
Uniwersytet Morski w Gdyni. Polskie Towarzystwo Bezpieczeństwa i Niezawodności
Tematy:
maintenance cost
degradation model
age-replacement
condition-based maintenance
Opis:
This paper deals with the maintenance cost of deteriorating systems. Two maintenance strategies are studied: age-replacement and condition-based maintenance. To compare these two policies, degradation models are used: these models characterize the degradation level but also the system time-to-failure. In order to compute the optimal condition-based maintenance cost, we suppose that the main influencing sources are the preventive threshold, the inspection frequency and the inspection cost. Numerical examples illustrate the maintenance cost computation and compare the optimal costs of both policies.
Źródło:
Journal of Polish Safety and Reliability Association; 2008, 1; 85--92
2084-5316
Pojawia się w:
Journal of Polish Safety and Reliability Association
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Importance measure-based maintenance strategy considering maintenance costs
Autorzy:
Zhang, Chao
Zhang, Yadong
Dui, Hongyan
Wang, Shaoping
Tomovic, Mileta M.
Powiązania:
https://bibliotekanauki.pl/articles/2057976.pdf
Data publikacji:
2022
Wydawca:
Polska Akademia Nauk. Polskie Naukowo-Techniczne Towarzystwo Eksploatacyjne PAN
Tematy:
system reliability
importance measure
maintenance cost
preventive maintenance
opportunistic maintenance
Opis:
Maintenance is an important way to ensure the best performance of repairable systems. This paper considers how to reduce system maintenance cost while ensuring consistent system performance. Due to budget constraints, preventive maintenance (PM) can be done on only some of the system components. Also, different selections of components to be maintained can have markedly different effects on system performance. On the basis of the above issues, this paper proposes an importance-based maintenance priority (IBMP) model to guide the selection of PM components. Then the model is extended to find the degree of correlation between two components to be maintained and a joint importance-based maintenance priority (JIBMP) model to guide the selection of opportunistic maintenance (OM) components is proposed. Also, optimization strategies under various conditions are proposed. Finally, a case of 2H2E architecture is used to demonstrate the proposed method. The results show that generators in the 2E layout have the highest maintenance priority, which further explains the difference in the importance of each component in PM.
Źródło:
Eksploatacja i Niezawodność; 2022, 24, 1; 15--24
1507-2711
Pojawia się w:
Eksploatacja i Niezawodność
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Algorithm for choosing the most optimal maintenance companies
Algorytm wyboru optymalnego sposobu prowadzenia firmy
Autorzy:
Salimov, R.
Vlasenko, P.
Powiązania:
https://bibliotekanauki.pl/articles/213216.pdf
Data publikacji:
2013
Wydawca:
Sieć Badawcza Łukasiewicz - Instytut Lotnictwa
Tematy:
maintenance
reliability
maintenance cost
utrzymanie
niezawodność
jakość konserwacji
koszty utrzymania
Opis:
The algorithm for choosing the most optimal Maintenance Company is considered. The cost and quality rates such as Maintenance Cost, the Cost of Waiting Lines, the Costs of Aircraft Shipping to Maintenance Station, the Cost of After-maintenance Service, the Maintenance Quality rate are described. Ranges of permissible values of these parameters are justified.
Algorytm wyboru optymalnego utrzymania Firmy musi być przemyślany. W publikacji opisane są koszty i jakość. Przytoczono takie wskaźniki jak koszty utrzymania, koszty przestojów, koszty przewozów lotniczych, koszty uruchomienia serwisu, prędkość dostaw, jakość wykonania, konserwacja. W artykule uzasadniono zakresy dopuszczalnych wartości tych parametrów.
Źródło:
Prace Instytutu Lotnictwa; 2013, 5-6 (232-233); 109-114
0509-6669
2300-5408
Pojawia się w:
Prace Instytutu Lotnictwa
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Component Maintenance Strategies and Risk Analysis for Random Shock Effects Considering Maintenance Costs
Autorzy:
Zhang, Chao
Zhang, Yadong
Dui, Hongyan
Wang, Shaoping
Tomovic, Mileta M.
Powiązania:
https://bibliotekanauki.pl/articles/24200830.pdf
Data publikacji:
2023
Wydawca:
Polska Akademia Nauk. Polskie Naukowo-Techniczne Towarzystwo Eksploatacyjne PAN
Tematy:
system reliability
preventive maintenance
importance measure
maintenance cost
random shock
Opis:
Maintenance can improve a system’s reliability in a long operation period or when a component has failed. The reliability modeling method that uses the stochastic process degradation model to describe the system degradation process has been widely used. However, the existing reliability models established using stochastic processes only consider the internal degradation process, and do not fully consider the impact of external random shocks on their reliability modeling. Furthermore, the existing theory of importance does not consider the actual factors of maintenance cost. In this paper, based on the reliability modeling of random processes, the degradation rate under the influence of random shocks is introduced into the time scale function to solve the impact of random shocks on product reliability, and two cost importance measures are proposed to guide the maintenance selection of the components under limited resources in the system. Finally, a subsystem of an aircraft hydraulic system is analyzed to verify the proposed method’s performance.
Źródło:
Eksploatacja i Niezawodność; 2023, 25, 2; art. no. 162011
1507-2711
Pojawia się w:
Eksploatacja i Niezawodność
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
The Use of the EOQ Model in Inventory Management in the Supply Chain on the Example of Bahlsen Polska
Autorzy:
Paluch, Waldemar
Powiązania:
https://bibliotekanauki.pl/articles/504000.pdf
Data publikacji:
2019
Wydawca:
Międzynarodowa Wyższa Szkoła Logistyki i Transportu
Tematy:
EOQ
supply chain management maintenance cost
order cost
safety stock
Opis:
The article presents the theoretical basis of the EOQ (economic quantity order) model, which allows you to optimize the size of the order so as to minimize the cost of frozen capital. The next part presents the results of implementing the model at Bahlsen Polska, assuming that it does not receive any discounts from suppliers in relation to the size of the order. This assumption can be excluded in the case of the functioning of the disposition system, carried out taking into account large contracts with the supplier. Optimization in this situation does not apply to the quantity in the contract, but only to a single call which is information for the supplier who must deliver a certain amount of goods, and at the same time reduce the balance appearing in the contract.
Źródło:
Logistics and Transport; 2019, 43, 3; 41-46
1734-2015
Pojawia się w:
Logistics and Transport
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Effective time interval for railway track geometry inspection
Autorzy:
Kasraei, Ahmad
Zakeri, Jabbar Ali
Powiązania:
https://bibliotekanauki.pl/articles/223850.pdf
Data publikacji:
2020
Wydawca:
Polska Akademia Nauk. Czytelnia Czasopism PAN
Tematy:
track geometry
inspection interval
maintenance
degradation
maintenance cost
geometria toru
przeglądy
konserwacja
degradacja
koszty utrzymania
Opis:
A proper decision-making scheme for track geometry maintenance requires a knowledge of the real condition of track geometry. Therefore, the track must be inspected by measurement cars at different time intervals. The frequency of track geometry inspection plays a crucial role in decision-making and has always been a big concern for infrastructure managers. The inspection interval should be chosen properly, it means that the small period can decrease the capacity of line and affect the operation of network and the big period can result in low quality of track and in some cases derailments and possible loss of human lives. The aim of this paper is to determine the effective inspection interval such that the total maintenance cost is minimized. In the proposed cost model, the costs of inspection, preventive maintenance, corrective maintenance and the penalty for exceeding the corrective maintenance level are considered. A case study is performed on a real dataset collected from a railway line in Iran. The standard deviation of longitudinal level is considered to measure track geometry degradation. A widely applied linear model is used to model track geometry degradation over time. Monte Carlo technique is used to simulate the track geometry behavior under various track geometry inspection intervals. In addition, a set of sensitivity analyses are carried out to assess the effect of various inspection intervals on different terms of maintenance cost. The results indicate that not only can substantial costs be saved by setting effective inspection intervals, but also the time during which the track suffers from bad conditions is dramatically reduced. The result of this study has shown the appropriate inspection interval for the studied case can result in 13.6 percent decrease in maintenance cost in comparison with the current maintenance policy. Besides, it would lead to more reliable railway track by preventing the system exceed the corrective threshold.
Źródło:
Archives of Transport; 2020, 53, 1; 53-65
0866-9546
2300-8830
Pojawia się w:
Archives of Transport
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Preliminary study of shaping the railway track geometry in terms of their maintenance costs and capacity
Autorzy:
Gołębiowski, Piotr
Kukulski, Jacek
Powiązania:
https://bibliotekanauki.pl/articles/223617.pdf
Data publikacji:
2020
Wydawca:
Polska Akademia Nauk. Czytelnia Czasopism PAN
Tematy:
railway infrastructure
maintenance cost
capacity
rail durability
infrastruktura kolejowa
koszty utrzymania
pojemność
trwałość szyn
Opis:
In Poland, due to the increase in investments made by railways in recent years, and thus the increase in the replacement value of transport infrastructure, the need for expenditure on infrastructure maintenance will increase in the next 30 years, or the development of the developed transport network will degrade. As part of the overall discipline of resource management, subdiscipline has emerged - infrastructure asset management. As part of the management of railway transport infrastructure, the demand for cheaper maintenance costs will grow. The cost reduction of infrastructure maintenance is possible through meticulous assessment of its condition, rational selection of locations and scope of repairs at the assumed risk level, as well as at the stage of preparation of new construction or modernization projects taking into account aspects of later maintenance. For some time, we have been observing the accumulation of knowledge (methods, programs, procedures) in the country and abroad enabling optimization of infrastructure condition assessment and programming of its maintenance. The implementation of these solutions may result in a more rational use of funds for infrastructure maintenance and not disturb its smooth functioning in operation. The article discusses aspects that should be considered in the design process of railway infrastructure. Particular attention was paid to the durability of steel components of the railway superstructure, maintenance costs as well as aspects related to the capacity of the track node. An example of dependence of selected values of radial arcs depending on their durability and maintenance costs was presented. It was proposed to change the track layout at the Warszawa Srodmiescie passenger stop planned for reconstruction. Calculations of kinematic parameters for various configurations of railway turnouts were performed. Also, calculations of the capacity for the existing track system solution as well as the proposed track system after reconstruction of the analysed Warszawa Srodmiescie railway station were also carried out.
Źródło:
Archives of Transport; 2020, 53, 1; 115-128
0866-9546
2300-8830
Pojawia się w:
Archives of Transport
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Ocena stanu technicznego infrastruktury wodno-melioracyjnej na polderze Zagórów
Technical state assessment of the drainage facilities in the Zagorow polder
Autorzy:
Bykowski, J.
Przybyła, C.
Napierała, M.
Mrozik, K.
Pęciak, A.
Powiązania:
https://bibliotekanauki.pl/articles/401060.pdf
Data publikacji:
2014
Wydawca:
Polskie Towarzystwo Inżynierii Ekologicznej
Tematy:
infrastruktura wodno-melioracyjna
gospodarka polderowa
koszty utrzymania
drainage facilities
polder’s water management
maintenance cost
Opis:
W pracy przeprowadzono ocenę stanu infrastruktury wodno-melioracyjnej oraz warunków i potrzeb jej utrzymania, jako podstawy racjonalnej gospodarki wodnej na użytkowanym rolniczo obszarze polderu Zagórów. Na podstawie badań terenowych stwierdzono, że stan techniczny 80,8% długości badanych kanałów i rowów melioracyjnych oraz 40,7% budowli hydrotechnicznych i komunikacyjnych jest niedopuszczalny i nie spełnia przyjętych kryteriów pozytywnej oceny technicznej. Główną przyczyną wykazanego stanu urządzeń melioracyjnych jest długoletnia eksploatacja urządzeń przy braku lub niedostatecznej częstości wykonywania zabiegów utrzymaniowych. Do przywrócenia odpowiedniego stanu technicznego urządzeń wystarczy w większości przypadków wykonanie konserwacji bieżącej. Przed przystąpieniem do robót należy jednak przeprowadzić szczegółową analizę dotyczącą niezbędności urządzenia dla sprawnego funkcjonowania systemu melioracyjnego. Analiza powinna dotyczyć aktualnych potrzeb melioracji danego obszaru z uwzględnieniem warunków gospodarczych oraz potrzeb ochrony środowiska przyrodniczego. Na polderach charakteryzujących się często dużymi walorami przyrodniczymi zaleca się stosować zasady rozsądnego kompromisu między utrzymaniem odpowiedniego stanu urządzeń melioracyjnych a ochroną środowiska przyrodniczego.
At this work the assessment of state of water drainage conditions and the needs of its maintenance was carried out, as the basis for rational water management in usage of agricultural of Zagorow polder area. Based on field research, it was found that the condition of the 80.8% of the length of canals and ditches, and 40.7% of hydraulic and communication structures is unacceptable and does not meet the accepted criteria. The main reason of such condition of drainage facilities is a long-term exploitation absence or insufficient maintenance work frequency. To restore the proper state of maintenance facilities, in most cases the routine operation is sufficient. Before to the work we should conduct a detailed analysis regarding the necessity of the equipment for the smooth functioning of the drainage system. The analysis should address the current needs of the drainage area taking into account the economic conditions and the needs of environmental protection. On the polders often characterized by large natural values it is recommended to apply the principles of reasonable compromise between maintaining adequate drainage facilities and state of conservation of the natural environment.
Źródło:
Inżynieria Ekologiczna; 2014, 39; 42-50
2081-139X
2392-0629
Pojawia się w:
Inżynieria Ekologiczna
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Balancing reliability and maintenance cost rate of multi-state components with fault interval omission
Równoważenie wskaźników niezawodności i kosztów utrzymania elementów wielostanowych z pominięciem przedziału wystąpienia uszkodzenia
Autorzy:
Dong, Wenjie
Liu, Sifeng
Yang, Xiaoyu
Wang, Huan
Fang, Zhigeng
Powiązania:
https://bibliotekanauki.pl/articles/301323.pdf
Data publikacji:
2019
Wydawca:
Polska Akademia Nauk. Polskie Naukowo-Techniczne Towarzystwo Eksploatacyjne PAN
Tematy:
multi-state systems (MSSs)
fault effect omission
stochastic process
repairable model
maintenance cost rate
systemy wielostanowe (MSS)
pominięcie wpływu uszkodzenia
proces stochastyczny
model naprawialny
polityka utrzymania ruchu
Opis:
For the repairable multi-state component, reliability indexes are analyzed based on a homogenous Continuous Time Markov Chain (CTMC). If the component can work well when its repair time is sufficiently short, a threshold value for maintenance is introduced. When the fault interval is less than threshold time, the fault effect is considered neglected. In this paper, comparisons of availability show differences of the new model and the original model with or without fault interval omission. In addition, balancing the maintenance cost and lifetime of multi-state components is an important issue when threshold values are considered. Both constants and non-negative random variables are modeled respectively. Finally, numerical examples are presented to illustrate the results obtained in this paper.
W przypadku naprawialnych elementów wielostanowych, wskaźniki niezawodności analizuje się w oparciu o łańcuch Markowa z czasem ciągłym. Jeśli element może działać prawidłowo, mimo uszkodzenia, dzięki wystarczająco krótkiemu czasowi naprawy, wprowadza się próg czasowy dla konserwacji. Gdy przedział czasu, w którym następuje uszkodzenie jest krótszy niż próg czasowy dla działań konserwacyjnych, wpływ uszkodzenia uważa się za nieistotny. Przeprowadzone w niniejszym artykule porównania gotowości wykazały różnice między nowym modelem a modelem oryginalnym z pominięciem lub bez pominięcia przedziału wystąpienia uszkodzenia. Ponadto, przy rozważaniu wartości progowych, ważną kwestią jest równoważenie kosztów utrzymania i żywotności elementów wielostanowych. W pracy próg wystąpienia uszkodzenia zamodelowano, odpowiednio, zarówno jako wartość stałą jak i nieujemną zmienną losową. Na koniec przedstawiono przykłady ilustrujące wyniki przedstawionych badań.
Źródło:
Eksploatacja i Niezawodność; 2019, 21, 1; 37-45
1507-2711
Pojawia się w:
Eksploatacja i Niezawodność
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Testing the integrated package of tools supporting decision making on identification, prediction and optimization of complex technical systems operation, reliability and safety. Part 6. IS&RDSS Application – Exemplary system operation cost analysis and maintenance optimization
Autorzy:
Kołowrocki, K.
Soszyńska-Budny, J.
Xie, M.
Powiązania:
https://bibliotekanauki.pl/articles/2069548.pdf
Data publikacji:
2011
Wydawca:
Uniwersytet Morski w Gdyni. Polskie Towarzystwo Bezpieczeństwa i Niezawodności
Tematy:
operation cost
complex systems
corrective maintenance
preventive maintenance
Opis:
The way of operation cost analysis of the complex technical system at the variable operation conditions and its application to the evaluation of the cost before and after the exemplary system operation process optimization is presented. The methods of corrective and preventive maintenance policy maximizing availability and minimizing renovation cost of the complex technical systems in variable operation conditions are presented and applied to the exemplary system.
Źródło:
Journal of Polish Safety and Reliability Association; 2011, 2, 2; 435--444
2084-5316
Pojawia się w:
Journal of Polish Safety and Reliability Association
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Reliability evaluation as a means of increasing the efficiency of equipment maintenance
Autorzy:
Stuchlý, V.
Poprocký, R.
Kaczmarek, M.
Powiązania:
https://bibliotekanauki.pl/articles/957947.pdf
Data publikacji:
2016
Wydawca:
Stowarzyszenie Inżynierów i Techników Mechaników Polskich
Tematy:
reliability model
centred maintenance
cost
consequences
Opis:
Quality assurance of production and the associated maintenance systems have changed a lot for recent decades and are subject to change requirements for reliability – Reliability and Availability of machinery and equipment subject to the optimal maintenance costs. The paper deals with design options and assessment of the maintenance system intended method of reliability-oriented maintenance and maintenance costs. They use the methods of statistical and probabilistic analyzes of data on failure mode of operation, as well as methods priori reliability. The emphasis is on cost-effectiveness evaluation.
Źródło:
Advances in Science and Technology. Research Journal; 2016, 10, 32; 40-46
2299-8624
Pojawia się w:
Advances in Science and Technology. Research Journal
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Influence of the selected exploitation tasks on airline operating cost and flight safety taking as an example turbofan engine
Autorzy:
Glowacki, P.
Powiązania:
https://bibliotekanauki.pl/articles/242859.pdf
Data publikacji:
2016
Wydawca:
Instytut Techniczny Wojsk Lotniczych
Tematy:
aircraft engine
maintenance
exploitation cost
flight safety
Opis:
The total cost of the aircraft maintenance was in 2012 about $ 80 billion, including maintenance, repair and overhaul, ie. MRO market (Maintenance, Repairs and Overhaul), the operators of these aircraft have spent about $ 60.7 billion – of which 40% were direct maintenance costs of the engines. It can be concluded that main influencer on airline direct maintenance costs are spending for power plants. The article shows that the appropriate exploitation of the engine, leading not only to the total operating costs (mainly the cost of fuel and maintenance) reduction. Also through continuously engine health monitoring, resulting in a higher reliability, and thereby increases the safety of flying and – what is now especially important – by decreasing fuel consumption reduces greenhouse gas and exhaust toxic components emissions. The modern aircraft engine and its basic performances were described. Based on data, analysis from approximately twenty thousand flights of the specific operator and self-experience, the benefits from the use of specific maintenance and operational tasks are presented. Results of the calculations were demonstrated which proved that engine life extension between overhaul (TBO) has impact on the operator’s maintenance reserves reduction, positive cash flow and fuel cost savings. The article confirms that it need not be contradiction between aircraft operator economic effect, and the improvement of safety of flying.
Źródło:
Journal of KONES; 2016, 23, 2; 129-136
1231-4005
2354-0133
Pojawia się w:
Journal of KONES
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Opredelenie pokazatelejj remontoprigodnosti agregatov gidravlicheskikh transmisijj mobilnykh mashin v uslovijakh ehkspluatacijj
Definition of indicators of maintainability hydraulic transmissions mobile machines in the operation
Autorzy:
Chernikh, T.
Powiązania:
https://bibliotekanauki.pl/articles/78176.pdf
Data publikacji:
2013
Wydawca:
Komisja Motoryzacji i Energetyki Rolnictwa
Tematy:
hydraulic transmission
reliability
maintenance
diagnostics
repair
service
cost reduction
Opis:
During the investigation of indicators of maintainability hydraulic transmissions in the operation were developed measures for indicators improvement in behalf of shall operate status of units, searching for malfunctions and repair operability. Also, when calculating the coefficients, which are indicators of maintainability, reasonable and possible ways to reduce costs during the repair and service impacts.
Źródło:
Motrol. Motoryzacja i Energetyka Rolnictwa; 2013, 15, 4
1730-8658
Pojawia się w:
Motrol. Motoryzacja i Energetyka Rolnictwa
Dostawca treści:
Biblioteka Nauki
Artykuł

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