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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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Rekayasa Alat Pembuat Disk Runner Dengan Sistim Jig Dan Fixture . Alfian; . Fardinal; . Islamiati; . Andri
Jurnal Ilmiah Poli Rekayasa Vol 15, No 1 (2019): -
Publisher : Pusat Penelitian dan pengabdian kepada Masyarakat (P3M) Politeknik Negeri Padang

Electrical energy at this time is needed in daily life so that the demand for power from the community is so large. PLN in this case as a provider of electric current is very overwhelmed to meet customer demand. For this reason, alternative energy producers called renewable energy are sought, one of which is a micro hydro plant. In West Sumatra alone, PLTMH has considerable potential to reach 500 MW (Source: PLN West Sumatra Regional Research and Development), so that West Sumatra itself has been designated a green energy barn by the Ministry of Energy and Mineral Resources (Source: Ministry of Energy and Mineral Resources). This is a promising prospect to be developed so that PLTMH equipment can be made with the mastery of appropriate technology. Based on the survey that has been done generally making microhydro turbines is still doing manual work with simple production equipment and very low production volume. The delay in making this generator is in the runner which has a disk component as a holder where the blade will produce rotation. Part made has a specific contour shape and repetitive work. Making disk runners through six workmanship sequences using different CAD applications, tools and places. Jig and Fixture is a technological tool that is suitable for manufacturing micro hydro turbine disk runners where the material holder is on the dividing plate while the torch weld cutter is hung on the guide for the cutting process. These assistive tools designed can eliminate the work process. This mobile device can cut circles with a diameter of 200 mm-300 mm, a blade of as many as 28 pieces with the same distance, shape profile and accuracy and meet the ergonomic aspects for the operator.

Kajian Potensi Air Pengerak Pompa Hidram untuk Mengairi Sawah di Daerah Pakandangan Kabupaten Padang Pariaman Ichlas Nur; Nota Effiandi; . Mulyadi; . Maimuzar; . Hendra
Jurnal Ilmiah Poli Rekayasa Vol 15, No 1 (2019): -
Publisher : Pusat Penelitian dan pengabdian kepada Masyarakat (P3M) Politeknik Negeri Padang

Energy is needed in mobilizing a mechanism both electric energy and energy derived from fossils. Hydram pump is a device to raise water from a low place to a high place by utilizing water impacts without using renewable energy. In Pakandangan, Padang Pariaman Regency, there is a water source that cannot be utilized to flow through the rice fields around 10 Ha. Because the rice fields are higher with water sources. The methodology is to survey the location and design the dimensions of the hydram pump. The results obtained head data height of incoming water is 2.5 meters, the height of water lift to the shelter is 7 meters the flow of water entering the pump is 25 lt / sec. The dimensions of the pump are the result of the design of a hydram 1 size with an inside diameter of 2 inches

Analisis dan Pengukuran Tanggapan Frekuensi terhadap Redaman Serat Optik Uzma Septima -; Lince Markis -; Ramiati - -; Andi Ahmad Dahlan; Sri Nita -
Jurnal Ilmiah Poli Rekayasa Vol 15, No 2 (2020): -
Publisher : Pusat Penelitian dan pengabdian kepada Masyarakat (P3M) Politeknik Negeri Padang

The concept of smart home and cyber home is not the same, even much different. If a smart home or smart home is more aimed at users or home users who lead to conventional homes equipped with digital devices, the concept of cyber home is more to the bandwidth capacity of the internet to complement digital devices in the home. For this reason, Cyber Park Indonesia cooperates with PT Wika Realty. Specifically to develop the housing as a cyber home, Cyber Park Indonesia uses optical fiber. [Kompas, 2017]. This fact states that communication using optical fiber becomes very important so that to optimize the optical fiber system, a study that produces frequency responses to optical fiber attenuation parameters is made. Various sine signal frequency and amplitude values are given as input from an optical fiber dispersing system by looking at the response of the receiver in the form of voltage parameter values. The frequency values given range from 100 Hz to 10 Khz. The linkage of the input amplitude value to the damping value is an output voltage output generated by the amplitude of the amplitude parameter at the sending end. This voltage value comparison is used as the damping parameter of an optical fiber communication system. Giving this frequency will provide the performance of a fiber optic communication system. The resulting voltage value is a constant of changes in the frequency value.

Home Automation dengan Memanfaatkan Mini Komputer Raspberry Pi sebagai Pengontrol Perangkat Elektronik melalui Jaringan Lokal Aprinal Adila Asril; Yul Antonisfia; Ihsan Lumasa Rimra; . Lifwarda
Jurnal Ilmiah Poli Rekayasa Vol 15, No 1 (2019): -
Publisher : Pusat Penelitian dan pengabdian kepada Masyarakat (P3M) Politeknik Negeri Padang

Meningkatnya kesibukan manusia yang tidak dapat ditunda dalam kehidupan sehari-hari mengakibatkan manusia sekarang tidak memiliki cukup waktu luang untuk melakukan banyak kegiatan dalam waktu yang sama. Disinilah peran teknologi untuk mempermudah dan memperlancar kegiatan manusia dalam kehidupan sehari-hari. Dengan menggunakan Raspberry Pi, dibuatlah sistem Home Automation yang dapat menyelesaikan permasalahan tersebut. Sistem ini juga sangat berguna untuk membantu manusia yang memiliki kebiasaan buruk dalam hal penghematan daya listrik dan jangka waktu pakai sebuah perangkat elektronik, contoh sederhananya kebiasaan lupa dalam mematikan televisi. Pada tugas akhir ini dirancang sebuah sistem dimana, nantinya user dapat melakukan kontrol terhadap beberapa perangkat elektronik yang terdapat pada miniature rumah. Pengontrolan dilakukan dengan mengakses ke webserver yang terdapat pada Raspberry Pi, kemudian melakukan kontrol melalui jaringan lokal. Jaringan lokal tersebut, terdiri dari 3 jaringan yang terhubung oleh 2 wireless router Linksys cisco WRT120N. Dalam melakkukan kontrol Raspberry Pi terhubung pada modul relay yang berfungsi sebagai pemutus dan penyambung arus listrik perangkat elektronik. Hasil pengujian Home automation menunjukkan bahwa untuk dapat mengakses perangkat elektronik yang berada pada miniature rumah maka user dan server harus terhubung dalam jaringan lokal. Sistem ini diakses dengan media kabel dan wireless, dengan melewati beberapa wireless router sistem ini nantinya dapat diimplementasikan pada internet. Kata kunci: Home Automation, Raspberry Pi, wireless router, Linksys Cisco WRT120N, webserver

Modifikasi Unit PemotonMesin Pencacah Serat TKKS Menggunakan Silinder Pemotong Tipe Reel Junaidi Junaidi; Adriansyah Adriansyah; Elvis Adril
Jurnal Ilmiah Poli Rekayasa Vol 15, No 1 (2019): -
Publisher : Pusat Penelitian dan pengabdian kepada Masyarakat (P3M) Politeknik Negeri Padang

Oil palm empty fruit bunches (OPEFB) are solid waste from the oil palm plantation industry with a fiber content of ± 70%, and can be used as a composite board reinforcement. From the results of previous studies found that the mechanical properties of composite boards of OPEFB fibers between the left, middle and right parts occur very large differences, this situation occurs because the length of the fiber used is not the same between 3-10 cm. The long fibers in addition to the adhesive mixing process are very difficult and long, also resulting in uneven strength of the boards on each side. The purpose of this study is to modify the design of the TKKS fiber chopping machine cutting unit using a reel type cutting cylinder, making the machine cutting unit, and testing the engine performance. From the results of engine design, the engine capacity is ± 85 kg / hour, the engine size is 110 cm x 36.5 cm x 49 cm, the motor power is 2.5 HP with a rotation of 1450 Rpm. The components of the chopper unit consist of the chopper holder measuring 8 cm x l5 cm x 13 cm, placed 3 pieces of planers which are 8 cm x 5 cm x 0.4 cm, the chopper shaft measuring 40 cm long and Ø 3 cm, the holder of the pin measuring Ø 16 cm with a thickness of 0.6 cm. From the results of engine performance testing, it is found that the capacity of the machine with 5 mm filter diameter is 35 kg / hour, diameter of 10 mm 48 kg / hour, diameter 15 mm 55 kg / hour and diameter of 20 mm is 65 kg / hour. The uniformity of the results in the filter hole 5 mm the average fiber length of 15-25 is 80%, the filter hole 10 mm fiber length an average of 30-40 mm by 82%, the filter hole 15 mm fiber length an average of 40-50 mm by 85%, and the filter hole 20 mm in fiber length an average of 50-60 mm by 80%.

Pembelajaran E-Learning Berbasis Web Bagi Pengajar untuk Mendukung Kegiatan Perkuliahan di Politeknik Negeri Padang Maimuzar - -; Nasrul - -
Jurnal Ilmiah Poli Rekayasa Vol 12, No 2 (2017)
Publisher : Pusat Penelitian dan pengabdian kepada Masyarakat (P3M) Politeknik Negeri Padang

We-based e-Learning System can be used to support lecture’s activity. Lecturer as a teacher need a servise of the Sistim which suitable for their activities. Lecturer’s activities consist of delivering materials, discussion and interaction with their students. Because of that the aplication design is needed to support the activities of lectures. Designing the web based e-Learning System is intended to give a service on the lecture. Lecture can do their teaching activities, delivering the materials and administering it using this e-Learning aplication. From the student side, they have to receive the materials easily from anywhere at anytime. This research have an objective to design a web based e_learning System which give an adequate service supporting the lecturer’s activities. Lecture can use this aplication ti deliver their materials, communicating and interacting with their student, observing the progress of students and give result of learning evaluation from the web. The design and implementation of this e-learning application is based on the requirement of the users. The users consist of lecturer, student, quest, and administrator. The process of aplication design is built within Sistimatical stages. After finishing the design process, the aplication is implemented on the real Sistim. Doing the design testing and functional is to test if the aplication can go well together with design and funtionality.e-Learnign aplication that has been built is designed based on lecturer’s need when doing their lecture’s activities. This e-Learning aplication can be used as contribution for building new aplication or5 improving others that has already exist.

Kestabilan Model Epidemi SEIR Dengan Laju Insidensi Roni Tri Putra; Sukatik - -; Sri Nita -
Jurnal Ilmiah Poli Rekayasa Vol 10, No 2 (2015)
Publisher : Pusat Penelitian dan pengabdian kepada Masyarakat (P3M) Politeknik Negeri Padang

In this paper, it will be studied stability for a SEIR epidemic model with infectious force in latent, infected and immune period with incidence rate. From the model it will be found investigated the existence and uniqueness solution of points its equilibrium. Existence solution of points equilibrium proved by show its differential equations system of equilibrium continue, and uniqueness solution of points equilibrium proved by show its differential equation system of equilibrium differentiable continue.

Analisa Perbandingan Percepatan Penyelesaian Proyek Dengan Metode (Studi Kasus : Proyek Mercu Suar,Yogyakarta) Jajang Atmaja -
Jurnal Ilmiah Poli Rekayasa Vol 14, No 2 (2019): -
Publisher : Pusat Penelitian dan pengabdian kepada Masyarakat (P3M) Politeknik Negeri Padang

Time constraints are often a problem in construction projects. Project scheduling and consistent evaluation are needed so that the project is completed on time. Evaluation is applied using performance intensity methods and Microsoft Project. Performance Intensity is a calculation carried out to determine the pace of project work. Performance intensity provides information on how quickly an activity can be completed. For the calculation of Performance Intensity use PPI, API and CPI. To control work in the field using CCS and CCP. Evaluation to find out the time performance applied to the Yogyakarta Lighthouse project. The project is planned to be completed on December 14, 2014 with a duration of 266 days. Evaluation is carried out for 35 periods. The results of this evaluation are differences in the analysis of the final day between the method of Performance Intensity and Microsoft project. The final day analysis of Performance Intensity at week 35 for 279 days, while analysis of Microsoft Project for 280 days. Differences in the range of predictions for the day-to-day analysis of a project are caused by the Performance Intensity method using the average cumulative work rate as a benchmark that changes every period. To pursue delays, the project acceleration method is used, namely Schedule. The time needed for the Schedule is 80 days.

Dampak Harmonisa yang ditimbulkan 0leh Beban Lampu Flourecent pada Instalasi Listrik Tri Artono -; Junaidi Asrul -; Efendi - -; Rahmi Berlianti -
Jurnal Ilmiah Poli Rekayasa Vol 13, No 1 (2017)
Publisher : Pusat Penelitian dan pengabdian kepada Masyarakat (P3M) Politeknik Negeri Padang

The problem of harmonics in electric power system can not be ignored, because with the increasing use of non-linear equipment (eg flouresent lamp), that flouresent lamp can cause harmonics in odd order of multiples of 3 that is equal to 15% , in this research two measurements are measured by using flouresent lamp load and incandescent lamp as comparison. The measurement used in this research is to use the harmonic power analysis instrument. From the result of measurement, it is found that in the experiments on 3 phase 4-wire system when the incandescent lamps are given each phase is balanced, the current in the neutral conductor is 0.08 Amper. While in the second experimental 3 phase 4-wire system when given 2x40 Watt flouresent lamp loads that each phase is balanced, then the current in the neutral conductor becomes excess that is equal to 0.26 Amper. The results of this measurement indicate that the harmonics caused by flouresent lamps are very worrying if the neutral cable carrier used on small-diameter electrical installation network, this could endanger the installation of fire.

Computare Vision Berbasis Camera dan Mini PC untuk Identifikasi Kecacatan Penutup Kemasan Minuman Kaleng Andrizal - -; Anton Hidayat -; Roza Roza Susanti -; Rivanol Chadry -
Jurnal Ilmiah Poli Rekayasa Vol 12, No 1 (2016)
Publisher : Pusat Penelitian dan pengabdian kepada Masyarakat (P3M) Politeknik Negeri Padang

Visual inspection becomes an important role when determining the quality of the conditions of production. Manual visual inspection carried out by relying on human senses, especially the eyes, the weakness is perspective and human's perspective may be different from each other, the quality result can be different. Utilization of the camera as a sensor and computer system as a major component of decision-making is the latest technology that is used as an automatic visual inspection replace human tasks. This research aims to make a visual inspection system that utilizes a web camera and mini PC (personal mini computare) Raspberry PI to identify disability packaging beverage cans. The system that is made has been tested to identify defects tin side of the inner surface of the cover packaging of canned drinks without color or silver color. The result is, the system is able to distinguish defective cans and the cans that are not defective with an accuracy of 66, 67%. We hope this research can be developed at a later stage so that automatic a visual inspection can be realized.

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