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Conference SENATIK STT Adisutjipto Yogyakarta
Published by Institut Teknologi Dirgantara Adisutjipto
ISSN : 23373881     EISSN : 25281666     DOI : 10.28989/senatik
Core Subject : Science, Engineering,
Aerospace Engineering Computer Science & IT Electrical & Electronics Engineering Industrial & Manufacturing Engineering Mechanical Engineering
SENATIK merupakan jurnal proceeding seminar nasional teknologi informasi dan kedirgantaraan yang dikelola Pusat Penelitian,dan Pengabdian kepada Masyarakat (P3M) Sekolah Tinggi Teknologi Adisutjipto Yogyakarta. Jurnal ini diterbitkan dalam jangka waktu setahun sekali, dalam bentuk off line/ buku cetak dan on line dengan E-ISSN 2528-1666, digunakan untuk publikasi karya ilmiah, peneltian, tesis dan desertasi dari dosen dan calon dosen. Jurnal dari SENATIK ini juga terindeks ke crossref dengan nomor doi 10.28989 sehingga artikel yang dipublikasikan memiliki nilai yang lebih. Sebagai institusi yang memiliki ciri khas kedirgantaraan, maka setiap penerbitan dari proceeding ini akan disertai dengan seminar nasional yang temanya dalam lingkup Teknologi dan Kedirgantaraan. Mulai SENATIK 2018, proceeding akan dicetak menggunakan International Standard Book Number (ISBN)
Arjuna Subject : -
Articles 442 Documents
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Effects of Electrode Movements on Smaw Welding to The Quality of ST-37 Steel Welds Triwibowo, Nur Akhmad; Supriatna, Eka
SENATIK STT Adisutjipto Vol 5 (2019): Peran Teknologi untuk Revitalisasi Bandara dan Transportasi Udara [ISBN 978-602-52742-
Publisher : Institut Teknologi Dirgantara Adisutjipto

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.28989/senatik.v5i0.368

Abstract

Many factors affect the welding results including electrode movement, welding current and electrode type. This study aims to determine the effects of electrode movements on SMAW welding to the quality of ST-37 steel welds. The quality reviewed includes microstructure, tensile strength, yield stress and weld defects. The study used ST 37 Steel  with thickness 10 mm and a size of 100 mm x 200 mm, open V seam with an angle of 600 degree. E 7016 series electrodes had a diameter of 3.2 mm. Welding current 90-92 amperes, polarity DC +, welding voltage 25 volts and travel speed 8-10 cm / minute. Electrode movements variations include straight, zig-zag and spiral movement. The results showed that the micro structure of the Acicular Ferrite (AF) on the electrode spiral movement looks uniform, tight, dominates the area, the spiral movement of the electrode provides the highest tensile strength and the highest yield strength and the electrode spiral movement does not produce welding defects
KAJIAN TEORITIK PENGARUH GEOMETRI DAN BENTUK SUDU TERHADAP UNJUK KERJA TURBIN PROPELLER PRASETYO, ARI
SENATIK STT Adisutjipto Vol 3 (2017): Dukungan Teknologi Untuk Pengembangan Industri Dirgantara Indonesia
Publisher : Institut Teknologi Dirgantara Adisutjipto

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.28989/senatik.v3i0.118

Abstract

AbstractElectrical energy is one of the primary needs of Indonesian society that continues to increase. However, until now most of the electricity needs are still supplied by fossil fuel power plants. The fossil energy dependence affects the high cost of distributing electricity to remote areas. The picohydro power plant using propeller turbines is one solution for remote areas. The purpose of this paper is to conduct a theoretical study to obtain optimal propeller blade design with relatively easy design method. Based on the study results obtained geometry and design of turbine propeller that can produce efficiency 73,9% with head water 1,75 m and flowrate 64 l / s. While the propeller turbine design is the diameter of the turbine 200 mm the number of blades 5, and the inlet runner tip 65 °.
Keywords Search Correction Using Damerau Levenshtein Distance Algorithm Oktaviyani, Enny Dwi; Christina, Sherly; Ronaldo, Deddy
SENATIK STT Adisutjipto Vol 5 (2019): Peran Teknologi untuk Revitalisasi Bandara dan Transportasi Udara [ISBN 978-602-52742-
Publisher : Institut Teknologi Dirgantara Adisutjipto

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.28989/senatik.v5i0.344

Abstract

Searching is one of the important features on the website, but it is not uncommon for users to make typos when typing keywords. Typing errors of these keywords is usually referred to as typo. This study aims to build a system by providing suggestions for correcting typos in the search feature. Keywords search correction are obtained using the Damerau-Levenshtein Distance Approximate String Matching algorithm by to calculate the editing distance of each word in a keywords with each word in the Indonesian word dictionary. Testing was carried out as many as 40 experiments, with 10 keywords and 250 articles taken randomly. The test results show the Damerau-Levenshtein Distance algorithm is able to provide precision and recall values of 91.24% and 89.58% in providing keyword improvement suggestions. With the improvement of the system, each trial increases with precision value of 0.80 and recall value of 0.98
The Effect of Peak Signal to Noise Ratio (PSNR) Values on Object Detection Accuracy in Viola Jones Method Sajati, Haruno
SENATIK STT Adisutjipto Vol 4 (2018): Transformasi Teknologi untuk Mendukung Ketahanan Nasional [ ISBN 978-602-52742-0-6 ]
Publisher : Institut Teknologi Dirgantara Adisutjipto

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.28989/senatik.v4i0.139

Abstract

Image quality is an important parameter in object detection. Image with good quality will produce high accuracy in the object detection process. Image quality is measured using the peak signal comparison of the original image with the interference that occurs in the image. This comparison is formulated with the Peak Signal To Noise Ratio (PSNR). PSNR values obtained from variations in image quality improvements will be seen in its characteristics in object detection methods using the Viola Jones method. The higher PSNR value will definitely produce better accuracy, but improving the image to the best quality will drain resources and a high computational burden so it needs to find a minimum PSNR value that can still be considered good in the object detection process. The minimum PSNR value for the image is said to be feasible to be processed 19.05 dB. The minimum PSNR value before the object can no longer be detected is 12.43 dB.
Multiple Linear Regression Analysis for Identifying the Most Affecting Factor on The Quality of Raw Tea Materials in PT Pagilaran Indrayani, Susi Fatma; Astuti, Marni; Nurdin, Riani
SENATIK STT Adisutjipto Vol 4 (2018): Transformasi Teknologi untuk Mendukung Ketahanan Nasional [ ISBN 978-602-52742-0-6 ]
Publisher : Institut Teknologi Dirgantara Adisutjipto

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.28989/senatik.v4i0.179

Abstract

Most of the black tea production in Pagilaran Batang Production Unit is to meet the demands of consumers from abroad. Because of the abundant requests from abroad, the quality of black tea product must be always controlled, therefore it is necessary to conduct a Multiple Linear Regression Analysis of the tea shoots to find out the most affecting factor of the tea shoots quality so that the quality of contributing factors of highest First Grade black tea product can be identified. The methods used in this study was Multiple Linear Regression Analysis and Multivariate Analysis where the Multivariate Analysis was the Factor Analysis. In addition to determine the regression equation, classical assumption test calculations (normality test and heteroscedasticity test), correlation coefficient, determination coefficient, F hypothesis test and t hypothesis test were administered to find the most affecting  factor of the tea shoots quality. From the results of the analysis and discussion on the calculation of multiple linier regression in each garden (y1, y2, y3) it was obtained that the most affecting factor was fertilizer with a value in Afdeling Pagilaran (y1) of – 1415,934 , Afdeling Andongsili (y2) of – 265,858 and Afdeling Kayulandak (y3) of 225,589. Then on the calculation of multiple linier regression in each garden (y1, y2, y3) after summarizing the variables it was obtained that the most affecting factors in Afdeling Pagilaran (y1) was a Trip Pest with a value of - 53,741 , Afdeling Andongsili (y2) was fertilizer with a value of - 46,301 and Afdeling Kayulandak (y3) was fertilizer with a value of 213,073
The Distribution of Aircraft Passenger Movements on Java Island Using the Gravity Model Gunawan, Gunawan
SENATIK STT Adisutjipto Vol 4 (2018): Transformasi Teknologi untuk Mendukung Ketahanan Nasional [ ISBN 978-602-52742-0-6 ]
Publisher : Institut Teknologi Dirgantara Adisutjipto

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.28989/senatik.v4i0.228

Abstract

The need for movement always causes problems, especially when humans go to the same destination in a certain area at the same time. It is needed to do the analysis of the distribution of aircraft passenger movement in order to provide the required facilities in the future. This research model the distribution of aircraft passenger movements on  Java Island using the Double Constrain Gravity model(DGCR)  with the negative exponential, rank and tanner obstacle function. In this case, it is found that the Double Constrain Gravity Model (DGCR) with tanner obstacle function is the best method due to the smallest standard deviation.  It could be concluded that the DCGR model with tanner obstacle functions is more accurate when compared to the DCGR model with other obstacle functions in estimating the movement distribution in 2025 on Java Island.
PENERAPAN MOTION TWEEN UNTUK ANIMASI DUA DIMENSI RUTE PERJALANAN BUS TRANS JOGJA Nugrahenny, Dwi; Honggowibowo, Anton Setiawan; Mukti, Mega Lesya
SENATIK STT Adisutjipto Vol 1 (2013): Kreativitas Anak Bangsa untuk Kemajuan Teknologi dan Informasi
Publisher : Institut Teknologi Dirgantara Adisutjipto

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.28989/senatik.v1i0.42

Abstract

Transportation  is  one  of  the  important  aspects  in  a  region,  where  public transportation  take  effect  on  the  mobility  of  the  people.  To  achieve  a  good transportation can be create, so that the infrastructure and other supporting factors are  needed. Yogyakarta municipality  area  has  a lot  of  public transportasion,  one  of them  is  “Trans  Jogja”  bus,  where  each  bus  line  has  its  route  to  reach  any destination.  It  is  needed  a  supporting  media  that  can  provide  information  about  the route for each bus line so that people can be easily deciding which bus line that can use to reach their destination. Those information presented in the form of animation with  an  interesting  and  informative  media.  The  use  of  animation  as  an  information media  that  shown  as  a  route  trip,  bus  line  including  bus  stop  and  departing passangers  place  assessed  can  be  use  as  one  of  the  other  option  for  obtaining information except from a conventional map.
Performance Measurement of Customer Relationship Management Using Scorecard CRM ( Case Study of UKM in Bayat Klaten District ) Mauidzoh, Uyuunul
SENATIK STT Adisutjipto Vol 4 (2018): Transformasi Teknologi untuk Mendukung Ketahanan Nasional [ ISBN 978-602-52742-0-6 ]
Publisher : Institut Teknologi Dirgantara Adisutjipto

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.28989/senatik.v4i0.272

Abstract

UKM have an important role in helping the economy in society. One of the UKM that is sufficient to help the economy of the community is Batik UKM. The development of UKM is currently receiving serious attention from various circles, including UKM, the natural coloring batik in Bayat District. This study aims to design measuring the performance measurement of Customer Relationship Management in UKM Batik Pewarna Alam in Bayat. In this design data search is done through literature sources and interviews and questionnaire distribution from respondents. From the search results obtained perspectives and also Key Performance Indicators for each perspective. The perspective and indicators that will be included in the CRM Scorecard are determined using the Analytical Hierarchy Process (AHP) method. The perspective in the CRM Scorecard is Customer Knowledge, Customer Value, Customer Interaction and Customer Satisfaction. Where each perspective has indicators in measuring its success.
Performa Pembakaran Kompor Biogas Menuju Desa Mandiri Energi di Yogyakarta Hariyanto, Kris
SENATIK STT Adisutjipto Vol 2 (2016): Peran Teknologi dan Kedirgantaraan Untuk Meningkatkan Daya Saing Bangsa
Publisher : Institut Teknologi Dirgantara Adisutjipto

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.28989/senatik.v2i0.58

Abstract

Biogas is an alternative energy sources as a substitute for fossil fuels in household activities daily, but there are obstacles in the use of biogas, namely the difficulty of arranging a flame that is stable and fuel consumption relatively less efficient biogas. So it takes a design development system that will produce a burning stove produces biogas-fueled stove fits the purpose of research, on the other hand biogas stove should be simple, cheap production price, maximum efficiency and safe to use. Stages in the study include: desk assessment, creation of objective requirements desing, manufacture conceptual and basic design, manufacture real stove. As for knowing the performance of the stove carried ujji stove performance are: test flame stability and efficiency. The results showed that the efficiency of the biogas stove design results in only 31 percent higher than the efficiency of biogas stoves old design, while the fuel consumption of biogas stoves new design is 16 percent lower when compared with fuel consumption of biogas stoves old design. In terms of manufacture and ease of repair and maintenance of gas cookers new design is more easily repaired and easy to make and simple in form compared with the old design biogas stoves. Keywords— design, efficiency, biogas stoves, fuel consumption
Effect of Welding Current on Mechanical Properties of Aluminum Alloys in Dissimilar Joint by GTAW Process Riswanda, Riswanda; Sugianto, Sugianto
SENATIK STT Adisutjipto Vol 5 (2019): Peran Teknologi untuk Revitalisasi Bandara dan Transportasi Udara [ISBN 978-602-52742-
Publisher : Institut Teknologi Dirgantara Adisutjipto

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.28989/senatik.v5i0.318

Abstract

Welding technique is one of the process connection metal in the manufacturing industry. Aluminum alloys have several advantages including: light, good electrical and corrosion resistant properties. Welding application of  dissimilar aluminum alloys with the  5083 and 6061-T6 series such as building structures, bridges, railroad frames, ships and oil platforms. The joining of dissimilar aluminum alloys by welding technique is difficult because the metal has different thermophysis properties. The study aimed of this research to analyze the mechanical properties of variation welding current on joint area GTAW. Visual observation shows that the joint specimen with the low current (100 A) has low penetration in welding groove, whereas at the high current (140 A) undercut occurs on the side of the weld seam, there are spatter and deposits (excessive added material). The hardness test with the current 120 A shows the regular distribution and has the highest tensile test of 201 MPa.

Page 28 of 45 | Total Record : 442

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