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Jurnal Ilmiah Poli Rekayasa

JPR
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Published by Politeknik Negeri Padang

ISSN : 18583709 EISSN : 26853922 DOI : 10.30630/jipr

Core Subject : Education,

Education

Jurnal Ilmiah Poli Rekayasa adalah jurnal ilmiah yang diterbitkan 2 edisi dalam setahun, bulan April dan Oktober. Terbit sejak tahun 2005. Fokus Kajian jurnal ini adalah Fokus kajian artikel dalam JPR mencakup Mechanical Engineering, Civil Engineering, dan Electronica, Electricty dan Telecomunication EngineeringLingkup Jurnal Ilmiah Poli Rekayasa meliputi : 1) Energi terbarukan (rewnable energy), 2) Inovasi kendaran bermotor hemat BBM, 3) Material Maju, 4) Emisi dan pembakaran motor bakar, 5) Rekayasa termal dan fluida, 6) Rekayasa power plant, 7)Material komposit, 8) Biomaterial, 9)Teknologi pengujian tak merusak (Non Distruction Test/NDT), 10) Kontrol dan mekatronika, 11) Planing untuk pengurangan resiko bencana, 12) Sistem transportasi antar moda, 13) Rekayasa konstruksi, bangunan, jembatan dan Jalan, 14) Manajemen daerah aliran sungai, air tanah, sedimen dan waduk, 15) Remote Sensing Harap baca panduan ini dengan seksama. Penulis yang ingin mengirimkan artikel ke Jurnal Ilmiah Poli Rekayasa, harus mengikuti panduan penulisan. Jika artikel yang dikirim tidak sesuai dengan panduan penulisan atau ditulis dalam format yang berbeda, maka akan DITOLAK oleh editor sebelum ditinjau lebih lanjut. Para editor hanya menerima artikel yang memenuhi format yang ditetapkan. Artikel ditulis dalam bahasa indonesia. Jurnal Ilmiah Poli Rekayasa menggunakan prosedur penilaian Double Blind. Dimana antara penulis dengan mitra bestari tidak saling mengenal identitasnya masing-masing. Silahkan kirimkan artikel anda dan untuk unduh Template DI SINI Etika Publikasi dapat dilihat pada tautan berikut ini : ETIKA PUBLIKASI.

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Articles 171 Documents

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Pemodelan Sistem dengan Metode Neural Network Back Propagation Modeling System Using Neural Network Backpropagation Dwi Sudarno Putra; Toto Sugiarto -; Meri Azmi -
Jurnal Ilmiah Poli Rekayasa Vol 11, No 2 (2016)
Publisher : Pusat Penelitian dan pengabdian kepada Masyarakat (P3M) Politeknik Negeri Padang

A system can be modeled using mathematical formulation analysis method. Analysis of the system starts from the value of inputs, processes, noise, and output processes. then sought mathematical approach. This method is very complex, especially for some of the processes that have a higher order. In this article the author tries to discuss a method to perform modeling on a system by using Back Propagation Neural Network method.In the neural network method we require the initial data for network training process. Network training process is intended to gain weight. The weight is then identified with a model system. This paper has demonstrated that the modeling system can be done by the method of back propagation neural network

Model Hidrologi Terdistribusi untuk Analisis Debit Terserap pada Sumur Resapan, Lubang Biopori dan Kolam Retensi Elvi Roza Syofyan; Bambang Istijono -; Amrizal Saidi -; Revalin Herdianto -
Jurnal Ilmiah Poli Rekayasa Vol 15, No 2 (2020): -
Publisher : Pusat Penelitian dan pengabdian kepada Masyarakat (P3M) Politeknik Negeri Padang

Infiltration wells, biopore holes, retention ponds serve to collect surface water from rain and then seep into the ground to become ground water reserves. This study aims to look at the application of a distributed hydrological model for the analysis of absorbed discharges in infiltration wells, biopore holes and retention ponds in the Batang Kuranji watershed. Research methods the study was conducted using a survey method that is secondary data collection and primary data. In this study the techniques of rainfall data analysis, Batang Kuranji watershed land use, Runoff analysis using distributed hydrological models and absorbed discharges in infiltration wells, biopore holes, retention ponds in the Batang Kuranji watershed. By applying model 4 using 1 infiltration wells, 2 biopore holes and 4 retention ponds can reduce the runoff rate in the sub-watershed by 7.514% - 27.545%, for the watershed level can reduce the discharge of 15.297%, the more the number of absorption wells, biopori holes and retention ponds more effective in reducing runoff in the Batang Kuranji watershed.

Model Hidrologi Terdistribusi untuk Analisis Debit Terserap pada Sumur Resapan, Lubang Biopori dan Kolam Retensi Syofyan, Elvi Roza; -, Bambang Istijono; -, Amrizal Saidi; -, Revalin Herdianto
Jurnal Ilmiah Poli Rekayasa Vol 15, No 2 (2020): -
Publisher : Pusat Penelitian dan pengabdian kepada Masyarakat (P3M) Politeknik Negeri Padang

Model Numerik 1D Penggerusan Endapan di Mulut Muara dengan Metode Beda Hingga Dalrino - -; Mukhlis - -; Elvi Roza Syofyan
Jurnal Ilmiah Poli Rekayasa Vol 10, No 1 (2014)
Publisher : Pusat Penelitian dan pengabdian kepada Masyarakat (P3M) Politeknik Negeri Padang

Sedimentation at estuary river have potency to cause floods because the narrowing of estuary as outlet. Sedimentation process can be caused by the so small river discharge at dry season so that cannot to flushing the sediment that happened at estuary mouth. When the rains arrive, river discharge which starting to big shall no long castaway to sea freely, so that causes floods in headwaters. Numerical simulation by using finite different method with Preissmann implicit scheme conducted to see ability of river discharge in early the rains to flushing the sediment in estuary mouth. Simulation was done at river with sediment elevation at + 4.00 m in estuary mouth. Boundary condition in the form of discharge hydrograph in early the rains at upstream boundary and also critical water surface elevation in sediment top and sea level at downstream boundary applied at model to see behavior of sediment transport and change of profile at bottom channel that happened. Simulation result show with 24 hours floods charge in early the rains, sediment volume of flushed equal to 20,52 %, with elevation reside at + 3,179 m. Sediment will fully under sea-water face after 9 days simulation. Change of upriver discharge and tidal elevation at downstream will influence to speed of stream that happened. By the end of simulation, the bottom profile of channel influenced of tide.

Pemodelan Data Time Series Garch(1,1) Untuk Pasar Saham Indonesia Elfa Rafulta -; Roni Tri Putra
Jurnal Ilmiah Poli Rekayasa Vol 11, No 1 (2015)
Publisher : Pusat Penelitian dan pengabdian kepada Masyarakat (P3M) Politeknik Negeri Padang

This paper introduced a method pengklusteran for financial data. By using the model Heteroskidastity Generalized autoregressive conditional (GARCH), will be estimated distance between the stock market using GARCH-based distance. The purpose of this method is mengkluster international stock markets with different amounts of data.

Penentuan Zona Dan Karakteristik Daerah Aliran Sungai Dengan Analisa Spasial Sistem Informasi Geografis Era Alfansyuri -; Indra Farni -
Jurnal Ilmiah Poli Rekayasa Vol 14, No 1 (2018)
Publisher : Pusat Penelitian dan pengabdian kepada Masyarakat (P3M) Politeknik Negeri Padang

Watershed Management comprehensively considers the boundaries and characteristics of physical watersheds that have precision and detail of data sources. Determination of the Watershed zone in a digital process is supported by the development of satellite-based remote sensing surface data and supported by spatial data analysis management technology with Geographic Information System. Provincial spatial boundaries and watershed characteristics include the area, slope and land use in the area so as to support the watershed management.

Perancang Alat Sistem Monitoring Volume Air Pada Tangki Air Berbasis Telegram Dengan Mikrokontroler NodeMCU Junaldi - -; Titin Ritmi -; Adityo Ferry -
Jurnal Ilmiah Poli Rekayasa Vol 16, No 1 (2020): -
Publisher : Pusat Penelitian dan pengabdian kepada Masyarakat (P3M) Politeknik Negeri Padang

At this time the world is experiencing a Covid-19 outbreak which has resulted in all activities being restricted and must implement health protocols to prevent the transmission of the corona virus. One of these health protocols is washing hands regularly. Padang State Polytechnic is an educational institution that applies health protocols by providing water tanks in several places so that everyone who comes to Padang State Polytechnic can wash their hands easily. The water tank available at the Padang State Polytechnic does not have a specific schedule for filling it. This causes the officer in charge to always check the condition of the water tank. At the Padang State Polytechnic, the number of water tanks available is not small. Periodic inspection of the water tank becomes ineffective and causes not all of the water to be fully filled or that there is also a tank that is not filled. Therefore, the Water Volume Monitoring System tool in a Telegram Based Water Tank with a NodeMCU Microcontroller can make it easier for officers to monitor the state of the water via telegram so that the water tank monitoring process at Padang State Polytechnic becomes more effective. The water volume monitoring system tool is built with NodeMCU Microcontroller technology and the Telegram application to check notifications.

Analisa Debit Andalan Pada Das Batang Arau Dengan Menggunakan Model Soil And Water Assessment Tool (SWAT) Maryam Afifa -; Afla Dina -; Elvi Roza Syofyan; Wisafri - -
Jurnal Ilmiah Poli Rekayasa Vol 16, No 1 (2020): -
Publisher : Pusat Penelitian dan pengabdian kepada Masyarakat (P3M) Politeknik Negeri Padang

Batang Arau is one of the rivers that flows in the city of Padang, the upstream part of the Batang Arau watershed starting from the Lubuk Paraku river which is in the northeast of Padang City, with a water catchment area of 2,504 hectares which is Dr. Muhammad Hatta, Nature Reserve Area Barisan I and Arau downstream. The Batang Arau watershed has decreased its primary forest area due to the large number of additional settlements. The increase in residential area resulted in the land that was previously not waterproof. The mainstay discharge always increases in the rainy season and decreases in the dry season. The mainstay discharge in the Batang Arau watershed is calculated using the Fj Mock method. The Batang Arau watershed also knows the mainstay discharge that occurred in 2010, 2012 and 2018 using the Soil and Water Assessment Tool (SWAT) model. The analysis was obtained from four processes, namely delineation of the watershed, the formation of the Hydrologic Response Unit (HRU), the formation of climatological data, and the simulation process. For the HRU analysis of the Batang Arau watershed, it was obtained 7 sub-watersheds, the dominant HRU, namely primary dryland forest, was 74.68%.

Optimasi Pemanfaatan Lahan Pada Proyek Pengembangan Perumahan Dengan Metode Simpleks Monika Natalia -; Etri Etri Suhelmidawati -; Afrilia Handayani Yuzar
Jurnal Ilmiah Poli Rekayasa Vol 16, No 1 (2020): -
Publisher : Pusat Penelitian dan pengabdian kepada Masyarakat (P3M) Politeknik Negeri Padang

House is one of primary human needs. Realizing the importance of housing needs, developers take advantage of these opportunities to provide recidential house. The main problem that often happens in housing development is difficulty in determining proportion of the types of houses that will be built within the size of land owned. To obtain the optimum amount of each type of house that will be built with the limits available, then set up a model. The optimization calculate is using the simplex method. The constraints for housing development consist of land area for each type of house with the total land area allocated for buildings is 16.116m2; The time available to complete the building is 364 days; Cost budget allocated for the development is Rp. 80.000.000.000,00 and comparison of market demand for each house is 10:6:15:5. The analysis result showed that the composition of optimum number of houses to be built are: 44 units of type 36A, 26 units of type 36B, 67 units of type 60 and 23 units of type 107 with maximum profit is Rp. 14.117.171.000,00.

Analisis Pengendalian Puncak Banjir Menggunakan Kolam Retensi di DAS Batang Air Dingin Kota Padang Fajri Ramadhan -; Yola Amelia -; Revalin Herdianto -; Elvi Roza Syofyan
Jurnal Ilmiah Poli Rekayasa Vol 16, No 1 (2020): -
Publisher : Pusat Penelitian dan pengabdian kepada Masyarakat (P3M) Politeknik Negeri Padang

Batang Air Dingin Watershed is one of the watersheds in Padang City which is located at 00050’12,5” to 00050’22,5” South Latitude and 100023’35,85” to 100022’42,84” East Longitude has changed its function. Land in the area around the river flow results in greater surface runoff, which has the potential to cause erosion. Runoff that occurs in Batang Air Dingin Watershed area causes the river to shrink during the dry season causing the local residents’ wells to be drought, while in the rainy season the river discharge value used is obtained. Through the calculation of the hydrograps discharge using the HSS Nakayasu and HEC-HMS methods whose values are validated by the field flood discharge. Hydraulic modelling using HEC-RAS software with discharge from HSS Nakayasu method. The retention pond plan is based on the amount of runoff that cannot be accommodated by the original storage capacity of Batang Air Dingin Watershed during 100 year return period was 1212, 94 m3/second with large river storage capacity is 1205,317 m3/second. The debit that can be deducted by making a retention pond is 30,5%.

Page 11 of 18 | Total Record : 171

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Sumatera barat

INDONESIA