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INDONESIA
Angkasa: Jurnal Ilmiah Bidang Teknologi
Published by Institut Teknologi Dirgantara Adisutjipto
ISSN : 20859503     EISSN : 25811355     DOI : 10.28989/angkasa
Core Subject : Science,
Computer Science & IT
Arjuna Subject : -
Articles 281 Documents
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FILTER ADAPTIF GPS PADA SISTEM DOWNLINK DATA Basukesti, Agus; Adiputra, Bangga Dirgantara
Angkasa: Jurnal Ilmiah Bidang Teknologi Vol 8, No 2 (2016): November
Publisher : Sekolah Tinggi Teknologi Adisutjipto

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Abstract

GPS (Global Positioning System) is a system used for navigation and positioning with the help of 32 satellites that orbit the earth. GPS satellites emit radio waves to activate the GPS receiver on the Earth to determine the exact location, speed and time for all weather conditions. Currently, GPS has a vital role in navigation drone. However GPS have a lot of noise, it is necessary to overcome the noise filter on the GPS. In this research conducted a simulation of adaptive algorithm in extracting data from the GPS sensor. The method in this research is the Kalman Filter. From the identification and simulation can be concluded that the adaptive algorithm is designed to work well and need to be implemented on the downlink system. The simulation results showed that the error of algorithm has convergent properties are increasingly shrinking.
RANCANG BANGUN SISTEM INFORMASI OBYEK WISATA BERBASIS WEB MENGGUNAKAN METODE USER CENTERED DESIGN (UCD) Yuliani, Oni; Prasojo, Joko
Angkasa: Jurnal Ilmiah Bidang Teknologi Vol 7, No 2 (2015): November
Publisher : Sekolah Tinggi Teknologi Adisutjipto

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Abstract

The development of todays technology has been developing very rapidly and carry a very big change because with the technology information can be obtained quickly, accurately and not limited by time and place. One o f the growing sectors in technology development is in the field of tourism which contributes to distribute information about the attractions more interactive, especially through Internet technology. Yogyakarta has a variety of tourist attractions that are so beautiful, but not many people know the various tourist attractions in the area. Information on tourist places will be known if given a forum to exchange information on the matter in the form of a website. In order to generate tourism website in accordance with the wishes of users, the necessary methods of User Centered Design (UCD) based to the user. It is intended to provide information for tourists so it will be easier to plan excursions according to what they want without hesitation choose the desired attraction. Tourism information system was built using PHP as a programming language and MySQL as a database manager. This information system design using the UCD that engage users by providing input in the form of a questionnaire. This information system contains the profiles sights, means of transportation used and distance traveled. Other facilities that can be enjoyed for information about travel agents who can serve a trip out of town, and the inn (hotel). To implement this system needs the previous test program testing and system testing and then be evaluated. The information system created is a system that is capable of displaying objects on the map and provide information on the map if the object is selected, the user can view more detailed position of an object to be searched. For site owners can perform additional object data without having to perform the construction site from scratch, in this case both the data on a map or information. By making this system the objects displayed on the map always updates that facilitate and assist the user in doing excursions in Yogyakarta.
PEMANFAATAN KOLEKTOR SURYA SEBAGAI ENERGI ALTERNATIF DESALINASI AIR LAUT UNTUK MENGATASI KRISIS AIR BERSIH Setiabudi, Dedet Hermawan; Khudhori, Muhrom
Angkasa: Jurnal Ilmiah Bidang Teknologi Vol 7, No 2 (2015): November
Publisher : Sekolah Tinggi Teknologi Adisutjipto

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Abstract

This research examined the effect of air velocity and the efficiency of double-pass flat plate solar air heater with two glass covers on the performance of solar desalination unit based on heat pump with using humidification and dehumidification processes. This unit consists of a heat pump, humidifier, dehumidifier, and double-pass flat plate solar air heater with two glass covers. The research was conducted in an indoor experiment. Solar energy generated from solar simulator using halogen lamps. In this research the air flow rate was varied at 3 metres per second, 4 metres per second, 5 metres per second, and 6 metres per second, while the intensity of solar radiation at 828 Watts per meter squared. At each variation in air velocity, sea water temperature was conditioned at a constant temperature of 45 degrees celcius, the compressor was operated at a constant rotation of 900 rpm, volumetric flow rate of sea water inlet 300 liters per hour into humidifier and sea water in this system was re-circulated. The research result showed that the volume of fresh water production increases with increasing air velocity inlet into humidifier. This solar desalination unit could produce fresh water maximum 2470 milliliters per hour in air velocity 6 metres per second.
PERANCANGAN DAN PEMBUATAN PROTOTYPE SHANK PROSTHESES KAKI BAGIAN BAWAH LUTUT Prakoso, Agung
Angkasa: Jurnal Ilmiah Bidang Teknologi Vol 8, No 2 (2016): November
Publisher : Sekolah Tinggi Teknologi Adisutjipto

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Abstract

The existence o f fe e t as the part of the human body is very important to support the daily activities which is to support the body and to walk. The lost of the under knee part (amputation) is the dominant case of the total cases of amputation in Indonesia. So that we need a tool to restore the balance of the human body to be able to do our daily activity. The tool is called prostheses. The design and manufacture of prototypeshank prostheses under knee is intended for persons who have 162 cm height and 57 Kg of average weight. Prostheses are aimed to the persons who only lost one limb below the knee. In this design, the length of the shank can be set according to the length of leg amputated and is intended to persons who are still experiencing high growth (teenager). The material is stainless steel 316L. The shank has a length 200-300 mm, width 67 mm and 2 mm thick.
PENERAPAN EDUGAME INTERAKTIF UNTUK PENGENALAN PAKAIAN ADAT NASIONAL INDONESIA Nugraheny, Dwi; Destiranti, Ayuningtias
Angkasa: Jurnal Ilmiah Bidang Teknologi Vol 8, No 1 (2016): Mei
Publisher : Sekolah Tinggi Teknologi Adisutjipto

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Abstract

Interactive Edugame is an educational media are widely used in today, with interesting visualization, so that the public easily identify the information submitted. Interactive Edugame introduction o f the National Indigenous Apparel Indonesia can be a medium of learning and creativity, so that is making user easier to understand the National Indigenous Apparel. Interactive Edugame developed using Adobe Flash and action script programming language. The results already obtained from tests using questionnaires and calculated the Likert method is 74.1 percent, it can be concluded that the application interactive edugame introduction o f the National Indigenous Apparel Indonesia entered good criteria.
DESIGN AND DEVELOPMENT OF HUB AND NACELLE STRUCTURE STRUCTURES FOR WIND TURBINE APPLICATIONS firmansyah, hendrix noviyanto; sudarmanto, Sudarmanto sudarmanto
Angkasa: Jurnal Ilmiah Bidang Teknologi Vol 10, No 1 (2018): Mei
Publisher : Sekolah Tinggi Teknologi Adisutjipto

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Abstract

Wind turbine is one of the technology to produce elctricity. Wind turbine consists of wind blade, nacelle, hub and tower. Hub is the structure which connect wind blade to the shaft of the generator to generate electricty.Nacelle is the structure that cover the generator from its environment. Nacelle is not design for strength, so there in no stress analysis for this structure. The purpose of this research is to design and make prototype for hub and nacelle. There are three models for hub, slot model (2 design) and lap joint design, and 1model for nacelle design. hub is selected by the simplicity of process of production and assembly, and by stress analysis. Then the lap joint design is the selected one, so that will be make for prototype. The prototype is made of composite sandwich structure, which is teak wood as its core. The composite sandwich structures is designed for its stiffness criteria.
ANALISIS FLIGHTDATA RECORDER KECELAKAAN PESAWAT TERBANG A320 UNTUK MENDAPATKAN STALL SPEED DAN PROSES REKONSTRUKSI KECELAKAAN MENGGUNAKAN SOFTWARE FLIGHTSCAPE Cahyono, Mohammad Ardi; Pandie, Andry Renaldy
Angkasa: Jurnal Ilmiah Bidang Teknologi Vol 9, No 1 (2017): Mei
Publisher : Sekolah Tinggi Teknologi Adisutjipto

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Abstract

Aircraft is transportation mode which in it operation refer to all operation procedure be valid. Although that, accident probability will be occur. To help human/analysts to find out and learn more about aircraft accident causes then black box installed in aircraft. Parameters which recorded by black box still in bynari data type, so it must to be processing using Flightscape software and Google Earth application in order to represented and understood by analysts to help analysis process. It so happens, main purposes from this research are to know stall speed value from aircraft A320 which analyzed. Methods which used to finished this research that is simulation method in Flightscape to get video/animation o f flight accident reconstruction, and analysis method as manually to get stall speed o f aircraft.Based on analysis result, be obtained that aircraft stall speed value is 348,0942 kts (when first stall warning) and 150,8151 kts (when three secons before crash).
PEMANFAATAN TEKNOLOGI WEB SERVICE UNTUK INTEGRASI SISTEM LAYANAN MATERI PELAJARAN TERDISTRIBUSI AyuningTyas, Astika; Ashari, Ahmad
Angkasa: Jurnal Ilmiah Bidang Teknologi Vol 8, No 1 (2016): Mei
Publisher : Sekolah Tinggi Teknologi Adisutjipto

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Abstract

The program is implemented by the National Agency of Standardization Education (BSNP) in principle requires the students participation in the information of various media, one of which comes from the Internet. The role of the school, especially teachers by providing a source material is also very necessary. The more resources available subject should be one of the students notes of support factors. Digital training network creative services can be an effective learning tool. Digital materials services can be used to connect between the school as a hardware provider, so that information systems can be integrated with each other learning materials between schools and many resource materials obtained . While the data can be integrated materials between schools then use the Web service. Web services are built on a system of service providers that are in each school. The results of the use of Web services technology for systems integration services which are the subject of each school, with testing services that are built at the school system testing and information important that is accessible by the user, ie teachers, students, and office. The results of the study indicate a web service to solve problems by providing a lot of information distributed on the providers and users as needed.
Safety Assessment hydraulic system Aircraft H-8 Budiono, Cyrilus Sukoco
Angkasa: Jurnal Ilmiah Bidang Teknologi Vol 9, No 2 (2017): November
Publisher : Sekolah Tinggi Teknologi Adisutjipto

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Abstract

Safety Assessment hydraulic system Aircraft H-8AbstrakSistem hidrolik termasuk secondary power yang digunakan untuk menggerakkan bidang atur kendali terbang, mengeluarkan dan melipat roda pendarat, dan memberikan tenaga pengereman ketika pesawat di darat. Kegagalan sistem hidrolik dapat menyebabkan pesawat hilang kendali sehingga memungkinkan pesawat mengalami kecelakaan dan jatuhnya korban jiwa. Penelitian ini membahas tentang penilaian keselamatan sistem hidrolik pesawat terbang H-8 yang mencakup proses penilaian keselamatan, regulasi mengenai sistem hidrolik pesawat terbang, beban-beban yang harus ditanggung oleh sistem hidrolik, dan prestasi sistem hidrolik pesawat H-8. Penilaian keselamatan dimulai dari melakukan identifikasi fungsi, kondisi kegagalan, efek kegagalan, dan mengklasifikasikan kondisi kegagalan dari sistem hidrolik tersebut.Kata kunci : System Safety Assessment (SSA), sistem hidrolik, Fault Tree Analysis (FTA), Markov Analysis (MA), Fanctional Hazard Asessment (FHA). Abstract A hydraulic system is one of the secondary power used to drive the flight control surfaces, retract and extend landing gears, and to provide power to wheel brakes when the aircraft is on the ground. The failure of the hydraulic system results in aircraft lost of control which can lead to aircraft accident and passenger deaths. This journals discusses the safety assessment of the hydraulic system to be used in H-8 aircraft which includes the safety assessment process, regulations of the aircraft hydraulic system, the hydraulic system loads, and the aircraft hydraulic systems performance. The safety assessment begins with identification and classification of the functions, failure conditions, the effects of failure, and classify the failure conditions of the hydraulic system.Key word : System Safety Assessment (SSA), hydraulic system, Fault Tree Analysis (FTA), Markov Analysis (MA), Fanctional Hazard Asessment (FHA).
ANALISIS STATIK KEKUATAN STRUKTUR FITTING PADA LANDING GEAR PADA PESAWAT N-219 Purnomo, Muhamad Jalu
Angkasa: Jurnal Ilmiah Bidang Teknologi Vol 7, No 2 (2015): November
Publisher : Sekolah Tinggi Teknologi Adisutjipto

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Abstract

Aircraft structures to be made stronger in order to be able to withstand the force received. The forces acting on the structure can cause deformation and result in structural failure. All components o f the structure o f the aircraft is an important part and it requires a good working resilience to maintain the security (safety). One important component of the aircraft that must be considered is the structure of the landing gear fittings. Fitting is contained in the structure that functions held their landing gear load received all the landing gear and as an intermediary for the landing gear and airframe structure of the aircraft. Because Landing Gear is one important component in the structure of the aircraft. Strength landing gear fittings will be calculated at the time of landing, the burden derived from the speed of the aircraft landing and aircraft load.

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