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All Journal Seminar Nasional Aplikasi Teknologi Informasi (SNATI) Transmisi: Jurnal Ilmiah Teknik Elektro JURNAL SISTEM KOMPUTER JURNAL SISTEM INFORMASI BISNIS TRANSIENT: Jurnal Ilmiah Teknik Elektro Jurnal Sistem Komputer TELKA - Telekomunikasi, Elektronika, Komputasi dan Kontrol Neo Teknika: Jurnal Ilmiah Teknologi

Yuli Christyono

Departemen Teknik Elektro, Universitas Diponegoro Semarang Jl. Prof. Sudharto, SH, Kampus UNDIP Tembalang, Semarang 50275, Indonesia

Author-ID : 247664

Chemical Engineering, Chemistry & Bioengineering Civil Engineering, Building, Construction & Architecture Computer Science & IT Control & Systems Engineering Economics, Econometrics & Finance Education Electrical & Electronics Engineering Industrial & Manufacturing Engineering

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Aplikasi Pengolahan Citra Digital untuk Mengontrol Saklar Berdasarkan Letak dan Warna Huruf Totalis, Herry; Christyono, Yuli; Zahra, Ajub Ajulian
Transmisi Vol 12, No 4 (2010): TRANSMISI
Publisher : Departemen Teknik Elektro, Universitas Diponegoro

The use of wireless communication system as a communication medium in control system has been getting popular. Sending information is getting easier with wireless network for example internet. SMS technology has also been used in the house as remote control switch, but there are still many weaknesses including user must know the format of SMS text and have trouble when more and more switches are used. Beside location and condition of the switch in the house is not known directly. Therefore we need a system that can control houseâ€™s switch by knowing location and condition directly through pictures.The purpose of this final project research is to design and create a tool that canÂ control switch remotely using wireless communications with the image displayâ€™s position of switch so that we can immediately find out controlled switch . Switch condition is analogue with condition of theÂ microcontroller pin ATmega8535. In this final project the system is divided into two, namely transmitter and receiver. Transmitter section prepares house plans image data that has been processed and then sent to receiver while receiver interprets image data to determine commands to the microcontroller ATmega8535. Condition of switch can be seen on LED that is connected to microcontroller pin. Based on the test results, it is found that installation image character, changing the color of image character and scanning house plans image in accordance with determined run. Command are sent through serial port properly executed by microcontroller. Thereâ€™s no error that occur during entire course of the program. In using of ad hoc networks have influencing factorsÂ that is the distance, type of laptops and barrier.Â Keyword :Â Â transmitter, receiver, house plans image, image character, ad hoc network, serial port,Â microcontrollerÂ ATmega8535

PERANCANGAN MODULATOR DAN DEMODULATOR QUADRATURE PHASE SHIFT KEYING (QPSK) DENGAN RANGKAIAN BALANCE MODULATOR Wibisono, Randi Dwi; Sukiswo, Sukiswo; Christyono, Yuli
Transmisi Vol 16, No 2 (2014): TRANSMISI
Publisher : Departemen Teknik Elektro, Universitas Diponegoro

Abstrak Modulasi QPSK (Quadrature Phase Shift Keying) adalah teknik modulasi digital yang merupakan pengembangan dari modulasi PSK (Phase Shift Keying) dengan memanfaatkan perubahan fasa dari sinyal pembawa.Modulasi QPSK dapat mengkodekan dua bit per simbol yang ditujukan untuk meminimalkan bit eror rate (BER). Pada penelitian ini dirancang perangkat modulator dan demodulator QPSK yang menggunakan rangkaian balance modulator sebagai pencampur sinyal informasi dengan sinyal pembawa. Dengan menggunakan rangkaian balance modulator hanya dibutuhkan sinyal data dan sinyal pembawa sebagai masukannya. Rangkaian balance modulator menghasilkan dua buah sinyal keluaran yang memiliki beda fasa 180o. Sinyal keluaran balance modulator yang masih berupa sinyal BPSK harus dijumlahkan agar didapatkan sinyal QPSK. Sinyal QPSK yang dihasilkan oleh perangkat modulator tersebut dimasukan ke perangkat demodulator untuk mendapatkan kembali sinyal informasi. Dari pengukuran dan pengujian perangkat modulator dan demodulator QPSK dapat diketahui bahwa sistem telah bekerja dengan baik. Hasil pencampuran sinyal data dengan sinyal pembawa menggunakan rangkaian balance modulator menghasilkan sinyal BPSK, akan tetapi bentuk sinyal sinus pada BPSK kurang sempurna. Terdapat waktu tunda antara data masukan pada perangkat modulator dengan data keluaran pada perangkat demodulator sebesar 31,2 us. Waktu tunda ini terjadi karena ada proses penjumlahan sinyal BPSK menjadi sinyal QPSK pada bagian modulator, proses penapisan dan pengkonversian dari data paralel menjadi data serial pada bagian demodulator. Kata Kunci :QPSK, modulator, demodulator, balance modulator Â Â Abstract Â QPSK (Quadrature Phase Shift Keying) modulation is a digital modulation technique which is developed from PSK (Phase Shift Keying) modulation by utilizing the phase change of the carrier signal.QPSK modulation can encode two bits per symbol for minimizing the bit error rate (BER). On this research, QPSK modulator and demodulator devices that uses balance modulator circuit as carrier signal and signal informationâ€™s mixer were designed.By using balance modulator circuit, it only needs a data signal and carrier signal as an input.Balance modulator circuit generates two output signals which have 180Â° phase difference. Balance modulator output signal which is still a BPSK signal must be added in order to obtain QPSK signal. QPSK signal generated by the device is inserted into demodulator device to recover information signal. The system has worked well by measuring and testing QPSK modulator and demodulator devices. The results of data signal by mixing the carrier signal using a series of balance modulator generates a BPSK signal, but the shape of BPSK sine signal was not perfect.There is a time delay between the input data on the device with demodulator device output for 31.2 us. Time delay is caused by BPSK signal summation process that becomes the QPSK signal at the modulator, the filtering process and the conversion of parallel data into serial data at demodulator. Keywords :QPSK, modulator, demodulator, balance modulator

Kompresi Data Berdasarkan Perhitungan Distribusi Probabilitas Kemunculan Karakter Orde Dua Dalam Teks Bahasa Indonesia Christyono, Yuli
Transmisi Vol 10, No 1 (2008): TRANSMISI
Publisher : Departemen Teknik Elektro, Universitas Diponegoro

In modern world, the need for capacityÂ data storage andÂ electronic data communications channel is important. Capacity storage media and channel communication in electronic data that we use at this time is not unlimited and it is quite expensive.Therefore, we need a method to use electronic data storage and communications resource optimally and efficiently. One effort that can do at this time is to perform data compression. Data will be compressed before store or before send, so that storage capacity of the data after compression is smaller than before and economize time to send data after compression. There are many kind of method which used in data compression.This research will study about the theory of probability, calculate distribution probability of character order two of text in indonesian language, coding based onÂ Huffman theory, and design softwareÂ for data compression.Keywords: sandi, kompresi, penyandian, huffman, lossy, lossles

SIMULASI KENDALI TEKANAN KOMPRESOR PADA ELECTRICALLY ASSISTED TURBOCHARGER DENGAN METODE PI-GAIN SCHEDULING Arsyahadij, Miftahuddin; Setiawan, Iwan; Christyono, Yuli
Transmisi Vol 20, No 2 April (2018): TRANSMISI
Publisher : Departemen Teknik Elektro, Universitas Diponegoro

Mayoritas dari mobil-mobil berpenumpang didesain sehingga memiliki performa yang handal, hemat bahan bakar, dan rendah emisi gas buang. Dalam hal kemampuan sebuah mobil mampu mengatasi berbagai medan jalan yang ada maka performa yang handal menjadi fokus dari pengembangan mobil-mobil saat ini. Beberapa cara untuk meningkatkan performa dari SI engine adalah variasi pemilihan bahan bakar, mengubah rasio kompresi mesin, mengubah nilai air to fuel ratio (AFR), dan menggunakan turbocharger. Turbocharger merupakan salah satu cara yang terbaik. Turbocharger juga memiliki kelemahan apabila diterapkan di SI engine yaitu terjadinya kondisi turbo lag. Penelitian ini merancang sistem kendali yang pada EAT untuk meminimalkan turbo lag pada turbocharger. Metode sistem kendali yang digunakan ada PI-Adaptif. Kendali PI akan mengendalikan agar sistem memiliki respon yang cepat dan stabil. Kendali adaptif akan mengatasi parameter atau variabel sistem yang berubah berdasarkan waktu (time varying).

Aplikasi Sistem Pengendali dan Manajemen Penjadwal Peralatan Listrik dalam Ruangan Firdausi, Aulia Latifah Insan; Sumardi, Sumardi; Christyono, Yuli
Transmisi Vol 12, No 2 (2010): TRANSMISI
Publisher : Departemen Teknik Elektro, Universitas Diponegoro

Energy crisis is one of the facing globalization problems, and the behavior of energy users like the carelessness in turning the electrical devices on or off are the most significant factor in energy consumption. Therefore, in this final project is made a system for controlling and managing the electrical devices in order to use appropriately needed. This system consists of two main parts, hardware and application. Hardware consists of a master station as the central sending command and two slave stations to execute the sending command. Application will provide information sent to the hardware. Both parts of systems are built with Delphi programming language and MySQL for keeping the database. And the communication between hardware and application use Wireless ZigBee (XBee-PRO) module. This final project results a system for controlling and managing electrical devices based on database to raise the user efficiency. The results show that system can optimize energy consumption and the available technical data information well organized as appropriate as needed. And Wireless ZigBee (XBee-PRO) modules used as communication media between hardware and application have communication range over than 200 meters outdoor and 90 meters in indoor.Â Keyword :Â Â Controlling and managing application, ZigBee-PRO, database scheduled, Delphi 7.0

Simulasi Deteksi Posisi dan Lintasan Roket Menggunakan Algoritma TDOA-Trilateration pada Sistem Radar Sekunder Achmad, Shulchul Chabib; Darjat, Darjat; Christyono, Yuli; Ngatelan, Ngatelan
Transmisi Vol 13, No 3 (2011): TRANSMISI
Publisher : Departemen Teknik Elektro, Universitas Diponegoro

Position and trajectory detection of rockets is very nessesary for the lauch of rockets can work as expected. If position and trajectory of rockets arenâ€™t monitored properly, it could be bad. Therefore, we need solutions to monitor the position and trajectory rockets with the technical studies in particular. Rockets moves with initial power and power when rockets fly until its produce acceleration. The rockets movement are arranged by the law of mechanics orbital and its are affected by the law of aerodynamics. The output result from this detection, will be used as comparative data with the expected trajectory. Through this final project, we simulate application of TDOA-Trilateration Algorithm for detect position and trajectory of rocket on secondary radar system. Technique for get distance between transceiver station and transponder is with find time difference of transmit and receive signal between transceiver station and transponder. This technique is called with TDOA (Time Difference Of Arrival). After Distance between transceiver station and transponder is known, three-dimensional position can be searched with Trilateration methode. This prosses will be simulated with software Matlab R2008a. On the simulation testing indicate that rockets position and trajectory which result from simulation of rockets trajectory formation stage with simulation stage to detect position and trajectory of rockets have the same x, y, z values. However, there is one point of positioan which havenâ€™t the same z value while the z value is negatif. Variation values of D0, D1, and D2 (the placement of Ground Station) arenâ€™t influential to the detection values (x, y,z), but influential to values of deltaT1, deltaT2, and deltaT3. Keyword : TDOA (Time Difference Of Arrival), Trilateration, rockets, transceiver, transponder.

ANALISIS ARUS BOCOR PADA BAHAN ISOLASI RESIN EPOKSI DENGAN METODE INCLINED-PLANE TRACKING DAN ACOUSTIC WAVES SIGNAL Syakur, Abdul; Sutaryono, Agus; Hermawan, H; Christyono, Yuli
Transmisi Vol 21, No 2 April (2019): TRANSMISI
Publisher : Departemen Teknik Elektro, Universitas Diponegoro

Salah satu bagian terpenting dari sistem tenaga adalah isolator. Perkembangan riset terhadap bahan isolator terus dilakukan. Salah satu jenis bahan isolator adalah bahan resin epoksi. Pada penelitian ini dilakukan pengukuran arus bocor kondisi basah terhadap permukaan bahan isolator dengan metode pengukuran Inclaned-Planed Tracking (IPT) sesuai standart IEC 587:1984 dengan kontaminan NH4Cl, dan metode pengukuran Acoustic Emission Properties of Partial Discharge sesuai dengan standart IEC 60270:2000 dengan parameter gelombang akustik. Sampel pengukuran menggunakan bahan resin epoksi yang teediri dari Diglycidyl Ether of Bisphenol-A (DGEBA) dan Metaphenylene Diamine (MPDA) dengan campuran bahan pengisi silicone rubber dan sekam padi. Parameter yang dianalisa adalah arus bocor lucutan pertama, arus maksimal, magnitude lucutan awal dan magnitude maksimal. Persentase bahan pengisi yang digunakan sebesar 20, 30, dan 40. Hasil pengukuran menggunakan metode pengukuran Inclined-Plane Tracking (IPT) menghasilkan aru sebesar 4,9646 mA pada komposisi 20%, 2,3967 mA pada komposisi 30%, dan 3,9371 mA pada komposisi 40%. Sedangkan untuk metode pengukuran Acoustic Emmision Properties of Partial Discharge menunjukan magnitude sebesar 588,9350 pada komposisi 20%, 480,8126 pada komposisi 30%, dan 501,8363 pada komposisi 40%. Sehingga kedua metode menunjukan presentase bahan pengisi yang paling baik adalah sebesar 30% karena menghasilkan nilai arus bocor dan magnitude yang paling kecil.

SIMULASI DAN IMPLEMENTASI ANTENA MIKROSTRIP BENTUK TRISULA SEBAGAI APLIKASI PENERIMA TV DIGITAL Al Rizqy, M. Hidayat; Christyono, Yuli; Zahra, Ajub Ajulian
Transmisi Vol 15, No 3 (2013): TRANSMISI
Publisher : Departemen Teknik Elektro, Universitas Diponegoro

Abstrak Â Siaran TV digital atau penyiaran digital adalah jenis siaran televisi yang menggunakan modulasi digital dan sistem kompresi untuk menyiarkan sinyal video, audio, dan data ke pesawat televisi. Perkembangan televisi digital sendiri dilatarbelakangi oleh perubahan lingkungan eksternal, yaitu pasar TV analog yang sudah jenuh dan adanya kompetisi dengan sistem penyiaran satelit dan kabel. Selain itu juga adanya perkembangan teknologi, yaitu teknologi pemrosesan sinyal digital. Â Pada tugas akhir ini akan disimulasikan dan diimplementasikan antena mikrostrip bentuk trisula yang nantinya dapat diaplikasikan sebagai penerima siaran TV digital. Antena tersebut dirancang pada frekuensi 711,25MHz. Bahan yang digunakan adalah PCB epoxy (FR4) double layer dengan ketebalan bahan 1,6 mm dan konstanta dielektrik sebesar 4,4. Antena mikrostrip tersebut diuji untuk mendapatkan nilai frekuensi kerja, VSWR dan pola radiasi yang kemudian hasilnya dibandingkan dengan hasil simulasi menggunakan perangkat lunak CST Studio Suite 2011. Pengukuran juga dilakukan langsung terhadap televisi dan menggunakan antena televisi lain sebagai pembanding. Berdasarkan hasil pengujian diperoleh hasil untuk antena mikrostrip bentuk Trisula-A bekerja pada frekuensi =Â 750 MHz, VSWR = 1,06, antena mikrostrip bentuk Trisula-B bekerja pada frekuensi = 770 MHz, VSWR = 1,08, dan untuk antena mikrostrip Trisula-C bekerja pada frekuensi = 770MHz, VSWR = 1,06. Pola radiasi dari ketiga antena menunjukkan bahwa antena memiliki pola radiasi berbentuk directional. Pengujian pada perangkat televisi juga menunjukkan bahwa antena mikrostrip bentuk Trisula mampu menangkap siaran televisi digital dengan kualitas gambar dan suara dengan baik. Â Kata kunci: TV Digital, antena, mikrostrip bentuk Trisula, frekuensi, VSWR Abstract Â Broadcast digital TV or digital broadcasting is kind of television broadcast systems using digital modulation and compression to air video signals, audio, and data to the television. The development of digital television itself motivated by changes in the external environment, analog TV market is already saturated and the competition with cable and satellite broadcasting system. In addition, there is the development of the technology of digital signal processing technology. In this final project will be simulated and implemented trident shape microstrip antenna which can later be applied as a broadcast receiver digital TV. The antenna is designed at a frequency of 711.25 MHz. The materials used are epoxy PCB (FR4) with double layer material thickness 1.6 mm and dielectric constant of 4.4. Microstrip antennas are tested to obtain the value of working frequency, VSWR and radiation pattern then the results were compared with the results of simulations using software CST Studio Suite 2011. Measurements were also made â€‹â€‹directly to the TV and other television using an antenna as a comparison. Based on test results obtained results for microstrip antenna shapes Trident-A works at a frequency = 750 MHz, VSWR = 1.06, trident-shape microstrip antenna works on frequency B = 770 MHz, VSWR = 1.08, and for microstrip antenna Trisula-C works at a frequency = 770MHz, VSWR = 1.06. Antenna radiation pattern of the three shows that the radiation pattern of the antenna has a directional shape. Tests on the television also showed that the trident shape microstrip antenna capable of capturing digital television broadcast-quality picture and sound well. Â Keywords: Digital TV, antennas, microstrip trident shape, frequency, VSWR

IMPLEMENTASI LAYANAN INSTANT MESSAGING BERBASIS IP MULTIMEDIA SUBSYSTEM MENGGUNAKAN VIRTUAL SERVER Radhian, Fakkar Robbi; Christyono, Yuli; Sukiswo, Sukiswo
Transmisi Vol 16, No 1 (2014): TRANSMISI
Publisher : Departemen Teknik Elektro, Universitas Diponegoro

Abstrak IMS (IP Multimedia Subsystem) didefinisikan oleh 3GPP (3rd Generation Partnership Project) Sebagai subsistem baru yaitu suatu teknologi jaringanÂ yang memungkinkan pemusatan data, suara, dan gambar melalui suatu infrastruktur berbasis IP. IM(Instant Messaging) adalah teknologi yang memungkinkan para pengguna dalam jaringan untuk mengirimkan pesan singkat secara langsung pada saat yang bersamaan menggunakan teks, gambar, atau pengiriman berkas kepada pengguna lainnya yang sedang terhubung ke jaringan yang sama. Pada tugas akhir ini akan di implementasikan dan dianalisis layanan Instant Messaging berbasis IMS menggunakan virtual server.Dari implementasi ini akan dianalisis dari tinjauan Quality of service yaitu delay, packet loss, jitter dan throughput diharapkan mampu memberikan informasi tentang parameter kelayakan QoS pada jaringan IMS untuk layanan Instant Messaging. Dari hasil pengujian dan analisis dapat diketahui bahwa IMS dapat di implementasikan pada jaringan lokal menggunakan server virtual. Nilai delay, jitter, throughput, dan packet loss sudah sesuai dengan standar dari ITU-T G.1010.Selain itu diketahui pula bahwa kualitas layanan IMS tergantung penggunaan jaringan yang digunakan. Â Kata Kunci :IMS, Instant Messaging, dan QoS. Â Â Abstract IMS (IP Multimedia Subsystem) defined by 3GPP (3rd Generation Partnership Project) As the new subsystem is network technology that enables the centralization of data, sound and images via an IPbased infrastructure.IM (Instant Messaging) is a technology that allows the users of the network to send brief messages directly at the same time using text, images or sending files to other users who are connected to the same network. The final project will be implemented and analyzed the IMS-based Instant Messaging service using virtual server. The implementation will be analyzed from the review Quality of service among others his delay, packet loss, jitter and throughput is expected to provide information about the QoS parameters on the network requirements of IMS Â for the Instant Messaging service. Testing and analysis of the results can be known that IMS can be implemented on a local network using a virtual server. The value of delay, jitter, packet loss, and throughput is in compliance with the standard of ITU-T G.1010. Additionally note that IMS service quality depends on the use of network load used. Â Keyword:IMS, Instant Messaging, and QoS.

Perancangan dan Analisis Antena Mikrostrip dengan Frekuensi 850 MHz untuk Aplikasi Praktikum Antena Nugraha, Adhe Setya; Christyono, Yuli; Sukiswo, Sukiswo
Transmisi Vol 13, No 1 (2011): TRANSMISI
Publisher : Departemen Teknik Elektro, Universitas Diponegoro

Problems antenna of conductor materials is rather complicated construction and size are usually quite large, so for purposes such as a cellular system is considered less efficient. For this purpose requires a simple antenna, a thin, easy to manufacture, and can be connected with other circuits. Then came the idea to design a microstrip antenna that antenna. How to make a microstrip antenna is printed on the plate by the PCB (Printed Circuit Board), then peradiasinya coated with a solution of silver or other conductor material. Who's lining material that many in the market is epoxy glass fiber (e r = 4.7) with 1.5 mm layer thickness. The purpose of this thesis is to create some models of microstrip antenna that can later be used in practical antenna. The antenna was designed at a frequency of 850MHz with a square, equilateral triangle, and circle. Then the three forms of microstrip antenna design results will be analyzed using software IE3D V12 to obtain the design parameters of antenna and frequency of these antennas. The third form of radiation pattern of microstrip antenna is directional (directional). Results of simulation of microstrip circular antennas : resonant frequency = 0.8535 GHz, VSWR = 1.046, retrun loss = - 32.89 dB, bandwidth = 1.4167%, the total gain = - 0.673953 dB, HPBW = 170,5110, rectangular microstrip antenna : resonance frequency = 0.849503 GHz, VSWR = 1109, return loss = - 25.7143 dB, bandwidth = 1.4547%, the total gain = - 0.205832 dB, HPBW = 170,6550 and for equilateral triangular microstrip antennas : resonant frequency = 0, 8515 GHz, VSWR = 1115, return loss = -25.28 dB, bandwidth = 1.3055%, the total gain = - 2.32265 dB, HPBW = 170,5710. And on the test results obtained for circular microstrip antennas : resonant frequency = 900MHz, VSWR = 1.03, power received = 0.067 mW, HPBW = 620, rectangular microstrip antennas : resonant frequency = 895MHz, VSWR = 1.04, power received = 0.039 mW, HPBW = 880 and antenna for microstrip equilateral triangle : resonance frequency = 895MHz, VSWR = 1.05, power received = 0.033 mW, HPBW = 690. Keywords: microstrip antenna, substrat materials, antenna parameters, the working frequency antenna

Co-Authors Achmad Hidayatno Adam, Nur Muhammad Adhe Setya Nugraha Adhieka Danniswara Adi Dhama Kameswara Adian Fatchur Rochim Afin M Nurtsani Aghus Sofwan Ajub Ajulian Zahra Macrina Akbar Satria Wardhana, Akbar Satria Amin Taufiq Anang Setiaji, Anang Anggie Salsa Saputra Anton Prabowo Arismunandar, Ridho Arsyahadij, Miftahuddin Athallah, Farrel Aulia Latifah Insan Firdausi Azizah, Mega Tiara Nur Baron Murianda Budi Setiawan Budi Setiyono Cosa Pamungkas Prabaswara Dania Eridani Darjat Darjat Dayanti, Jessy Kris Defriko Christian Dewandhika Dewi Lestari Faizin, Ahmad Arif Fakkar Robbi Radhian Faruq, Faishal Al Fendy Yulian Rakhmad Hafidz Erwin Kurniawan Hermawan, H Herry Totalis I Ketut Suada Ibnu Fauzan Al Aula IMAM SANTOSO Irwan Budiman Irwan Budiman Iwan Setiawan Jaka Windarta Karyadi, Atma Kodrat Imam Satoto Luluk Arifatul Chalida Luthfi Rahman, Luthfi M. Hidayat Al Rizqy Maman Soemantri, Maman Maman Somantri Mita Indriani Mochamad Arif Haryadi, Mochamad Arif Mohamad Adiwijaya, Mohamad Muhammad Fatkhur Rahman Munawar Agus Riyadi Nasution, Ali Napiah Naufal Qodari Ngatelan Ngatelan Nugraha, Satria Indra Nugroho, Bima Adhi Nugroho, Gilang Cahyo Nunditya, Devina Mirza P, Eskania Widya Pangestu, Febrian Ardi Putut Suharso R. Rizal Isnanto Radhitya Wiratama Rahmat Dwi Cahyo Rahmat Juniar Dwiansyah Raidah Hanifah Ramada, Raynaldi Surya Randi Dwi Wibisono Rizal Yunan Rifai Santoso, Imam Setiawan, Hadyan Setyo Suseno, Setyo Shulchul Chabib Achmad Sudjadi Sudjadi Sukiswo Sukiswo Sumardi . Surya Purba Wijaya Sutaryono, Agus Teguh Prakoso Toni Prahasto Tri Handayani Trias Andromeda Velayati Habsyah Wiratama, Radhitya Yoga Krismawardana Yunianto Panji Nugroho, Yunianto Panji Yustinus Denny Ardyanto

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