A Manufacturing Failure Mode Avoidance Framework for Aerospace Manufacturing

2013 ◽  
Author(s):  
J. Goodland ◽  
I. F. Campean ◽  
A. Caunce ◽  
J. L. Victory ◽  
M. L. Jupp
Keyword(s):  
Failure Mode ◽  
Automotive Industry ◽  
Process Analysis ◽  
Aircraft Manufacturing ◽  
Aerospace Manufacturing ◽  
Product Creation ◽  
High Level ◽  
Flow Of Information ◽  
Level Process

Enhancement in productivity and cost effectiveness of high value manufacturing requires a process based management strategy. This paper introduces a Manufacturing Failure Mode Avoidance (MFMA) framework based on 4 high level process steps and underpinned by a sequence of engineering and process analysis tools to support a structured function-based decomposition of complex manufacturing processes and a continuous flow of information towards the development of robust control plans. The approach draws from experience in the automotive industry, where Failure Mode Avoidance (FMA) has been strategically adopted to achieve a step change in the effectiveness of business and engineering processes associated with the product creation processes. The paper presents a case study of the deployment of the MFMA framework to an aircraft manufacturing process followed by a broader discussion of the strength of the approach and its generic applicability to complex high value manufacturing engineering.

scholarly journals Safety Verification for Autonomous Ships

2019 ◽  
Vol 273 ◽  
pp. 02002 ◽  
Author(s):  
Børge Rokseth ◽  
Odd Ivar Haugen ◽  
Ingrid Bouwer Utne
Keyword(s):  
Process Analysis ◽  
Computer Control ◽  
Test Cases ◽  
Safety Verification ◽  
Safety Requirements ◽  
System A ◽  
Study Test ◽  
Autonomous Ship ◽  
High Level

Autonomous and unmanned ships are approaching reality. One of several unsolved challenges related to these systems is how to perform safety verification. Although this challenge represents a many-faceted problem, which must be addressed at several levels, it seems likely that simulatorbased testing of high-level computer control systems will be an important technique. In the field of reliability verification and testing, design verification refers to the process of verifying that specified functions are satisfied over the life of a system. A basic requirement for any autonomous ship is that it has to be safe. In this paper, we propose to use the Systems-Theoretic Process Analysis (STPA) to (i) derive potential loss scenarios for autonomous ships and safety requirements to prevent them from occurring, and (ii) to develop a safety verification program, including test cases, intended to verify safety. Loss scenarios and associated safety requirements are derived using STPA. To derive a safety verification program, these unsafe scenarios and safety requirements are used to identify key variables, verification objectives, acceptance criteria and a set of suitable verification activities related to each scenario. The paper describes the proposed methodology and demonstrates it in a case study. Test cases for simulator-based testing and practical sea-trials are derived for autonomous ships. The case study shows that the proposed method is feasible as a way of generating a holistic safety verification program for autonomous ships.

scholarly journals A Case Study of Risk Management of Automotive Industry Projects Using RFMEA Method

2020 ◽  
Vol 4 (1) ◽  
pp. 42-50
Author(s):  
Leili Mirboroon ◽  
Hamideh Razavi
Keyword(s):  
Risk Management ◽  
Failure Mode ◽  
Automotive Industry ◽  
Quality Management System ◽  
Project Risk Management ◽  
Project Risk ◽  
Project Risks ◽  
Fmea Method ◽  
Definition Of

Considering the market need and customer attraction, automakers are always trying to define new projects and present products with new capabilities in the market. That is why a significant part of car companies’ development research is focused on the definition of new projects. Principally, project risk management in car companies is essential and thus given special attention. There are different theories and methods of project risk control. However, since there is complete awareness of FMEA-related issues (Failure Mode and Effects Analysis) in automotive companies due to the establishment of the quality management system, the project's risk analysis using FMEA method to control the risk of automotive industry projects is presented in this paper by a real example. For this purpose, FMEA indicators tables are designed and presented proportionally to project risk management. Results of this research show that using failure mode and effects analysis for project risk management ensures the detection of project's weaknesses and provides a practical model for identification and reduction of project risks.

scholarly journals Failure Mode and Effect Analysis in Automotive Industry: A Case Study

2019 ◽  
Vol 19 (2) ◽  
pp. 10-15
Author(s):  
L. Petrescu ◽  
E. Cazacu ◽  
Maria-Cătălina Petrescu
Keyword(s):  
Failure Mode ◽  
Automotive Industry ◽  
Failure Modes ◽  
Action Plan ◽  
Electronic Devices ◽  
Area Network ◽  
Risk Priority Number ◽  
Effect Analysis ◽  
Iso 26262

AbstractNowadays, Failure Mode and Effect Analysis (FMEA) is more present in any standard evaluation of a product or process. In automotive industry, the IEC 61508 Standard adapted the ISO 26262 restrictions for Electrical and Electronic Devices. Conducting an FMEA reduces the costs by focusing on preventing failures, improving safety and increasing customer satisfaction. This paper presents a case study of a FMEA on a CAN (Controller Area Network) Bus Harness considering the entire process from defining the scope and building the team, to the action plan that will reduce the Risk Priority Number below the acceptable risk value. Also, the brainstorming that identifies the possible failure modes is presented.

An Application of Failure Mode and Effect Analysis to Cylinder Head during Dismantle of Remanufacturing Process: A Case Study

2013 ◽  
Vol 845 ◽  
pp. 841-851 ◽  
Author(s):  
Mohd Yazid Abu ◽  
Khairur Rijal Jamaludin ◽  
Amiril Sahab Abdul Sani ◽  
Tajul Ariffin Abdullah ◽  
Dzuraidah Abdul Wahab
Keyword(s):  
Failure Mode ◽  
Automotive Industry ◽  
Real Life ◽  
Developed Countries ◽  
Risk Priority Number ◽  
Effect Analysis ◽  
Business Opportunity ◽  
Work Outcome ◽  
Industry Sectors

While the concept of remanufacturing is gaining in popularity, in practice the remanufacturing industry in Malaysia is still in its nascent stage, with approximately 32 fields in various industries claiming to be involved in the process. This is an indication for Malaysia to further develop the industry as competing developed countries already view remanufacturing as a huge business opportunity. The aim of this study is to identify and minimize the frequent failures occurring during the dismantling process. Ishikawa diagram is used to identify all possible causes of failures while the Failure Mode and Effect Analysis (FMEA) with two Risk Priority Number (RPNs), identifies the most significant failures. The case study is performed in an automotive industry as well as in a contract remanufacturing environment in Malaysia, specifically pertaining to the dismantling of cylinder heads. The work outcome of this project is expected to be the enhancement of the robustness of DfRem investigations among researchers in real life applications and to provide better solution to a wider variety of industry sectors in a developing country like Malaysia.

Work Life Balance Of Female Crew In The Aviation Industry: A Case Study

GIS Business ◽  
2019 ◽  
Vol 14 (6) ◽  
pp. 206-212
Author(s):  
Dr. D. Shoba ◽  
Dr. G. Suganthi
Keyword(s):  
Family Life ◽  
Work Life ◽  
Work Life Balance ◽  
Aviation Industry ◽  
Life Balance ◽  
International Airport ◽  
Work Pressure ◽  
Women Employees ◽  
High Level

Employees and employers are facing issues in work life balance. It has become a difficult domain now, because the work needs have increased due to an increase in work pressure and complexities in handling the technology. As there are drastic changes in the rules and regulations in the work scenario of the aviation industry, it makes work life balance of employees difficult and set more hurdles. Hence there are many distractions and imbalances in the life of women employees in the aviation industry working across all levels. This work pressure is creating high level of hurdles in maintaining a harmonious job and family life, especially for female aviation employees. Data is collected from 50 female crew members working at Cochin International Airport. The objective of this study is to analyze the work life balance of working females of Cochin International Airport and its influence on their personal and specialized lives. The result of the study shows that the management should frame certain policies which will help employees to have the balance among their personal and expert lives.

Case Study of Electro-Optical Probing Signal with High Signal-Noise Ratio

2019 ◽  
Author(s):  
Ryan Xiao ◽  
William Wang ◽  
Ang Li ◽  
Shengqiu Xu ◽  
Binghai Liu
Keyword(s):  
Failure Mode ◽  
High Signal ◽  
Signal Noise ◽  
Electrical Failure ◽  
Current Path ◽  
Probing Signal ◽  
Optical Probing ◽  
Noise Ratio ◽  
Case Collection

Abstract With the development of semiconductor technology and the increment quantity of metal layers in past few years, backside EFA (Electrical Failure Analysis) technology has become the dominant method. In this paper, abnormally high Signal Noise Ratio (SNR) signal captured by Electro-Optical Probing (EOP)/Laser Voltage Probing (LVP) from backside is shown and the cause of these phenomena are studied. Based on the real case collection, two kinds of failure mode are summarized, and simulated experiments are performed. The results indicate that when a current path from power to ground is formed, the high SNR signal can be captured at the transistor which was on this current path. It is helpful of this consequence for FA to identify the failure mode by high SNR signal.

Case Study and Fault Modeling for Wrong Redundancy Evaluation on DRAM Devices

2007 ◽  
Author(s):  
Martin Versen ◽  
Dorina Diaconescu ◽  
Jerome Touzel
Keyword(s):  
Failure Mode ◽  
Failure Modes ◽  
Fault Modeling ◽  
Mode Analysis ◽  
Root Cause ◽  
Failure Mode Analysis

Abstract The characterization of failure modes of DRAM is often straight forward if array related hard failures with specific addresses for localization are concerned. The paper presents a case study of a bitline oriented failure mode connected to a redundancy evaluation in the DRAM periphery. The failure mode analysis and fault modeling focus both on the root-cause and on the test aspects of the problem.

Methodology for Analysis of Schottky Diode Failures

2010 ◽  
Author(s):  
Bhanu P. Sood ◽  
Michael Pecht ◽  
John Miker ◽  
Tom Wanek
Keyword(s):  
Failure Mode ◽  
Schottky Diode ◽  
Failure Modes ◽  
Schottky Diodes ◽  
Failure Mechanisms ◽  
Forward Voltage ◽  
Fast Switching ◽  
Voltage Drops ◽  
The Common

Abstract Schottky diodes are semiconductor switching devices with low forward voltage drops and very fast switching speeds. This paper provides an overview of the common failure modes in Schottky diodes and corresponding failure mechanisms associated with each failure mode. Results of material level evaluation on diodes and packages as well as manufacturing and assembly processes are analyzed to identify a set of possible failure sites with associated failure modes, mechanisms, and causes. A case study is then presented to illustrate the application of a systematic FMMEA methodology to the analysis of a specific failure in a Schottky diode package.

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