scholarly journals AGING OF TECHNICAL SYSTEMS – LITERATURE REVIEW

2021 ◽  
Vol 24 (1) ◽  
pp. 69-74
Author(s):  
Mohammed Mudabbiruddin ◽  
◽  
Laszlo Pokoradi ◽  
Keyword(s):  
Literature Review ◽  
Mathematical Modelling ◽  
Technical State ◽  
Maintenance Management ◽  
Optimal Management ◽  
Vehicle Engineering ◽  
Maintenance Decisions ◽  
Technical Systems

The maintenance is one of the most important territories of practical vehicle engineering. For optimal management maintenance decisions one of the most important matter to know momentary technical state of given system. In this paper literature of aging of technical systems is studied briefly. We found 2 major topics. They are maintenance management and mathematical modelling. These and their connections with other matter was widely studied in the field of aging. In this review we comparatively discuses all the methods and their theories. It will be very helpful for other readers to choose any methods to carry out better results.

scholarly journals Exploitation Policy in the Aspect of Industry 4.0 Concept – Overview of Selected Research

2018 ◽  
Vol 1 (1) ◽  
pp. 353-359
Author(s):  
Anna Timofiejczuk ◽  
Jaroslaw Brodny ◽  
Andrzej Loska
Keyword(s):  
Decision Making ◽  
Product Development ◽  
Industry 4.0 ◽  
Maintenance Management ◽  
Research Results ◽  
Production Processes ◽  
Decision Making Processes ◽  
Technical Systems

Abstract The article is a review of completed research on developed and implemented innovative and technologically advanced technical systems. According to the Industry 4.0 concept they can have a significant impact on the efficiency of production processes and product development. In this perspective, the key aspect seems to be maintenance management of technical systems, realized both in the operate phase as well as during service and repair works. There were discussed research results of authors and developed application solutions supporting decision-making processes, in terms of three main periods of realization of exploitation processes: short, medium and long-term.

Developing Maintenance Key Performance Indicators From Maintenance Work Order Data

2018 ◽  
Author(s):  
Michael P. Brundage ◽  
K. C. Morris ◽  
Thurston Sexton ◽  
Sascha Moccozet ◽  
Michael Hoffman
Keyword(s):  
Performance Indicators ◽  
Small And Medium Enterprises ◽  
Key Performance Indicators ◽  
Maintenance Management ◽  
Other Information ◽  
Maintenance Decisions ◽  
Maintenance Technicians ◽  
Maintenance Work ◽  
Maintenance Decision ◽  
Medium Enterprises

Maintenance management for manufacturing is a crucial activity for improving productivity within a facility. Within this process, maintenance work orders (MWOs) are used when tracking and solving any maintenance–related issue. The MWOs often capture the problem, the solution, at what machine the problem occurred, who solved the problem, when the problem occurred, and other information. These MWOs are manually written by maintenance technicians, entered into a database, or recorded directly into maintenance management software. Technicians often describe or record information informally — or do not record it at all — leading to inconsistencies and/or inaccuracies in the data. This paper outlines maintenance key performance indicators (KPIs), developed using MWOs, that show why consistent and accurate data collection is important for maintenance decision making. The maintenance data, or “elements,” and their corresponding KPIs are derived from MWOs from real manufacturers (large manufacturers and small and medium enterprises). While all elements or KPIs are not recorded by every manufacturer, the guideline provided here outlines the elements necessary to calculate specific KPIs. These examples are developed to aid in common maintenance decisions.

scholarly journals Cholecystocolonic fistula presenting as a lower gastrointestinal bleeding: Preoperative work-up, treatment options, and literature review

2016 ◽  
Vol 4 (1) ◽  
pp. 20
Author(s):  
Marc J. Dauer ◽  
Oscar K. Serrano
Keyword(s):  
Literature Review ◽  
Gastrointestinal Bleeding ◽  
Preoperative Planning ◽  
Treatment Options ◽  
Lower Gastrointestinal Bleeding ◽  
Optimal Management ◽  
Cholecystocolonic Fistula ◽  
Preoperative Work Up ◽  
Work Up ◽  
The Ideal

Cholecystocolonic fistulae are the second most common choloenteric fistulae, yet only a small percentage are diagnosed preoperatively. This lack of preoperative recognition often leads to intraoperative discovery, leaving little opportunity for preoperative planning. Herein, we present the case of a 59-year-old male who presented with a cholecystocolonic fistula, manifested by lower gastrointestinal bleeding. Recognition of the fistula allowed for medical optimization and preoperative planning. There is currently a shortage of data on the ideal management of cholecystocolonic fistulae. We review the literature on cholecystocolonic fistulae and discuss the alternatives and controversies to the optimal management.

METHODS OF PROLONGATION OF OPERATING LIFETIMES FOR COMPLEX TECHNICAL SYSTEMS LIKE MOVABLE MOUNTINGS OF SPECIAL PURPOSE

2019 ◽  
pp. 46-51
Author(s):  
V. M. Trukhanov ◽  
M. P. Kukhtik
Keyword(s):  
Probabilistic Method ◽  
Reliability Function ◽  
Technical State ◽  
Distribution Law ◽  
Method Of Calculation ◽  
Actual Load ◽  
Operating Lifetime ◽  
Complex Technical Systems ◽  
Technical Systems ◽  
Element Base

The article is devoted to the relevant issue of prolongation of operating lifetimes for complex technical systems like movable mountings of special purpose. The issues of mean and residual lives have been considered, mathematical models of mean and residual lives have been represented. Methods of prolongation of operating lifetimes for expensive objects of special purpose like movable mountings have been described. In particular, mathematical model of prolongation of operating lifetimes by the calculation and analytical method, which is based on of normal distribution law of actual load and durability, has been represented. The experimental method, which is based on analysis of actual technical state of element base and material, has been described. The probabilistic method of calculation of reliability function during prolonged operating lifetime taking into account actual technical state of element base has been represented.

Analysis and Assessment of Errors of Commission in Nuclear Power Plant Settings

2000 ◽  
Vol 44 (22) ◽  
pp. 851-854
Author(s):  
Oliver Straeter
Keyword(s):  
Power Plant ◽  
Nuclear Power Plant ◽  
Nuclear Power ◽  
Maintenance Management ◽  
Pressure Injection ◽  
Safety Margins ◽  
Plant Maintenance ◽  
Complex Technical Systems ◽  
Technical Systems ◽  
High Pressure Injection

The term Errors of Commission (EOC) describes a safety problem of complex technical systems where humans intervene into the system functions in an inappropriate way. Most serious events in any technical area are caused by EOCs. Humans shut down a high pressure injection that is needed in the current situation (TMI Nuclear Power Plant), humans decide to continue a test that brings the plant into serious conditions (Chernobyl Nuclear Power Plant), Maintenance Management does not exchange a wheel that is far below the safety margins (Eschede Railway Accident in Germany). Similar examples can be mentioned in other technical systems like Aircraft or Medicine for instance. This paper firstly gives an overview about the problem and the work in that field. It then focuses on some approaches for solution concerning the modeling of cognitive human behaviour.

Healthcare facilities maintenance management: a literature review

2017 ◽  
Vol 15 (4) ◽  
pp. 352-375 ◽  
Author(s):  
Zahra Yousefli ◽  
Fuzhan Nasiri ◽  
Osama Moselhi
Keyword(s):  
Literature Review ◽  
Healthcare Services ◽  
Facility Management ◽  
Maintenance Management ◽  
Future Research ◽  
Content Type ◽  
Healthcare Facilities ◽  
And Performance ◽  
Management Functions ◽  
The Impact

Purpose The complexity and criticality of healthcare services highlight the importance of maintenance management function in healthcare facilities. The purpose of this paper is to review the literature on maintenance management of healthcare facilities and hospital buildings to provide an organized literature review and identify gaps from the perspective of research and practice. Design/methodology/approach The paper categorizes the literature and adopts a review hierarchy according to maintenance management functions in hospital buildings. It explores the impact of those functions on the performance of maintenance activities in hospitals. Furthermore, it examines the role of information technology and automated decision support systems in facilitating hospital maintenance management functions and performance. Findings Literature on maintenance management in healthcare facilities and hospital buildings has so far been very limited. Recently published literature focusing on healthcare facilities management and its maintenance management functions is classified into various areas and sub-areas. The paper highlights gaps in the literature and suggests avenues for future research and improvements. Originality/value The paper contains a comprehensive listing of publications and their classifications according to various attributes. It will be useful for researchers, maintenance managers, practitioners and stakeholders concerned with facility management of hospital buildings.

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