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Relevant bibliographies by topics / Inspection and test plan

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Academic literature on the topic 'Inspection and test plan'

Author: Grafiati

Published: 4 June 2021

Last updated: 1 February 2022

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Journal articles on the topic "Inspection and test plan"

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Kaushik, Arun. "A Progressive Interval Type-I Censored Life Test Plan for Rayleigh Distribution." Austrian Journal of Statistics 48, no. 3 (January 26, 2019): 76–86. http://dx.doi.org/10.17713/ajs.v48i3.781.

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In this paper, we have considered the problem of optimal inspection times for the progressive interval type-I censoring scheme where uncertainty in the process is governed by the two-parameter Rayleigh distribution. Here, we also introduced some optimality criterion and determined the optimum inspection times, accordingly. The effect of the number of inspections and choice of optimally spaced inspection times based on the asymptotic relative efficiencies of the maximum likelihood estimates of the parameters are also investigated. Further, we have discussed the optimal progressive type-I interval censoring plan when the inspection times and the expected proportions of total failures in the experiment are under control.

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Jose, K. K., and Jeena Joseph. "Reliability Test Plan for the Gumbel-Uniform Distribution." Stochastics and Quality Control 33, no. 1 (June 1, 2018): 71–81. http://dx.doi.org/10.1515/eqc-2017-0011.

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Abstract Reliability sampling plans are used for determining the acceptability of any product. In this paper, reliability sampling plans for acceptance or rejection of a lot of products submitted for inspection are developed when the lifetimes follow the Gumbel-uniform distribution. The sampling plan proposed here can save the test time in practical situations. Some tables are also provided for the new sampling plans so that this method can be used conveniently by practitioners. Operating characteristic values and minimum ratios of the true value and the required value of the parameter with a given producers risk with respect to the newly developed sampling plans are also presented. The new test plan is applied to ordered failure times of software release to illustrate its use in industrial contexts.

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Liang, Ce, Jian Wei Yao, Ke Xin Zhang, and Ze Ping Zhao. "Railway Equipment Reliability Test Based on Weibull Distribution." Applied Mechanics and Materials 851 (August 2016): 340–45. http://dx.doi.org/10.4028/www.scientific.net/amm.851.340.

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This paper presents a new approach for reliability test sampling plan of Railway equipment. Based on the interval censored failure data, the mean rank order method is used for data pre-process and the least square method is used for fitting the parameters of Weibull distribution, where, the best estimations of distribution parameters are derived. The sampling inspection plan for interval censored data is established when the lifetime follows the Weibull distribution. In the case study, we applied the proposed method to design the reliability test sampling plan of an electric multiple units.

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Rui, Yang, Mou Ruifang, and Jiang Feng. "A High-Speed Train Operation Plan Inspection Simulation Model." Mathematical Problems in Engineering 2018 (2018): 1–14. http://dx.doi.org/10.1155/2018/9202986.

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We developed a train operation simulation tool to inspect a train operation plan. In applying an improved Petri Net, the train was regarded as a token, and the line and station were regarded as places, respectively, in accordance with the high-speed train operation characteristics and network function. Location change and running information transfer of the high-speed train were realized by customizing a variety of transitions. The model was built based on the concept of component combination, considering the random disturbance in the process of train running. The simulation framework can be generated quickly and the system operation can be completed according to the different test requirements and the required network data. We tested the simulation tool when used for the real-world Wuhan to Guangzhou high-speed line. The results showed that the proposed model can be developed, the simulation results basically coincide with the objective reality, and it can not only test the feasibility of the high-speed train operation plan, but also be used as a support model to develop the simulation platform with more capabilities.

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Tamirat, Yeneneh, Fu-Kwun Wang, and Yen-Chih Chen. "Sampling Schemes by Variables Inspection for the First-Order Autoregressive Model between Linear Profiles." Mathematical Problems in Engineering 2017 (2017): 1–11. http://dx.doi.org/10.1155/2017/3189412.

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We present four new sampling schemes by variables inspection to deal with the first-order autoregressive model between linear profiles. The first plan is based on exponentially weighted moving average (EWMA) and the rest of three plans are using the resubmitted sampling, repetitive group sampling (RGS), and multiple dependent state (MDS) sampling schemes. The nonlinear optimization problem is developed to find the number of profiles and the corresponding acceptance criteria, such that the producer’s and consumer’s risk are satisfied simultaneously. The efficiency of the proposed plans is compared with the conventional single sampling plan in terms of average sample number and the probability of acceptance. The result implies that all of the proposed sampling plans are superior to the single acceptance sampling plan by variables. In addition, the EWMA method appeared to be better than the others. The applications of proposed plans are shown with the help of industrial examples taken from calibration of an optical imaging system, and tire cornering stiffness test.

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Eskandari, Davood, Hossein Charkhand, and Abdollah Gholami. "A Semi-quantitative Approach Development for Risk-based Inspection in a Petrochemical Plant." Open Access Macedonian Journal of Medical Sciences 8, E (August 25, 2020): 425–33. http://dx.doi.org/10.3889/oamjms.2020.4391.

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BACKGROUND: Recently, oil and gas industries have focused on risk-based methods to specifically compile inspection, maintenance, and management strategies worldwide. AIM: The provided method in this study is a management tool to recognize and then prioritize the equipment’s risks and, consequently, propose an inspection plan based on these risks. In fact, it is a risk analysis aspect of an inspection plan for industrial equipment. MATERIALS AND METHODS: The study is performed on de-ethanizer unit, considering variety of process equipment including distillation tower, exchanger, pressure vessel, drum, and related piping. To initiate the study, first, the risk-based inspection (RBI) team formed, then all required data were gathered and 22 equipment were identified based on the method. RESULTS: After RBI be performed and risks are estimated, 13.6% of equipment rated on high risk, 63.63% rated on medium risk, and 22.72% rated on low-risk classification. Based on specific risk criteria for equipment, we determined new parameters as inspection level and type of inspection and finally integrated them. As one of the obtained results, the overhaul maintenance of the unit was postponed to a later time and for equipment that should inspect before this year, reduction risk strategy and advance none distractive test defined, and their inspection time also postpone to 2015 from 2012 to 2013. CONCLUSION: This decision results in saving a shutdown cost, inspection cost, reduction of failure, and increasing of equipment reliability factor. The result of this study will be helpful to assist similar industries improving their risk management plans.

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Huang, Ji Da, Li Yuan Wang, Long Zheng, and Wu Chen. "Combining Boolean Model with Improved PCA for Analyzing Purified Water Security." Advanced Materials Research 113-116 (June 2010): 1363–66. http://dx.doi.org/10.4028/www.scientific.net/amr.113-116.1363.

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According to the companies' purified water testing data, this paper established a product Boolean test model and used principal component analysis for analyzing security risk of purified water, and then based on probability theory, this paper set the distribution of testing batches to help the inspection department attaining the optimal sampling plan in the limited funding inspection.

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Appaia, Loganathan, Padmanaban Muthu Krishnan, and Sankaran Kalaiselvi. "Determination of Bayesian reliability sampling plans based on exponential-inverted gamma distribution." International Journal of Quality & Reliability Management 31, no. 8 (August 26, 2014): 950–62. http://dx.doi.org/10.1108/ijqrm-08-2013-0138.

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Purpose – The purpose of this paper is the determination of reliability sampling plans in the Bayesian approach assuming that the lifetime distribution is exponential. Design/methodology/approach – Sampling plans are used in manufacturing companies as a tool for carrying out sampling inspections, in order to make decisions about the disposition of many finished products. If the quality characteristic is considered as the lifetime of the products, the plan is known as a reliability sampling plan. In life testing, censoring schemes are adopted in order to save time and cost of life test. The inverted gamma distribution is employed as the natural conjugate prior to the average lifetime of the products. The sampling plans are developed assuming various probability distributions to the lifetime of the products. Findings – The optimum plans n and c are obtained for some sets of values of (p1, a, p2, ß). The selection of sampling plans is illustrated through numerical examples. Originality/value – Results obtained in this paper are original and the study has been done for the first time in this regard. Reliability sampling plans are essential for making decisions either to accept or reject based on the inspection of the sample.

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Jose, K. K., and Albin Paul. "Reliability Test Plans for Percentiles Based on the Harris Generalized Linear Exponential Distribution." Stochastics and Quality Control 33, no. 1 (June 1, 2018): 61–70. http://dx.doi.org/10.1515/eqc-2017-0025.

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Abstract In this paper, a generalization of the Harris family of distributions, namely, the Harris generalized linear exponential distribution is discussed. The use of the model is established by fitting it to a real data set. Also, we derive a reliability test plan for acceptance or rejection of a lot of products submitted for inspection with lifetimes following this distribution.

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Kim, Yong Sik, Seung Han Yang, Byung Sik Yoon, and Hee Jong Lee. "Comparison between Conventional and Performance Demonstration UT Method by Round Robin Test." Key Engineering Materials 321-323 (October 2006): 1754–57. http://dx.doi.org/10.4028/www.scientific.net/kem.321-323.1754.

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The results of ultrasonic testing performed during in-service inspection period for main components of nuclear power plant are affected by the performance of each inspector. To enhance the inspection reliability, the more restrictive qualification is required. KEPRI established Korean performance demonstration (KPD) system for the ultrasonic testing personnel, equipment and procedure which applied to the piping examination of nuclear power plant. A round robin test was conducted to evaluate the reliability of examination result by comparing conventional (DAC) UT and performance demonstration (PD) UT method. Participants took detection/length sizing test and depth sizing test using DAC method and PD method. The results showed that the PD method was preciser and more accurate than the conventional DAC method in length and depth sizing regardless of field experience and PD qualification status.

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Dissertations / Theses on the topic "Inspection and test plan"

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Kenger, Patrik. "Module property verification : A method to plan and perform quality verifications in modular architectures." Doctoral thesis, Stockholm, 2006. http://urn.kb.se/resolve?urn=urn:nbn:se:kth:diva-3965.

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Baradi, Divyank. "Control strategies and inspection methods for welded part." Thesis, Karlstads universitet, Avdelningen för maskin- och materialteknik, 2013. http://urn.kb.se/resolve?urn=urn:nbn:se:kau:diva-16383.

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Present and future demonstrator designs were used to demonstrate the quality assurance of welds. The NDT methods tested on prototype demonstrator parts are: visual inspection, radius gauges, throat size gauge, liquid-penetrant testing, magnetic particle testing and ultrasonics with pulse echo and phased array. The other methods like eddy current, time of flight diffraction, radiography, impression test, macro test and infrared thermographs are currently being analyzed along with their inspection costs. The control plans for present and future designs with corresponding present and future NDT methods are suggested to minimize a shift in process. Magnetic particle testing revealed a lack of fusion and cracks for fillet welds, whereas ultrasonic pulse echo and phased array identified an internal lack of fusion, inner pores/slag inclusions on butt welds. Ultrasonic PAUT & TOFD could be used for accurate defect identification and thermography for online identification of lack of penetration, depth of penetration and weld parameters.
Weight reduction by improved weld quality (WIQ)

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Kašpar, Radek. "Stavebně technologický projekt oční kliniky." Master's thesis, Vysoké učení technické v Brně. Fakulta stavební, 2017. http://www.nusl.cz/ntk/nusl-265452.

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Diploma thesis with construction technological project Eye Clinic. Contents of construction technological project are project engineering report, study of realization of main technological stages, engineering report of site equipment, technological regulation scaffolding and technological regulation insulation, inspection and test plan

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Krasnovský, Jiří. "Návštěvnické centrum Mikulčice - stavebně technologický projekt." Master's thesis, Vysoké učení technické v Brně. Fakulta stavební, 2016. http://www.nusl.cz/ntk/nusl-240418.

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The subject of this diploma thesis is the construction technological project of visitor center in Mikulčice. This thesis contains a technical report, project of site equipment with technical report, time and financial plan of the building, study for the realization of major technology stages, design of assembly machines, budget of object, technological specification of steel structure and COR-TEN cladding with inspection and test plans.

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Bartošová, Zlata. "Stavebně technologický projekt pro Domov seniorů." Master's thesis, Vysoké učení technické v Brně. Fakulta stavební, 2012. http://www.nusl.cz/ntk/nusl-225382.

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This thesis deals with the technological solution building construction project seniors home in Prague. Contains a technical report, technical regulations for monolithic and brick structures, which are documented inspection and test plans, as well as time and financial plans and project construction site.

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Bajerová, Marie. "Stavebně technologický projekt hotelu Chopin v Bratislavě." Master's thesis, Vysoké učení technické v Brně. Fakulta stavební, 2018. http://www.nusl.cz/ntk/nusl-371866.

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This final thesis is focused on technological project Hotel Chopin in Bratislava. The technological project deals with the planning of the entire construction and focuses on the design of the site equipment, time plan of the building development and the detailed time plan of the building structure. Further focuses on the construction cast-in-place reinforced concrete structures. It prepares the technological prescription for cast-in place reinforced structures, inspection and test plan and the plan of safety risks and measures. Part of the project is also the construction budget and the mechanical assembly plan.

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Cahlík, Jakub. "Polyfunkční dům v Šumperku. Stavebně technologická příprava stavby." Master's thesis, Vysoké učení technické v Brně. Fakulta stavební, 2015. http://www.nusl.cz/ntk/nusl-227731.

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The subject of the thesis is the construction and technological preparation of construction multifunctional building in Šumperk. The work includes a study of the implementation of all major phases of construction technology, building equipment, time and financial plan, design of the main building mechanisms, the timetable for the main building, technical regulations, inspection and test quality plan, schedule of occupational health and safety risks with the plan and selected structural details.

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Ševčík, Tomáš. "Stavebně technologický projekt integrovaného výjezdového centra Ostrava Dubina." Master's thesis, Vysoké učení technické v Brně. Fakulta stavební, 2016. http://www.nusl.cz/ntk/nusl-240115.

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This diploma thesis deals with construction-technological project of integrated emergency dispatch centre in Ostrava Dubina. In this work I especially deal with dispatch centre. Work included planning study of realization of the main technical stages, technological prescription for precast concrete frame, construction site equipment, time and financial construction plan.

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Brym, Jan Václav. "Administrativní budova firmy Esko-T v Třebíči - stavebně technologický projekt." Master's thesis, Vysoké učení technické v Brně. Fakulta stavební, 2015. http://www.nusl.cz/ntk/nusl-227798.

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The subject of this thesis is building and technological project of new office building of the company Esko-T in Trebic. This work technological prescription monolithic frame, inspection and test plans, design mechanical assembly with the deployment of the machines on site, photographs wider transport links nearby buildings, Occupational safety and health, environmental protection, design cell site equipment, contract work, documentation broader transport relations, building equipment, store site cells at the site, the crane card, schedule deployment of machine-schedule construction site, object work schedule, balance and repair workers drawing project documentation, itemized construction budget, energy consumption on site and price compared monolithic and prefabricated skeleton.

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Černý, Jaroslav. "Management kvality stavebního díla." Master's thesis, Vysoké učení technické v Brně. Fakulta stavební, 2018. http://www.nusl.cz/ntk/nusl-371814.

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Master thesis describes the basic concepts and principles of planning of the quality of the contruction project. The theoretical part describes the general quality management and quality management in the construction company. In the practical part is created an inspection and test plan for construction of the family house Skalice.

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Books on the topic "Inspection and test plan"

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Hartlepool. Borough Council. Hartlepool Education Authority. Post-inspection action plan. Hartlepool: Hartlepool Borough Council, Hartlepool Education Authority, 2001.

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Crane, Dale. Inspection authorization test prep: Test preparation and study references for the FAA inspection authorization knowledge test. 2nd ed. Newcastle, Wash: Aviation Supplies & Academics, 1998.

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Inspection authorization test prep: Test preparation and study references for the FAA Inspection Authorization Knowledge Test. 2nd ed. Newcastle, Wash: Aviation Supplies & Academics, 1998.

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Leeds, Leeds (England) Education. Inspection action plan: November 2002. Leeds: Leeds City Council, 2002.

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Ofsted. Corporate plan: Improvement through inspection. [London]: Ofsted., 1993.

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Thrapp, Mike C. Fire plan review and inspection guidelines. Country Club Hills, Ill: International Code Council, 2008.

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Thrapp, Mike C. Fire plan review and inspection guidelines. Country Club Hills, Ill: International Code Council, 2008.

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Thrapp, Mike C. Fire plan review and inspection guidelines. Country Club Hills, Ill: International Code Council, 2008.

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Thrapp, Mike C. Fire plan review and inspection guidelines. Country Club Hills, Ill: International Code Council, 2008.

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Carson, Wayne G. Fire protection systems: Inspection, test & maintenance manual. 3rd ed. Quincy, Mass: National Fire Protection Association, 2000.

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Book chapters on the topic "Inspection and test plan"

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Quigley, Jon M., and Kim L. Robertson. "Test, Inspection, and Evaluation Master Plan Organized." In Configuration Management, 343–52. Second edition. | Boca Raton : Taylor & Francis, a CRC title, part of the Taylor & Francis imprint, a member of the Taylor & Francis Group, the academic division of T&F Informa, plc, 2019.: Auerbach Publications, 2019. http://dx.doi.org/10.1201/9780429318337-12.

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Liming, James K., Wee Tee Loh, Wade M. Lardner, Allen C. Moldenhauer, and C. Richard Grantom. "Risk-Based Improvement of Nuclear Power Plant Inservice Test and Inspection Programs." In Probabilistic Safety Assessment and Management ’96, 697–702. London: Springer London, 1996. http://dx.doi.org/10.1007/978-1-4471-3409-1_111.

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Weik, Martin H. "test plan." In Computer Science and Communications Dictionary, 1771. Boston, MA: Springer US, 2000. http://dx.doi.org/10.1007/1-4020-0613-6_19441.

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Livesey, Andrew. "Inspection, test, and rebuild." In Motorcycle Engineering, 299–324. Abingdon, Oxon ; New York, NY : Routledge, 2021.: Routledge, 2021. http://dx.doi.org/10.1201/9780367816858-18.

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Aslam, Muhammad, and Mir Masoom Ali. "Acceptance Sampling from Truncated Life Tests." In Testing and Inspection Using Acceptance Sampling Plans, 19–39. Singapore: Springer Singapore, 2019. http://dx.doi.org/10.1007/978-981-13-9306-8_3.

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Matam, Sai, and Jagdeep Jain. "JMeter Test Plan Components." In Pro Apache JMeter, 35–165. Berkeley, CA: Apress, 2017. http://dx.doi.org/10.1007/978-1-4842-2961-3_5.

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Aslam, Muhammad, and Mir Masoom Ali. "Acceptance Sampling Based on Life Tests from Some Specific Distributions." In Testing and Inspection Using Acceptance Sampling Plans, 41–90. Singapore: Springer Singapore, 2019. http://dx.doi.org/10.1007/978-981-13-9306-8_4.

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Aslam, Muhammad, and Mir Masoom Ali. "Some Group Acceptance Sampling Based on Life Tests from Some Specific Distributions." In Testing and Inspection Using Acceptance Sampling Plans, 91–171. Singapore: Springer Singapore, 2019. http://dx.doi.org/10.1007/978-981-13-9306-8_5.

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Läikkö-Roto, Tiina. "Official Control: D. Control Plan." In Meat Inspection and Control in the Slaughterhouse, 568–74. Chichester, UK: John Wiley & Sons, Ltd, 2014. http://dx.doi.org/10.1002/9781118525821.ch24d.

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Aslam, Muhammad, and Mir Masoom Ali. "Sampling Plan for Big Data." In Testing and Inspection Using Acceptance Sampling Plans, 231–37. Singapore: Springer Singapore, 2019. http://dx.doi.org/10.1007/978-981-13-9306-8_8.

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Conference papers on the topic "Inspection and test plan"

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Rodrigues, Nelson, Paulo Leitao, Matthias Foehr, Claudio Turrin, Arnaldo Pagani, and Roberto Decesari. "Adaptation of functional inspection test plan in a production line using a multi-agent system." In 2013 IEEE 22nd International Symposium on Industrial Electronics (ISIE). IEEE, 2013. http://dx.doi.org/10.1109/isie.2013.6563786.

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Ando, Masato, Shigenobu Kubo, Yoshio Kamishima, and Toru Iitsuka. "Study on In-Service Inspection Program and Inspection Technologies for Commercialized Sodium-Cooled Fast Reactor." In 14th International Conference on Nuclear Engineering. ASMEDC, 2006. http://dx.doi.org/10.1115/icone14-89558.

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The objective of in-service inspection of a nuclear power plant is to confirm integrity of function of components necessary to safety, and satisfy the needs to protect plant investment and to achieve high plant ability. The sodium-cooled fast reactor, which is designed in the feasibility study on commercialized fast reactor cycle systems in Japan, has two characteristics related to in-service inspection. The first is that all sodium coolant boundary structures have double-wall system. Continuous monitoring of the sodium coolant boundary structures are adopted for inspection. The second characteristic is the steam generator with double-wall-tubes. Volumetric testing is adopted to make sure that one of the tubes can maintain the boundary function in case of the other tube failure. A rational in-service inspection concept was developed taking these features into account. The inspection technologies were developed to implement in-service inspection plan. The under-sodium viewing system consisted of multi ultrasonic scanning transducers, which was used for imaging under-sodium structures. The under-sodium viewing system was mounted on the under-sodium vehicle and delivered to core internals. The prototype of under-sodium viewing system and vehicle were fabricated and performance tests were carried out under water. The laboratory experiments of volumetric testing for double-wall-tubes of steam generator, such as ultrasonic testing and remote-field eddy current testing, were performed and technical feasibility was assessed.

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Chien, Chi-Hui, Chun-Hung Chen, and Yih-Shen Lin. "A Management Study of Pressure Relief Valves." In ASME 2007 Pressure Vessels and Piping Conference. ASMEDC, 2007. http://dx.doi.org/10.1115/pvp2007-26226.

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As a safety concern, pressure relief valves play important roles in protecting a pressure vessel or pressurized system. The conditions of the pressure relief valves deteriorate day after day which depend on the operating conditions of process train such as variation of pressure and temperature, containment and frequency of relieving during operation. If the deteriorative relief valves failure to operate normally as required, a catastrophic event may occur while no other protective means provided. So, to prepare a plan of inspection and maintenance with suitable intervals based on the knowledge of the relations between the conditions of pressure relief valves and plant operation parameters, is a safety strategy to plant owner. With practical inspection and maintenance works of pressure relief valves performed in a process train, this paper collects the as-received pressure relief valves test results from current inspection intervals and presents the relationships between as-received test data and operation parameters based on analysis of variation (ANOVA) and analysis of correlation. With these analyses, one can get the relationships between the decay conditions of the pressure relieve valves and their operating parameters. A site survey of as-received test results will be used as a case study and the weighting factors corresponding to the operation parameters are also presented.

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Glass, S. W., and R. F. Cole. "Inspection and Repair Technology for BMI Penetrations." In 12th International Conference on Nuclear Engineering. ASMEDC, 2004. http://dx.doi.org/10.1115/icone12-49478.

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Historically, United States (US) nuclear power plant inspections of the reactor vessel bottom-mounted-instrument (BMI) penetrations have been limited to visual verification via a combination of walk-downs and pressure tests. However in France, more than 18 UT and weld-surface VT campaigns had been performed to inspect the BMI penetration nozzles and welds since 1992 with no observed failures through 2002. In April 2003, South Texas Project Unit 1 discovered apparent leakage from two nozzles during a bare-metal examination. Based on the French inspection experience, Framatome ANP was selected for inspection and repair services to address the leaking nozzles. Inspection activities included ultrasonic examination (UT) of the tube, enhanced visual test (VT) and eddy current testing (ECT) of the J-groove weld, bobbin ECT and profilometry of the tube ID, helium leak test, phased-array UT, borescopic VT, and boat-sample removal with destructive metallurgical analysis. Repair activities included sealing the top portion of the penetration, cutting out the old nozzles, and welding in new nozzles. This presentation discusses BMI inspection and repair technology focused particularly on the South Texas Project experience.

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Sasaki, Michiya, Haruyuki Ogino, Takeshi Ichiji, and Takatoshi Hattori. "Verification Test of Clearance Automatic Laser Inspection System for Surface Contamination Measurement." In ASME 2009 12th International Conference on Environmental Remediation and Radioactive Waste Management. ASMEDC, 2009. http://dx.doi.org/10.1115/icem2009-16109.

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Recently, a clearance automatic laser inspection system (CLALIS) has been developed for clearance measurement of scrap metals and concrete debris. It utilizes three-dimensional laser scanning, gamma-ray measurement and Monte Carlo calculation, and its outstanding detection ability has been verified. In Japan, when an object is removed from a radiation-controlled area, the activity level must be lower than the surface contamination density standard of 4 Bq/cm2 for beta and gamma emitters, which is one-tenth of the surface contamination density limit. According to the clearance inspection report published by the Nuclear Safety Commission of Japan, the activity level of waste must be compared with not only the clearance level but also the surface contamination density standard for clearance inspection. To demonstrate that CLALIS can also be used for the measurement of surface contamination, a verification test was carried out using actual metal waste samples of various shapes, sizes and activity levels at Kashiwazaki-Kariwa Nuclear Power Station of Tokyo Electric Power Company. As a result, it was clarified that CLALIS gives a conservative value for surface contamination compared with the conventional GM survey meter measurement. This because the activities of metal waste samples were estimated using the total count rate, a fixed average surface area of 100 cm2 and the conservative source position assumed in the Monte Carlo calculation for the calibration factor. In a nuclear power plant, the actual judgment of whether an object can removed from a radiation-controlled area is based on whether the result of surface contamination measurement is lower than the detection limit, which is significantly lower than 4 Bq/cm2. According to this criterion, CLALIS provides an almost identical judgment to the GM survey meter, which means that CLALIS can be used as a rational clearance monitor to carry out clearance level and surface contamination inspections in a single radiation measurement. The prospective detection limit for CLALIS at nuclear power plants is also discussed and compared with that for the conventional surface contamination monitors.

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Serio, Bruno, Jean-Jacques Hunsinger, and Ye Zhy. "Optical flow tracking of the intensity barycenter position in a frame sequence recorded during a tensile test to establish the XY-plane deformation map of a flat 3D printed sample." In Optical Measurement Systems for Industrial Inspection XII, edited by Peter Lehmann, Wolfgang Osten, and Armando Albertazzi Gonçalves. SPIE, 2021. http://dx.doi.org/10.1117/12.2592438.

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Sakuma, Tomohide, Kazuo Kitamura, Hiroki Okamoto, Tadashi Nakao, and Hiroshi Watanabe. "Modernization Project of Ikata Unit 1/2 Main Control Room Using Full Digital Control Board." In 17th International Conference on Nuclear Engineering. ASMEDC, 2009. http://dx.doi.org/10.1115/icone17-75278.

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The Mitsubishi Group and Japanese PWR utilities have been engaged in a continual process of main control board design improvement. Advanced main control boards with fully digital instrumentation and touch operation technology have been adopted in newly constructed plants. Moreover, instrumentation and control systems have been fully digitalized and applied not only to non-safety systems but to safety systems as well. Such a system in general is referred to as a fully digital system. From this time forward, the application of this fully digital system will become mainstream with the modernization of existing plants. Yet, unlike newly constructed plants, restrictions unique to existing plants will need to be taken into consideration. In the construction of Ikata Units 1 and 2 of Shikoku electric power co., measures such as those described below were implemented so as to achieve standardization with future construction in mind: (1) A thorough interface check was conducted to ensure compatibility with sections outside the scope of modernization. Additionally, to minimize the affect modernization had on the operating system, the system was verified by operators and verification results were reflected in the board layout, system specifications, and the like. (2) Due to limited space for board installation, a plan was devised for housing a processor and determining the remote input/output board location. (3) Onsite tests was minimized in order to complete construction within a short period of time, i.e., within the regularly scheduled inspection period, and the degree of completion of the product was enhanced prior to shipment by a full combination test conducted at the plant. In addition, the local construction period was shortened by devising a plan for installing the board and conducting interface tests during the previous regularly scheduled inspection and the current regularly scheduled inspection.

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Parsibenehkohal, Nima, Arash Ilbagi, Alex Tatarov, and Frank Gareau. "Integrity Validation of Small Diameter-Thin Wall Pipeline Susceptible to Cracking or Crack-Like Indications: A Case Study." In 2020 13th International Pipeline Conference. American Society of Mechanical Engineers, 2020. http://dx.doi.org/10.1115/ipc2020-9503.

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Abstract The integrity validation of small diameter, thin wall pipelines can be challenging. In-line inspection tool limitations for diameters below approximately 4.5-inch contribute significantly to this challenge. This paper will describe experiences related to the successful integrity validation of a 3-inch vintage high vapour pressure (propane) pipeline which was susceptible to external cracking as well as crack-like indications at the seam weld (e.g. hook cracks and lack of fusion). This line pipe was manufactured in 1967 with a low frequency electric resistance welding (ERW) process. The major threat was identified to be external corrosion since external metal loss up to 70% of the wall thickness was reported by in-line inspection (ILI). The cut-out samples obtained from integrity digs following the ILI were examined by magnetic particle inspection methods. Some external features on these cut-out samples were reported as cracks. The pipeline licensee involved Skystone to complete an engineering assessment and provide a short-term and long-term integrity plan to validate the integrity of the pipeline for continued service. The cut-out samples were re-examined. This examination included cross-sectional metallography of the area suspected to contain crack-like indications. No external cracking was identified; however, crack-like indications such as lack of fusion were found on the ERW seam. A pressure-spike test was designed as an integrity validation technique and completed successfully. This paper reviews the difference between the pressure-spike test and conventional pressure tests, the technical basis for the pressure-spike test, its limitations, and practical considerations that need to be considered. The regulatory recognition of spike testing as well as available recommended practices that refer to this approach will be discussed. A long-term integrity plan was developed by establishing an interval for the next pressure-spike test using fatigue life estimation.

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Kichev, Emil, Ivan Ivanov, Kaliopa Mancheva, Yasen Petrov, Vesselina Vladimirova, Gerald Andre, and Paul Stevenson. "Application of Risk-Informed Methods to Improve Plant Operation at Kozloduy Nuclear Power Plant." In 17th International Conference on Nuclear Engineering. ASMEDC, 2009. http://dx.doi.org/10.1115/icone17-75709.

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Refueling outages at the Kozloduy Nuclear Power Plant (KNPP) Units 5 and 6 are used to perform annual repairs and preventive maintenance activities, piping inspections, and test activities. A refueling outage at KNPP typically requires 60 days and occurs on an annual basis. Testing of safety systems at the KNPP Units 5 and 6 is an extensive exercise that results in multiple actuations of all components during each test and a relatively high number of component actuations each year. This results in equipment wear out issues that can lead to considerable component replacement and/or refurbishment. Numerous piping in-service inspections are conducted in locations where there has been no industry or plant-specific indications or failures, leading to unnecessary personnel exposure. KNPP is interested in using risk-informed (RI) approaches to reduce refueling outage length, piping inspections, testing, and exposure. KNPP is a four-loop Voda-Vodyanoi Energetichesky Reaktor (VVER) with a power level of 1000 MWe. Safety systems consist of three trains. The KNPP at-power probabilistic safety assessment (PSA) model includes internal and external events. It addresses the full range of events leading to core damage frequency (CDF) and includes a simplified level 2 model leading to large early release frequency (LERF). The RI approach, as defined in the U.S. Nuclear Regulatory Commission’s (NRC’s) risk-informed (RI) Regulatory Guides (RGs) 1.174, 1.177, and 1.178, was used in this program. The specific approach used for risk-informed in-service inspection (RI-ISI) is based on the Pressurized Water Reactor Owner’s Group methodology. The overall approach for each of the three applications used a multi-step process which included the following: identification of systems to address; identification of alternatives to current maintenance, inspection, and testing practices; a risk assessment of the proposed alternatives; an assessment of the impact of the changes on deterministic considerations; identification of monitoring requirements; and an assessment of the economic benefits. The RI-ISI program also considered the impact of the changes on personnel exposure. The overall approach made extensive use of data assessments, reliability methods, and risk assessments. The results demonstrated that the proposed changes in maintenance, in-service inspection, and testing programs have a small impact on risk, based on CDF and LERF. In addition, the proposed changes provide significant benefits in terms of reduced outage time, in-service inspections, testing requirements, and personnel exposure. The economic analysis demonstrated that changes to the maintenance program provide the largest benefit followed by the changes to the in-service inspection program and then the changes to the testing program.

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Guan, Weihe, Yuanhong Tao, Huayun Cheng, Chuanjin Ma, and Pengju Guo. "Present Status of Inspection Technology and Standards for Large-Sized In-Service Vertical Storage Tanks." In ASME 2011 Pressure Vessels and Piping Conference. ASMEDC, 2011. http://dx.doi.org/10.1115/pvp2011-57711.

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In order to assure reliable and safe operation of large-sized vertical storage tanks and find the hazardous defects during the operation, it is needed to regularly inspect and test the storage tanks. Current inspection technology for in-service storage tanks can be divided into online inspection technology and post-shutdown internal inspection technology. Online inspection technology mainly includes acoustic emission technique, guided ultrasonic wave technique, spot ultrasonic thickness measurement technique and ultrasonic thickness measurement technique using auto wall-climbing robot, etc., and post-shutdown internal inspection technology mainly includes magnetic flux leakage inspection technique, ultrasonic inspection technique, surface inspection technique and vacuum leak detection technique, etc. This paper introduces the inspection methods for large-sized vertical petroleum storage tanks adopted currently in China in order to judge the status of the storage tank according to the online inspection results, decide whether to cut down or extend post-shutdown internal inspection cycle or not and develop inspection and maintenance plan; and conduct post-shutdown internal inspection according to the cycle specified in the enterprise standard. This paper also introduces the development situation of codes for design, construction and erection, repair and retrofitting and inspection standards for large-sized vertical petroleum storage tanks.

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Reports on the topic "Inspection and test plan"

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STEGEN, G. E. Alternative methods for Inspection for Fuel Cleanliness Test Plan. Office of Scientific and Technical Information (OSTI), October 2002. http://dx.doi.org/10.2172/808365.

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Wachs, G. W. Fabrication, inspection, and test plan for the Advanced Test Reactor (ATR) Mixed-Oxide (MOX) fuel irradiation project. Office of Scientific and Technical Information (OSTI), November 1997. http://dx.doi.org/10.2172/565642.

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Wachs, G. W. Fabrication, Inspection, and Test Plan for the Advanced Test Reactor (ATR) High-Power Mixed-Oxide (MOX) Fuel Irradiation Project. Office of Scientific and Technical Information (OSTI), September 1998. http://dx.doi.org/10.2172/5293.

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Jensen, C. E. Inspection system performance test procedure. Office of Scientific and Technical Information (OSTI), January 1995. http://dx.doi.org/10.2172/10115161.

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Dwyer, Stephen F. Test plan :. Office of Scientific and Technical Information (OSTI), May 2013. http://dx.doi.org/10.2172/1089866.

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Levine, Robert S., and William Rinkinen. Test plan:. Gaithersburg, MD: National Institute of Standards and Technology, 1989. http://dx.doi.org/10.6028/nist.ir.89-4034.

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Wagenblast, G. R. ,. Westinghouse Hanford. Hanford site post NPH building inspection plan. Office of Scientific and Technical Information (OSTI), September 1996. http://dx.doi.org/10.2172/663117.

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Johns, B. R. Generator acceptance test and inspection report. Office of Scientific and Technical Information (OSTI), July 1997. http://dx.doi.org/10.2172/325391.

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Minichan, R. Deployment Plan for Small Roving Annulus Inspection Vehicle. Office of Scientific and Technical Information (OSTI), December 2002. http://dx.doi.org/10.2172/805613.

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Pfluger, D. C. Double-shell tank ultrasonic inspection plan. Revision 1. Office of Scientific and Technical Information (OSTI), September 1994. http://dx.doi.org/10.2172/10189595.

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