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Journal articles on the topic 'Warranty function'

Author: Grafiati

Published: 28 May 2022

Last updated: 31 July 2025

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1

Peng, Tong, and Liu Chunling. "Designing differential service strategy for two-dimensional warranty based on warranty claim data under consumer-side modularisation." Proceedings of the Institution of Mechanical Engineers, Part O: Journal of Risk and Reliability 234, no. 3 (2019): 550–61. http://dx.doi.org/10.1177/1748006x19886162.

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With the development of modular manufacturing technology and diversified demand for products, the demand for differential warranty service has become increasingly prominent. This article proposes a differential service strategy for two-dimensional warranty using warranty claim data under consumer-side modularisation. In contrast to previous research that optimised maintenance strategies under a given failure density function, this article obtains actual usage rate and failure density functions of main failure types by determining the function type and parameter fitting. A detailed case study o

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2

Hu, Z. Y., and Li Yang Xie. "The Optimal Maintenance Period for Repairable Product after Warranty Expiration under Renewing Warranty." Advanced Materials Research 118-120 (June 2010): 860–65. http://dx.doi.org/10.4028/www.scientific.net/amr.118-120.860.

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A model of the optimal maintenance period for repairable product after warranty expiration under renewing warranty is proposed. In the process to fulfilling warranty, the failures of product within warranty period happen randomly, the replacements of products successively failed with warranty period form a renewing process. Given failure rate of product, the period of fulfilling warranty is function of warranty period. User purchasing a product is considered an investment; the period of fulfilling warranty and the maintenance period after warranty make up the life cycle of product investment.

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3

Frees, Edward W. "Warranty analysis and renewal function estimation." Naval Research Logistics Quarterly 33, no. 3 (1986): 361–72. http://dx.doi.org/10.1002/nav.3800330302.

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4

Lee, Sang-Hyun, Jong-Han Lim, and Kyung-Li Moon. "Approximation of Green Warranty Function by Radon Radial Basis Function Network." Journal of the Institute of Webcasting, Internet and Telecommunication 12, no. 3 (2012): 123–31. http://dx.doi.org/10.7236/jiwit.2012.12.3.123.

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5

Buczkowski, Peter S., and Vidyadhar G. Kulkarni. "FUNDING A WARRANTY RESERVE WITH CONTRIBUTIONS AFTER EACH SALE." Probability in the Engineering and Informational Sciences 20, no. 3 (2006): 497–515. http://dx.doi.org/10.1017/s026996480606030x.

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We consider funding an interest-bearing warranty reserve with contributions after each sale. The problem for the manufacturer is to determine the initial level of the reserve fund and the amount to be put in after each sale, so as to ensure that the reserve fund covers all of the warranty liabilities with a prespecified probability over a fixed period of time. We assume a nonhomogeneous Poisson sales process, random warranty periods, and a constant failure rate for items under warranty. We derive the mean and variance of the reserve level as a function of time and provide a robust heuristic to

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Arnold, Richard, Stefanka Chukova, Yu Hayakawa, and Sarah Marshall. "Warranty cost analysis with an alternating geometric process." Proceedings of the Institution of Mechanical Engineers, Part O: Journal of Risk and Reliability 233, no. 4 (2019): 698–715. http://dx.doi.org/10.1177/1748006x18820379.

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In this study, we model the warranty claims process and evaluate the warranty servicing costs under non-renewing, renewing and restricted renewing free repair warranties. We assume that the repair time for rectifying the claims is non-zero and the repair cost is a function of the length of the repair time. To accommodate the ageing of the product and repair equipment, we use a decreasing geometric process to model the consecutive operational times and an increasing geometric process to model the consecutive repair times. We identify and study the alternating geometric process, which is an alte

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Christozov, Dimitar, Stefanka Chukova, and Jeff Robinson. "Automotive warranty data: stratification approach for estimating the mean cumulative function." International Journal of Product Development 12, no. 3/4 (2010): 254. http://dx.doi.org/10.1504/ijpd.2010.036390.

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8

Ladany, Shaul P., and Haim Shore. "Profit Maximizing Warranty Period with Sales Expressed by a Demand Function." Quality and Reliability Engineering International 23, no. 3 (2007): 291–301. http://dx.doi.org/10.1002/qre.790.

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9

KAPUR, P. K., ADARSH ANAND, and NITIN SACHDEVA. "PROFIT ESTIMATION FOR A PRODUCT UNDER WARRANTY: AN EVALUATION BASED ON CUSTOMER'S EXPECTATION AND SATISFACTION." International Journal of Reliability, Quality and Safety Engineering 21, no. 06 (2014): 1450029. http://dx.doi.org/10.1142/s0218539314500296.

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Performance of a product not as expected by the customer brings warranty expenditure into the picture. In other words, the deviation of the product performance (PP) from the customer expectation (CE) is the reason for customer complaints and warranty expenses. When this conflicting scenario occurs in market, warranty comes into existence and fulfilling warranty claims of customers adds to product's overall cost. In this paper, based on the difference between PP and CE about the product we estimate profit for the firm. Furthermore, factors like fixed cost, production cost and inventory cost hav

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10

Nuha, Hilyatun, and Putu Eka Dewi Karunia Wati. "Money Back Warranty on Pricing in Dual Channel Supply Chain (Case Study : Garlick Store Surabaya)." International Journal of Innovation in Enterprise System 2, no. 01 (2018): 19–25. http://dx.doi.org/10.25124/ijies.v2i01.13.

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The development of internet brings great influence in business management, especially in supply chain. Transaction conducted through the internet in supply chain known e-fulfillment, is an integrated process from receiving customer order, managing transaction, warehousing, managing transportation, communicating, with customer using media of information technology. Online sales concept opens up the researchers to conduct research on online sales and offline sales simultaneously, known Dual Channel Supply Chain (DCSC). One category of products that are sold using this structure is fashion produc

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11

Samanta, Biswarup, and Bibhas Chandra Giri. "A two-echelon supply chain model with price and warranty dependent demand and pro-rata warranty policy under cost sharing contract." Decision Making: Applications in Management and Engineering 4, no. 2 (2021): 47–75. http://dx.doi.org/10.31181/dmame210402047s.

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In this article, a two-echelon supply chain model with a single-vendor a single-buyer is considered. The vendor's production process is imperfect and the market demand is assumed to be dependent on the buyer's selling price and warranty period. The vendor consents to return a definite portion of the buyer's purchase value, if any product is found defective within the length of warranty. The refund value or the warranty cost is considered as a function of the warranty period and the buyer's selling price of the item. This warranty cost is assumed to be fully borne by the vendor in the first mod

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Nuha, Hilyatun, and Putu Eka Dewi Karunia Wati. "Money Back Warranty on Pricing in Dual Channel Supply Chain (Case Study : Garlick Store Surabaya)." International Journal of Innovation in Enterprise System 1, no. 02 (2017): 19. http://dx.doi.org/10.25124/ijies.v1i02.43.

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The development of internet brings great influence in business management, especially in supply chain. Transaction conducted through the internet in supply chain known e-fulfillment, is an integrated process from receiving customer order, managing transaction, warehousing, managing transportation, communicating, with customer using media of information technology. Online sales concept opens up the researchers to conduct research on online sales and offline sales simultaneously, known Dual Channel Supply Chain (DCSC). One category of products that are sold using this structure is fashion produc

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13

Shang, Lijun, Baoliang Liu, Kaiye Gao, and Li Yang. "Random Warranty and Replacement Models Customizing from the Perspective of Heterogeneity." Mathematics 11, no. 15 (2023): 3330. http://dx.doi.org/10.3390/math11153330.

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Driven by the wide application of industrial software integrated with digital technologies, the real information of task cycles for some products in the real world can be monitored in real time and transmitted to the management center. Monitored task cycles hide consumers’ usage characteristics, which are signals of the products’ usage heterogeneity because they vary from one consumer to another consumer. By classifying monitored task cycles into different categories, this paper customizes two random maintenance models to ensure the life cycle reliability of the product with monitored task cyc

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14

Jenab, Kouroush, Hamid Pourmohammadi, and Matin Sarfaraz. "An i-AHP&QFD warranty model." Benchmarking: An International Journal 21, no. 6 (2014): 884–902. http://dx.doi.org/10.1108/bij-01-2013-0017.

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Purpose – The purpose of this paper is to present a new warranty model to improve warranty management. As a case study, the developed model has been applied on an industrial vehicle manufacturing company. The model is composed of quality function deployment (QFD) and interval-based analytical hierarchy process (i-AHP). The i-AHP is an extension of the concept of analytical hierarchy process (AHP) that takes the benefits of interval computations in order to mitigate the shortcomings of AHP and fuzzy AHP. Design/methodology/approach – Using a combination of i-AHP and QFD, the authors analyzed th

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15

Jung, Ki Mun. "Extended warranty policy when minimal repair cost is a function of failure time." Journal of the Korean Data and Information Science Society 23, no. 6 (2012): 1195–202. http://dx.doi.org/10.7465/jkdi.2012.23.6.1195.

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16

Shang, Lijun, Baoliang Liu, Li Yang, and Kaiye Gao. "Customizing Random Replacement Model and Flexible Warranty Model from the Perspective of Screening Reliability." Axioms 12, no. 4 (2023): 358. http://dx.doi.org/10.3390/axioms12040358.

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In the present academic and engineering fields, every measure function of product reliability is modeled and estimated from the statistical perspective. These indicate that there universally exist differences in the reliabilities of new identical products that survive the burn-in test. On the basis of the differences in the reliabilities of new identical products, designing through-life maintenance models for managing the different reliabilities is a very practical topic for engineering fields. In this study, a random warranty model and a random maintenance model are designed by screening prod

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17

Park, Minjae. "Determination of Optimal Warranty Period with Preventive Maintenance Actions for Items from Heterogeneous Populations." Mathematical Problems in Engineering 2020 (November 10, 2020): 1–12. http://dx.doi.org/10.1155/2020/3480959.

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In this study, we develop an optimal maintenance policy with replacement service and minimal repair service for items from heterogeneous populations and determine the optimal warranty length and repair time threshold. We consider the information-based repair-replacement policy model and develop the formula to evaluate the expected cost rate during the product life cycle. A general formulation is derived for the expected cost rate under a warranty policy for items of heterogeneous populations. When a replacement service and minimal repair service are provided for a failed item, then an item fro

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18

Park, Minjae, Ki Mun Jung, and Dong Ho Park. "Profit maximization and cost minimization considering total profit function, selling price, and warranty cost." IET Conference Proceedings 2024, no. 12 (2025): 1387–92. https://doi.org/10.1049/icp.2024.3669.

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19

Darghouth, M. N., Daoud Ait-Kadi, and Anis Chelbi. "Joint reliability based design and periodic preventive maintenance policy for systems sold with warranty." Journal of Quality in Maintenance Engineering 22, no. 1 (2016): 2–17. http://dx.doi.org/10.1108/jqme-12-2014-0060.

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Purpose – The authors consider a system which is a part of a complex equipment (e.g. aircraft, automobile, medical equipment, production machine, etc.), and which consists of N independent series subsystems. The purpose of this paper is to determine simultaneously the system design (reliability) and its preventive maintenance (PM) replacements periodicity which minimize the total average cost per time unit over the equipment useful life, taking into account a minimum required reliability level between consecutive replacements. Design/methodology/approach – The problem is tackled in the context

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20

Mi, Jie. "On bounds for some optimal policies in reliability." Journal of Applied Probability 39, no. 3 (2002): 491–502. http://dx.doi.org/10.1239/jap/1034082122.

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Often in the study of reliability and its applications, the goal is to maximize or minimize certain reliability characteristics or some cost functions. For example, burn-in is a procedure used to improve the quality of products before they are used in the field. A natural question which arises is how long the burn-in procedure should last in order to maximize the mean residual life or the conditional survival probability. In the literature, an upper bound for the optimal burn-in time is obtained by assuming that the underlying distribution of the products has a bathtub-shaped failure rate func

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21

Mi, Jie. "On bounds for some optimal policies in reliability." Journal of Applied Probability 39, no. 03 (2002): 491–502. http://dx.doi.org/10.1017/s0021900200021744.

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Often in the study of reliability and its applications, the goal is to maximize or minimize certain reliability characteristics or some cost functions. For example, burn-in is a procedure used to improve the quality of products before they are used in the field. A natural question which arises is how long the burn-in procedure should last in order to maximize the mean residual life or the conditional survival probability. In the literature, an upper bound for the optimal burn-in time is obtained by assuming that the underlying distribution of the products has a bathtub-shaped failure rate func

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22

Kapur, P. K., Vijay Kumar, and Avinash Kumar Shrivastava. "Strategic Price, Warranty and Profit Maximization Model of a Software Product Using Dynamic Optimization." International Journal of Reliability, Quality and Safety Engineering 23, no. 01 (2016): 1650002. http://dx.doi.org/10.1142/s0218539316500029.

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Technological advancements have affected each and every aspect of our day to day life. Over the last few decades our dependence on software products has increased immensely. At the same time, software technologies have been advancing at an electrifying pace to achieve new milestones. With this rapid development, competition between the developers is gaining new heights. In such a competitive business arena, customer satisfaction plays a vital role to decide on the survival of product in the market. So, it becomes essential for the firms to work on strategies of product portfolios to attract mo

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23

He, Shuguang, Zhaomin Zhang, Guohua Zhang, and Zhen He. "Two-dimensional base warranty design based on a new demand function considering heterogeneous usage rate." International Journal of Production Research 55, no. 23 (2017): 7058–72. http://dx.doi.org/10.1080/00207543.2017.1346837.

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24

wang, Liying, and Yushuang Song. "Optimization of Preventive Maintenance and Replacement Strategies for Nonrenewing Two-Dimensional Warranty Products Experiencing Degradation and External Shocks." Mathematical Problems in Engineering 2022 (February 16, 2022): 1–15. http://dx.doi.org/10.1155/2022/9524204.

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“Vehicle damage insurance” in China, “Protection Plus Mobile Elite” launched by Samsung, “iPhone Apple Care +” offered by Apple, and so on are special warranty services aiming at external shocks. These warranty terms, named accident insurance, exist widely in the marketplace. Considering the effect of external shocks on degradation, a two-dimensional preventive maintenance and replacement strategy for products, sold with a nonrenewing and two-dimensional rectangle warranty service, is proposed in this paper. Under this strategy, preventive maintenance actions are scheduled based on units of ag

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25

Darghouth, Mohamed N., and Anis Chelbi. "A decision model for warranted second-hand products considering upgrade level, past age, preventive maintenance and sales volume." Journal of Quality in Maintenance Engineering 24, no. 4 (2018): 544–58. http://dx.doi.org/10.1108/jqme-09-2017-0060.

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Purpose The purpose of this paper is to present a decision model for second-hand products to determine the optimal upgrade level, warranty period and preventive maintenance (PM) effort level which maximize the total expected profit generated by the dealer considering any given past age of the product and the effect of the sales volume. Design/methodology/approach A mathematical model is developed to derive the optimal triplet: upgrade level, warranty period and PM effort level, which maximize the total expected profit generated by the dealer for any second-hand product with a given past age. N

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26

Dong, Enzhi, Zhonghua Cheng, Rongcai Wang, and Shuai Yue. "Two-Dimensional Age Replacement Decision for Structural Dependence Parallel Systems via Intelligent Optimization Algorithm." Processes 10, no. 12 (2022): 2519. http://dx.doi.org/10.3390/pr10122519.

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From large-scale aerospace systems to household appliances and other systems in daily life, the application of parallel systems is involved. A parallel system is a typical structural dependence multi-component system, in addition to a series system and hybrid system. This paper takes a parallel system as the research object and minimizes the expected cost rate or maximizes the availability by determining the optimal two-dimensional age replacement interval. The structural dependence of the components is described by the copula function, and the system life model is established. Based on the sy

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27

Komarov, Vladimir A., and Mihail I. Kurashkin. "Studying the Normal Operation of Grain Harvesters within the Warranty Period." Engineering Technologies and Systems 31, no. 2 (2021): 188–206. http://dx.doi.org/10.15507/2658-4123.031.202102.188-206.

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Introduction. Grain harvesters are used for no more than two months within a year. They must have maximum operating reliability, since even short downtime during the harvesting period result in large crop losses. The purpose of the study is to identify the causes of combine harvester failures within the warranty period. Materials and Methods. Identifying consequences of failures and ensuring the reliability of grain harvesters are based on an improved classification of failures. In the process of studying, there have been proposed the ways to solve the problem of combine harvester downtime bas

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28

Bollaert, Pierre-Edouard. "Normal adrenocortical function on initial testing in the intensive care unit: not a long-term warranty." Critical Care 12, no. 4 (2008): 163. http://dx.doi.org/10.1186/cc6926.

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29

Sasongko, Leopoldus, and Tundjung Mahatma. "The Estimation of Renewal Functions Using the Mean Value Theorem for Integrals (MeVTI) Method." d'CARTESIAN 5, no. 2 (2016): 111. http://dx.doi.org/10.35799/dc.5.2.2016.14984.

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In the analysis of warranty, renewal functions are important in acquiring the expected number of failures of a nonrepairable component in a time interval. It is very difficult and complicated -if at all possible- to obtain a renewal function analytically. This paper proposes a numerical integration method for estimating renewal functions in the terms of renewal integral equations. The estimation is done through the Mean Value Theorem for Integrals (MeVTI) method after modifying the variable of the renewal integral equations. The accuracy of the estimation is measured by its comparison against

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30

Nikseresht, Ali, Sajjad Shokouhyar, Erfan Babaee Tirkolaee, Ethan Nikookar, and Sina Shokoohyar. "An intelligent decision support system for warranty claims forecasting: Merits of social media and quality function deployment." Technological Forecasting and Social Change 201 (April 2024): 123268. http://dx.doi.org/10.1016/j.techfore.2024.123268.

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31

Ferran Larraz, Elena. "Simplificar para traducir documentos negociales de la Common-law: los esquemas básicos del derecho al servicio del traductor jurídico no jurista." Journal of Specialised Translation, no. 17 (January 25, 2012): 184–206. https://doi.org/10.26034/cm.jostrans.2012.465.

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It is a well-known fact that the lay translator in legal matters may find it very difficult to understand the common-law document to be translated. It is mainly because he does not know about law and its basic principles and institutions. Thus, in the context of the translation of documents of disposition of the common-law, and particularly in relation to Sales deeds, we put forward now several textual analysis techniques leading to the acquisition of cognitive competence by the lay translator or else the student of legal translation. The strategies devised should result in a new definition of

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32

Lee, Jimin, Robert Yearout, and Donna Parsons. "Systematic Routine for Setting Confidence Levels for Mean Time to Failure (MTTF)." Industrial and Systems Engineering Review 2, no. 1 (2014): 62–69. http://dx.doi.org/10.37266/iser.2014v2i1.pp62-69.

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There are circumstances where an item is intentionally tested to destruction. The purpose of this technique is to determine the failure rate (λ) of a tested item. For these items, the quality attribute is defined as how long the item will last until failure. Once the failure rate is determined from the number of survivors and total time of all items tested the mean time to failure (MTTF) which is a typical statistic for survival data analysis issues. MTTF is calculated by dividing one by failure rate (λ). From this one obtains the reliability function R(t) = e-λt where t is time. This allows t

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Hartawan Madeali. "HIDUP MARADEKA DALAM TATA RUANG RUMAH BUGIS." Jurnal Koridor 9, no. 2 (2018): 262–70. http://dx.doi.org/10.32734/koridor.v9i2.1367.

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Maradeka life is the highest idea of Bugis ethnic in South Sulawesi Province. Life and maradeka terminology are a unity which is found by exploring Bugis script called lontaraq.The research topic is learning from Bugis in planning and design space. The main objective of this study was to reveal the basic consideration of Bugis ethnic in space design which is applied in they traditional house. The research method is historical interpretation and logical argumentaion. Historical interpretation to reveal the meaning of maradeka in script. Logical argumentation to reveal local knowledge in space p

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34

Mosin, V. D., V. N. Kozlovsky, and N. A. Antonova. "ON SOME FEATURES OF DETERMINING PRODUCT QUALITY ON THE EXAMPLE OF THE DATA OF ONE OF THE LEADING DOMESTIC AUTOMAKERS." Izvestiya of Samara Scientific Center of the Russian Academy of Sciences 25, no. 4 (2023): 47–55. http://dx.doi.org/10.37313/1990-5378-2023-25-4-47-55.

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The article proposes a method for describing the probability distribution density of the failure-free operation of a product in the form of a two-parameter exponential function. Based on the data of one of the leading domestic car manufacturers, examples are considered and an assessment of the obtained theoretical distributions is carried out. In this work, to assess the quality of products, it is proposed to use the indicator of the average time spent on warranty service and car repairs during the first year of its operation.

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35

Diao, Weiping, Chetan Kulkarni, and Michael Pecht. "Development of an Informative Lithium-Ion Battery Datasheet." Energies 14, no. 17 (2021): 5434. http://dx.doi.org/10.3390/en14175434.

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Lithium-ion battery datasheets, also known as specification sheets, are documents that battery manufacturers provide to define the battery’s function, operational limit, performance, reliability, safety, cautions, prohibitions, and warranty. Product manufacturers and customers rely on the datasheets for battery selection and battery management. However, battery datasheets often have ambiguous and, in many cases, misleading terminology and data. This paper reviews and evaluates the datasheets of 25 different lithium-ion battery types from eleven major battery manufacturers. Issues that customer

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Sánchez, Karin Vilar. "Micro-function combination patterns and linguistic adequacy in specialised texts." Babel. Revue internationale de la traduction / International Journal of Translation 60, no. 1 (2014): 70–90. http://dx.doi.org/10.1075/babel.60.1.05vil.

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This paper presents a corpus-based study about differences in micro-function combination patterns in German and Spanish warranties for household appliances. Firstly the micro-functional text analysis approach is described. This methodology makes feasible an empirically motivated stylistic description of specialised texts. The first large-scale micro-functional text-type analysis was carried out in the stylistic description of German and Spanish employment contracts. The second part of the paper analyses the micro-functional composition of German and Spanish warranties and some text specific co

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Srivastava, P. W., and T. Gupta. "Optimum Time-Censored Modified Ramp-Stress ALT for the Burr Type XII Distribution with Warranty: A Goal Programming Approach." International Journal of Reliability, Quality and Safety Engineering 22, no. 03 (2015): 1550012. http://dx.doi.org/10.1142/s0218539315500126.

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Accelerated life tests (ALTs) are used to make timely assessments of the life time distribution of highly reliable materials and components. Much of the previous work on ALTs has focused on constant-stress, step-stress, ramp-stress schemes and their various combinations. In the literature ramp-stress ALTs that have been formulated can be conducted when more than one test chambers are available; installation of which may prove to be costly. Even when one test chamber is used the stress rate remains constant throughout the duration of the experiment. It is not only necessary but imperative to ex

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Ekasari, Ratna, Nurul Aziza, M. Adhi Prasnowo, and Khoirul Hidayat. "Improving Service of Quality using Quality Function Deployment." Sebelas Maret Business Review 4, no. 2 (2019): 68. http://dx.doi.org/10.20961/smbr.v4i2.13412.

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<div class="page" title="Page 1"><div class="layoutArea"><div class="column"><p><span>AdiTeknik </span><span>is one of the garages in Sidoarjo, East Java, Indonesia, engaged in repairing services industry tools. This garage recently has problems in attracting customers. Prior studies suggest that one of the things that affect the number of customers is customer satisfaction. After listening to complaints from several consumers, consumers said that they are less satisfied with the quality of the garage. This phenomenon become the trigger for us to inves

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Salma Amalia Zakaria, A.H. Fadli, and Satrio Teguh Amandiri. "KONSEPSI APLIKASI DATABASE PERSONEL DALAM PENERBITAN SURAT PERINTAH DI AAL GUNA MENGHINDARI DUPLIKASI PENUNJUKAN PERSONEL." Saintek: Jurnal Sains Teknologi dan Profesi Akademi Angkatan Laut 13, no. 2 (2021): 1259–76. http://dx.doi.org/10.59447/saintek.v13i2.55.

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The Naval Academy is a municipality that oversees 18 work units. Each Satkerhas its own function. One of its functions is to issue warrants. At the Naval Academy,there are 2 work units that have the right to issue personnel warrants, namely Ditpers(Sub-Directorate of Minpers and Sub-Directorate of Watpers) and Denma. In practice,the manufacture of warrants still encounters problems, in the form of duplication ofpersonnel warrants because the data held by each work units issuing warrants hasnot been synchronized. This results in data updates in one Satker not being known byother work units unle

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40

Panteli, Alexandros, Manolis Maragoudakis, and Stefanos Gritzalis. "Privacy Preserving Data Mining Using Radial Basis Functions on Horizontally Partitioned Databases in the Malicious Model." International Journal on Artificial Intelligence Tools 23, no. 05 (2014): 1450007. http://dx.doi.org/10.1142/s0218213014500079.

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This paper presents a privacy preserving protocol for the computation of a Radial Basis Function (RBF) neural network model between N participants which share horizontally partitioned datasets. The RBF model is used for regression analysis tasks. The novel aspect of the proposed protocol lies to the fact that it assumes a malicious user model and does not use homomorphic cryptographic methods, which are inherently only suited for a semi-trusted user environment. The performance analysis shows that the communication overhead is low enough to warranty its use while the computational complexity i

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Ullah, Azmat, Wenpo Huang, and Wei Jiang. "Product and After-Sales Maintenance Service Pricing Decisions in a Risk-Averse Supply Chain." Asia-Pacific Journal of Operational Research 37, no. 06 (2020): 2050031. http://dx.doi.org/10.1142/s0217595920500311.

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After-sales service on a product could be a lucrative source of profits however it is notoriously difficult to manage due to uncertain demand from consumers, and its complex organization such as either to provide warranty or maintenance contract or repair service. This paper focuses on a problem where the manufacturer sells a repairable product while an agent provides after-sales service under uncertain demand. Due to demand volatility, either manufacturer or agent or both the players are risk-averse toward their decisions. The goal of this paper is to design various after-sales service strate

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Hasan, Mustafa Wassef, and Nizar Hadi Abbas. "Controller design for underwater robotic vehicle based on improved whale optimization algorithm." Bulletin of Electrical Engineering and Informatics 10, no. 2 (2021): 609–18. http://dx.doi.org/10.11591/eei.v10i2.2288.

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This paper presents the impact of introducing a two-controller on the linearized autonomous underwater vehicle (AUV) for vertical motion control. These controllers are presented to overcome the sensor noise of the AUV control model that effect on the tolerance and stability of the depth motion control. Linear quadratic Gaussian (LQG) controller is cascaded with AUV model to adapt the tolerance and the stability of the system and compared with FOPID established by the improved whale optimization algorithm (IWOA) to identify which controlling method can make the system more harmonize and tolerab

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Mustafa, Wassef Hassan, and Hadi Abbas Nizar. "Controller design for underwater robotic vehicle based on improved whale optimization algorithm." Bulletin of Electrical Engineering and Informatics 10, no. 2 (2021): 609~618. https://doi.org/10.11591/eei.v10i2.2288.

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This paper presents the impact of introducing a two-controller on the linearized autonomous underwater vehicle (AUV) for vertical motion control. These controllers are presented to overcome the sensor noise of the AUV control model that effect on the tolerance and stability of the depth motion control. Linear quadratic Gaussian (LQG) controller is cascaded with AUV model to adapt the tolerance and the stability of the system and compared with FOPID established by the improved whale optimization algorithm (IWOA) to identify which controlling method can make the system more harmonize and tolerab

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Gieniusz, Andrzej Marek. "Jesus' Resurrection Appearances in 1 Cor 15,5-8 in the Light of the Syntagma ὤφθη + Dative". Biblical Annals 9, № 3 (2019): 481–92. http://dx.doi.org/10.31743/biban.4526.

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The aim of the present article is to establish the meaning of ὤφθη + a dative of indirect object in the light of its usage in koine Greek in general and in the LXX and related Jewish literature. Such a thorough analysis of the syntagma reveals that it is not very suitable as a proof of the factuality of the appearances of the Risen Christ. In the light of the use of the formula in koine Greek it seems much more probable that its primary function in the context of 1 Cor 15,5-8 is to announce the salvific dimension of the event as the beginning of eschatological salvation and as the present warr

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Alghufily, Naelah, Khalaf S. Sultan, and Hossam M. M. Radwan. "Multivariate Modified Dugum Distribution and Its Applications." Mathematics 13, no. 10 (2025): 1620. https://doi.org/10.3390/math13101620.

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The modified Dagum distribution is a highly versatile statistical model, and it is included in several important parametric families of distributions, with applications, such as economics and public health. In this paper, we introduce a multivariate version of the modified Dagum distribution and deduce some of its sub-models to address specific analytical needs. We use two different approaches to derive the joint probability density function for the proposed distribution. Also, we derive the joint cumulative distribution function through the traditional method and the Clayton copula methods. I

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Izvekov, Yu A. "THE STANDARDIZATION OF QUQLITY ASSESMENT OF SPECIAL METALLURGICAL CRANES BASED ON DESIGN RISK ANALYSIS." Izvestiya of Samara Scientific Center of the Russian Academy of Sciences 23, no. 2 (2021): 37–41. http://dx.doi.org/10.37313/1990-5378-2021-23-2-37-41.

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The article critically analyzes the standards for assessing the quality of the supporting structures of special bridge metallurgical cranes. At the present stage, more than 80% of such cranes are operated outside the warranty period. The standards are aimed either at a finite number of operating cycles, or at objects of low complexity, in particular FMEA. To estimate the resource, the characteristic number, a generalized indicator of the supporting structure, is used. Risk analysis is a promising and recommended one today. The structural risk analysis is considered as an integral indicator for

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Susiati, Devi, and Lukmandono. "Product Development of Sneakers Design Based on Consumer Preference Through Integration of Kano Method and Quality Function Deployment." Tibuana 5, no. 01 (2022): 1–7. http://dx.doi.org/10.36456/tibuana.5.01.4982.1-7.

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Ardiles brand shoes are local Indonesian brand shoes that have been around since 1950. Ardiles produces several shoe models, one of which is sneakers. This brand received the top brand award from 2018 to 2021. In analyzing consumer needs, this study uses the Kano method and Quality Function Deployment (QFD). The attributes used to find 25 attributes based on 8 dimensions of product quality. The results of the research using the Kano category method were found that there are 2 attributes in the attractive category, 3 in the indifferent category, 3 in the must be category, and 17 in the one-dime

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Li, Jun, and Ying Xiang Teng. "Lightweight Design of the Truck Side Framework." Applied Mechanics and Materials 236-237 (November 2012): 209–12. http://dx.doi.org/10.4028/www.scientific.net/amm.236-237.209.

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For the vehicle, lightweight means low fuel consumption. and small quantity of exhausted gas. In this paper by using the finite element method, the author established the model of the truck side framework. After meshing, exerting constraint, loading and calculating through finite element analysis software,the author obtained the deformation of the component. By researching changes of the stress and strain in X, Y, Z three directions of the component,the author obtained chart of the stress and strain. By using the method of arithmetic, the author defined the internal dimension as design variabl

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Nguyen, Khuong Duy, Nguyen Manh Tien, Nguyen Ba Dat, and Vu Cong Hoa. "Analyse the behavior of the functionally graded material plate structures with piezoelectric patches by using isogeometric analysis." Science & Technology Development Journal - Engineering and Technology 2, SI2 (2020): First. http://dx.doi.org/10.32508/stdjet.v2isi2.498.

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This article presents the use of isogeometric analysis (IGA) to analyse the behaviour of the functionally graded material (FGM) plate structures with piezoelectric patches. This study investigates the effect of piezoelectric patches on the plate structure made of FGM material as a solid model. Because IGA is based on the NURBS (Non-uniform rational basis spline) approximation, this method describes the exact geometry with the higher-order functions approach. The effectiveness of the present method is to use the few degrees of freedom combining a high-order approximation function between elemen

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Farina de Medeiros, Marcelo. "DIRIGISMO JUDICIAL NOS CONTRATOS EDUCACIONAIS: LIMITES E CRITÉRIOS À INTERVENÇÃO ESTATAL NO PREÇO DAS MENSALIDADES ESCOLARES." Colloquium Socialis 4, no. 4 (2021): 228–39. http://dx.doi.org/10.5747/cs.2020.v4.n4.s125.

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Since the normativeorganization supported by an analytical Federal Constitution, containing general and abstract norms that claim the judges to active participationin the realization of justice, in specifics cases, has been opened space for judicial activism. In the theoryof the contracts, the formulations of new paradigms, such as equity, good faith and social function authorizes the state intervention in privatesbusiness. Especially in the adhesion contracts, in consumer relationships. State intervention, however, have to respect constitutional principles, such warranty of free enterprise, a

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