China
Africa
Explore chapters and articles related to this topic
Equipment Reliability
Published in Robert Doering, Yoshio Nishi, Handbook of Semiconductor Manufacturing Technology, 2017
A popular system named “Failure Reporting and Corrective Action System” (FRACAS) is used to manage this process. As shown in Figure 22.5, FRACAS is a closed-loop feedback communication channel to report, analyze, and remove failure causes.
Reliability testing and growth
Published in B.S. Dhillon, Reliability, Maintainability, and Safety for Engineers, 2020
These factors are testing; failure reporting, analysis, and corrective action system (FRACAS); and management. Testing provides opportunity for discovering deficiencies in areas such as design, manufacturing, procedures, and components. FRACAS is basically a process employed for determining failure root causes and recommending necessary corrective actions. Finally, management is concerned with making it happen, and some of the major management considerations concerning a reliability growth program are as follows: Reliability growth program's impact on schedule and cost.Determination of the reliability growth slot within the framework of the system/product development program.The level of the estimated initial reliability without reliability growth testing and its acceptability. Obviously, this information is related to how much of the system/product is new technology.A manager can use basically two approaches for evaluating the reliability growth process. Both of these approaches are described below [7, 14].Approach I. This approach monitors various process-related activities for ensuring that such activities are being conducted in a timely manner, and the effort and work quality are according to the program plan. Thus, this approach is activity oriented and is practiced for supplementing the assessments. Sometimes early in the program, it is relied upon totally. The main reason for this is the lack of adequate amount of objective data in the early program stages.Approach II. This approach uses assessment (i.e., quantitative evaluations of the current reliability status) based on data from the detection of failure sources; thus, it is a results-oriented approach. In order to evaluate reliability growth progress, a comparison between the planned and assessed values is carried out. Subsequently, the appropriate decisions are made.
Integrating Reliability in Systems Engineering Management
Published in Engineering Management Journal, 2019
Alberto Sols, Alejandro Salado
Ascó is one of the nuclear power plants (NPPs) in operation in Spain. The performance of the installed equipment is continuously monitored and assessed. An electronic board was the core element of a continuously operated radiation measurement equipment, of which 142 units were installed in different places in the NPP between 1998 and 2013. Reliability data of the boards were recorded to feed a Failure Reporting and Corrective Action System (FRACAS), which is a crucial input for the amending of the so-called Maintenance Rule (the maintenance plan). Two hundred and six boards had been used until 2015. NPP Ascó wished to estimate the expected life of those boards.