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Conference SENATIK STT Adisutjipto Yogyakarta

senatik
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Published by Institut Teknologi Dirgantara Adisutjipto

ISSN : 23373881 EISSN : 25281666 DOI : 10.28989/senatik

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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Engineering Setting on Traffic Lights Based on Number of Vehicles with Fuzzy Logic Algorithm Iswanjono, Iswanjono; Putri, Regina Chelinia Erianda; Adiyanto, Ignasius Tegar
SENATIK STT Adisutjipto Vol 4 (2018): Transformasi Teknologi untuk Mendukung Ketahanan Nasional [ ISBN 978-602-52742-0-6 ]
Publisher : Sekolah Tinggi Teknologi Adisutjipto

At crossroads there is often a queue of vehicles that are not evenly distributed in each branch, but the length of the green light remains (not adaptive). So prototype was made to regulate the green light based on the number of vehicles with the help of the Fuzzy Logic Algorithm. Beginning with the next fuzzification stage with the help of the rule base to the defuzzification stage which produces a long green light. The results of the study, Fuzzy Logic algorithm can set the length of green light for each branch based on the number of vehicles. If a branch has more vehicles than other branches, the length of time for the green light on the branch is longer than the other branches. The percentage of error testing with theoretical calculations is 0.05% and the percentage of success is 99.95%.

Predicting Stress Intensity Factor (KI) of Single Edge Crack Using Displacement Extrapolation Method Firmansyah, Hendrix Noviyanto
SENATIK STT Adisutjipto Vol 4 (2018): Transformasi Teknologi untuk Mendukung Ketahanan Nasional [ ISBN 978-602-52742-0-6 ]
Publisher : Sekolah Tinggi Teknologi Adisutjipto

Cracks that occur in the structure will be very dangerous if left alone. Cracks can propagate and will eventually cause the structure to fail. Cracks that occur will cause singularity at the end of the crack, and the stress level is very high or reaches without limit (infinity). Stress intensity factor (SIF) is used to determine behavior of structures with crack. One of method that can predict SIF is displacement extrapolation method. Displacement extrapolation methods predict SIF by nodal displacement near end of crack. This research is to predict SIF of a thin plate with a single edge crack of 1.27 mm. The crack mode used in this research is mode I (opening mode) with a tension stress of 60 MPa. Nodal displacement for calculating SIF is taken from result of analyzing the cracked model using Patran / nastran. SIF prediction result from displacement extrapolation then to be compared with the results of analytical calculation.

Initial Modelling of Bird Strike by Numerical Simulation in Varied L/D Ratio of Bird Geometry H, Simon Shindu; Sitompul, Sahril Afandi; Yuniarti, Endah
SENATIK STT Adisutjipto Vol 4 (2018): Transformasi Teknologi untuk Mendukung Ketahanan Nasional [ ISBN 978-602-52742-0-6 ]
Publisher : Sekolah Tinggi Teknologi Adisutjipto

This research studies influence of bird geometry on impact pressures during bird strike, namely Hugoniot and Stagnation pressure through initial modelling by numerical simulations. Bird geometry is capsule or cylinder with hemisphere end. The geometry is simulated with different L/D ratio, 1.4, 1.6, 1.8 and 2.0. Elastic-plastic hydrodynamic material model is used in simulation. Bird model simulation are using lagrangian method and initial velocities are 200 m/s. The results show variation of L/D ratio provide Hugoniot pressure 10-19 times higher than stagnation pressure in L/D = 1.4, 8-18 times in L/D = 1.6, 9-17 times in L/D = 1.8 and 4-16 times in L/D = 2. Hugoniot pressures show higher in ratio L/D = 1.8 and lower in ratio L/D = 1.6. Stagnation pressure show higher in ratio L/D = 2.0 and lower in ratio L/D 1.4.

Controlling and Detection of Public Street Light Using Wireless Connection Herpurnomo, Adnantio; Suwarno, Djoko Untoro
SENATIK STT Adisutjipto Vol 4 (2018): Transformasi Teknologi untuk Mendukung Ketahanan Nasional [ ISBN 978-602-52742-0-6 ]
Publisher : Sekolah Tinggi Teknologi Adisutjipto

The public street light used to create good conditions for road users. The public street lamps must continue to be maintained to keep working properly. Currently, maintenance of street lighting is still done manually. In this research, a system was designed and implemented to detect lamp damage and control lights remotely using the WeMos D1 microcontroller. This system uses two LDRs as sensors and relays to activate the lights. The first LDR is used to detect ambient light. The second LDR is used to detect lamp conditions. Light control and detection use internet wireless networks and WeMoS D1 as a web server. The system can turn on and turn off the lights automatically, detect the condition of the lamps, and show the intensity of the light environment. Distance to control via a wifi hotspot using a computer is 72m and 20m for a mobile phone.

Development Textbooks E-Commerce for Growing Entrepreneurship Skills Sigitta, Rito Cipta; Prasetyono, Rizki Noor
SENATIK STT Adisutjipto Vol 5 (2019): Peran Teknologi untuk Revitalisasi Bandara dan Transportasi Udara [ISBN XXX-XXX-XXXXX-
Publisher : Sekolah Tinggi Teknologi Adisutjipto

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.28989/senatik.v5i0.336

In the digital and disrupt era 4.0 requires innovation in meeting human needs, especially in commerce. The purpose of this study is to increase student interest in entrepreneurship through e-commerce textbooks. This research is a research and development research with ADDIE model. Product validity data collection using questionnaires and tests to find out the increase in entrepreneurship. The results of data analysis and discussion can be concluded that from the development of e-commerce teaching materials validation of material experts, media experts and peers shows that products in the excellent category are appropriate to use. Small group product trials obtained an ideal percentage of 85.2% and were categorized very well. The results of the analysis of increasing entrepreneurial skills from the use of e-commerce teaching materials obtained an N-Gain value of 0.45, indicating that e-commerce development to improve entrepreneurship capacity is effective and appropriate for use in the learning process.

Development of Finger Scanner Integrated Absention Web Application in Astra Manufacturing Polytechnic Ariyanto, Sisia Dika; Fariani, Rida Indah; Goffar, Eko Abdul
SENATIK STT Adisutjipto Vol 5 (2019): Peran Teknologi untuk Revitalisasi Bandara dan Transportasi Udara [ISBN XXX-XXX-XXXXX-
Publisher : Sekolah Tinggi Teknologi Adisutjipto

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.28989/senatik.v5i0.369

Astra Manufacturing Polytechnic is educational institution under the auspices of PT Astra International (Astra Group) which has total of approximately 700 students. Industrial culture is adopted by applying discipline in the form of attendance. Students who do not arrive on time will be charged Minus Hours. Students do attendance with attendance cards and recapitulated by each study program admin and takes 700 minutes (all study programs) every week to produce minus hours as calculation of student errors. Many students are cheating in the attendance process. Because attendance cards can be deposited to other students. To overcome this, the attendance method was replaced by initially using machine and attendance card with finger scanner and integrated finger scanner integrase application with sql server database. So hopefully cheating and recapitulation time can be eliminated. In the implementation of this research extreme programming is used as software development methodology. After implementation of the application is able to eliminate 700 minutes and eliminate the use of attendance cards.

Analysis of Work Posture Based on Quick Exposure Check & Manual Task Risk Assessment Method Kristiana, Stefani Prima Dias; Tania, Fransisca
SENATIK STT Adisutjipto Vol 5 (2019): Peran Teknologi untuk Revitalisasi Bandara dan Transportasi Udara [ISBN XXX-XXX-XXXXX-
Publisher : Sekolah Tinggi Teknologi Adisutjipto

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.28989/senatik.v5i0.316

Manual material handling (MMH) is one of the most vulnerable forms of activity with the emergence of risk of injury to the body, for example musculoskeletal disorders (MSDs). This study aims to analyze the work posture carried out by workers at PT. Multitech Advanced Printing Indonesia on the work of moving raw materials. The work includes a series of activities, namely lifting, carrying, and lowering. Of the three activities, lowering was chosen as the most potentially dangerous for workers. This study uses the Quick Exposure Check (QEC) method and Manual Task Risk Assessment (ManTRA) to assess the risk of work injury. Based on the results of the QEC method, the value obtained is 59.88% while the ManTRA method gives the highest value of 2 points from the three conditions for the improvement work posture. Both methods assess work posture as dangerous becauses of the bending position of the back

External Corrosion Of Pipe Riser API 5L X52 On Tidal Zone Of Offshore Production Platform Khoirudin, Wakhid Yani; Suyitno, Suyitno
SENATIK STT Adisutjipto Vol 5 (2019): Peran Teknologi untuk Revitalisasi Bandara dan Transportasi Udara [ISBN XXX-XXX-XXXXX-
Publisher : Sekolah Tinggi Teknologi Adisutjipto

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.28989/senatik.v5i0.363

External corrosion on mature oil and gas field installation very challenging issues. External corrosion of pipeline riser on tidal zone is the most case for pipeline corrosion [2]. API 5L X52 is familiar pipeline for offshore oil and gas production facilities. Pipeline riser external corrosion on tidal zone have some consequences, time constrain related tidal cycle, production loss, oil spill impact to company reputation, costly maintenance. This research intended to find out effect of tidal cycle and salt water salinity to the rate and type of corrosion on API 5l X52 pipeline riser. Tidal cycle is modeling by wet and dry coupon on salt water. Corrosion rate measure by weight loss coupon. Corrosion product examine by XRD. Chloride contents and oxygen dissolve combination resulting maximum corrosion rate. Oxygen dissolve is main factor to corrosion on salt water. Maximum oxygen dissolve on salt water concentration 3.5% wt. On high salinity salt water corrosion rate depend oxygen dissolve [2]. Tidal cycle has impact to corrosion rate. General corrosion type happen on all coupon with corrosion product component Fe2O3, Fe3O4 examined by XRD.

Improving The Quality Of Manufacturing Products With The Application Of Lean Six-Sigma Harisupriyanto, H; Prasetiawan, Yudha; Rahma Supri, M Ferdian
SENATIK STT Adisutjipto Vol 5 (2019): Peran Teknologi untuk Revitalisasi Bandara dan Transportasi Udara [ISBN XXX-XXX-XXXXX-
Publisher : Sekolah Tinggi Teknologi Adisutjipto

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.28989/senatik.v5i0.297

Product quality is an important factor that underlies the consumer's decision to choose the desired product and service. Quality can initially be determined by the company, but in subsequent developments, quality planning must pay attention to the wants and needs of consumers. In providing excellent service to customers, the company needs to apply the concept of lean thinking, intending to reduce waste. A methodology is needed that can reduce product variations and production process errors with the Six Sigma methodology. The second application is often called Lean Six Sigma. This paper aims to improve the quality of fluid carrier tank products. The number of defective products, mainly on welding, cutting and bending process, so rework is needed that causes companies to suffer losses. The company expects to reduce product defects by less than 5%. The welding, cutting and bending process are the highest contributor to defective products, so that process improvement is limited to these processes. The process of welding, cutting and bending process is considered a major problem, so the main concern for quality improvement is for the main problem. Sigma, the initial welding, cutting and bending process in a sequence is quite good. The target to be achieved is to increase the sigma value of both processes. The alternative is chosen, namely creating and supervising SOPs, and training to improve the skills, knowledge, and abilities of each employee. These alternatives can increase the sigma value from the initial conditions from 2.93 to 3.20. The increase in sigma value indicates a decrease in the level of defects per million opportunities (DPMO).

Analysis of A Business Feasibility Study Using A Business Model Canvas For The Establishment of A Subsidiary in the Training Provider Field Mukhibbin, Ahmad; Astuti, Marni; Poerwanto, Eko
SENATIK STT Adisutjipto Vol 5 (2019): Peran Teknologi untuk Revitalisasi Bandara dan Transportasi Udara [ISBN XXX-XXX-XXXXX-
Publisher : Sekolah Tinggi Teknologi Adisutjipto

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.28989/senatik.v5i0.370

PT. XYZ is a company engaged in aircraft MRO (Maintenance, Repair and Repair) services by providing integrated solutions for all of its customers. Unit Learning Services at PT. XYZ has the task of organizing education and training. In accordance with the plan of PT. XYZ, Learning Services Unit is focused on preparing to spin off to become a subsidiary engaged in the Provider of Training. This study aims to determine what kind of subsidiary business model will be created using the canvas business model and conduct a business feasibility study, whether it is feasible or not. The results of this study are based on the canvas business model which has the following proposition values: (1) Highly qualified instructors with years of experience in aircraft maintenance; (2) Aircraft access for training; (3) Spacious classrooms including ACT instructors for Airbus qualified training classes; (4) Adjustable training for customer needs; and based on aspects that are processed for the establishment of a subsidiary is declared feasible.

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Contact Name Hero Wintolo

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Contact Name
Hero Wintolo

Contact Email
herowintolo@stta.ac.id

Phone
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Journal Mail Official
senatik@stta.ac.id

Editorial Address
-

Location
Kab. bantul,

Daerah istimewa yogyakarta

INDONESIA