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2009


Record 1 of 36
Author(s): Janofsky, JS (Janofsky, Jeffrey S.)
Title: Reducing Inpatient Suicide Risk: Using Human Factors Analysis to Improve Observation Practices
Source: JOURNAL OF THE AMERICAN ACADEMY OF PSYCHIATRY AND THE LAW, 37 (1): 15-24 2009
Conference Title: 39th Annual Meeting of the American-Academy-of-Psychiatry-and-the-Law
Conference Date: OCT 23, 2008
Conference Location: Settle, WA
Abstract: In 1995, the joint Commission began requiring that hospitals report reviewable sentinel events as a condition of maintaining accreditation. Since then, inpatient suicide has been the second most common sentinel event reported to the joint Commission. The joint Commission emphasizes the need for around-the-clock observation for inpatients assessed as at high risk for suicide. However, there is sparse literature on the observation of psychiatric patients and no systematic studies or recommendations for best practices. Medical errors can best be reduced by focusing on systems improvements rather than individual provider mistakes. The author describes how failure modes and effects analysis (FMEA) was used proactively by an inpatient psychiatric treatment team to improve psychiatric observation practices by identifying and correcting potential observation process failures. Collection and implementation of observation risk reduction strategies across health care systems is needed to identify best practices and to reduce inpatient suicides.
ISSN: 1093-6793

Record 2 of 36
Author(s): Yoshikawa, H (Yoshikawa, Hidekazu)
Title: DISTRIBUTED HMI SYSTEM FOR MANAGING ALL SPAN OF PLANT CONTROL AND MAINTENANCE
Source: NUCLEAR ENGINEERING AND TECHNOLOGY, 41 (3): 237-246 APR 2009
Abstract: Digitalization of not only non-safety but also safety-grade I &C systems With full computerized Main Control ROOM (MCR) is the recent trend of I&C systems Of nuclear power plants (NPP) around the world, while plant maintenance has been shifting From traditional time based maintenance to condition based maintenance. In order to cope with the new trend of operation and maintenance in NPP, a concept of online distributed diagnostic system for both plant operation and maintenance has been proposed in order to Further improve both the plant efficiency and file work environment of plant operation staff members by organizational learning. In this respect., the research subjects Of human machine interface (HMI) for the online distributed diagnostic system are also discussed for supporting the plant personnel at both MCR and local working places in the plant by the application of advanced ICT (Information and Communication Technologies).
ISSN: 1738-5733

Record 3 of 36
Author(s): Tay, KM (Tay, Kai Meng); Lim, CP (Lim, Chee Peng); Teh, CS (Teh, Chee Siong)
Editor(s): Comley, RA; Amavasai, BP; Cheng, X; OGrady, M; Huyck, C; Siddique, NH
Title: Fuzzy Rule Base Assessment Models: Theoretical Analyses and Case Studies
Source: PROCEEDINGS OF THE 2008 7TH IEEE INTERNATIONAL CONFERENCE ON CYBERNETIC INTELLIGENT SYSTEMS: 385-390 2008
Conference Title: 7th IEEE International Conference on Cybernetic Intelligent Systems
Conference Date: SEP 09-10, 2008
Conference Location: London, ENGLAND
Conference Host: Middlesex Univ
Abstract: An assessment model is usually a mathematical model that produces a measuring index, in the form of a numerical score to a situation/object, with respect to the subject of measure. To allow a valid and useful comparison among various situations/objects according to their associated numerical scores to be made, two important properties, i.e., the monotone output property and output resolution property, are essential in fuzzy inference-based assessment problems. In this paper, the conditions for a fuzzy assessment model to fulfill the monotone output property is investigated using a derivative approach. A guideline on how the input membership functions should be timed is also provided. Besides, the output resolution property is defined as the derivative of the output of the assessment model with respect to the input, whereby the derivative should be greater than a minimum resolution. Based on the derivative, improvements to the output resolution property by refining the fuzzy production rules are suggested. A case study on the Bowles fuzzy RPN model to demonstrate the effectiveness of the properties is also included.
ISBN: 978-1-4244-2914-1

Record 4 of 36
Author(s): Chou, IC (Chou, I-Chi); Hsueh, HC (Hsueh, Hsu-Chin); Lee, RG (Lee, Ren-Guey)
Title: EXAMPLE FOR MOBILE ECG HOLTER DESIGN USING FMEA MODEL
Source: BIOMEDICAL ENGINEERING-APPLICATIONS BASIS COMMUNICATIONS, 21 (1): 61-70 FEB 2009
Abstract: This paper describes an approach for evaluating the risk of components used in the Holter. Holter is a portable device for recording patients' electrocardiogram in medicine. Holter might hurt users as a result of a bad design, and might record incorrectly when malfunction happens. To prevent risk of injury, we analyze the potential failures of the Holter based on the Failure Mode and Effects Analysis, which is a risk assessment technique. Then, we calculate the Risk Priority Number (RPN) of each failure. According to the RPN, we give two strategies for reducing the risk. One is protection, and the other is alarm. The protection system is used to prevent hazards of the Holter from incorrect operations by the user, and the alarm system is used to detect the malfunction of the Holter. The experimental results show that the safety of the Holter is improved with these two circuits.
ISSN: 1016-2372

Record 5 of 36
Author(s): Varzakas, TH (Varzakas, Theodoros H.); Arvanitoyannis, IS (Arvanitoyannis, Ioannis S.)
Title: Application of failure mode and effect analysis and cause and effect analysis on processing of ready to eat vegetables - part II
Source: INTERNATIONAL JOURNAL OF FOOD SCIENCE AND TECHNOLOGY, 44 (5): 932-939 MAY 2009
Abstract: Failure mode and effect analysis (FMEA) model has been applied for the risk assessment of ready to eat vegetables manufacturing. A tentative approach of FMEA application to the ready to eat vegetables industry was attempted in conjunction with cause and effect diagrams. critical control points have been identified and implemented in the cause and effect diagram (also known as Ishikawa, tree diagram and fishbone diagram). The main emphasis was put on the quantification of risk assessment by determining the risk priority number (RPN) per identified processing hazard. Receiving, storage and distribution, packaging and cooling were the processes identified as the ones with the highest RPN (225, 225, 180 and 144 respectively) and corrective actions were undertaken. Following the application of corrective actions, a second calculation of RPN values was carried out leading to considerably lower values (below the upper acceptable limit of 130). It is noteworthy that the application of Ishikawa (cause and effect or tree diagram) led to converging results thus corroborating the validity of conclusions derived from risk assessment and FMEA. Therefore, the incorporation of FMEA and cause and effect analysis within the ISO22000 system of a ready to eat vegetables processing industry is considered imperative.
ISSN: 0950-5423
DOI: 10.1111/j.1365-2621.2007.01682.x

Record 6 of 36
Author(s): Sivapirakasam, SP (Sivapirakasam, S. P.); Surianarayanan, M (Surianarayanan, M.); Swaminathan, G (Swaminathan, G.)
Title: Hazard assessment for the safe storage, manufacturing and handling of flash compositions
Source: JOURNAL OF LOSS PREVENTION IN THE PROCESS INDUSTRIES, 22 (2): 254-256 MAR 2009
Abstract: Fireworks manufacturing in India is generally carried out manually due to sensitive nature of the chemical mixtures to thermal, mechanical and electrical hazards. Despite extreme care accidents continue to record leading to fatalities and complete destruction of the facility. Since there are no piping and instrumentation diagrams, it becomes difficult to apply the conventional hazard assessment techniques like HAZOP, FTA, and FMEA. In this work, for the first time one of the well-known hazard identification procedures called "what-if analysis" was used to identify hazards in a typical firework manufacturing facility. Such methodical analysis helped to identify conditions that can lead to an accident situation. This paper discusses many necessary safety precautions to be followed in the manufacture of flash compositions. (C) 2008 Elsevier Ltd. All rights reserved.
ISSN: 0950-4230
DOI: 10.1016/j.jlp.2008.09.001

Record 7 of 36
Author(s): Passek, T (Passek, Tibor); Dirschmid, F (Dirschmid, Ferdinand); Schindler, V (Schindler, Volker); Duddeck, F (Duddeck, Fabian)
Book Group Author(s): VDI
Title: Quality Assurance for Numerical Analysis and Simulation for the Functional Design of Car Bodies
Source: SIMVEC - NUMERICAL ANALYSIS AND SIMULATION IN VEHICLE ENGINEERING 2008, 2031: 851-873 2008
Book series title: VDI BERICHTE
Conference Title: 14th International Conference and Trade Exhibition on Numerical Analysis and Simulation in Vehicle Engineering
Conference Date: NOV 26-27, 2008
Conference Location: Baden-Baden, GERMANY
Abstract: To reduce development costs and time, automobile manufacturers intend to limit the number of cost-intensive and time-consuming prototypes to verify the functional characteristics of the vehicles. Hence, verifications based on experimental testing in former times shall be replaced today by numerical simulations. To stay abreast of these changes and to account for rising complexity in modelling and methods, there is the need of accurately defined and quality controlled practices and processes for numerical analysis and simulation. The results of corresponding initiatives are presented here.
Within the scope of an ongoing research project, methods known for quantifying the quality used in design engineering, production and experimental testing were adapted systematically - if appropriate - to numerical simulations for the functional design of car bodies. In particular, a procedure model was developed for managing the quality of the product as well as the process of numerical analyses and simulations. The proprietary procedure model is based on a combination of "Quality Function Deployment" (QFD) and "Failure Mode and Effects Analysis" (FMEA), which is already approved in several other scopes. The successful transfer to virtual design is shown here.
ISSN: 0083-5560
ISBN: 978-3-18-092031-3

Record 8 of 36
Author(s): Ung, ST (Ung, S. T.); Williams, V (Williams, V.); Bonsall, S (Bonsall, S.); Wang, J (Wang, J.)
Title: The Risk Assessment and Management of Port Security Using Fuzzy Modeling
Source: MARINE TECHNOLOGY AND SNAME NEWS, 46 (2): 61-73 APR 2009
Abstract: A security assessment is considered to be a difficult mission because of the characteristically unpredictable outcomes associated with high consequences. This study offers an illustration using different approaches both in thinking about and in dealing with this issue. The security risk can be modeled and a risk ranking can be obtained based on the concept of "Failure Mode, Effects, and Criticality Analysis" (FMECA) using a fuzzy rule base method. The model presented in this study is based on the assumption that the elements of criticality at each port facility, and of the vulnerability of the security measures associated, are more important than the elements of probability of occurrence the threat associated and also of its severity. This is because the former two elements are the only factors that can be fully under control by the port authority. The priority of the order in implementing the modified security measures proposed to enhance the security level of each scenario is determined using "Expanded Failure Mode and Effects Analysis" (EFMEA), taking into account their feasibility and effect.
ISSN: 0025-3316

Record 9 of 36
Author(s): Verma, AK (Verma, A. K.); Venu, VV (Venu, V. Vijay)
Book Group Author(s): IEEE
Title: A Tracing-based Realistic State Space Selection Method for Composite Power System Reliability Assessment in the Restructured Scenario
Source: 2008 IEEE POWER & ENERGY SOCIETY GENERAL MEETING, VOLS 1-11: 2100-2105 2008
Conference Title: General Meeting of the IEEE-Power-and-Energy-Society
Conference Date: JUL 20-24, 2008
Conference Location: Pittsburgh, PA
Abstract: Electric power industry deregulation has brought about the unbundling of generation, transmission and distribution services and as such, new techniques for reliability assessment are being developed to account for the consequent structural changes in the restructured environment through direct analytical techniques or stochastic simulation. To this end, reliability equivalent techniques have been proposed in recent literature and are continuously being improvised upon, especially for the multi-bilateral contracts market structure. Power flow tracing, a potential tool that has so far only been effectively employed in transmission pricing in the open access environment, is deemed to be equally effective in capturing the effect of structural and economic alterations for the purpose of reliability evaluation in the liberalized regime. This paper elaborates on the idea that when used in tandem with reliability equivalent methods, tracing is bound to improve the accuracy of the indices in vogue. The contribution of individual generators and loads to tine flows is obtained using a graph theoretic approach, relying on the proportional sharing principle. This information is then proposed to be used in the transmission line Failure Modes and Effects Analysis (FMEA) phase of the established procedure of reliability network equivalents. Comparisons are drawn to highlight the computational as well as accuracy benefits accrued in doing so.
ISBN: 978-1-4244-1905-0

Record 10 of 36
Author(s): Yuan, CM (Yuan Changming); Duan, Y (Duan Yue)
Editor(s): Li, SC; Wang, YJ; An, Y; Sun, XY; Li, X
Title: Study on Identification, Analysis and Control of Hazard in a Coking Production Process
Source: PROGRESS IN SAFETY SCIENCE AND TECHNOLOGY, VOL VII, PTS A AND B, 7: 76-79 Part A-B 2008
Book series title: PROGRESS IN SAFETY SCIENCE AND TECHNOLOGY SERIES
Conference Title: International Symposium on Safety Science and Technology
Conference Date: SEP 24-27, 2008
Conference Location: Beijing, PEOPLES R CHINA
Abstract: Based on the characteristics of production process and the theory of lose control of energy releasing, an investigation on identification, analysis and control of hazard sources in the process system of preparing coal, coking, reclaiming, maintaining and dynamics in a coking plant has been carried out. Many analysis methods, such as Preliminary Hazard Analysis (PHA), Failure Modes Effects Analysis (FMEA), Fault Tree Analysis (FTA)and Hazard And Operability Studies (HAZOP) have been used. In the hazard units, index of hazard frequency and degree of hazard severity have been calculated. Hazard source management grades have also been confirmed. Based on the identification and analysis results, the hazard control measures in a coking production process have been brought forward.
ISBN: 978-7-03-022901-4

Record 11 of 36
Author(s): Li, G (Li, Guo); Gao, JM (Gao, Jianmin); Chen, FM (Chen, Fumin)
Title: A novel approach for failure modes and effects analysis based on polychromatic sets
Source: AI EDAM-ARTIFICIAL INTELLIGENCE FOR ENGINEERING DESIGN ANALYSIS AND MANUFACTURING, 23 (2): 119-129 MAY 2009
Abstract: Traditional failure modes and effects analysis (FMEA) methods lack Sufficient semantics and structure to provide full traceability between the failure modes and the effects of the complex system. To overcome this limitation, this paper proposes a formal failure knowledge representation model combined with the Structural decomposition of the complex system, The model defines the failure modes as the inherent properties of the physical entities Lit different hierarchical levels, and employs the individual color. unified color. and Boolean matrix of the polychromatic sets to represent the failure modes in terms of their interrelationships and their relations to the physical system. This method is a structure-based modeling technique that provides a simple. yet comprehensive framework to organize the failure modes and their causes and effects More systematically and completely. Using the iterative search process operated oil the reasoning matrices. the end effects on the entire system call be achieved automatically. which allows for the consideration of both the single and multiple failures. Ail example is embedded in the description of the methodology for better understanding. Because of the powerful mathematical modeling capability of the polychromatic sets. the approach presented in this paper makes significant progress in FMEA formalization.
ISSN: 0890-0604
DOI: 10.1017/S089006040900002X

Record 12 of 36
Author(s): Hamann, R (Hamann, Rainer); Uhlig, A (Uhlig, Andreas); Papadopoulos, Y (Papadopoulos, Yiannis); Rude, E (Ruede, Erich); Gratz, U (Graetz, Uwe); Walker, M (Walker, Martin); Lien, R (Lien, Rune)
Book Group Author(s): ASME
Title: SEMI AUTOMATIC FAILURE ANALYSIS BASED ON SIMULATION MODELS
Source: OMAE 2008: PROCEEDINGS OF THE 27TH INTERNATIONAL CONFERENCE ON OFFSHORE MECHANICS AND ARCTIC ENGINEERING - 2008, VOL 2 - STRUCTURES, SAFETY AND RELIABILITY : 265-276 2008
Conference Title: 27th International Conference on Offshore Mechanics and Arctic Engineering
Conference Date: JUN 15-20, 2008
Conference Location: Estoril, PORTUGAL
Abstract: Classical risk assessment and risk management which is gaining importance in many industries is usually based on well defined processes and uses techniques like FTA and FMEA. However, classical risk analysis techniques like FTA and FMEA should ideally be automated, at least to some extent and without loss of effectiveness, to enable fast and cost effective iterations of system modelling and risk analysis that can meet the tight cost and time constraints of most offshore projects. This paper is focused on the presentation of a new concept and tool extension for model-based synthesis of fault trees and FMEAs in which these failure analyses are automatically constructed from engineering design models, e.g. simulation models that have been augmented with information about the local propagation of failures. The simulation model is developed in the commercial system modelling tool SimulationX. The proposed process enables the automatic generation of both fault trees and FMEA tables in a single run of the tool, allowing the FMEA and fault trees to share failure data and allowing the FMEA to include failures caused by multiple basic events. As it is a largely automated process, it could be easily iterated to enable the continuous assessment of evolving designs. It provides an automatic generation of fault trees and FMEA tables for multiple top events in a single run of the tool. The potential benefits from application of this technique and tool are substantial and include simplifying the analysis, easing the examination of effects of design modifications on safety and keeping the safety analyses consistent with the design. Furthermore, the presented approach combines the benefits of simulation and risk analysis in one tool. The benefits of this approach are demonstrated by the example of a blow out preventer for a subsea installation valve.
ISBN: 978-0-7918-4819-7

Record 13 of 36
Author(s): Chen, YY (Chen, Yung-Yuan); Wang, YC (Wang, Yi-Chiang); Peng, AM (Peng, Aan-Min)
Book Group Author(s): IEEE
Title: SoC-Level Fault Injection Methodology in SystemC Design Platform
Source: 7TH INTERNATIONAL CONFERENCE ON SYSTEM SIMULATION AND SCIENTIFIC COMPUTING ASIA SIMULATION CONFERENCE 2008, VOLS 1-3: 680-687 2008
Conference Title: Asia Simulation Conference/7th International Conference on System Simulation and Scientific Computing
Conference Date: OCT 10-12, 2008
Conference Location: Beijing, PEOPLES R CHINA
Abstract: Intelligent systems, such as intelligent car driving system or intelligent robot, require it stringent reliability while the systems are in operation. As system-on-chip (SoC) becomes prevalent In the intelligent system applications, the reliability issue of SoC is getting more attention in the design industry while the SoC fabrication enters the very deep submicron technology. In this study, we present a new approach of system bus fault injection in SystemC design platform, which can be used to assist us in performing the failure mode and effects analysis (FMEA) procedure during the SoC design phase. We demonstrate the feasibility of the proposed fault injection mechanism with an experimental ARM-based system.
ISBN: 978-1-4244-1786-5

Record 14 of 36
Author(s): Hecht, H (Hecht, Herbert)
Book Group Author(s): IEEE
Title: Verifying the Completeness of Test
Source: 2008 IEEE AUTOTESTCON, VOLS 1 AND 2: 59-64 2008
Book series title: IEEE Autotestcon
Conference Title: 43rd Annual IEEE AUTOTESTCON Conference
Conference Date: SEP 08-11, 2008
Conference Location: Salt Lake City, UT
Abstract: Testing of a software product can be claimed to be complete when these criteria have been satisfied: all elements that can fail must have been tested, and all test outcomes must be in agreement with the expected failure effects. This paper addresses how these criteria can be met with particular reference to critical software intensive systems such as aircraft or plant control systems.
ISSN: 1088-7725
ISBN: 978-1-4244-2225-8

Record 15 of 36
Author(s): Jiang, XY (Jiang, Xingyu); Yu, TB (Yu, Tianbiao); Zhang, QG (Zhang, Qinggui); Wang, WS (Wang, Wanshan)
Book Group Author(s): IEEE
Title: Product Quality Design Based on CSCW under Networked Manufacturing
Source: 2008 4TH INTERNATIONAL CONFERENCE ON WIRELESS COMMUNICATIONS, NETWORKING AND MOBILE COMPUTING, VOLS 1-31: 8076-8079 2008
Book series title: International Conference on Wireless Communications, Networking and Mobile Computing
Conference Title: 4th International Conference on Wireless Communications, Networking and Mobile Computing
Conference Date: OCT 12-17, 2008
Conference Location: Dalian, PEOPLES R CHINA
Abstract: To cope with the challenges of quality design system applied in the production mode of networked manufacturing enterprises, a new design mode of product quality is proposed, and a collaborative product quality design system is developed on computer-supported-collaborative work (CSCW) basis to adapt to not only a manufacturer but several collaborative ones. Each and every part, especially the support technologies for Implementing collaboration are analyzed and studied. Applying Java, JSP and JavaServlet to the system with the open VAW platforms used to enhance the communication function, improve working efficiency and shorten the development cycle so as to respond to the fluctuation of market demands as quick as possible. The quality function deployment (QFD) analysis of some automobile is introduced as an example to verifies that the system developed will meet efficiently the requirements of networked manufacturers.
ISBN: 978-1-4244-2107-7

Record 16 of 36
Author(s): Yang, LQ (Yang, Lvqing)
Book Group Author(s): IEEE
Title: OA Running Speed Analysis Based on 6 sigma
Source: 2008 4TH INTERNATIONAL CONFERENCE ON WIRELESS COMMUNICATIONS, NETWORKING AND MOBILE COMPUTING, VOLS 1-31: 12079-12082 2008
Book series title: International Conference on Wireless Communications, Networking and Mobile Computing
Conference Title: 4th International Conference on Wireless Communications, Networking and Mobile Computing
Conference Date: OCT 12-17, 2008
Conference Location: Dalian, PEOPLES R CHINA
Abstract: This paper analyzes the structure of OA which is based on B/S framework, and then measures the risk of key factors which affect the OA running speed by Fishbone Chart and FMEA Matrix. According to the size of the risk, we can find out the key points of managing and controlling OA speed, and suggest the measures to improve the efficiency of file-auditing electronically. IT project can be improved by the 6 sigma tools, of which we can expand the scope of application, and then put forward the new method to measure the risk in IT project, the method can be validated correctness and validity by the example in this paper.
ISBN: 978-1-4244-2107-7

Record 17 of 36
Author(s): Hu, AH (Hu, Allen H.); Hsu, CW (Hsu, Chia-Wei); Kuo, TC (Kuo, Tsai-Chi); Wu, WC (Wu, Wei-Cheng)
Title: Risk evaluation of green components to hazardous substance using FMEA and FAHP
Source: EXPERT SYSTEMS WITH APPLICATIONS, 36 (3): 7142-7147 Part 2 APR 2009
Abstract: This study utilized the failure modes and effects analysis (FMEA) to analyze the risks of green components in compliance with the European Union (EU) the Restriction of Hazardous Substance (RoHS) directive in the incoming quality control (IQC) stage, which is based on a case of an OEM/ODM electronic manufacturer in Taiwan. There are three indices of FMEA in this work: the occurrence (0) that can be learned from the testing report; the likelihood of being detected (D) that refers to the difficulty of detection: and severity (S) that can be quantified from the declaration statement and the frequency of green component used by project. The fuzzy analytic hierarchy process (FAHP) was applied to determine the relative weightings of four factors, then a green component risk priority number (GC-RPN) can be calculated for each one of the components, which are provided by the suppliers to identify and manage the risks that may be derived from them. Numerical results indicated that through the use of the proposed approach, the detected rate of the high risk green components can at least be improved to 20% while the CC-RPN is above 7, and the highest risk green components can be increased by 46.2% within the CC-RPN between 9 and 10. (C) 2008 Elsevier Ltd. All rights reserved.
ISSN: 0957-4174
DOI: 10.1016/j.eswa.2008.08.031

Record 18 of 36
Author(s): Azadeh, A (Azadeh, A.); Ebrahimipour, V (Ebrahimipour, V.); Bavar, P (Bavar, P.)
Editor(s): Xi, L
Title: A Pump FMEA Approach to Improve Reliability Centered Maintenance Procedure: The Case of Centrifugal Pumps in Onshore Industry
Source: RECENT ADVANCES IN FLUID MECHANICS: 38-45 2009
Book series title: WSEAS Mechanical Engineering Series
Conference Title: 6th WSEAS International Conference on Fluid Mechanics
Conference Date: JAN 10-12, 2009
Conference Location: Ningbo, PEOPLES R CHINA
Abstract: In the reliability centered maintenance (RCM) methodology, the reliability estimates of the system are used to provide a cost-effective & satisfactory maintenance schedule. In this paper, a new framework for improvement of the RCM procedure based on the failure mode and effect analysis (FMEA) is developed. In order to achieve the objective, first based on the OREDA handbook classification the critical failure modes of centrifugal pumps & causes of these failures are identified. Then through the FMEA, the interactive impacts of these failure causes on both hydraulic & mechanical operating parameters of the centrifugal pumps (e.g. flow rate, discharge pressure, vibration) are indicated in linguistic variables. Next, based on the obtained failure information, the linguistic rules for failure diagnosis are extracted, and moreover based on the failure analysis the maintenance intervals are determined. The ability of the proposed approach to identify and classify faults, which result in correct and timely diagnosis, will increase the reliability of the system by maximizing the equipment availability, and consequently the system performance is improved.
ISBN: 978-960-474-040-6

Record 19 of 36
Author(s): Kikukawa, S (Kikukawa, Shigeki); Mitsuhashi, H (Mitsuhashi, Hirotada); Miyake, A (Miyake, Atsumi)
Title: Risk assessment for liquid hydrogen fueling stations
Source: INTERNATIONAL JOURNAL OF HYDROGEN ENERGY, 34 (2): 1135-1141 JAN 2009
Abstract: In recent years, consumers calling for the protection of the environment on a regional and global scale are demanding the use of vehicles that do not emit harmful exhaust. It is anticipated that one response to this demand is the widespread use of fuel cell vehicles (FCVs). in order to achieve this, it is necessary to provide hydrogen fueling stations where FCVs can refuel.
A liquid hydrogen fueling station was selected for the purpose of this study as liquid hydrogen can be transported and stored in much larger quantities than compressed hydrogen gas. The facility of hydrogen fueling stations must be safe. In order to gauge the safety measures necessary for liquid hydrogen fueling stations we used a risk assessment approach. A large number of accident scenarios were identified using FMEA and HAZOP. The consequence level for each accident scenario was evaluated using data from liquid hydrogen explosion experiments. The size of the risk of the accident scenario was evaluated using a risk matrix and, in order to reduce that risk, a study was made into the necessary safety measures for liquid hydrogen fueling stations. As a result of this study, we were able to gauge the safety measures required to guarantee a high level of safety for liquid hydrogen fueling stations. (c) 2008 International Association for Hydrogen Energy. Published by Elsevier Ltd. All rights reserved.
ISSN: 0360-3199
DOI: 10.1016/j.ijhydene.2008.10.093

Record 20 of 36
Author(s): Rot, A (Rot, Artur)
Book Group Author(s): Int Assoc Engineers
Title: IT Risk Assessment: Quantitative and Qualitative Approach
Source: WCECS 2008: WORLD CONGRESS ON ENGINEERING AND COMPUTER SCIENCE: 1073-1078 2008
Book series title: Lecture Notes in Engineering and Computer Science
Conference Title: World Congress on Engineering and Computer Science (WCECS 2008)
Conference Date: OCT 11-24, 2008
Conference Location: San Francisco, CA
Abstract: IT risk management currently plays more and more important role in almost all aspects of contemporary organizations' functionality. It requires reliable and cyclical realization of its key task which is risk analysis. Literature of subject presents problems of risk analysis in different way, the most often skipped or selectively treated the problem of quantitative methods application for the purpose of risk analysis. The article presents the issue of one of the most significant stages of risk analysis which is IT risk assessment, especially focusing on chosen quantitative methods such as ALE (Annual Loss Eypected) method, Courtney method, Fisher's method, using survey research ISRAM model (Information Security Risk Analysis Method) and other derived ratios. There were also shortly presented chosen qualitative methods - FMEA (Failure Mode and Effects Analysis) and FMECA (Failure Mode and Effects Criticality Analysis), NIST SP 800-30 method and CRAMM methodology.
ISBN: 978-988-98671-0-2

Record 21 of 36
Author(s): Kim, HJ (Kim, H. J.); Bae, CH (Bae, C. H.); Kim, SH (Kim, S. H.); Lee, HY (Lee, H. Y.); Park, KJ (Park, K. J.); Suh, MW (Suh, M. W.)
Title: DEVELOPMENT OF A KNOWLEDGE-BASED HYBRID FAILURE DIAGNOSIS SYSTEM FOR URBAN TRANSIT
Source: INTERNATIONAL JOURNAL OF AUTOMOTIVE TECHNOLOGY, 10 (1): 123-129 FEB 2009
Abstract: Urban transit is a complex system that contains both electrical and mechanical entities; therefore, it is necessary to construct a maintenance system for ensuring safety during high-speed driving. Expert systems are computer programs that use numerical or non-numerical domain-specific knowledge to solve problems. This research aims to develop an expert system that diagnoses the causes of failures quickly and displays measures to correct them. For the development of this expert system, the standardization of a failure code classification and the creation of a Bill of Materials (BOM) were first performed. Through the analysis of both failure history and maintenance manuals, a knowledge base has been constructed. Also, for retrieving the procedure of failure diagnosis and repair linking with the knowledge base, we have built a Rule-Based Reasoning (RRB) engine with a pattern matching technique and a Case-Based Reasoning (CBR) engine with a similar search method. Finally, this system has been developed as web based in order to maximize accessibility.
ISSN: 1229-9138
DOI: 10.1007/s12239-008-0015-3

Record 22 of 36
Author(s): Karaulova, T (Karaulova, Tatyana); Preis, I (Preis, Irina); Pribytkova, M (Pribytkova, Marina)
Editor(s): Katalinc, B
Title: PROCESS ANALYSIS AND RELIABILITY EVALUATION
Source: ANNALS OF DAAAM FOR 2008 & PROCEEDINGS OF THE 19TH INTERNATIONAL DAAAM SYMPOSIUM - INTELLIGENT MANUFACTURING & AUTOMATION: FOCUS ON NEXT GENERATION OF INTELLIGENT SYSTEMS AND SOLUTIONS : 701-702 2008
Book series title: Annals of DAAAM and Proceedings
Conference Title: 19th International Symposium of the Danube-Adria-Association-for-Automation-and-Manufacturing
Conference Date: OCT 22-25, 2008
Conference Location: Trnava, SLOVAKIA
Abstract: Present paper introduces the reliability analysis of prototype production line process. The modelling method was used for process analysis considering complex dependences among various parts of the system. On the base of created IDEFO model the reliability evaluation of the process was completed by contemporary reliability analysis (RA) techniques such as FTA, FMEA, and RBD. As the reliability analysis has been performed, it was possible to determine major system problems and to assist in implementation of design changes and process improvements.
ISSN: 1726-9679
ISBN: 978-3-901509-68-1

Record 23 of 36
Author(s): Plehati, S (Plehati, Silvio); Pavlovic, T (Pavlovic, Tomislav); Bogovic, T (Bogovic, Tomislav); Pap, K (Pap, Klaudio)
Editor(s): Katalinc, B
Title: FMEA ANALYSIS OF XEIKON ELECTROPHOTOGRAPHICS
Source: ANNALS OF DAAAM FOR 2008 & PROCEEDINGS OF THE 19TH INTERNATIONAL DAAAM SYMPOSIUM - INTELLIGENT MANUFACTURING & AUTOMATION: FOCUS ON NEXT GENERATION OF INTELLIGENT SYSTEMS AND SOLUTIONS : 1083-1084 2008
Book series title: Annals of DAAAM and Proceedings
Conference Title: 19th International Symposium of the Danube-Adria-Association-for-Automation-and-Manufacturing
Conference Date: OCT 22-25, 2008
Conference Location: Trnava, SLOVAKIA
Abstract: By introducing FMEA analysis of Xeikon DCP32D electrophotographic printing model it is shown which components of the machine are weakest link in the printing. Each component is shown separately according to the modules and units of the machine, so that the critical component of each module can be read. Solution is in improving critical component and suggestion is to evaluate and validate this component using FMEA analysis.
ISSN: 1726-9679
ISBN: 978-3-901509-68-1

Record 24 of 36
Author(s): Alaa, H (Alaa, Hassan); Ali, S (Ali, Siadat); Jean-Yves, D (Jean-Yves, Dantan); Patrick, M (Patrick, Martin)
Book Group Author(s): IEEE
Title: A Quality Cost-based Improvement Approach for Conceptual Process Planning
Source: 2008 IEEE INTERNATIONAL CONFERENCE ON MANAGEMENT OF INNOVATION AND TECHNOLOGY, VOLS 1-3: 429-434 2008
Conference Title: IEEE International Conference on Management of Innovation and Technology
Conference Date: SEP 21-24, 2008
Conference Location: Bangkok, THAILAND
Abstract: This paper proposes an approach to develop a quality/cost-based conceptual process planning (QCCPP). This approach aims to determine key process resources with estimation of manufacturing cost taking into account the risk cost associated to process plan. Quality Function Deployment (QFD) method is used to select process alternatives. The results of QFD method have been taken as input to complete process Failure Mode and Effects Analysis (FMEA). To estimate manufacturing cost, the proposed approach deploys Activity-Based Costing (ABC) method. Then cost-based FMEA method is employed to estimate the cost of all risks associated to studied process plan. The output data gathered in this approach could be used as the guidelines for detailed process planning in order to improve product quatity/cost ratio.
ISBN: 978-1-4244-2329-3

Record 25 of 36
Author(s): Somsuk, N (Somsuk, Nisakorn); Pongpanich, P (Pongpanich, Pongtiwa)
Book Group Author(s): IEEE
Title: The Application of FMEA in Defect Reduction for the Spindle Motor Assembly Process for Hard Disk Drives
Source: 2008 IEEE INTERNATIONAL CONFERENCE ON MANAGEMENT OF INNOVATION AND TECHNOLOGY, VOLS 1-3: 704-709 2008
Conference Title: IEEE International Conference on Management of Innovation and Technology
Conference Date: SEP 21-24, 2008
Conference Location: Bangkok, THAILAND
Abstract: At the present time, Failure Mode and Effect Analysis (FMEA) technique is frequently used in manufacturing industry to deal with undesirable situations. These can occur throughout the various phases of the product life cycle. The objectives of this research are to analyze and identify potential problems in the spindle motor assembly process for 2.5-inch hard disk drives. The process often encounters the problem of hub flange height failure. The result of this research may reveal the failures within five steps of the focusing process. The Risk Priority Number (RPN) of each failure may now be calculated. As a result of this, the five highest RPNs may be selected in order to take corrective action. It could be concluded that, by applying the FMEA technique, all risks in the process have been pinpointed and all recommended corrective actions have been taken. As a final step, the process can be improved by a two-factor factorial experiment with the significant level at 0.05 in order to determine the optimum setup conditions. By implementing FMEA, the defective parts could be reduced from 6,294.36 DPPM to 3,788.27 DPPM.
ISBN: 978-1-4244-2329-3

Record 26 of 36
Author(s): Mili, A (Mili, Aymen); Bassetto, S (Bassetto, Samuel); Siadat, A (Siadat, Ali); Tollenaere, M (Tollenaere, Michel)
Title: Dynamic risk management unveil productivity improvements
Source: JOURNAL OF LOSS PREVENTION IN THE PROCESS INDUSTRIES, 22 (1): 25-34 JAN 2009
Abstract: Maintenance process and planning are at the heart of industrial occupations. Processes and equipments require controls and strategies to reduce costs and yield loss. Risk Based Maintenance (RBM) helps in reducing machinery failure rate and managing actions priorities. This paper proposes a method using FMECA as an operational tool which unveils productivity improvement areas. it demonstrates that it is possible to use FMECA method in a more dynamic environment, continuously updated by operational events. The article proposes a risk based maintenance method, which relies on the regular and automatic update of equipments risk analyses including equipment failure history. The method gives up-to-date information about equipments' risks. The article is structured in four parts. After a risk management domain literature overview, the paper presents a new risk based maintenance method. A case study in semiconductor industry shows that FMECA can be employed in a dynamic way for managing maintenance activities. The proposed model simplifies and makes more reliable risks identification and estimation. Results and a brief discussion conclude the article. (c) 2008 Elsevier Ltd. All rights reserved.
ISSN: 0950-4230
DOI: 10.1016/j.jlp.2008.07.011

Record 27 of 36
Author(s): Pinna, T (Pinna, T.); Caporali, R (Caporali, R.); Tesini, A (Tesini, A.)
Title: Failure Mode and Effect Analysis for remote handling transfer systems of ITER
Source: FUSION ENGINEERING AND DESIGN, 83 (10-12): 1710-1714 DEC 2008
Conference Title: 8th International Symposium on Fusion Nuclear Technology
Conference Date: SEP 30-OCT 05, 2007
Conference Location: Heidelberg, GERMANY
Abstract: A Failure Mode and Effect Analysis (FMEA) at component level was done to study safety-relevant implications arising from possible failures in performing remote handling (RH) operations at ITER facility [1].
Autonomous air cushion transporter, pallet, sealed casks and tractor movers needed for port plug mounting/dismantling operation were analysed. For each sub-system, the breakdown of significant components was outlined and, for each component, possible failure modes have been investigated pointing out possible causes, possible actions to prevent the causes. consequences and actions to prevent or mitigate consequences.
Off-normal events which may result in hazardous consequences to the public and the environment have been defined as Postulated Initiating Events (PIEs). Two safety-relevant PIEs have been defined by assessing elementary failures related to the analysed system. Each PIE has been discussed in order to qualitatively identify accident sequences arising from each of them.
As an output of this FMEA study, possible incidental scenarios, where the intervention of rescue RH equipments is required to overcome critical situations determined by fault of RH components, were defined as well. Being rescue scenarios of main concern for ITER remote handling activities, such families could be helpful in defining the design requirements of port handling systems in general and on RH transfer system in particular. Furthermore, they could be useful in defining casks and vehicles to be used for rescue activities. (C) 2008 Elsevier B.V. All rights reserved.
ISSN: 0920-3796
DOI: 10.1016/j.fusengdes.2008.06.049

Record 28 of 36
Author(s): Pinna, T (Pinna, T.); Boccaccini, LV (Boccaccini, L. V.); Salavy, JF (Salavy, J. F.)
Title: Failure mode and effect analysis for the European test blanket modules
Source: FUSION ENGINEERING AND DESIGN, 83 (10-12): 1733-1737 DEC 2008
Conference Title: 8th International Symposium on Fusion Nuclear Technology
Conference Date: SEP 30-OCT 05, 2007
Conference Location: Heidelberg, GERMANY
Abstract: A failure mode and effect analysis (FMEA) at component level was done to study possible safety relevant implications arising from failures in European test blanket modules (TBMs) for ITER: the helium cooled pebble bed (HCPB) and the helium cooled lithium lead (HCLL) TBMs.
The following sub-systems have been analysed by this study: TBM, TBM port Plug (PP), inter-space and Port Cell equipment, Helium Coolant System (HCS). Coolant Purification System (CPS), coolant pressure control system, PbLi ancillary system and tritium extraction system. The present study is focused on the modules that will operate in the last period of the high duty cycle D-T phase of ITER, the plant integration TBM (PI-TBM) for the HCPB and the integral TBM (IN-TBM) for the HCLL.
For both modules, six PIEs have been highlighted as the ones more relevant to be Studied with deterininistic assessments. (C) 2008 Elsevier B.V. All rights reserved.
ISSN: 0920-3796
DOI: 10.1016/j.fusengdes.2008.06.041

Record 29 of 36
Author(s): Tsuru, D (Tsuru, Daigo); Enoeda, M (Enoeda, Mikio); Akiba, M (Akiba, Masato)
Title: Recent progress in safety assessments of Japanese water-cooled solid breeder test blanket module
Source: FUSION ENGINEERING AND DESIGN, 83 (10-12): 1747-1752 DEC 2008
Conference Title: 8th International Symposium on Fusion Nuclear Technology
Conference Date: SEP 30-OCT 05, 2007
Conference Location: Heidelberg, GERMANY
Abstract: This paper presents summary of preliminary safety assessment of the water-cooled solid breeder (WCSB) test blanket module (TBM) proposed by Japan for the ITER TBM test program. For the purpose of basic evaluation of source terms oil nuclear heating and radioactivity generation, distribution of neutron flux, tritium breeding ratio, nuclear heating, decay heat and induced activity of radioactive waste are calculated. For the purpose of occupational radiological exposure evaluation, radiological isotope (RI) inventories. i.e., tritium in the breeder pebble bed, tritium ill purge gas, permeated tritium in cooling system and active corrosion product (ACP) in the cooling system, are estimated. Failure mode effect analysis (FMEA) has been carried out for identification of the postulated initiating events (PIEs) that need safety evaluation. The PIEs are Summarized into three groups, i.e., release of RI, pressurization and heatup. With respect to PIEs about release of RI, the maximum released RI is evaluated for three RI inventories. i.e., RI in vacuum vessel (VV) (tritium and radioactive dust), RI in purge gas (tritium) and RI in coolant (tritium and ACP). With respect to the PIEs about pressurization, the maximum pressures of the compartments nearby the pipes of cooling system are evaluated. (C) 2008 Elsevier B.V. All rights reserved.
ISSN: 0920-3796
DOI: 10.1016/j.fusengdes.2008.06.056

Record 30 of 36
Author(s): Krouwer, J (Krouwer, Jan S.)
Title: Six Sigma(A (R)) can be dangerous to your health
Source: ACCREDITATION AND QUALITY ASSURANCE, 14 (1): 49-52 JAN 2009
Abstract: Six Sigma(A (R)) is a popular quality program that has been applied to clinical laboratory assays. Sigma is calculated as (TEa - bias)/CV and these sigma numbers are often claimed as a sole measure of quality based on medical requirements. But these sigma calculations do not account for all results. An additional set of wider limits must be added, such that all data are accounted for. This gives a minimum of three zones: zone A, where 95% of the data should be; zone C, where there should be no data; and zone B, where 5% of the data is allowed. An additional problem is that sigma calculations are often based on valid analytical data, meaning that pre-analytical and post-analytical errors are excluded. Also, samples that are flagged by the system and produce no results are, of course, excluded, but delayed results can cause patient harm. A better measure of assay quality can be provided by a failure mode effects analysis (FMEA), which attempts to assess the probability of failure and its severity for every possible failure mode. In this paper, an example of what is entailed is described for two failure modes and the overall process is outlined. The amount of effort required for a full FMEA is beyond virtually any clinical laboratory. Some compromises are suggested. Calculating sigma values, which have little meaning about patient harm, is not recommended.
ISSN: 0949-1775
DOI: 10.1007/s00769-008-0449-8

Record 31 of 36
Author(s): Wang, YM (Wang, Ying-Ming); Chin, KS (Chin, Kwai-Sang); Poon, GKK (Poon, Gary Ka Kwai); Yang, JB (Yang, Jian-Bo)
Title: Risk evaluation in failure mode and effects analysis using fuzzy weighted geometric mean
Source: EXPERT SYSTEMS WITH APPLICATIONS, 36 (2): 1195-1207 Part 1 MAR 2009
Abstract: Failure mode and effects analysis (FMEA) has been extensively used for examining potential failures in products, processes, designs and services. An important issue of FMEA is the determination of risk priorities of the failure modes that have been identified. The traditional FMEA determines the risk priorities of failure modes using the so-called risk priority numbers (RPNs), which require the risk factors like the occurrence (O), severity (S) and detection (D) of each failure mode to be precisely evaluated. This may not be realistic in real applications. In this paper we treat the risk factors O, S and D as fuzzy variables and evaluate them using fuzzy linguistic terms and fuzzy ratings. As a result. fuzzy risk priority numbers (FRPNs) are proposed for prioritization of failure modes. The FRPNs are defined as fuzzy weighted geometric means of the fuzzy ratings for O, S and D, and can be computed using alpha-level sets and linear programming models. For ranking purpose. the FRPNs are defuzzified using centroid defuzzification method, in which it new centroid defuzzification formula based on alpha-level sets is derived. A numerical example is provided to illustrate the potential applications of the proposed fuzzy FMEA and the detailed computational process of the FRPNs. (C) 2007 Elsevier Ltd. All rights reserved.
ISSN: 0957-4174
DOI: 10.1016/j.eswa.2007.11.028

Record 32 of 36
Author(s): Chin, KS (Chin, Kwai-Sang); Wang, YM (Wang, Ying-Ming); Poon, GKK (Poon, Gary Ka Kwai); Yang, JB (Yang, Jian-Bo)
Title: Failure mode and effects analysis using a group-based evidential reasoning approach
Source: COMPUTERS & OPERATIONS RESEARCH, 36 (6): 1768-1779 JUN 2009
Abstract: Failure mode and effects analysis (FMEA) is a methodology to evaluate a system, design, process or service for possible ways in which failures (problems, errors, risks and concerns) can occur. It is a group decision function and cannot be done on an individual basis. The FMEA team often demonstrates different opinions and knowledge from one team member to another and produces different types of assessment information such as complete and incomplete. precise and imprecise and known and unknown because of its cross-functional and multidisciplinary nature. These different types of information are very difficult to incorporate into the FMEA by the traditional risk priority number (RPN) model and fuzzy rule-based approximate reasoning methodologies. In this paper we present an FMEA using the evidential reasoning (ER) approach, a newly developed methodology for multiple attribute decision analysis. The proposed FMEA is then illustrated with an application to a fishing vessel. As is illustrated by the numerical example, the proposed FMEA can well capture FMEA team members' diversity opinions and prioritize failure modes under different types of uncertainties. (C) 2008 Elsevier Ltd. All rights reserved.
ISSN: 0305-0548
DOI: 10.1016/j.cor.2008.05.002

Record 33 of 36
Author(s): Pickard, K (Pickard, K.); Dieter, A (Dieter, A.)
Title: Integrative Qualitative Quality Assurance and Reliability Prediction over the Complete Product Design Cycle
Source: QUALITY AND RELIABILITY ENGINEERING INTERNATIONAL, 24 (8): 903-910 Sp. Iss. SI DEC 2008
Abstract: In this paper the possibilities of a qualitative and systematic procedure for the selection of the most developable concept in early design stages and the transfer of the gained information into a failure mode and effects analysis are shown. Further, the possibility of deriving reasonable lifetime distributions from the FMEA assessment values for the description of the system behaviour is demonstrated. With this integrative qualitative approach new products can be accompanied with a procedure, which passes on all its information without any losses, over the complete product design cycle. Copyright (C) 2008 John Wiley & Sons, Ltd.
ISSN: 0748-8017
DOI: 10.1002/qre.970

Record 34 of 36
Author(s): Arvanitoyannis, IS (Arvanitoyannis, Ioannis S.); Varzakas, TH (Varzakas, Theodoros H.)
Title: Application of failure mode and effect analysis (FMEA) and cause and effect analysis for industrial processing of common octopus (Octopus vulgaris) - Part II
Source: INTERNATIONAL JOURNAL OF FOOD SCIENCE AND TECHNOLOGY, 44 (1): 79-92 JAN 2009
Abstract: Failure mode and effect analysis (FMEA) model was applied in conjunction with cause-and-effect analysis for the risk assessment of octopus processing (Octopus vulgaris). Critical control points were identified and implemented in the cause-and-effect diagram (also known as Ishikawa, tree diagram and fishbone diagram). The main emphasis was put on the quantification of risk assessment by determining the risk priority numbers (RPN) per identified processing hazard. Chemically contaminated product, decomposed raw materials, scombrotoxin presence in the final product, incorrectly labelled product, storage in cans (foreign matter) and defective products, were identified as those with the highest RPN (378, 294, 280, 252, 245 and 144 respectively) and corrective actions were undertaken. Following the application of corrective actions, a second calculation of RPN values was carried out, leading to considerably lower values (below the upper acceptable limit of 130). It is concluded that the incorporation of FMEA analysis within the ISO2200 system of an octopus-processing industry is imperative.
ISSN: 0950-5423
DOI: 10.1111/j.1365-2621.2007.01640.x

Record 35 of 36
Author(s): Arvanitoyannis, IS (Arvanitoyannis, Ioannis S.); Palaiokostas, C (Palaiokostas, Christos); Panagiotaki, P (Panagiotaki, Panagiota)
Title: A Comparative Presentation of Implementation of ISO 22000 Versus HACCP and FMEA in a Small Size Greek Factory Producing Smoked Trout: A Case Study
Source: CRITICAL REVIEWS IN FOOD SCIENCE AND NUTRITION, 49 (2): 176-201 2009
Abstract: ISO 22000 is the new standard bound to replace HACCP on issues related to food safety. Although several companies, especially the big ones, have either implemented or are on the point of implementing ISO 22000, there are many others which are rather timid and/or reluctant to implement it. The main reason behind that is the lack of information and the fear that the new standard is too demanding in terms of bureaucratic work. This paper aims at making a comparative presentation of how the two systems can be applied to a small smoked salmon producing company thereby facilitating the emergence of the differences. The main difference is that in ISO 22000 systems like Good Manufacturing Practice and Good Hygiene Practice are prerequisites thus leading to lower number of CCPs. In this case study for example, the number of CCPs dropped from eight (8) in HACCP to four (4) in ISO 22000. Furthermore, the Failure Mode and Effect Analysis was applied to the smoked trout manufacturing process in an attempt to calculate quantitatively the Risk Priority Number (RPN) and to find out whether it can be effectively correlated to ISO 22000 and/or HACCP. RPN was found to be higher than 130 for eight steps, in close agreement with HACCP, thereby indicating that corrective actions will have to be undertaken.
ISSN: 1040-8398
DOI: 10.1080/10408390701856058

 

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