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Dr. Lorenzo Fedele
Sapienza University of Rome

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0 Industrial Engineering
0 Maintenance
0 Management
0 Mechanical Engineering

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Journal article
Published: 12 June 2020 in Energies
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This paper defines a methodology for the evaluation of the technical and economic performance of aeronautical engines through the upgrades introduced during its life. The CFM56 is a high-bypass turbofan engine. The variants share a common design, but the details are different. The fan and booster evolved over the different iterations of the engine, as did the compressor, combustor, and turbine sections. Maintenance consists of the activities carried out during the life cycle of an engine to ensure safe, reliable, and economic operation. Maintenance costs represent 20–25% of an airline's operating costs, of which 35–40% refer to the engine. The changes in the performance parameters indicate the state of the engine in the medium to long term: for example, it is possible to detect blade fouling or data on vibrations, and highlight changes in the characteristic behavior of an engine. This work investigates the behavior of the performance parameters in the period prior to an engine development event: a comparison is made with the monitoring of engine vibrations. In the conclusions, a final expressive graph makes us aware of the significant progress, over the years, achieved with the methodology here presented.

ACS Style

Lorenzo Fedele; Luca Di Vito; Fulvio Enzo Ramundo. Increasing Efficiency in an Aeronautical Engine through Maintenance Evaluation and Upgrades: Analysis of the Reliability and Performance Improvements under Financial Issues. Energies 2020, 13, 1 .

AMA Style

Lorenzo Fedele, Luca Di Vito, Fulvio Enzo Ramundo. Increasing Efficiency in an Aeronautical Engine through Maintenance Evaluation and Upgrades: Analysis of the Reliability and Performance Improvements under Financial Issues. Energies. 2020; 13 (12):1.

Chicago/Turabian Style

Lorenzo Fedele; Luca Di Vito; Fulvio Enzo Ramundo. 2020. "Increasing Efficiency in an Aeronautical Engine through Maintenance Evaluation and Upgrades: Analysis of the Reliability and Performance Improvements under Financial Issues." Energies 13, no. 12: 1.

Conference paper
Published: 01 November 2019 in 2019 4th International Conference on System Reliability and Safety (ICSRS)
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International Space Station (ISS) is the state-of-the-art largest man-made habitable living space in low Earth orbit. Safety is of primary concern in human missions to space; the problems in space are mostly of different nature than that encountered here on Earth and therefore, different ways and tools have to be developed to solve such issues: for this purpose it is necessary to consider both technical and environmental challenges. This report tries to investigate criticalities, challenges in addressing them and how they have been solved, from the point of view point of Safety; furthermore, an attempt was made to investigate the complexities of the problems of this habitable orbiting structure and smart ideas adopted to solve these problems in terms of safety and maintenance. The objective of the present report aims to understand how safety can be quantified with a help of FMECA methology, thus, giving an idea to what type of failures are most vulnerable ones and how one can work to eliminate or, otherwise, minimize it. Due to the fact that, the ISS consists of hundreds of thousands of components, only one of the subsystem (propulsion system) has been taken into consideration during the analysis. However, most of the major, systems, sub-systems, and their components have been enlisted to better understand the important aspects of the space station. The description and interpretation of the results obtained with the FMECA analysis offer further ideas, which can be useful to improve the safety of human missions in space.

ACS Style

Fulvio Enzo Ramundo; Lorenzo Fedele. Proposal of a Systematic Approach to Risk Assessment and Management in Space Station. 2019 4th International Conference on System Reliability and Safety (ICSRS) 2019, 283 -289.

AMA Style

Fulvio Enzo Ramundo, Lorenzo Fedele. Proposal of a Systematic Approach to Risk Assessment and Management in Space Station. 2019 4th International Conference on System Reliability and Safety (ICSRS). 2019; ():283-289.

Chicago/Turabian Style

Fulvio Enzo Ramundo; Lorenzo Fedele. 2019. "Proposal of a Systematic Approach to Risk Assessment and Management in Space Station." 2019 4th International Conference on System Reliability and Safety (ICSRS) , no. : 283-289.

Journal article
Published: 27 August 2019 in Safety Science
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Anesthesiological practices are complex activities with inherent risks. Hazard assessment techniques based on cause-effect links and linear reasoning do not adequately represent the actual behavior of modern socio-technical systems, which are characterized by tight couplings and interactions among technical, human and organizational aspects. Analysing hazards following a linear perspective may result in a not completely effective management of process safety. This paper discusses the need for a systemic analysis for healthcare practices, applying such perspective to an anesthesiological process. More specifically, it aims to define process hazards, and unsafe control actions for preoperative and intraoperative anesthesiological activities, extending simple cause-effect reasoning through the System Theoretic Accident Model and Processes (STAMP) and its hazard analysis technique, i.e. System Theoretic Process Analysis (STPA). The outcomes of the study based on qualitative research techniques point out the relevance of a systemic approach, with implications for process management. It is argued that the adoption of strict procedures to constraint the variability of everyday work represents a valuable solution only for some specific tasks, while for many others variability has to be accepted as a means to enhance patient safety in a healthy work environment.

ACS Style

Riccardo Patriarca; Giulio Di Gravio; Francesco Costantino; Lorenzo Fedele; Massimo Tronci; Valentina Bianchi; Fabrizio Caroletti; Federico Bilotta. Systemic safety management in anesthesiological practices. Safety Science 2019, 120, 850 -864.

AMA Style

Riccardo Patriarca, Giulio Di Gravio, Francesco Costantino, Lorenzo Fedele, Massimo Tronci, Valentina Bianchi, Fabrizio Caroletti, Federico Bilotta. Systemic safety management in anesthesiological practices. Safety Science. 2019; 120 ():850-864.

Chicago/Turabian Style

Riccardo Patriarca; Giulio Di Gravio; Francesco Costantino; Lorenzo Fedele; Massimo Tronci; Valentina Bianchi; Fabrizio Caroletti; Federico Bilotta. 2019. "Systemic safety management in anesthesiological practices." Safety Science 120, no. : 850-864.

Journal article
Published: 30 April 2019 in Frontiers: The Interdisciplinary Journal of Study Abroad
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The purpose of this paper is to describe a short term study abroad program that exposes engineering and nursing undergraduate students from the United States and Italy to an intercultural and interprofessional immersion experience . Faculty fr om Purdue University and Sapienza Università di Roma collaborated to design a technical program that demonstrates the complementary nature of engineering and public health in the service sector, with Rome as an integral component of the program. S pecifically, the intersection of topics including systems, reliability, process flow, maintenance management, and public health are covered through online lectures, in class activities and case study discussions, field experiences, and assessments. Here in, administrat ive issues such as student recruitment, selection, and preparation are elucidated. Additionally, the pedagogical approach used to ensure constructive alignment among the program goals, the intended learning outcomes, and the teaching and learning activitie s is described. Finally, examples of learning outcomes resulting from this alignment are provided.

ACS Style

Sara A. McComb; Lorenzo Fedele; Patrick A. Brunese; Vicki L. Simpson. An Interprofessional, Intercultural, Immersive Short-Term Study Abroad Program: Public Health and Service Systems in Rome. Frontiers: The Interdisciplinary Journal of Study Abroad 2019, 31, 148 -168.

AMA Style

Sara A. McComb, Lorenzo Fedele, Patrick A. Brunese, Vicki L. Simpson. An Interprofessional, Intercultural, Immersive Short-Term Study Abroad Program: Public Health and Service Systems in Rome. Frontiers: The Interdisciplinary Journal of Study Abroad. 2019; 31 (1):148-168.

Chicago/Turabian Style

Sara A. McComb; Lorenzo Fedele; Patrick A. Brunese; Vicki L. Simpson. 2019. "An Interprofessional, Intercultural, Immersive Short-Term Study Abroad Program: Public Health and Service Systems in Rome." Frontiers: The Interdisciplinary Journal of Study Abroad 31, no. 1: 148-168.

Conference paper
Published: 01 January 2015 in VI Latin American Congress on Biomedical Engineering CLAIB 2014, Paraná, Argentina 29, 30 & 31 October 2014
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The growing obsolescence of medical equipments in industrialized countries - despite of a continuously increasing expenditure for management and maintenance - causes high safety risks, high dissatisfaction and inefficiency. Maintenance has, thus, become an essential competitive factor in modern and advanced health systems, for reasons of safety and service efficiency. The design and transfer of innovative maintenance models and methodologies, typical of Industry, are, therefore, urgent. In this paper, we analyze cost optimization models for maintenance in industrial sectors, drawing conclusions on their applicability in the healthcare sector. The analysis is done with reference to a specific medical device – the ultrasound – , chosen because of its high diffusion and intensive use, high supply costs and high complexity of maintenance. As a result of the analysis, we identify a specific methodology as feasible for the task and propose a novel updating to fit the particular needs and constraints of the healthcare sector.

ACS Style

Lorenzo Fedele; Enrico Zio. An Innovative Methodology for Cost Optimization of the Maintenance of Medical Devices. VI Latin American Congress on Biomedical Engineering CLAIB 2014, Paraná, Argentina 29, 30 & 31 October 2014 2015, 637 -640.

AMA Style

Lorenzo Fedele, Enrico Zio. An Innovative Methodology for Cost Optimization of the Maintenance of Medical Devices. VI Latin American Congress on Biomedical Engineering CLAIB 2014, Paraná, Argentina 29, 30 & 31 October 2014. 2015; ():637-640.

Chicago/Turabian Style

Lorenzo Fedele; Enrico Zio. 2015. "An Innovative Methodology for Cost Optimization of the Maintenance of Medical Devices." VI Latin American Congress on Biomedical Engineering CLAIB 2014, Paraná, Argentina 29, 30 & 31 October 2014 , no. : 637-640.

Book chapter
Published: 06 January 2011 in Methodologies and Techniques for Advanced Maintenance
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What does maintenance mean and what is the etymology of the word? Has the original meaning changed, or has it evolved throughout man’s history and, in particular, in recent years? How can maintenance be placed, historically, with respect to other technical and scientific disciplines? What has made maintenance a subject of growing interest in recent years?

ACS Style

Lorenzo Fedele. Introduction. Methodologies and Techniques for Advanced Maintenance 2011, 3 -4.

AMA Style

Lorenzo Fedele. Introduction. Methodologies and Techniques for Advanced Maintenance. 2011; ():3-4.

Chicago/Turabian Style

Lorenzo Fedele. 2011. "Introduction." Methodologies and Techniques for Advanced Maintenance , no. : 3-4.

Book chapter
Published: 06 January 2011 in Methodologies and Techniques for Advanced Maintenance
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The analysis of post-industrial society brings out the spread of attention towards social phenomena that imply increasingly greater spaces for the dimension of maintenance. We refer in this connection to:

ACS Style

Lorenzo Fedele. Planning and Managing Maintenance. Methodologies and Techniques for Advanced Maintenance 2011, 5 -20.

AMA Style

Lorenzo Fedele. Planning and Managing Maintenance. Methodologies and Techniques for Advanced Maintenance. 2011; ():5-20.

Chicago/Turabian Style

Lorenzo Fedele. 2011. "Planning and Managing Maintenance." Methodologies and Techniques for Advanced Maintenance , no. : 5-20.

Book chapter
Published: 06 January 2011 in Methodologies and Techniques for Advanced Maintenance
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During the phase of planning of a system, situations often occur in which the complexity of models of dependability and the number of parameters in play create a very complex framework, in which it would be almost impossible to make any decision relative to system choices, technologies, initial component quality and engineering, etc. in the absence of in-depth analysis conducted with appropriate methods of research.

ACS Style

Lorenzo Fedele. The Life Cycle of Products and Systems and Logistical Engineering. Methodologies and Techniques for Advanced Maintenance 2011, 21 -32.

AMA Style

Lorenzo Fedele. The Life Cycle of Products and Systems and Logistical Engineering. Methodologies and Techniques for Advanced Maintenance. 2011; ():21-32.

Chicago/Turabian Style

Lorenzo Fedele. 2011. "The Life Cycle of Products and Systems and Logistical Engineering." Methodologies and Techniques for Advanced Maintenance , no. : 21-32.

Book chapter
Published: 06 January 2011 in Methodologies and Techniques for Advanced Maintenance
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The investigation conducted on the state of the art was performed through analysis of the most important instruments available in the literature and practice for the measurement of quality in services, especially focused on the extension of these approaches to the management of quality in the field of maintenance services. This also referred in particular to cases where these services are entrusted to third parties through global service contracts.

ACS Style

Lorenzo Fedele. Model for the Overall Evaluation of Management and Maintenance Contracts (by Lorenzo Fedele and Massimo Concetti). Methodologies and Techniques for Advanced Maintenance 2011, 179 -197.

AMA Style

Lorenzo Fedele. Model for the Overall Evaluation of Management and Maintenance Contracts (by Lorenzo Fedele and Massimo Concetti). Methodologies and Techniques for Advanced Maintenance. 2011; ():179-197.

Chicago/Turabian Style

Lorenzo Fedele. 2011. "Model for the Overall Evaluation of Management and Maintenance Contracts (by Lorenzo Fedele and Massimo Concetti)." Methodologies and Techniques for Advanced Maintenance , no. : 179-197.

Book chapter
Published: 06 January 2011 in Methodologies and Techniques for Advanced Maintenance
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Condition monitoring is the activity of evaluating the current condition of a plant or apparatus, obtained through techniques that range from the use of complex computerised instruments to the exploitation of human sensitiveness, for the purpose of preventing breakdowns and implementing maintenance only in the presence of a potential breakdown and when it is most convenient on the basis of the production schedule (Williams et al. 1994).

ACS Style

Lorenzo Fedele. From Basic Maintenance to Advanced Maintenance. Methodologies and Techniques for Advanced Maintenance 2011, 63 -112.

AMA Style

Lorenzo Fedele. From Basic Maintenance to Advanced Maintenance. Methodologies and Techniques for Advanced Maintenance. 2011; ():63-112.

Chicago/Turabian Style

Lorenzo Fedele. 2011. "From Basic Maintenance to Advanced Maintenance." Methodologies and Techniques for Advanced Maintenance , no. : 63-112.

Book chapter
Published: 06 January 2011 in Methodologies and Techniques for Advanced Maintenance
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With a view to maintenance, the concept of system testability is understood as the ‘intrinsic characteristic of a system or apparatus to permit means of internal self-diagnosis, or appropriate external instrumentation, to verify the functional efficiency and diagnose breakdowns'. This logistical parameter has been a matter of concern for some time now, and many figures of merit (FOM) have been defined for it in order to evaluate the quality of a system of self-diagnosis or to estimate how testable an apparatus is from outside.

ACS Style

Lorenzo Fedele. Testability and Prognostics. Methodologies and Techniques for Advanced Maintenance 2011, 113 -140.

AMA Style

Lorenzo Fedele. Testability and Prognostics. Methodologies and Techniques for Advanced Maintenance. 2011; ():113-140.

Chicago/Turabian Style

Lorenzo Fedele. 2011. "Testability and Prognostics." Methodologies and Techniques for Advanced Maintenance , no. : 113-140.

Book chapter
Published: 06 January 2011 in Methodologies and Techniques for Advanced Maintenance
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In the sector of structural concrete constructions, these themes have been the subject of systematisation by the European Beton Committee, stimulated by the widespread state of deterioration of structures in Europe after the Second World War, especially bridges and parking lots. Testimony to the condition of deterioration of these structures can be found in the acts of international congresses: in 1975, the “Colloquium Inter Association IABSE–FIP–CEB–RILEM–IASS Behaviour in Service of Concrete Structures” held in Liegi; in 1980, one of the themes of the “1st International Congress of the Association for Bridge and Structural Engineering (IABSE)” held in Vienna was “Lessons from the Behaviour of Structures”; in 1988, one of the themes of the 13th IABSE Congress, held in Helsinki, examined “Inspection, Assessment and Maintenance”; in 1992, one of the themes of the 14th IABSE Congress, held in New Delhi, concerned “Bridge Management Systems”. One of the contributions to this theme, “A Decision System for Bridge Management”, by J. De Brito and F. A. Branco, of the Technical University of Lisbon, confirms the high percentage of deterioration observed in reinforced concrete and pre-compressed reinforced concrete bridges, in recent decades, proposing a decision-making system based on the data collected from three levels of inspection: current inspection, based almost exclusively on visual observation, detailed inspection, integrated by non-destructive on-site tests, and ascertainment of the structural conditions of the works. These analyses proved to be the elements in determining an index of evaluation, used to decide upon any corrective intervention within the ambit of maintenance procedures and, if necessary, to make repairs or provide for reinforcement.

ACS Style

Lorenzo Fedele; Lorenz Fedele. The System of Unified Diagnostics and Standard Maintenance of Bridges and Infrastructures. Methodologies and Techniques for Advanced Maintenance 2011, 199 -218.

AMA Style

Lorenzo Fedele, Lorenz Fedele. The System of Unified Diagnostics and Standard Maintenance of Bridges and Infrastructures. Methodologies and Techniques for Advanced Maintenance. 2011; ():199-218.

Chicago/Turabian Style

Lorenzo Fedele; Lorenz Fedele. 2011. "The System of Unified Diagnostics and Standard Maintenance of Bridges and Infrastructures." Methodologies and Techniques for Advanced Maintenance , no. : 199-218.

Book chapter
Published: 06 January 2011 in Methodologies and Techniques for Advanced Maintenance
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The management of technical production and safety plants is generally a complex activity, especially when the management of a great many plants distributed throughout the territory is required (for example, the increasingly frequent case of entrusting the maintenance of plants to specialised outsourcers), when a guarantee of the quality and results is required (such as in the case of several innovative contractual solutions) and when the technology of the plants is heterogeneous and innovative (for example, in electro-mechanical plants, etc.).

ACS Style

Lorenz Fedele. Intelligent Telematic Maintenance Systems for the Management of Technical Plants (by Lorenzo Fedele and Giampiero Mercuri). Methodologies and Techniques for Advanced Maintenance 2011, 143 -178.

AMA Style

Lorenz Fedele. Intelligent Telematic Maintenance Systems for the Management of Technical Plants (by Lorenzo Fedele and Giampiero Mercuri). Methodologies and Techniques for Advanced Maintenance. 2011; ():143-178.

Chicago/Turabian Style

Lorenz Fedele. 2011. "Intelligent Telematic Maintenance Systems for the Management of Technical Plants (by Lorenzo Fedele and Giampiero Mercuri)." Methodologies and Techniques for Advanced Maintenance , no. : 143-178.

Book chapter
Published: 06 January 2011 in Methodologies and Techniques for Advanced Maintenance
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In this chapter we will analyse the various strategies that we have referred to above, on the basis of an important premise: it is quite easy to have a certain degree of confusion in identifying the various approaches to maintenance, because the diversities that authors attempt to bring to light are often fuzzy and difficult to render in a complete manner and, at times, through translations. In any case, the declared intention of this treatise is not to clarify possible shortfalls relative to terminology, but to provide an overview of the various possible approaches to maintenance, highlighting as much as possible the interrelations and stages that have marked its development.

ACS Style

Lorenzo Fedele. Maintenance Policies and Strategies. Methodologies and Techniques for Advanced Maintenance 2011, 33 -60.

AMA Style

Lorenzo Fedele. Maintenance Policies and Strategies. Methodologies and Techniques for Advanced Maintenance. 2011; ():33-60.

Chicago/Turabian Style

Lorenzo Fedele. 2011. "Maintenance Policies and Strategies." Methodologies and Techniques for Advanced Maintenance , no. : 33-60.

Book
Published: 01 January 2011 in Methodologies and Techniques for Advanced Maintenance
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The management of technical plants for productivity and safety is generally a complex activity, particularly when many plants in one territory are affected, quality guarantees and cost results are required, and the technology involved is heterogeneous and innovative. To enable readers to manage technical plants efficiently, despite the above complications, Methodologies and Techniques for Advanced Maintenance presents theories, methodologies and practical tools for the realization of an intelligent maintenance management system for distant monitoring. It also covers the development and running of a remote control center. The so-called granted availability management system (GrAMS) was conceived to enable organizations involved in technical-industrial plant management to move towards "well known availability" and "zero failures" management. In particular, Methodologies and Techniques for Advanced Maintenance deals with the diagnostic aspects and safety levels of technical plants (such as elevators, thermo-technical plants, etc.). The author also discusses the usage of ad hoc designed software analysis tools based on neural networks and reliability indicators. Methodologies and Techniques for Advanced Maintenance is a useful text for practitioners and researchers in maintenance and facilities. Its application spans industrial, plant, technological, infrastructure and civil fields.

ACS Style

Lorenzo Fedele. Methodologies and Techniques for Advanced Maintenance. Methodologies and Techniques for Advanced Maintenance 2011, 1 .

AMA Style

Lorenzo Fedele. Methodologies and Techniques for Advanced Maintenance. Methodologies and Techniques for Advanced Maintenance. 2011; ():1.

Chicago/Turabian Style

Lorenzo Fedele. 2011. "Methodologies and Techniques for Advanced Maintenance." Methodologies and Techniques for Advanced Maintenance , no. : 1.

Journal article
Published: 31 January 2009 in Reliability Engineering & System Safety
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The management of technical plant for productivity and safety is generally a complex activity, particularly when many plants distributed in the territory are considered (i.e. the more and more frequent case of outsourced plants maintenance by specialized companies), granted quality and cost results are required (i.e. the case of some rather innovative contract solutions) and the technology involved is heterogeneous and innovative (i.e. electro-mechanical plants). In order to efficiently achieve the above aims an “intelligent” maintenance–management system for the distant monitoring and controlling by a remote control center has been developed. The so-called GrAMS (granted availability management system) system is conceived to give to organizations involved in technical–industrial plants management the possibility to tend to a “well-known availability” and “zero-failures” management. In particular, this study deals with the diagnostic aspects and safety level of technical plants (such as elevators, thermo-technical plants, etc.), and with the involvement of ad hoc designed software analysis tools based on neural networks and reliability indicators. Part of the research dealing with the tele-maintenance intelligent system has been financed by the Italian High Institute for Safety (ISPESL) and led to the development of a pre-industrial prototype whose realization and testing is here described

ACS Style

Massimo Concetti; Roberto Cuccioletta; Lorenzo Fedele; Giampiero Mercuri. Tele-maintenance “intelligent” system for technical plants result management. Reliability Engineering & System Safety 2009, 94, 63 -77.

AMA Style

Massimo Concetti, Roberto Cuccioletta, Lorenzo Fedele, Giampiero Mercuri. Tele-maintenance “intelligent” system for technical plants result management. Reliability Engineering & System Safety. 2009; 94 (1):63-77.

Chicago/Turabian Style

Massimo Concetti; Roberto Cuccioletta; Lorenzo Fedele; Giampiero Mercuri. 2009. "Tele-maintenance “intelligent” system for technical plants result management." Reliability Engineering & System Safety 94, no. 1: 63-77.

Conference paper
Published: 01 January 2009 in Recent Advances in Maintenance and Infrastructure Management
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Maintenance is the science that studies the compendium of technical and management actions, from the point of view of planning as well as management, which enable an organisation to perform economic, safe, efficient and environmentally effective management, according to established quality standards, of any type of asset or group of assets (Fedele et al., 2004). Considering the general applicability to any merchandise, technical and productive sector, as well as the strategic scope of this science for the continuance of human livelihood, maintenance is one of the systems theory sciences, to which the general principles of systems engineering apply.

ACS Style

Lorenzo Fedele; Olivier Basile; Pierre Dehombreux; Enrico Filippi; Jacopo Cassina; Marco Taisch; Matteo Zanotto; Marco Gerosa; Daniel Ball; Yan Ruqiang; Robert X. Gao; Abhijit V. Deshmukh; Gerhard Müller; Klaus Richter; Cathrin Plate; Johannes Mandelartz; Vincenzo Gattulli. Technologies for Dependability and Maintenance. Recent Advances in Maintenance and Infrastructure Management 2009, 5 -95.

AMA Style

Lorenzo Fedele, Olivier Basile, Pierre Dehombreux, Enrico Filippi, Jacopo Cassina, Marco Taisch, Matteo Zanotto, Marco Gerosa, Daniel Ball, Yan Ruqiang, Robert X. Gao, Abhijit V. Deshmukh, Gerhard Müller, Klaus Richter, Cathrin Plate, Johannes Mandelartz, Vincenzo Gattulli. Technologies for Dependability and Maintenance. Recent Advances in Maintenance and Infrastructure Management. 2009; ():5-95.

Chicago/Turabian Style

Lorenzo Fedele; Olivier Basile; Pierre Dehombreux; Enrico Filippi; Jacopo Cassina; Marco Taisch; Matteo Zanotto; Marco Gerosa; Daniel Ball; Yan Ruqiang; Robert X. Gao; Abhijit V. Deshmukh; Gerhard Müller; Klaus Richter; Cathrin Plate; Johannes Mandelartz; Vincenzo Gattulli. 2009. "Technologies for Dependability and Maintenance." Recent Advances in Maintenance and Infrastructure Management , no. : 5-95.

Guest editorial
Published: 19 May 2008 in Production Planning & Control
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After illustrating the motivations for this special issue, the Editorial provides a framework of the maintenance and facility management areas, deploying the main development trends that are in action for their improvement in efficiency and effectiveness. Also the strategy and course of actions to pursue such trends are included into the framework. Finally, a structured review note of the papers included in the special issue is presented, illustrating their contribution to the framework enrichment.

ACS Style

Roberto Cigolini; Lorenzo Fedele; Marco Garetti; Marco Macchi. Recent advances in maintenance and facility management. Production Planning & Control 2008, 19, 279 -286.

AMA Style

Roberto Cigolini, Lorenzo Fedele, Marco Garetti, Marco Macchi. Recent advances in maintenance and facility management. Production Planning & Control. 2008; 19 (4):279-286.

Chicago/Turabian Style

Roberto Cigolini; Lorenzo Fedele; Marco Garetti; Marco Macchi. 2008. "Recent advances in maintenance and facility management." Production Planning & Control 19, no. 4: 279-286.

Journal article
Published: 19 May 2008 in Production Planning & Control
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ACS Style

Roberto Cigolini; Lorenzo Fedele; Angelo N. Villa. Managing facilities under the multi-service result-oriented approach: some insights coming from the field in Italy. Production Planning & Control 2008, 19, 312 -326.

AMA Style

Roberto Cigolini, Lorenzo Fedele, Angelo N. Villa. Managing facilities under the multi-service result-oriented approach: some insights coming from the field in Italy. Production Planning & Control. 2008; 19 (4):312-326.

Chicago/Turabian Style

Roberto Cigolini; Lorenzo Fedele; Angelo N. Villa. 2008. "Managing facilities under the multi-service result-oriented approach: some insights coming from the field in Italy." Production Planning & Control 19, no. 4: 312-326.

Conference paper
Published: 24 December 2002 in IECEC 96. Proceedings of the 31st Intersociety Energy Conversion Engineering Conference
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The Stirling machine has had wide diffusion only in cold or cryogenic applications (Philips) while the engine, despite the efforts of large Companies (Philips, Westinghouse, General Motors, etc.), never definitively reached the market; today new interest is raised correlated with environmental and energy related considerations. Thus, researchers' efforts are addressed towards the design of innovative and more competitive Stirling engine configurations, like the one proposed by the authors. This paper describes the configuration of a new, rotary Stirling engine. In the cold part of the engine, the working fluid is compressed by a rotating element, then it passes through the regenerator from the cold to the hot end, where it absorbs the heat and expands in the high pressure and temperature area. The high pressure working fluid pushes on the rotating element (the so called "rotator") and the engine outputs power. In their design, compression and expansion volumes change with the rotation. Two rotators are connected with a set of gears, therefore, the engine transmission system is simplified and dimensions are reduced.

ACS Style

R.I. Abenavoli; W. Dong; Lorenzo Fedele; A. Sciaboni. Design of a new type of rotary Stirling engine. IECEC 96. Proceedings of the 31st Intersociety Energy Conversion Engineering Conference 2002, 2, 1283 -1288 vol.2.

AMA Style

R.I. Abenavoli, W. Dong, Lorenzo Fedele, A. Sciaboni. Design of a new type of rotary Stirling engine. IECEC 96. Proceedings of the 31st Intersociety Energy Conversion Engineering Conference. 2002; 2 ():1283-1288 vol.2.

Chicago/Turabian Style

R.I. Abenavoli; W. Dong; Lorenzo Fedele; A. Sciaboni. 2002. "Design of a new type of rotary Stirling engine." IECEC 96. Proceedings of the 31st Intersociety Energy Conversion Engineering Conference 2, no. : 1283-1288 vol.2.