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Wyświetlanie 1-2 z 2
Tytuł:
Application of the Nonhomogeneous Poisson Process for Counting Earthquakes
Autorzy:
Sumiati, Ira
Rahmani, Ulfa
Supian, Sudradjat
Subiyanto, Subiyanto
Powiązania:
https://bibliotekanauki.pl/articles/1062838.pdf
Data publikacji:
2019
Wydawca:
Przedsiębiorstwo Wydawnictw Naukowych Darwin / Scientific Publishing House DARWIN
Tematy:
Nonhomogeneous Poisson processes
earthquakes
simple linear regression
Opis:
Nonhomogeneous Poisson processes are Poisson processes with parameters that depend on time and not constant from time to time, also mutually independent. In addition, the probability of no occurrence in the initial state is one and the probability of the n event in the initial state is zero. In this study, nonhomogeneous Poisson processes were applied to predict and count the number of earthquake events in Indonesia. Because earthquakes that occur in Indonesia from one month to the next do not affect each other and the numbers are not the same, by not paying attention to the geophysical cause of the earthquake. The data used in the study is the occurrence of earthquakes in Indonesia from January 2016 to July 2018, sourced from the Meteorology, Climatology and Geophysics Agency obtained online. The results were obtained that the odds of predicting dan counting the occurrence of earthquakes in Indonesia in the first week of December 2018 were around 184 times with a standard deviation of around 14 times.
Źródło:
World Scientific News; 2019, 127, 3; 163-176
2392-2192
Pojawia się w:
World Scientific News
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Scheduling of Flowshop Type Production with Dannenbring Method to Obtain Optimal Results with Observing Waiting Time and Weight of Jobs
Autorzy:
Rahmani, Ulfa
Wulan, Elis Ratna
Huda, Arief Fatchul
Supian, Sudradjat
Subiyanto, Subiyanto
Powiązania:
https://bibliotekanauki.pl/articles/1062846.pdf
Data publikacji:
2019
Wydawca:
Przedsiębiorstwo Wydawnictw Naukowych Darwin / Scientific Publishing House DARWIN
Tematy:
Linear Programming
Makespan
Weigted Mean Flow Time
Opis:
Linear programming is a step or process to get maximum results with existing resources or it can be said the process of looking for optimal value. One part of scheduling is production scheduling. production scheduling is the use of resources that are few but make the most profit. This paper discusses production scheduling using flowshop type production scheduling by taking into account transportation times and work weights. This paper uses the Dannenbring method with the aim of finding the optimal sequence of problems by considering the total production time (makespan) and the average Weigted Mean Flow Time (WMFT). Based on the results of the Dannenbring method, the results of flowshop scheduling are obtained with a total makespan of 75 hours and the WMFT value is 28, 87 hours.
Źródło:
World Scientific News; 2019, 127, 3; 212-224
2392-2192
Pojawia się w:
World Scientific News
Dostawca treści:
Biblioteka Nauki
Artykuł
    Wyświetlanie 1-2 z 2

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