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PENERAPAN KONSEP GEOTAGGING PADA APLIKASI TANGGAP DARURAT BENCANA BERBASIS ANDROID Nurdiana, Nunu; Rachmat, Asep; hadi sugandi, Dian rahmat nataatmaja
Jurnal Sistem Informasi Vol 6, No 1 (2019)
Publisher : Universitas Serang Raya

Abstrak— Saat ini aplikasi mobile berbasis android telah banyak digunakan seiring semakin banyaknya perangkat smartphone android. Namun penyampaian informasi khususnya informasi bencana di majalengka masih saja belum tersampaikan dengan baik. Seiring dengan hal tersebut, maka dibutuhkan aplikasi pendukung untuk menyampaikan informasi bencana yang lengkap dan akurat. Penelitian ini dilakukan untuk perancangan aplikasi tanggap darurat bencana majalengka dengan konsep Geotagging berbasis android. Pengumpulan datanya menggunakan observasi, studi pustaka dan wawancara dengan metode pengembangan sistem menggunakan RUP, Kemudian data diimplementasi untuk dapat diaplikasikan pada aplikasi android. Pengimplementasian aplikasi android ini dirancang menggunakan bahasa pemrograman Java dengan aplikasi pendukung android studio versi 3. Pengujian aplikasi menggunakan blackbox, didapatlah aplikasi tanggap darurat bencana yang bisa digunakan untuk melaporkan kejadian bencana dari smartphone android dengan memberikan laporan bencana yang cukup jelas karena terdapat foto bencana, informasi mengenai titik lokasi bencana, keterangan bencana dan peta yang bisa diakses melalui google maps. Kata kunci— Aplikasi android, Tanggap darurat bencana, Geotagging, firebase, android studio.

PENERAPAN KONSEP GEOTAGGING PADA APLIKASI TANGGAP DARURAT BENCANA BERBASIS ANDROID Nurdiana, Nunu; Rachmat, Asep; hadi sugandi, Dian rahmat nataatmaja
Jurnal Sistem Informasi Vol 6 No 1 (2019)
Publisher : Universitas Serang Raya

Abstrak— Saat ini aplikasi mobile berbasis android telah banyak digunakan seiring semakin banyaknya perangkat smartphone android. Namun penyampaian informasi khususnya informasi bencana di majalengka masih saja belum tersampaikan dengan baik. Seiring dengan hal tersebut, maka dibutuhkan aplikasi pendukung untuk menyampaikan informasi bencana yang lengkap dan akurat. Penelitian ini dilakukan untuk perancangan aplikasi tanggap darurat bencana majalengka dengan konsep Geotagging berbasis android. Pengumpulan datanya menggunakan observasi, studi pustaka dan wawancara dengan metode pengembangan sistem menggunakan RUP, Kemudian data diimplementasi untuk dapat diaplikasikan pada aplikasi android. Pengimplementasian aplikasi android ini dirancang menggunakan bahasa pemrograman Java dengan aplikasi pendukung android studio versi 3. Pengujian aplikasi menggunakan blackbox, didapatlah aplikasi tanggap darurat bencana yang bisa digunakan untuk melaporkan kejadian bencana dari smartphone android dengan memberikan laporan bencana yang cukup jelas karena terdapat foto bencana, informasi mengenai titik lokasi bencana, keterangan bencana dan peta yang bisa diakses melalui google maps. Kata kunci— Aplikasi android, Tanggap darurat bencana, Geotagging, firebase, android studio.

PERANCANGAN MESIN PEMANASAN INDUKSI UNTUK STEEL FORGING DENGAN TEMPERATURE CONTROLLER: Indonesia Rachmat, Asep; nur hidayatulloh, jajang
J-ENSITEC Vol. 10 No. 01 (2023): December 2023
Publisher : Universitas Majalengka

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.31949/jensitec.v10i01.7341

Induction heating is a heating system that uses magnetic field induction generated from high frequencies. This process occurs with the presence of eddy currents or central currents whose circular direction surrounds the magnetic field that penetrates the object. Induction heating uses the principle of heating due to eddy currents produced by magnetic flux originating from coil windings that are electrified by alternating current (AC). Designing an induction heating machine, for the forging process which has the advantage of heating accuracy and a heating temperature that can be adjusted to reach a temperature of 800 ºC with a power of 1300 KW. Induction Heating Machine Design consists of Design Making which includes the frame, required voltage, circuit breaker circuit, power produced, Material Selection, Component Selection and Assembly. Induction heating machines use two power supplies, a copper coil

CENTER OF MASS (CENTROID) ANALYSIS ON ATV (ALL TERRAIN VEHICLE) TYPE ROKETS WIMCYCLE 110 CC Panca Suwanda, Aggy; Rachmat, Asep; Koswara, Engkos
Jurnal Mekanika dan Manufaktur Vol 1 No 1 (2021)
Publisher : Universitas Majalengka

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In an ATV (All Terrain Vehicle) vehicle, the center of gravity is the point at which the vehicle will be in equilibrium. When the vehicle experiences translational and rotational motion at the same time, then at that time The center of gravity will act as the axis of rotation and the trajectory of motion, from the center of gravity This describes the trajectory of the translational motion. The center of gravity is a point of perfect balance or a center distribution of weight. At this point the gravitational force acts, for objects that are have any shape location center of gravity is searched by calculations, calculations are based on the assumption that we can take some points of the object you want to calculate the center of gravity multiplied by the weight at each point then add up and divide by the total weight at each point. It is said that the center of gravity is also the center of mass near the earth's surface, but for a certain height above the earth center of gravity and center of gravity must be distinguished. The distance from the center of mass when viewed from the side view is 0.42 m from the front axle and 0.48 m from the rear axle. The center of mass distance from the rear view is 0.35 m from the right wheel axis and 0.35 m from the left wheel. The height of the center of mass from the axis of the wheel axle is 0,39 m.

Reconditioning Load Cell Tensile Testing Machine Capacity 2 Ton Tarsudin, Tarsudin; Koswara, Engkos; Rachmat, Asep
Jurnal Mekanika dan Manufaktur Vol 1 No 2 (2022)
Publisher : Universitas Majalengka

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Test equipment is an educational laboratory facility that is very important in supporting and supporting the teaching and learning process in the laboratory. , load cell is an electronic device that is used as an additional device in a tensile testing machine. The tensile test results will be better or more accurate if the tensile test equipment is equipped with a load cell using a data device system. Obtained from this test, namely the stress value that occurs in the load cell, the stress on the ST37 steel specimen is 48.56 kg/mm², the maximum stress is 952.99 kg/mm². While the stress on the 6061 aluminum specimen is 15.6 kg/mm², and the maximum stress is 306.15 kg/mm². In addition to the workpiece that breaks due to tension, a tensile test curve is also generated. This curve is a description of the workpiece loading process from the beginning of the withdrawal to the end of the workpiece.

PYROLYSIS REACTOR ANALYSIS OF MATERIAL PRODUCTION RESULTS BURN WITH 3KG CAPACITY Damaputra, M Kitabika; Susandi, Dony; Rachmat, Asep
Jurnal Mekanika dan Manufaktur Vol 1 No 2 (2022)
Publisher : Universitas Majalengka

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Garbage is one of the factors that damage the environment, basically garbage increases along with the increase in population and the level of consumption of the processing community Waste is two sides of a coin, waste recapitulation in 2020 in Majalengka Regency is data from the DLH (Environmental Service) Majalengka states that the population is 1,250,180 people produce 14,857 tons/day or 178,285 tons/year waste and transported or processed waste only 34,675 tons/year, this pyrolysis process is a thermochemical decomposition of organic material or inorganic processes that take place without air or oxygen where the raw material will undergo breakdown chemical structure into the gas phase, the plastic pyrolysis process requires several tools, namely a reactor as a combustion without air or oxygen from plastic so that it becomes gas, parameters including temperature which affects the change of plastic into gas, the pressure on the reactor tube caused by the thermal decomposition of plastic into pyrolysis gas, these parameters in the pyrolysis process are mutually tangent because the temperature of the combustion of the reactor will determine the resulting pressure, This is because the hotter the combustion in the reactor, the faster the pyrolysis process occurs, 180 minutes of the oil process produced by PP type plastic is 800 ml while LDPE type plastic is 500 ml, the results on the two plastics are different due to the difference in melting point temperature between types of plastic PP and LDPE, these parameters can be seen in the heat transfer in the pyrolysis reactor of 3.798 x 109 with turbulent flow type

DESIGN AND CONSTRUCTION OF WORK OBJECTS USING A MAGNETIC VENUE ON A DRILL MACHINE Purwa Tarozzi, Angky; Rachmat, Asep; Dewi Jannati, Eidelweis
Jurnal Mekanika dan Manufaktur Vol 1 No 2 (2022)
Publisher : Universitas Majalengka

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The development of science and technology and along with advances in the field of industry, especially in the field of machinery, various tools were created to simplify and increase human comfort in fulfilling their needs. The workpiece gripping mechanism on the sitting drill machine works by being controlled manually using a control lever, making it difficult for the operator to operate and making the processing time long. The author will conduct research on the design of workpiece gripping tools using a magnetic vise on a drilling machine. It is hoped that the design of this magnetic vise can reduce the work of an operator and can shorten the time of installing the workpiece so that it can increase the work productivity of the drilling machine, reduce operating costs and increase the work safety of an operator. From the results of the analysis of the design of the Magnetic Vise designer, it can be concluded that the circular magnetic field around the wire is 8100π x 10-4 Tesla, Resultant of Magnetic Induction in Parallel Wire B1 = 18 x 10-5 Tesla and B2 = 10.8 x 10 -5 Tesla, Resultant magnitude of magnetic induction Bp = 28.8 x 10-5 Tesla. The solenoid is a coilshaped wire with fairly tight turns and has a length of = 360 cm with a number of turns = 150, the magnitude of the magnetic induction at the end of the solenoid is different from the magnitude of the magnetic induction at the center of the solenoid. The magnitude of the magnetic induction at the center of the solenoid is 45 x 10-5 Tesla. larger than the solenoid tip by 11.25 x 10-5 Tesla.

DESIGN OF MOVEMENT SYSTEM SHAKER SCREEN SEATHER MACHINE Crankshaft ROTATION Pebrian A R, Rahman; Rachmat, Asep; nasim, Nasim
Jurnal Mekanika dan Manufaktur Vol 1 No 2 (2022)
Publisher : Universitas Majalengka

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The sand sieving machine, shaker screen, crankshaft rotational motion system, is a machine that facilitates building work in separating the mixture of sand and gravel. In the design and analysis related to the selection of the frame model in order to determine the strength of the material in holding each component of the sand sieving machine, this research uses solidwork software, based on the results of the solidwork software simulation, the stress value in the sieving tank is 3,303 N/mm2, the displacement value is 2,325 mm, the safety factor by means of a simulation of 4,059. The capacity of the shaker screen sand sieving machine has a volume of 0.824 with a length of 160 cm, a width of 70 cm and a capacity of accommodate wet and dry sand media weighing 30 kg.

ANALYSIS OF STEAM POWER PLANT RANKINE CYCLE EFFICIENCY ANALYSIS AT PT. PG RAJAWALI II JATITUJUH UNIT Zauhari, Azi; Koswara, Engkos; Rachmat, Asep
Jurnal Mekanika dan Manufaktur Vol 2 No 1 (2022)
Publisher : Universitas Majalengka

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Rankine cycle efficiency and rankine cycle work process at PT. PG Rajawali II Jati Tujuh Unit Adding knowledge to students about Rankine cycle in steam power generation system. To determine efficiency based on operational data. To know and understand the process of the Rankine cycle. It can be a reference and input for PT, PG Rajawali II Unit Jati Tujuh to see its efficiency. Before going into the field, we must prepare our theory according to the title such as boiler, turbine, condenser, pump example. This is a direct observation of the conditions at PT. PG Rajawali II Unit Jati Tujuh. This step is carried out to find out information about the conditions in the field and the situation where the practical work is carried out. Fractional pressure will not occur in the boiler and condenser, if the working fluid flows through the various components of a simple steam power cycle without irreversibility, and the working fluid will flow through the components at constant pressure. Dry water vapor from the boiler enters the turbine and undergoes a process isentropic expansion of the energy stored in the water vapor is converted into motion energy in the turbine. The water vapor is converted into liquid again so that it can be reused in the cycle process, PT. PG Rajawali II Unit Jati Tujuh on October 11, 2020 had the highest efficiency of 25.20%. October 22, 2020 has the lowest efficiency, which is 22.99%. Before going to the work process of the Rankine cycle, we must really understand the components related to the Rankine cycle, starting from the boiler, turbine, condenser, and pump so that we can understand and understand what the Rankine cycle is. In processing data using a help system, namely with Microsoft Excel with engineering applications, we have to ask those who know better so that in processing data with Microsoft Excel it can be actually clear in calculating it to get the values of pressure and temperature and their efficiency.

MODIFICATION OF THE DUST COLLECTOR TOOL ON A 3 AXIS CNC ROUTER MACHINE FOR WOOD WORKING Yahya, Ahmad; Koswara, Engkos; Rachmat, Asep; Dewi Jannati, Eidelweis
Jurnal Mekanika dan Manufaktur Vol 2 No 2 (2023)
Publisher : Universitas Majalengka

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.31949/jmm.v2i2.5306

Based on the results of research in Majalengka Regency, it was found that there were 200 semi-finished wood processing secondary industries, spread over 26 sub-districts with the type of wood used being dominated by teak, mahogany, these types of wood are used for semi-finished materials in the form of frames, doors, windows, cabinets, sideboard and chairs. There is also production of wood that is native to Indonesia, namely wood carving. Wood carving has its own uniqueness because it is a human creation based on an aesthetic sense according to what the human himself wants. Wood carving works of art are usually created using sculpting techniques. The creation of works of wood carving with the arrangement of elements so that meaningful elements are formed and one must have creative sculpting skills to produce works that are good, attractive and have meaning and high aesthetic value as well as being useful in people's lives.

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