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PENGEMBANGAN SISTEM PENYEMPROTAN PADA PLATFORM PESAWAT TANPA AWAK BERBASIS QUADCOPTER UNTUK MEMBANTU PETANI MENGURANGI BIAYA PERTANIAN DALAM MENDORONG KONSEP PERTANIAN PINTAR (SMART FARMING) Santoso, Djarot Wahju; Haryanto, Kris
Angkasa: Jurnal Ilmiah Bidang Teknologi Vol 9, No 2 (2017): November
Publisher : Sekolah Tinggi Teknologi Adisutjipto

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (193.991 KB)

This study aims to develop the technology of unmanned aircraft for agricultural purposes in realizing the food security of Indonesia. One of the main problems of agriculture in Indonesia is the high cost of agriculture especially the use of chemicals, fertilizer to labor. During this time farmers spend resources such as fertilizer to all plants without the required portion. So it should be attempted an engineering that can reduce the cost of agriculture in terms of labor usage for fertilizing activities and spraying of pests are relatively expensive. The method that will be used for the problem is to make a prototype of pest spraying system by using liquid media on platform unmanned Aerial Vehicle (UAV) with quadcopter base. Stages in this research include: desk assessment, making of design requirement objective, conceptual making and basic design and making real prototype UAV. The performance of the spraying results is done flight stability test and pest spraying performance. The test results show that the prototype UAV platform using 0.5 litres liquid media, capable of spraying an area of 2 m2 with a flying time of 10 minutes with a height of 70 cm from the ground. The results of this test will be developed further to be made a larger platform dimensions and capability of transport.

PENGARUH VARIASI JUMLAH FASTENER TERHADAP KEKUATAN STRUKTUR REPAIR LONGITUDINAL FLOOR BEAM PESAWAT B737-300 Santoso, Djarot Wahju
Angkasa: Jurnal Ilmiah Bidang Teknologi Vol 7, No 2 (2015): November
Publisher : Sekolah Tinggi Teknologi Adisutjipto

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (350.71 KB)

Longitudinal floor beam structure is a rod that serves to support the weight of the passenger seat, the passenger load and luggage on airplanes. Bending load received by the structure continuously during flight operations cause damage (cracks). The presence of cracks in the structure of the repair needs to be done to ensure the safety of the aircraft during operation. Structure Repair Manual (SRM) is a guide issued by the manufacturer of the aircraft maintenance company to do the repair. In SRM was not stated clearly that the repair is safe. To determine the level of safety o f longitudinal floor beam structure repair Boeing 737-300 fractured analysis is needed also to determine the effect of the number of fasteners to the strength of the modified structure. Modeling and analysis of longitudinal structural floor beam using CATIA V5R16 software. Imposition o f the structure using a bending load due to the load compartment main cabin. Four models are made in accordance with the repair of such structures to handle SRM model fractured. Modifications done by reducing fastener types BACB30FN6 6 to 5 and 4 fastener on the upper area of the beam. Static analysis performed on models with CATIA V5R16 to determine the safety o f the structure is based os margin of safety.The results of analysis that the longitudinal floor beam structural repair the fractured secure against bending loads. The use of a modified structure repair by reducing the number of fastener would increase the critical stress that occurs, but the structure is still safe to load.

ANALISIS KEKUATAN STRUKTUR REPAIR SKIN DOUBLER PESAWAT B737-300 Santoso, Djarot Wahju
Angkasa: Jurnal Ilmiah Bidang Teknologi Vol 8, No 2 (2016): November
Publisher : Sekolah Tinggi Teknologi Adisutjipto

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (208.2 KB)

Fuselage is a structure of airplane as the location where the passengers and goods as well as to place the wing and other structures. Fuselage gets loading when the aircraft take off, flight maneuvers, landing and when at the ground. One is the pressure loading on the fuselage aircraft cabin. In continuous operation airplane due to cabin pressure damage such as cracks often occur in the fuselage. The use of skin doubler to handle cases mainly crack analysis is needed to see the effect doubler thickness and variations in fastener against the structure strength. In this study doubler skin structure modeling and analysis using software CATIA V5R21. Modeling structures made 4 types of structure to use variations of the number of fastener and three other structures to changes in the thickness of the doubler. The whole model is given tensile load and differential pressure. Use of doubler thicker in the repair structure will lower the stress that occurs at the doubler. The more number of rows of fastener used will decrease the stress on the fastener this happens to tensile load, but not effective enough for the load pressure differential. Modeling the structure is safe against tensile loading and internal pressure.

Analisis Kekuatan Struktur Retak Skin Fuselage Repair Pesawat B747-400 Santoso, Djarot Wahju
SENATIK STT Adisutjipto Vol 2 (2016): Peran Teknologi dan Kedirgantaraan Untuk Meningkatkan Daya Saing Bangsa
Publisher : Sekolah Tinggi Teknologi Adisutjipto

Abstract — Structure Repair Manual (SRM) is a manufacture guidelines issued by the MRO (Maintenance and Repair Organization) who have the authority to perform a repair aircraft. SRM function as an actual reference in doing a modification SRM repair. In its application modifications can be done by changing the layout variations and variations of fastener used. To determine the feasibility of a repair configuration modifications done by modeling and analysis to determine the maximum stress that occurs in both configurations. In this research, modeling and analysis using software CATIA V5R21. Created 2 configuration model that SRM structure repair and modification of the structure of SRM repair. Both models are given internal pressure load, while the fastener strength was tested by making a simpler model to provide tensile load.The maximum stress that occurs in structures that modification SRM repair is 18265 Psi by the internal pressure loading, whereas for tension loading cases amounted to 22380.9 Psi. Based on the margin of safety the modifications structure of SRM repair declared to be safer than SRM structure repair. Keywords : skin fuselage, repair, crack, SRM

Pengenalan Penggunaan Software Perancangan Pesawat Di Industri Penerbangan Pada Siswa SMK Muhammadiyah I Temon Kulon Progo Santoso, Djarot Wahju
KACANEGARA Jurnal Pengabdian pada Masyarakat Vol 2, No 1 (2019): Januari
Publisher : Sekolah Tinggi Teknologi Adisutjipto

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (312.936 KB)

The era of globalization with all its implications is one of the triggers of rapid changes that occur in various aspects of people's lives and if there is no serious effort to anticipate it, it will become a very serious problem. The field of education has a large responsibility, especially in the change of preparing strong human resources so that they are able to live in harmony with the changes themselves. This community service activity was held at Muhammadiyah I Vocational School Temon Kulon Progo with the aim of introducing the use of CATIA aircraft design software in the aviation industry. Implementing community service activities in the context of introducing aircraft design software in the aviation industry is carried out for 2 days in accordance with existing competencies in the relevant school curriculum. This activity is able to provide knowledge that can be used as a reference in improving student learning competencies.

Design and Analysis the Strength of the Structure Fixed Wing Vertical Take Off-Landing UAV Santoso, Djarot Wahju; Putra, Aditya Nurcholis
SENATIK STT Adisutjipto Vol 4 (2018): Transformasi Teknologi untuk Mendukung Ketahanan Nasional [ ISBN 978-602-52742-0-6 ]
Publisher : Sekolah Tinggi Teknologi Adisutjipto

To respond to traffic conditions in the city traffic jam so as to resolve the density it is necessary to observe these conditions which are monitored at all times. For this reason, it is necessary to design UAV (Unmanned Aerial Vehicle) that is capable of flexible maneuvering, which can take off and land vertically and move quickly to reach traffic in different places. The stages of research for designing fixed wing VTOL aircraft are carried out determining the geometry of the aircraft as the desired criteria, the analysis stage by 3D modeling with CATIA software. Simulation of structural analysis in the form stress and calculating the Margin of Safety from this design. The results of the aircraft design have 1.32 m fuselage length, 1.71 m wing span and aircraft weight 2.865 kg. The results of the analysis show that the aircraft structure is safe in cruise and vertical take-off load.

Pengembangan Sistem Penyemprotan pada Platform Pesawat Tanpa Awak Berbasis Quadcoper untuk Membantu Petani Mengurangi Biaya Pertanian dalam Mendorong Konsep Pertanian Pintar (Smart Farming) Kris Hariyanto; Djarot Wahju Santoso
Jurnal Nasional Teknologi Terapan (JNTT) Vol 1, No 1 (2017): NOVEMBER
Publisher : Penelitian dan Pengabdian Kepada Masyarakat Sekolah Vokasi Universitas Gadjah Mada

This study aims to develop the technology of unmanned aircraft for agricultural purposes in realizing the food security of Indonesia. One of the main problems of agriculture in Indonesia is the high cost of agriculture especially the use of chemicals, fertilizer to labor. During this time farmers spend resources such as fertilizer to all plants without the required portion. So it should be attempted an engineering that can reduce the cost of agriculture in terms of labor usage for fertilizing activities and spraying of pests are relatively expensive. The method that will be used for the problem is to make a prototype of pest spraying system by using liquid media on plaform unmanned Aerial Vehicle (UAV) with quadcopter base. Stages in this research include: desk assessment, making of design requirement objective, conceptual making and basic design and making real protoripe UAV. Meanwhile, to know the performance performance of the spraying results is done flight stability test and pest spraying performance . The test results show that with prototype UAV platform using 0.5 Litre liquid media, capable of spraying an area of 2 m2 with a flying time of 10 minutes with a height of 70 cm from the ground. The results of this test will be developed further to be made a larger platform dimensions and capability of transport.

PENGEMBANGAN SISTEM PENYEMPROTAN PADA PLATFORM PESAWAT TANPA AWAK BERBASIS QUADCOPTER UNTUK MEMBANTU PETANI MENGURANGI BIAYA PERTANIAN DALAM MENDORONG KONSEP PERTANIAN PINTAR (SMART FARMING) Djarot Wahju Santoso; Kris Haryanto
Angkasa: Jurnal Ilmiah Bidang Teknologi Vol 9, No 2 (2017): November
Publisher : Institut Teknologi Dirgantara Adisutjipto

This study aims to develop the technology of unmanned aircraft for agricultural purposes in realizing the food security of Indonesia. One of the main problems of agriculture in Indonesia is the high cost of agriculture especially the use of chemicals, fertilizer to labor. During this time farmers spend resources such as fertilizer to all plants without the required portion. So it should be attempted an engineering that can reduce the cost of agriculture in terms of labor usage for fertilizing activities and spraying of pests are relatively expensive. The method that will be used for the problem is to make a prototype of pest spraying system by using liquid media on platform unmanned Aerial Vehicle (UAV) with quadcopter base. Stages in this research include: desk assessment, making of design requirement objective, conceptual making and basic design and making real prototype UAV. The performance of the spraying results is done flight stability test and pest spraying performance. The test results show that the prototype UAV platform using 0.5 litres liquid media, capable of spraying an area of 2 m2 with a flying time of 10 minutes with a height of 70 cm from the ground. The results of this test will be developed further to be made a larger platform dimensions and capability of transport.

PENGARUH VARIASI JUMLAH FASTENER TERHADAP KEKUATAN STRUKTUR REPAIR LONGITUDINAL FLOOR BEAM PESAWAT B737-300 Djarot Wahju Santoso
Angkasa: Jurnal Ilmiah Bidang Teknologi Vol 7, No 2 (2015): November
Publisher : Institut Teknologi Dirgantara Adisutjipto

Longitudinal floor beam structure is a rod that serves to support the weight of the passenger seat, the passenger load and luggage on airplanes. Bending load received by the structure continuously during flight operations cause damage (cracks). The presence of cracks in the structure of the repair needs to be done to ensure the safety of the aircraft during operation. Structure Repair Manual (SRM) is a guide issued by the manufacturer of the aircraft maintenance company to do the repair. In SRM was not stated clearly that the repair is safe. To determine the level of safety o f longitudinal floor beam structure repair Boeing 737-300 fractured analysis is needed also to determine the effect of the number of fasteners to the strength of the modified structure. Modeling and analysis of longitudinal structural floor beam using CATIA V5R16 software. Imposition o f the structure using a bending load due to the load compartment main cabin. Four models are made in accordance with the repair of such structures to handle SRM model fractured. Modifications done by reducing fastener types BACB30FN6 6 to 5 and 4 fastener on the upper area of the beam. Static analysis performed on models with CATIA V5R16 to determine the safety o f the structure is based os margin of safety.The results of analysis that the longitudinal floor beam structural repair the fractured secure against bending loads. The use of a modified structure repair by reducing the number of fastener would increase the critical stress that occurs, but the structure is still safe to load.

Pengenalan Penggunaan Software Perancangan Pesawat Di Industri Penerbangan Pada Siswa SMK Muhammadiyah I Temon Kulon Progo Djarot Wahju Santoso
KACANEGARA Jurnal Pengabdian pada Masyarakat Vol 2, No 1 (2019): Januari
Publisher : Institut Teknologi Dirgantara Adisutjipto

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.28989/kacanegara.v2i1.411

The era of globalization with all its implications is one of the triggers of rapid changes that occur in various aspects of people's lives and if there is no serious effort to anticipate it, it will become a very serious problem. The field of education has a large responsibility, especially in the change of preparing strong human resources so that they are able to live in harmony with the changes themselves. This community service activity was held at Muhammadiyah I Vocational School Temon Kulon Progo with the aim of introducing the use of CATIA aircraft design software in the aviation industry. Implementing community service activities in the context of introducing aircraft design software in the aviation industry is carried out for 2 days in accordance with existing competencies in the relevant school curriculum. This activity is able to provide knowledge that can be used as a reference in improving student learning competencies.

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