Academic literature on the topic 'Consecutive k-out-of-m-from-n'

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Journal articles on the topic "Consecutive k-out-of-m-from-n"

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Dr.Imad, Ismail Nashwan |. د. عماد إسماعيل نشوان. "Reliability and Failure Probability Functions of the Consecutive-k-out-of-m-from-n: F System with Multiple Failure Criteria | اقتران موثوقية و اقتران احتمال فشل النظام التتابعي k-out-of-m-from-n: F متعدد معايير الفشل". Palestinian Journal of Technology & Applied Sciences | المجلة الفلسطينية للتكنولوجيا والعلوم التطبيقية, № 3 (17 лютого 2020): 47–56. https://doi.org/10.5281/zenodo.3672761.

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  Abstract: The consecutive-k-out-of-m-from-n: F system with multiple failure criteria consists of n sequentially ordered components (,). The system fails if among any  consecutive components there are at least  components in the failed state. In this paper, the ordinary consecutive-k-out-of-m-from-n: F system played a pivotal role in achieving the reliability and failure probability functions of the consecutive-k-out-of-m-from-n: F linear and circular system with multiple failure criteria. We proved that the failure states of the multiple failure criteria system is a union of all failure state of the consecutive--out-of--from-n: F system, while the functioning state is an intersection of  the functioning states of the consecutive--out-of--from-n: F system for . The maximum number of failed components of the functioning consecutive k-out-of-m-from-n: F system with multiple failure criteria is computed.   اقتران موثوقية و اقتران احتمال فشل النظام التتابعي k-out-of-m-from-n: F متعدد معايير الفشل   ملخص: يتكون النظام  التتابعي k-out-of-m-from-n: F  متعدد معايير الفشل من n من المكونات أو الأجزاء، والذي يفشل إذا حدث انه خلال أي من  المكونات المتتابعة يفشل خلالها  على الأقل عدد من المكونات. في هذا البحث تم استنتاج اقتران الكثافة الاحتمالي للموثوقية والفشل لهذا النظام من خلال استخدام طبيعة ومكونات النظام العادي ذو الشرط الوحيد k-out-of-m-from-n: F، فلقد أثبتنا أن حالات الفشل للنظام التتابعي متعدد معايير الفشل هو فعليا اتحاد لحالات الفشل للنظام التتابعي ذو الشرط الوحيد(-out-of--from-n: F) ، أما حالات العمل للنظام التتابعي متعدد معايير الفشل  فهي تقاطع حالات العمل للنظام التتابعي ذو الشرط الوحيد  (-out-of--from-n: F) ، خلال هذا كله، تم حساب العدد الأقصى للمكونات أو الأجزاء التي ممكن أن تفشل بحيث يبقى النظام ككل في حالة العمل. الكلمات المفتاحية: النظام التتبعي ذو الشرط الوحيد، اقتران موثوقية ، احتمال فشل النظام التتبعي.  
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Levitin, Gregory, and Yuanshun Dai. "Linear $m$-Consecutive $k$-out-of-$r$-From- $n:{\rm F}$ Systems." IEEE Transactions on Reliability 60, no. 3 (2011): 640–46. http://dx.doi.org/10.1109/tr.2011.2160670.

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BOUSHABA, MAHMOUD, and ZINEB AZOUZ. "RELIABILITY BOUNDS OF A 3-DIMENSIONAL CONSECUTIVE-k-OUT-OF-n : F SYSTEM." International Journal of Reliability, Quality and Safety Engineering 18, no. 01 (2011): 51–59. http://dx.doi.org/10.1142/s0218539311004081.

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A 3-dimensional consecutive k-out-of-n : F system consists of n3 components disposed on a cubic grid of size n; it fails if and only if all the components of at least one cube of size k (1 < k < n) fail (k3 components). Although introduced as early as in 1992 by Salvia and Lasher7 as a better model for problems in medical imaging, few results are known about it.1 In this paper, we propose, in the the independent and not-necessarily-identical case, a new lower bound which has the advantage of being calculated directly from the reliability of a one dimensional consecutive-k-out-of-n:F system. To do this, we derive an intermediate system2 which behaves like a one dimensional consecutive k-out-of-n and is less reliable than the initial 3-dimensional system, hence its suitability as the lower bound. The proposed approach converts a three-dimensional system into a one-dimensional system directly. It can be extended to the three-dimensional versions of the k-within-connected-(r,s,t)-out-of-(m,n,p):F system and the m-consecutive-k-out-of-n : F system.
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GHORAF, NAMIR, and BRAHIM KSIR. "A WEIBULL LIMIT LAW FOR THE FAILURE TIME OF CONSECUTIVE-k-OUT-OF-m-FROM-n:F SYSTEM." International Journal of Reliability, Quality and Safety Engineering 13, no. 05 (2006): 421–31. http://dx.doi.org/10.1142/s0218539306002355.

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A "consecutive-k-out-of-m-from-n:F system" consists of n linearly or cyclically ordered components. The system fails if and only if there exist m consecutive components among them at least k ones are failed. In this paper we consider such a system with identical components and we give under some conditions a good approximation for the unreliability of the system when the number of components becomes large. More precisely, the purpose of the present paper is to show that for any failure distribution of components the limit law of the system's unreliability is always of the Weibull class. Thus we generalize here the result given in the case when the failure distribution of components is of the Weibull. We give also some numerical examples.
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Singh, S. B., and Seema Negi. "Fuzzy reliability evaluation of linear m-consecutive weighted-k-out-of-r-from-n: F systems." International Journal of Computing Science and Mathematics 10, no. 6 (2019): 606. http://dx.doi.org/10.1504/ijcsm.2019.10025671.

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Negi, Seema, and S. B. Singh. "Fuzzy reliability evaluation of linear m-consecutive weighted-k-out-of-r-from-n: F systems." International Journal of Computing Science and Mathematics 10, no. 6 (2019): 606. http://dx.doi.org/10.1504/ijcsm.2019.104027.

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Kotekani, Lathamani, and Subbannayya Kotigadde. "Virulence determinant and extended spectrum beta-lactamase production in Klebsiella pneumoniae isolated from a tertiary care hospital, South India." Journal of Laboratory Physicians 10, no. 02 (2018): 155–61. http://dx.doi.org/10.4103/jlp.jlp_30_17.

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ABSTRACT BACKGROUND: Klebsiella pneumoniae on these days show greater resistance towards newer generation cephalosporin. The present study made an effort to show the relevance between ESBL producing K. pneumoniae and virulence determinant in respect to serum resistance and K1, K2 antigens at a tertiary care hospital in South India. MATERIAL AND METHODS: A total of 520 consecutive, non-duplicate isolates of K. pneumoniae were recovered from various clinical specimens such as Urine (n = 360), sputum (n = 107), pus (n = 25), blood (n = 6) and other miscellaneous specimens (n=22) obtained from both out patients and in patients between June 2012 to July 2016 were included in the study. RESULTS: Polymerase Chain Reaction to detect bla genes in 62 isolates phenotypically identified as ESBL producers were successful in 58 (93.54%) isolates. Of the 13 ESBL producing hypermucoviscous Klebsiella pneumoniae (hvKP) strains, 6 of them were showing the amplicons for gene's coding for K1 antigens. CONCLUSION: The study provides further authentication of the global sporadic of bla CTX-M and the relevance between K antigens and serum resistance with ESBL production in our place. As there is no much study available, it also highlights the need for further study of their epidemiological surveillance.
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Kumar, Akshay, and S. B. Singh. "Signature reliability of linear multi-state sliding window system." International Journal of Quality & Reliability Management 35, no. 10 (2018): 2403–13. http://dx.doi.org/10.1108/ijqrm-04-2017-0083.

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Purpose The purpose of this paper is to deal with a linear multi-state sliding window coherent system which generalizes the consecutive k-out-of-r-from-n:F system in the multi-state case. The system has n linearly ordered multi-state elements consisting of m parallel independent and identically distributed elements. Every element of the system can have two states: completely working or totally failed. The system fails if the sum of performance rate is lower than the given weight. Design/methodology/approach The authors proposed to compute the signature, MTTF and Barlow–Proschan index with the help of UGF technique of multi-state SWS which consists of m parallel i.i.d. components in each multi-state window. Findings In the present study, the authors have evaluated the signature reliability, expected lifetime, cost analysis and Barlow–Proschan index. Originality/value In this study, the authors have studied a linear multi-state sliding window system which consists of n ordered multi-state element, and each multi-state element also consists of m parallel windows. The focus of the present paper is to evaluate reliability metrices of the considered system with the help of signature from using the universal generating function.
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B., Subba, and K. Dhara P. "Influence of Fruit Based Agroforestry Systems on Soil Properties for Sustainable Soil Health in Hill Zone of West Bengal, India." International Journal of Plant & Soil Science 16, no. 5 (2017): 1–12. https://doi.org/10.9734/IJPSS/2017/34271.

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A field experiment on fruit based agroforestry systems comprising of one silvi (<em>Alnus nepalensis</em>), two fruit trees, (<em>Citrus reticulata</em> Blanco. and <em>Pyrus communis</em>) and ten intercrops <em>viz </em>maize, rice, french bean, pea, and pumpkin during <em>kharif </em>and potato, cabbage, cauliflower, mustard and onion during <em>rabi</em> season of two consecutive years (2013-2015) was conducted at Dalapchand Science Farm, Krishi Vigyan Kendra (KVK), Kalimpong, West Bengal. The experiment was laid out in randomized block design (RBD) with three replications. The fruit plant grafts were planted at spacing of 10 m x 10 m. The silvi saplings were planted in between the two fruit plants and boundary at spacing of 2.5 m during <em>kharif</em> 2011. The intercrops were grown in the interspaces between the two fruit trees during two consecutive years. Depth wise (0-15 cm, 15-30 cm and 30-60 cm) soil samples were collected from the field twice, once at initial (before intercropping) and next at final (at the end of two years of intercropping) by using screw auger. Results revealed that higher improvement in soil physico-chemical properties at 0-15 cm,15-30 cm and 30-60 cm soil depth recorded <em>viz</em>. bulk density (1.26, 1.34, 1.37 gm<sup>-</sup>cm<sup>3</sup>), water holding capacity (39.44, 35.78, 33.29%), soil pH (5.90, 6.23, 6.34), organic carbon (2.04, 1.07, 0.81%), available N (517, 416, 319 kg ha<sup>-1</sup>), P (14.38,12.18, 9.52 kg ha<sup>-1</sup>), and K (535, 349, 289 status kg ha<sup>-1</sup>) respectively were found under <em>Alnus nepalensis</em> + <em>Citrus reticulata</em> + pea + mustard plot at the end of two years of study. However, among the different treatment combination, integrating silvi (<em>Alnus nepalensis</em>) and fruit trees (<em>Citrus reticulata</em> Blanco. and <em>Pyrus communis</em>) with intercrops (<em>kharif</em> + <em>rabi)</em> showed significant improvement in soil physico-chemical properties than silvi and fruit trees alone or sole crops plots.
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Sylla Daouda, Pascal Kouassi Thehua Angui, Amand Christelle, and Epouse Vanga. "Improvement of the chemical properties of waste rock deposits at the Agbaou gold mine by the legume Pueraria phasoeloïdes (Center-west Côte d'Ivoire)." World Journal of Advanced Research and Reviews 8, no. 1 (2020): 224–39. http://dx.doi.org/10.30574/wjarr.2020.8.1.0360.

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Objective: To assess the effects of the legume (Pueraria phasoeloïdes) on the chemical parameters of the waste rock soils (saprolites) at the Agbaou gold mine, in the center-west of Côte d’Ivoire. Methodology and results: Soil samples were taken using the systematic sampling method at regular intervals of 20 m on the ramps and at 20 cm soil depth, using an auger during two consecutive sampling campaigns (2016-2017 and 2017-2018). The geometric coordinates of the sampling points were obtained using a GPS Garming CSX60 type. A total of 20 composite samples were made from 80 collected soil samples. Chemical analyzes were carried out on soil samples obtained. The results show that the contents of total organic carbon (TOC), total organic nitrogen (Nt), the C: N ratio and the pH values of the soils, under Pueraria phaseoloïdes legume were significantly improved between the ramps and between the two campaigns (p &lt;0.05). Conversely, (CEC, exchangeable bases, (Ca2+, Mg2+ and K+) and phosphorus contents decreased significantly (p &lt;0.001) between the ramps and the two campaigns. This reflects the improving effect of the legume on the chemical parameters of the soils. However, variations in trace element content between ramps and across campaigns did not show any significant improvement (p&gt; 0.05).
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Conference papers on the topic "Consecutive k-out-of-m-from-n"

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Xiao, Hui, Rui Peng, Wenbin Wang, and Fei Zhao. "Linear m-gap-consecutive k-out-of-r-from-n system with common supply failures." In 2014 International Conference on Reliability, Maintainability and Safety (ICRMS). IEEE, 2014. http://dx.doi.org/10.1109/icrms.2014.7107201.

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