Conference SENATIK STT Adisutjipto Yogyakarta (Seminar Nasional Teknologi Informasi dan Kedirgantaraan)
Not a member yet
193 research outputs found
Sort by
ANALISIS TATA LETAK FASILITAS DENGAN MENGGUNAKAN METODE ACTIVITY RELATIONSHIP CHART PADA INDUSTRI MEBEL BAMBU KARYA MANUNGGAL YOGYAKARTA
No full textPlant layout or facilities layout is to fix regulate facilities layout with consider material handling flow. In this research on Bamboo Furniture Industry Karya Manunggal Yogyakarta show less precisely placement of production facilities and flow material resulting in the total distances of material handling becomes long and induce the total cost of material handling becomes high.Improvement of facilities layout performed with qualitative methods ARC (Activity Relationship Chart). This matter do for obtain a new layout with minimum total distances of material handling and minimum total cost of material handling. In this research use POM QM Software for validating total distances of material handling.Analysis result and designing facilities layout is a new layout with Rectilinear Distance method, The initial movement distances is 1.922,9 m become 1.832,35 m or have a reduction distances 4,94 % from initial layout. While for the initial total cost of material handling is Rp 200.135,6 become Rp 199.745,9 or have a reduction cost 0,19% from initial layout. Existence a new layout based on ARC be expected on the production floor of Bamboo Furniture Industry Karya Manunggal Yogyakarta
PEMBANGKITAN ENERGI LISTRIK PADA BATERAI UDARA DENGAN BAHAN KARBON AKTIF DAN ELEKTROLIT AIR LAUT
No full textPengembangan teknologi baterai selalu dikembangkan selama beberapa tahun terakhir. Baterai yang beredar dipasaran saat ini adalah baterai basah dan baterai kering.Baterai basah yang banyak digunakan untuk accu mobil dan sepeda motor. Baterai kering banyak digunakan pada baterai untuk senter, radio, jam dinding dan lain-lain. Perkembangan kebutuhan untuk menciptakan baterai yang ramah lingkungan dan mempunyai energi yang cukup besar maka perlu dicari solusinya.Salah satu solusi yang sedang dikembangkan saat ini adalah terciptanya baterai udara. Prinsip kerja baterai udara adalah mengambil sebagian udara sekitar yang kontak langsung dengan katoda karbon aktif sehingga molekul-molekul udara tersebut akan bercampur dengan cairan elektrolit pada baterai dan menghasilkan tegangan dan arus listrik setelah katoda terhubung dengan anoda menggunakan aluminium foil. Penelitian ini menggunakan massa serbuk karbon aktif 1250 miligram dan luasan aluminium foil 36 cm2 . Cairan elektrolit yang digunakan adalah air laut. Hasil pengukuran yang diperoleh menggunakan alat multimeter. Pengukuran Tegangan rata-rata adalah 0,781 Volt, Arus rata-rata adalah 1,043 mA dan Daya listrik yang dihasilkan sebesar 8,148 mW
ANALISIS BEBAN PENGGUNA PADA TELETRAFIK INTERNET STTA MENGGUNAKAN SISTEM SHARING
No full textInternet needs in education has become a basic requirement, whether it is for faculty, students, complementary components of universities such as bureaus, public relations, TU, and non-academic staff. As the number of Internet users continues to increase, especially in educational institutions, including STTA’s, an observation of the STTA Internet network data stream is conducted. A parameter to be observed is user's load, as it affects the quality of services that will be generated by the STTA Internet Network.This research provides an analysis to measure the size of user load as well as to know the amount of loss so that it can be a reference in subsequent research to reduce the amount of loss in order to fit in the good category traffic. Model sharing system is used to describe traffic data both elastic and stream at flow level.Observation results show that the average arrival rate of STTA is 11 kbps with average service rate of 59 kbps. This research uses the measured throughput of 86 Mbps. Throughput is calculated from the total number of bits of a successful packet arrivals per second via a network system. With the Internet link capacity of 100 Mbps STTA, after the analysis by the method of sharing system, it is seen that the traffic flow loss is 16%. From this traffic flow loss value, it can be concluded that the STTA’s Internet is include in medium category
Pendekatan Lean Six Sigma dan Taguchi untuk Mengatasi Masalah Pengemasan dan Pemasaran Produk Wedang Uwuh Instan Sruput
No full textWedang Uwuh Instan Sruput is one of the business unit of Industrial Engineering Program,Faculty of Engineering,Universitas Sarjanawiyata Tamansiswa Yogyakarta.Wedang Uwuh Sruput is an innovative manufacture of wedang uwuh into instant from the original form of whole and raw spices.The resulting product results sometimes have different quality/taste in each production process.The purpose of this research is to improve product quality of Wedang Uwuh Instan Sruput,improve the composition of herb wedang uwuh product,improve the concept of packaging and improve the marketing of the wedang uwuh products.The object of this research is Wedang Uwuh Sruput Prodi Teknik Industri UST.The materials used are instant wedang uwuh maker such as ginger,clove leaf,cinnamon leaf, secang wood,cloves,lemongrass,sugar and water.Identification is done on factors that affect product quality in order to create the same product in the market.The experiment was conducted by performing several times of Wedang Uwuh Sruput production with several variations of composition/formula using Taguchi method to maintain product consistency and quality.In this experiment there are 4 factors(sugar,ginger,water and secang)with 3 level design,that is 2,8 kg;2.9 kg and 3.0 kg for sugar,1.0 kg;1.2 kg and 1.4 kg for ginger,water is 5.0 L;5.2 L and 5.4 L,while the secang is 200 gr,210 gr,220 gr.The difference of the output of Wedang Uwuh Sruput is caused by the difference of sugar content,the difference of ginger content,the difference of the amount of water and the difference of the number of secang used,the use of different raw material specification,the length of production process is not same and the production process is still manual.The result shows that Waste which has the highest weight is waiting with the value of 0.252 at rank 31.Then the calculation of sigma value at early check is at the level of 3,001 sigma and final check at 2,455 sigma level.From the calculation of sigma level can be seen that the level of quality in Business Unit Wedang Uwuh "Sruput" is still far from lean six sigma target.Therefore,the advice given to the Business Unit Wedang Uwuh "Sruput" in the form of corrective actions that have been analyzed in this study.It was found that the most appropriate composition based on consumer preferences was Sugar 2.9 kg;Ginger 1.4;Water 5 L; and Wood Secang 200 gr. Keywords: Lean Six Sigma, Taguchi, Packaging, Marketing, Wedang Uwuh Instan Srupu
SHOT PEENING MESIN OTOMATIS PADA MATERIAL PESAWAT TERBANG AL 7050-T7651 MENURUNKAN LAJU PERAMBATAN RETAK FATIK DIBANDING SHOT PEENING MESIN MANUAL
No full textPerlakuan permukaan shot peening paling banyak diaplikasikan untuk meningkatkan ketahanan fatik dan korosi pada konstruksi pesawat terbang. Penelitian ini bertujuan untuk mempelajari pengaruh shot peening mesin otomatis terhadap laju perambatan retak fatik pada material Al 7050-T7651 serta membandingkannya dengan shot peening mesin manual.Spesimen dibentuk sesuai dengan standar ASTM E647, diidentifikasi dengan nama base metal shot peened– automatic machine (BMSPA). Proses perlakuan shot peening dilakukan di area surface treatment PT. Dirgantara Indonesia menggunakan mesin otomatis. Selanjutnya pengujian perambatan retak fatik dilakukan dengan mesin Servopulser di Lab. Bahan Teknik Jurusan Teknik Mesin UGM, dengan beban sekitar 11% dari tegangan tarik maksimum (spesimen standar ASTM E8M) yang dihubungkan dengan analisis beban kombinasi, dengan stress ratio R=0,1. Data hasil uji tersebut diolah menggunakan metode incremental polynomial untuk mendapatkan hubungan da/dN - ΔK. Hasil uji perambatan retak fatik menghasilkan angka konstanta Paris A=1,874×10-8dan n=1,06 jika dibandingkan hasil penelitian sebelumnya untuk spesimen AR as received material-tanpa perlakuan dengan A=1,288×10-9dan n=2,02; dan BMSP base metal shot peened-manual machine dengan A=1,286×10-9 dan n=2,01. Semakin rendah nilai konstanta Paris, menunjukkan semakin rendahnya laju perambatan retak fatik. Sehingga perlakuan shot peening dengan mesin otomatis lebih mampu menurunkan laju perambatan retak fatik daripada mesin manual atau tanpa perlakuan.
KAJIAN TEORITIK PENGARUH GEOMETRI DAN SUDUT KEMIRINGAN TERHADAP KINERJA TURBIN ARCHIMEDES SCREW
No full textThe need for electrical energy is increasing every year. The present electrical energy remains largely dependent on fossil energy and can not be renewed. Indonesia is one of the countries rich in renewable energy potential. The abundant energy in Indonesia is water energy as a mini / microhydro scale generator. The development of hydro power is to utilize the potential energy flow of water that has certain head and debit. Then the potential energy is converted by turbine and generator into electrical energy. The purpose of this paper is to conduct a theoretical study to design the optimal angle of archimedes screw with a relatively easy design method. Based on the results obtained geometry and arch angle archimedes screw design with 0.050 m external diameter, 0.030 m internal diameter 0.055 m and slope angle (α) 450 generates shaft power of 5.11 Watt at 50 rpm rotation capable of producing efficiency 89% with head 1 m and debit 0.5 m / s
SELEKSI TANAMAN UMBI-UMBIAN BERDASAR ZAT KIMIA LAHAN MENGGUNAKAN ALGORITMA GENETIK (STUDI KASUS:DI KABUPATEN BANTUL)
No full textThis study aims to improve the economic value of farmers' land in the district of Bantul, so that the land has a higher economic value with the appropriate plants. Many farmers are still using self-learning and experience from generation to generation in determining the pattern of plant species, so that the harvest not optimal. So we need a system that can help farmers to determine the type of tuber plants suitable for chemical substances land. The research was conducted in Bantul District for data collection in the field. The results of data collection in the field can be a benchmark for the decision of farmers to determine the type of tuber plants to be planted based on the criteria of soil nutrition. Criteria is a barometer determining the type of tuber is KTK, O, Ca, C / N, Magnesium, Carbon. This research uses genetic algorithm. The results showed that the best tuber plant rank in Bantul Regency was the first rank of red onion, followed by garut bulbs, sweet potato and root talas. Genetic algorithm can be applied for tuber selection in Bantul regency, but has a weakness because it is probabilistic
LITERASI MASYARAKAT TERHADAP PENYEBARAN BERITA-BERITA VIRAL INTERNET DAN HUBUNGANNYA DENGAN KETAHANAN NASIONAL
No full textSTTA is an academic institution, because of the resion important to research in this institution. The research has aim to known literacy profile in academic society . Focus this research is information in internet or social media and reseliance.This research is a descriptive. The research focused in social media viral news with the reseliance. Sample of the research with the purposive cluster sampling, with the student STTA is a sample. Department is a cluster. Quesioner and writing tes is an instrument.From the data there are many conclution. Improved of information literacy is important to the responden.The benefit from the data, we can knows that information can be fast to transmited. The information can be viral information. But the hoax information can be froud in the society. Thishoax information can be danger to the nasional resilience.
Animasi 3D Rute Jalur Bus Trans Jogja Trayek 1A Dan 3A Berbasis Android
No full textThe increase in the number of foreign tourists who are interested in visiting DIY significantly because this region has various world-class attractions, one of which is Malioboro. Currently, tourist infrastructure such as road access, transportation, and revitalization Malioboro has been built so as to facilitate the tourists and local tourists to travel to Malioboro. Transportation facilities that facilitate the tourists one of them is Trans Jogja bus. Trans Jogja bus route that supports transportation from the airport to Malioboro is Trans Jogja bus with route 1A and route 3A so that needed a medium that can give information of bus route of Trans Jogja from Airport to Malioboro and vice versa. The media in the form of three-dimensional animation based on mobile android that can be more informative, making it easier for tourists to understand the route of Trans Jogja bus route. Making interactive media using 3ds max software with motion tween animation concept. the design and concept is then implemented in the form of animated movie. Application testing using black-box testing method. the results of the test show that the application is running well, the button on the application can be used, the route shown in accordance with the conventional map and can show the routes of bus routes according to the route used
KAJIAN TEORITIK PENGARUH GEOMETRI DAN BENTUK SUDU TERHADAP UNJUK KERJA TURBIN PROPELLER
No full textAbstractElectrical 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 °