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Politeknosain
Published by Politeknik Pratama Mulia Surakarta
ISSN : 18296181     EISSN : 27979148     DOI : -
Core Subject : Science, Education, Agriculture, Engineering,
Agriculture, Biological Sciences & Forestry Automotive Engineering Chemical Engineering, Chemistry & Bioengineering Computer Science & IT Control & Systems Engineering Education Electrical & Electronics Engineering Industrial & Manufacturing Engineering Materials Science & Nanotechnology Mathematics Mechanical Engineering
Politeknosains diterbitkan oleh Lembaga Penelitian dan Pengabdian kepada Masyarakat (LPPM) Politeknik Pratama Mulia Surakarta dalam membantu para akademisi, peneliti dan praktisi untuk menyebarkan hasil penelitiannya. Politeknosains adalah jurnal nasional, yang didedikasikan untuk publikasi hasil penelitian yang berkualitas dalam bidang Teknik Elektronika, Teknik Komputer dan Informatika, Teknik Mesin dan Mesin Otomotif, namun tak terbatas secara implisit serta bebas biaya dalam proses submisi. Politeknosains menerbitkan paper secara berkala 2 kali setahun yaitu pada bulan Maret dan September.
Arjuna Subject : Teknik (semua kategori) - Teknik (Lain-Lain)
Articles 104 Documents
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Pengolahan Data Pengiriman Paket di PT. Maji – Salatiga dengan Pemrograman Visual Basic Didik Warasto
Politeknosains Vol 19 No 2 (2020): Jurnal Politeknosains Volume 19 Nomor 2 - September 2020
Publisher : Lembaga Penelitian dan Pengabdian kepada Masyarakat (LPPM) Politeknik Pratama Mulia Surakarta

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Abstract

Data-Processing of Package Delivery In PT. MAJI - Salatiga use the programming language visual basic 6.0. with the progress of information technology in this time computer play a part very important in the world of job. In technological growth this computer can assist the us in producing and to save information in a complex system information. In general computer used for the hollowing of duty like typing, but in fact knowledge about computer need more developing so that can overcome the problems which complex progressively. As for one of example of problems able to be overcome with the computer peripheral that is problems of delivery of goods package that happened in PT. MAJI - Salatiga By using programming language of visual basic 06, in this paper writer hope can assist the PT. MAJI - Salatiga in solving problems of delivery of goods package especially, so that will get the data and report which quickly, precisely and accurate. By using input of scrip certificate transaction, town data, data of tariff of package and transaction claim so that can complete the process which have there.
Pengembangan Penilaian Hasil Akhir Belajar Siswa SMK Kesehatan Daarul Hidayah Sukoharjo dengan Prototype Moh. Muhtarom; Agus Suyatno
Politeknosains Vol 19 No 2 (2020): Jurnal Politeknosains Volume 19 Nomor 2 - September 2020
Publisher : Lembaga Penelitian dan Pengabdian kepada Masyarakat (LPPM) Politeknik Pratama Mulia Surakarta

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Abstract

Learning media that have been used in the form of books and learning media using power point still not support student achievement. In this method sometimes the concentration of students is split with other things, consequently the students are less understanding of the subject matter, as well as the subjects of PPKN, not a few students feel bored and saturated to learn it, students just memorize without understanding the basic concept. The main software used is Macromedia Flash 8 as a software to create create an interesting learning media, iinterakktif and educating. This learning media is filled with materials that have been peeled, researched and in accordance with the Education and Culture Materials Anis Baswedan by issuing the regulation of Minister of Education and Culture no 160 of 2014 about the implementation of the curriculum in 2006 and 2013 curriculum. Application of learning media PPKN class II SMK curriculum 2013 facilitate the teachers or teachers to deliver lessons or materials PPKN. And increase interest in learning and ease in teaching and learning process.
Aplikasi Media Pembelajaran Interaktif Bagi Santri TPA Berbasis Android Nuning Melianingsih; Harjono
Politeknosains Vol 19 No 2 (2020): Jurnal Politeknosains Volume 19 Nomor 2 - September 2020
Publisher : Lembaga Penelitian dan Pengabdian kepada Masyarakat (LPPM) Politeknik Pratama Mulia Surakarta

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Abstract

The rapid development of technology has changed many facets of human life. One example of the changing side of life due to the development of information technology is children's interest in learning, especially in learning Islam. Efforts that can be made to restore the interest in learning the religion of Islam is by making Android applications a fun and educative learning media for TPA students. The steps taken to create an android application are analysis of needs and material collection, designing images, designing animations, creating applications using Adobe Flash Professional CS6, testing applications and applications. Based on the results of the study by testing and filling out the questionnaire, respondents agreed that the smartphone they owned was used as a fun and educative learning media, did not make them bored quickly and the respondents agreed if they could learn while playing.
Analisis Kestabilan Lereng Timbunan Tailing Bauksit: Studi Kasus PT. Laman Mining Kecamatan Hilir Utara Herman; Firman
Politeknosains Vol 19 No 2 (2020): Jurnal Politeknosains Volume 19 Nomor 2 - September 2020
Publisher : Lembaga Penelitian dan Pengabdian kepada Masyarakat (LPPM) Politeknik Pratama Mulia Surakarta

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Abstract

Bauxite mineral commodities in Indonesia are very abundant, based on Pusdatin data, 2016. Bauxite mineral mining is carried out by the method of selective open mining (surface mining), where in its application this method tends to change the morphology in a fairly large area. PT. Laman Mining is one of the mining companies currently operating in Ketapang Regency, and produces residual deposits. From the research conducted it was found that the tailling disposal angle can be made up to 80 degrees and in model two the level should not exceed 45 degrees with factor of safety 1.398. and tailing residues are also utilized, through compressive strength testing, it is found that sample 1:1 have medium quality and sample 1:2 low quality based on SNI.
Evaluasi Situs Web Menggunakan Website Accessibility Conformance Evaluation Methodology (WCAG-EM) 2.0 pada Situs-Situs E-Commerce di Indonesia Ahmad Hanafi; Choerun Asnawi
Politeknosains Vol 19 No 2 (2020): Jurnal Politeknosains Volume 19 Nomor 2 - September 2020
Publisher : Lembaga Penelitian dan Pengabdian kepada Masyarakat (LPPM) Politeknik Pratama Mulia Surakarta

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Abstract

E-Commerce website in Indonesia have grown rapidly. Accessibility test on these kind of website have not been done, this trigger the question, Are disable people capable of using these website to raise their economic. This study is done by using WCAG 2.0 framework to two of the biggest emarketplace website on Indonesia. Bukalapak and Tokopedia. The result those website have shown that there were very low accesibility score between those website.
Optimasi Parameter 3D Printing Tipe FDM Terhadap Akurasi Dimensi dengan Filamen Berbahan Daur Ulang Plastik HDPE Herda Agus Pamasaria; Tri Hannanto Saputra
Politeknosains Vol 19 No 2 (2020): Jurnal Politeknosains Volume 19 Nomor 2 - September 2020
Publisher : Lembaga Penelitian dan Pengabdian kepada Masyarakat (LPPM) Politeknik Pratama Mulia Surakarta

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Abstract

One step to overcome the amount of plastic waste is to process the plastic waste into a filament for the FDM 3D Printer, but research needs to be done to get the optimum parameters to print a product with the best dimensional accuracy as the result of 3D Printing process using recycled plastic materials filament. Methods used in this research are combination of Taguchi method and PCR-TOPSIS, and the fixed parameters used in this research are layer thickness, extrusion temperature and printing speed. The purpose of selecting these parameters is to facilitate the setting process of FDM type 3D printing. The material used is a filament made from HDPE plastic recycled material. The results of this research indicate that the optimum parameter is a combination of printing temperature 260oC, layer height 0.12 mm and printing speed 50 mm/s. The most influential parameters are sorted into layer height, printing temperature and the last is printing speed.
Pengembangan Media Pembelajaran Interaktif Menggunakan Power Point Dengan Audio Visual Untuk Materi Determinan Matriks Cicilia Puji Rahayu
Politeknosains Vol 19 No 2 (2020): Jurnal Politeknosains Volume 19 Nomor 2 - September 2020
Publisher : Lembaga Penelitian dan Pengabdian kepada Masyarakat (LPPM) Politeknik Pratama Mulia Surakarta

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Abstract

Since March 14, 2020, the city of Surakarta has been declared an Extraordinary Event (KLB) of the CoViD-19 corona virus. The world of education, including the University of Surakarta, maintains teaching and learning activities using an online learning system (online) or also known as distance lectures. This condition forces lecturers and students to be ready to face teaching and learning activities outside the habit of face-to-face, namely through distance lectures. The obstacles experienced by students with long-distance lectures include limited internet quota, poor signal in the area, not all students have cellphones. Distance lecturing also raises new problems for lecturers, how to convey material so that students can understand it well. The platform for online teaching and learning activities implemented at the University of Surakarta is whatsapp and google classroom. This media provides facilities for lecturers to deliver material in writing, without being able to deliver it orally. Researchers are moved to try to create or develop interactive learning media with simple audio visuals that can be uploaded through these media and make it easier for students to understand the material provided. The development of this learning media uses power point software equipped with audio visuals that are clear, simple and of sufficient size in the hope that students are able to download the material without any constraints, and can improve students' ability to understand the determinant matrix material. The researcher carried out the stages by collecting data, analyzing data, analyzing needs, making designs, making learning media, conducting trials, and implementing the learning media. Making learning media with the display created is the front page, menu display, determinant material, order 2 matrix determinant, order 3 matrix determinant, calculating determinants with Laplace expansion. Make an audio-visual explanation of the material clearly, then combine the audio visual with the material that has been made. Then conduct trials and implement these media to students of the Surakarta University Computer System Study Program who take Linear Algebra and Matrix courses. Researchers have produced power point based learning media products with audio visuals for the determinant matrix material. To find out student responses, researchers distributed questionnaires to students and obtained data that from the 17 questionnaire forms Return 15 questionnaire forms and all of them responded that the learning media was good, clear, simple and easy to understand. Learning using these media has increased students' understanding of the determinant material of the matrix, this is indicated by an increase in student quiz scores compared to when learning has not used this learning media.
Efek Pemaparan Komposit High Density Polyethylene (HDPE) Limbah Berpenguat Serat Cantula Agave Terhadap Perubahan Sifat Lentur dan Impak Siswanto; Teguh Wiyono
Politeknosains Vol 19 No Edisi Khusus (2020): Jurnal Politeknosains Volume 19 Edisi Khusus - Juli 2020
Publisher : Lembaga Penelitian dan Pengabdian kepada Masyarakat (LPPM) Politeknik Pratama Mulia Surakarta

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Abstract

Research on composite material title: Effects of High Density Polyethylene (HDPE) Composite Agave Fiber Reinforced Waste on Changing Flexural and Impact Properties, this aims to determine the effect of exposure to changes in mechanical properties of composites. Composites were tested for the flexural and impact properties, in order to determine the surface morphology of the composite fracture, SEM photographs were taken. The composite matrix uses HDPE polymer waste bottles, waste plastic materials are cleaned and ground and sieved into 40-60 mesh. Composite reinforcement uses cantula fibers which are cut into 10 mm lengths. Composites are made by printing using hot press machines, pressing machines 30 bar, temperature 115 0C for 10 minutes, making composites with 40% fiber volume fraction. After the composite is formed, it is cut into pieces based on flexural test specimens using the ASTM D 6272 standard (127 x 12.7 x 3.2 mm) and ASTM D 5941 (80 x 10 x 4.0 mm) impact test specimens. The specimen is then exposed in an open location so that the specimen is exposed to all environmental effects such as sun exposure, rain and wind. The variation of time duration of exposure is 0, 30, 60, and 90 days with an exposure angle of 50. To find out the surface morphology of the broken specimen, SEM photographs were taken. The results of testing on the composite data obtained that the composite without exposure has a flexural strength of 45.93 N / mm2 and an impact strength of 43.13 Kj / m2. After being exposed to composites, the mechanical properties decreased, the lowest flexural strength decreased at 30 days exposure (2.96% reduction), the greatest decrease in flexural strength occurred at 90 days (decreased 5.39%). The decrease in impact strength due to the lowest exposure occurred at 30 days exposure (decrease of 17.41%), the greatest decrease in impact strength occurred at 90 days exposure (decrease of 64.02%).
Analisa Implementasi Technology Mobile Berbasis Bluetooth Android Untuk Smart Home Taman Ginting; Didik Purwadi
Politeknosains Vol 19 No Edisi Khusus (2020): Jurnal Politeknosains Volume 19 Edisi Khusus - Juli 2020
Publisher : Lembaga Penelitian dan Pengabdian kepada Masyarakat (LPPM) Politeknik Pratama Mulia Surakarta

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Abstract

Bluetooth Android has emerged as a viable choice of technology control for smart home for Light switch control uses an Android Smartphone communication media using Bluetooth. This system control can be used to support human needs in controlling its electronic equipment. This tool uses microcontroller technology, Android smartphones and Bluetooth. Bluetooth was initially developed as a cable replacement technology but properties such as low cost and high availability has led to the development of several control systems relying on Bluetooth signals. The characteristics of the Bluetooth device’s RSSI (Received Signal Strength Indication) value were analyzed in preliminary experiments. The best results of testing of algorithms to generate distance 1m greatest accuracy. From . Bluetooth and Smartphone can be seen that the maximum distance of Bluetooth can be connected without obstacles is 14 meters. The wall barrier has a thickness of 15 cm with a maximum distance of 10 meters. The data shows the level of barrier density affects the connection distance.From the results of the study note the effect on measurements include fingerprint grid size, algorithm and the amount of data from the location of the fingerprint data measurement area. From the results of the study with 10 m2 got 10.6 m results and 20 m2 with the results of 20.04 from the results of measurements and tests, it is known that the results of better light control in the range of 10 m2 or closer to the object / lamp.
Algoritma Fuzzy Analytic Hierarchy Prosess (AHP) Guna Menentukan Re-Order Barang Persediaan di Departement Store Laris Kartasura Sukoharjo Taufik Nurhidayat
Politeknosains Vol 19 No Edisi Khusus (2020): Jurnal Politeknosains Volume 19 Edisi Khusus - Juli 2020
Publisher : Lembaga Penelitian dan Pengabdian kepada Masyarakat (LPPM) Politeknik Pratama Mulia Surakarta

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Abstract

At the beginning, stock management in retails was applied to guarantee the stock always available and ready to sell to the consuments. But at now, stock management to be a critical matter in retails. Together with strict trade competition, the opportunity of stock management applied is changed into planning, doing, and controlling stock need in business. So, the need of operational business can compiled at time and the other side the cost can be pressured.By using stock method that existence now (ABC method) is not giving maximum service yet because there are dependence in season variable and unexpected demand. Therefore a new model of Decision Support System (DSS) that having analytical capability in stock management accurately and efficient is made by Analytic Hierarchy Process (AHP) that based on five influence factor, they are season, profit, price, unexpected demand and volume.The Decision Support System (DSS) produce a software that expected can help to determine priority of the kind of good that must be supplied in next year depend on the volume and time. It is useful to make easier decision that related to stock problem, therefore stock condition at stands of Laris department store always in controlled and the transaction process is going along smoothly.

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