ELKOMIKA: Jurnal Teknik Energi Elektrik, Teknik Telekomunikasi, & Teknik Elektronika最新文献

{"title":"Analisis Perbandingan Mean Opinion Score Aplikasi VoIP Facebook Messenger dan Google Hangouts menggunakan Metode E-Model pada Jaringan LTE","authors":"Ramadhina Fitriyanti, L. Lindawati, Aryanti Aryanti","doi":"10.26760/ELKOMIKA.V6I3.379","DOIUrl":"https://doi.org/10.26760/ELKOMIKA.V6I3.379","url":null,"abstract":"ABSTRAKPenelitian ini membahas mengenai perbandingan kualitas layanan dua aplikasi VoIP yaitu Facebook Messenger dan Google Hangouts pada jaringan LTE. Kualitas layanan dua aplikasi tersebut ditinjau menggunakan Mean Opinion Score dengan metode objektif yaitu, E-Model. Nilai MOS kedua aplikasi didapatkan dengan menjalankan simulasi menggunakan GNS3 yang berfungsi untuk mensimulasikan topologi jaringan dengan menggunakan router MikroTik. Setelah itu, dilakukan pengukuran parameter QoS yaitu, delay dan packet loss yang terjadi pada saat melakukan panggilan yang berlangsung selama satu jam. Dari hasil pengujian, diperoleh bahwa nilai MOS pada Google Hangouts lebih besar dibandingkan dengan Facebook Messenger, yaitu 4.0. Sedangkan pada Facebook Messenger hanya sebesar 3.6. Jika dikorelasikan ke tingkat kepuasan pengguna untuk mendapatkan nilai MOS, Google Hangouts dikategorikan \"baik\" dan Facebook Messenger dikategorikan \"cukup baik\".Kata kunci: MOS, LTE, VoIP, E-Model, GNS3 ABSTRACTThis study discusses the comparison of the quality of service of two VoIP applications, Facebook Messenger and Google Hangouts on LTE networks. The service quality of the two applications is reviewed using the Mean Opinion Score with an objective method namely, E-Model. MOS values from both applications are obtained by running simulations using GNS3 which can simulate network topology using a MikroTik router. After that, QoS parameters are measured, which are delay and packet loss during the call process which lasts one hour. From the test results, it was found that the MOS value on Google Hangouts was greater than Facebook Messenger, that is 4.0 while on Facebook Messenger only 3.6. If correlated with the level of user satisfaction to get MOS value, Google Hangouts is categorized as \"good\" and Facebook Messenger is categorized as \"good enough\".Keywords: MOS, LTE, VoIP, E-Model, GNS3 ","PeriodicalId":344430,"journal":{"name":"ELKOMIKA: Jurnal Teknik Energi Elektrik, Teknik Telekomunikasi, & Teknik Elektronika","volume":"53 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2018-10-18","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"128931915","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

{"title":"Pengembangan Sistem Pemantauan Konsumsi Energi Rumah Tangga Berbasis Internet of Things (IoT)","authors":"H. Santoso, Sapto Prajogo, Sri Paryanto Mursid","doi":"10.26760/elkomika.v6i3.357","DOIUrl":"https://doi.org/10.26760/elkomika.v6i3.357","url":null,"abstract":"ABSTRAKPenghematan pada konsumsi listrik rumah tangga akan memberikan dampak pada konsumsi listrik nasional. Penelitian menunjukkan pemantauan terhadap konsumsi listrik rumah tangga akan memberikan dampak pada penghematan konsumsi listrik hingga 30%. Beberapa penelitian terkait pengembangan pemantauan terhadap konsumsi listrik rumah tangga masih menunjukkan hasil yang kurang memuaskan. Pada penelitian ini akan dikembangkan sistem pemantauan energi khususnya untuk beban rumah tangga berbasis teknologi IoT, sehingga dapat dilakukan pemantauan menggunaan energi listrik rumah tangga menggunakan aplikasi android di perangkat komunikasi telepon seluler (ponsel). Hasil pengujian akurasi pengukuran, dilakukan dengan membandingkan data pengukuran dengan alat ukur lain, menunjukkan pembacaan arus memiliki rata-rata error sebesar 0% sementara pembacaan tegangan memiliki rata-rata error sebesar 0,06%.Kata kunci: IoT, power meter, power monitor, konsumsi energi ABSTRACTThe savings on household electricity consumption will have an impact on national electricity consumption. Research shows that monitoring of household electricity consumption will have an impact on saving electricity consumption up to 30%. Direct monitoring starts from using cable to wireless technology. Some studies realated to developments of energy consumption monitoring still show unsatisfactory results.In this research will be developed energy monitoring system especially for household load based on IoT technology, so that can be monitored the use of household electrical energy using android application in communication device, handphone. The result of measurement measurement accuracy is done by comparing measurement data with other measuring instrument, indicating current reading has an average error of 0% while the voltage reading has an average error of 0.06%.Keywords: IoT, power meter, power Monitor, energy consumption","PeriodicalId":344430,"journal":{"name":"ELKOMIKA: Jurnal Teknik Energi Elektrik, Teknik Telekomunikasi, & Teknik Elektronika","volume":"78 2 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2018-10-18","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"128094450","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

{"title":"Implementasi Load Balancing menggunakan Teknologi EtherChannel pada Jaringan LAN","authors":"K. Nugroho, Muhamad Syamsul Fallah","doi":"10.26760/elkomika.v6i3.420","DOIUrl":"https://doi.org/10.26760/elkomika.v6i3.420","url":null,"abstract":"ABSTRAKJumlah pengguna yang meningkat merupakan salah satu penyebab menurunnya kualitas jaringan jika hanya menggunakan ukuran bandwidth yang sama. Sebagai contoh pada implementasi jaringan kampus, jaringan LAN antar gedung yang berbeda biasanya dihubungkan dengan menggunakan perangkat switch. Penurunan performansi jaringan pada jaringan tersebut akibat pertambahan jumlah pengguna bisa diatasi dengan menggunakan konsep load balancing dengan memanfaatkan teknologi EtherChannel. Implementasi teknologi tersebut dapat menggunakan dua pilihan protokol yaitu PAgP dan LACP. Penelitian ini bertujuan untuk menguji performansi jaringan yang menerapkan konsep load balancing dengan menggunakan protokol PAgP dan LACP. Skenario pengujian menggunakan konsep client-server, dimana aplikasi server yang digunakan adalah FTP untuk implementasi layanan pertukaran data dan penggunaan software VLC untuk implementasi layanan video streaming. Pada penggunaan layanan FTP dengan protokol PAgP dihasilkan nilai delay 42% lebih baik dibandingkan dengan LACP. Begitupula untuk nilai throughput, penggunaan protokol PAgP masih lebih baik 10% dibandingkan dengan LACP.Kata kunci: LAN, Load balancing, Etherchannel, PAgP, LACP ABSTRACTThe increasing number of users is one cause of declining network performance if only use on the same bandwidth value. For example, in the implementation on the campus network, LAN among different building is usually connected using a switch. The decreasing of network performance on that network due to the increasing of the number of users which can be overcome by using a load balancing concept with EtherChannel technology utilization. The implementation of that technology uses two protocols, namely PAgP and LACP. This research intends to test the network performance by applying the load balancing concept using both PAgP and LACP protocols. The experiment scenarios used a client-server concept, where the implemented application server is FTP for exchanging data services and VLC software for implementing video streaming services. In the use of FTP services with using PAgP protocol showed a delay value of 42% better than LACP. The same with throughput value, the use of PAgP protocol still better 10% than LACP.Keywords: LAN, Load balancing, Etherchannel, PAgP, LACP","PeriodicalId":344430,"journal":{"name":"ELKOMIKA: Jurnal Teknik Energi Elektrik, Teknik Telekomunikasi, & Teknik Elektronika","volume":"121 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2018-10-18","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"117275811","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

{"title":"Purwarupa Radar sebagai Pendeteksi Benda Diam menggunakan Ultrasonik","authors":"Luky Renaldi, Sugondo Hadiyoso, D. Ramadan","doi":"10.26760/ELKOMIKA.V6I3.317","DOIUrl":"https://doi.org/10.26760/ELKOMIKA.V6I3.317","url":null,"abstract":"ABSTRAKDeteksi keberadaan objek secara otomatis pada ruangan diperlukan ketika terdapat keterbatasan dalam melakukan penginderaan. Pemanfaatan sistem radar menjadi saah satu solusi untuk penginderaan objek. Pada paper ini, diimplementasikan prototipe radar menggunakan sensor ultrasonik, mikrokontroller Arduino UNO R3 dan motor servo. Sistem ini dirancang dengan tiga buah sensor ultrasonik dengan motor sebagai penggerak horizontal dan vertikal dalam sistem pemindainya. Sensor yang berjumlah tiga buah, diletakkan pada titik yang berbeda sehingga dapat membaca jarak, sudut dan ketinggian objek dari arah titik tersebut, hasil dari pengukuran objek ditampilkan pada PC melalui aplikasi pemograman GUI. Dari hasil pengujian, radar mampu mendeteksi objek antara 5 cm dari depan radar dengan jarak maksimum 30 cm dan diperoleh tingkat kesalahan pengukuran jarak dan ketinggian sebesar 1 - 2 cm sedangkan untuk sudut 1˚- 3˚.Kata kunci: Deteksi, Radar, Ultrasonik, Jarak, SudutABSTRACTAutomatic detection of objects in the room is required when there are limitations in the sensing. Utilization of radar system becomes one solution for sensing object. In this paper, we implemented a prototype radar using ultrasonic sensor, Arduino UNO R3 microcontroller and servo motor. The system is designed with three ultrasonic sensors with motors as horizontal and vertical drive in the scanning system. Three sensors are placed at different points so that they can read the distance, angle and height of the object from that point, the result of measuring the object displayed on the PC through the GUI programming application. From the test results, the radar is able to detect objects between 5 cm from the front of the radar with a maximum distance of 30 cm and obtained the error rate measurement of distance and altitude of 1 - 2 cm while for the angle of 1˚ - 3˚.Keywords: Detection, Radar, Ultrasonic, Distance, Angle","PeriodicalId":344430,"journal":{"name":"ELKOMIKA: Jurnal Teknik Energi Elektrik, Teknik Telekomunikasi, & Teknik Elektronika","volume":"29 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2018-10-18","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"126974781","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

{"title":"Antena J-Pole Berbahan Aluminium Rod pada Komunikasi Handy Talky","authors":"Dwi Aryanta, Lita Lidyawati, Mulia Eza Akmal","doi":"10.26760/elkomika.v6i3.367","DOIUrl":"https://doi.org/10.26760/elkomika.v6i3.367","url":null,"abstract":"ABSTRAKPerangkat komunikasi Handy Talky (HT) yang ada saat ini masih relatif banyak dipergunakan mengingat nilai ekonomis yang dimilikinya. Pada beberapa tipe, perangkat ini memiliki kekurangan dalam hal jangkauan. Penelitian ini bertujuan untuk merealisasikan dua buah antena J-Pole menggunakan bahan aluminium rod yang diaplikasi pada perangkat HT pada frekuensi 144 MHz. Hasil realisasi kedua antena diperoleh gain antena 1 dan 2 masing-masing sebesar 6,23 dB dan 6,34 dB, dimana VSWR didapatkan sebesar 1,27 dan 1,16. Nilai Return Loss pada antena 1 dan 2 masing-masing sebesar -18,58 dB dan -22,48 dB. Antena J-Pole yang diaplikasikan dapat menambah jarak jangkau HT yang digunakan sejauh 2,46 km dari penggunaan antena existing.Kata kunci: J-Pole, Handy Talky, VSWR, Gain, Omnidirectional. ABSTRACTHandy Talky (HT) communication devices that exist today are still relatively widely used considering the economic value it has. In some types, this device has a deficiency in terms of range. This study aims to realize two J-Pole antennas using aluminum rod material applied to HT devices at a frequency of 144 MHz. The second antenna gain result obtained antenna gain 1 and 2 respectively equal to 6.23 dB and 6.34 dB, where VSWR got equal to 1.27 and 1.16. Return Loss values on antennas 1 and 2 are respectively -18.58 dB and -22.48 dB. The applied J-Pole antenna can increase the range of HT used as far as 2.46 km from the use of existing antenna.Keywords: J-Pole, Handy Talky, VSWR, Gain, Omnidirectional","PeriodicalId":344430,"journal":{"name":"ELKOMIKA: Jurnal Teknik Energi Elektrik, Teknik Telekomunikasi, & Teknik Elektronika","volume":"1 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2018-10-18","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"125969457","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

{"title":"Penerapan Teknik MPPT pada Modul Surya menggunakan Konverter DC-DC Topologi Synchronous Buck","authors":"Ratna Susana, Kemal Rosyidi, Decy Nataliana","doi":"10.26760/elkomika.v6i3.328","DOIUrl":"https://doi.org/10.26760/elkomika.v6i3.328","url":null,"abstract":"ABSTRAKKondisi sel surya sangat dipengaruhi oleh suhu dan intensitas matahari yang berperilaku dinamis, sehingga sel surya sulit mencapai titik tegangan dan arus maksimumnya. Sedangkan berdasarkan kurva karakteristik Daya-Tegangan sel surya, terdapat satu titik daya keluaran maksimum pada saat tertentu. Titik daya maksimum tersebut dapat dilacak menggunakan teknik Maximum Power Point Tracking (MPPT). Penerapan teknik MPPT pada modul surya menggunakan konverter DC-DC topologi synchronous buck yang dilakukan pada penelitian ini menggunakan metode perturb and observe. Pengaturan duty cycle PWM oleh Arduino Uno pada konverter DC-DC, akan menggeser titik daya modul surya agar selalu berada pada kondisi maksimum. Efisiensi konverter synchronous buck yang dihasilkan paling rendah adalah 43,73% pada duty cycle 10% dan tertinggi 95,6% pada duty cycle 100%. Hasil pengujian tanpa MPPT didapatkan daya keluaran modul surya tertinggi sebesar 16.49 Watt, dan pada saat yang sama ketika pengujian dilakukan dengan menerapkan teknik MPPT, maka daya keluaran modul surya yang terlacak adalah sebesar 23.60 Watt.Kata kunci: modul surya, MPPT, synchronous buck, perturb and observe.ABSTRACTThe condition of solar cells is very influenced by the temperature and the sun intensity which behaves dynamically, so that solar cells are difficult to reach the maximum point of  voltage and current. Whereas based on the Power-Voltage characteristics curve of  solar cells, there is a maximum output power point at any given moment. The maximum power point can be tracked using Maximum Power Point Tracking (MPPT) technique. Application of MPPT technique on solar module using DC-DC converter synchronous buck topology which is done in this research using perturb and observe method. PWM duty cycle setting by Arduino Uno in DC-DC converter, will shift the solar module power point to always be in maximum condition. The lowest synchronous buck converter efficiency is 43.73% in the 10% duty cycle and the highest is 95.6% in the 100% duty cycle. The test results without MPPT obtained the highest solar module output power of 16.49 Watt, and at the same time when the test is done by applying the MPPT technique, the tracked solar module output power is 23.60 Watt.Keywords: solar module, MPPT, synchronous buck, perturb and observe.","PeriodicalId":344430,"journal":{"name":"ELKOMIKA: Jurnal Teknik Energi Elektrik, Teknik Telekomunikasi, & Teknik Elektronika","volume":"38 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2018-10-18","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"121510420","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

{"title":"Optimasi Sistem Penyembunyian Data pada Audio menggunakan Sub-band Stasioner dan Manipulasi Rata-rata Statistik","authors":"Ledya Novamizanti, Gelar Budiman, Bhisma Adi Wibowo","doi":"10.26760/ELKOMIKA.V6I2.165","DOIUrl":"https://doi.org/10.26760/ELKOMIKA.V6I2.165","url":null,"abstract":"ABSTRAKKasus pelanggaran hak cipta musik atau lagu menjadi masalah dan mendapat perhatian serius oleh industri musik di Indonesia. Teknik audio watermarking merupakan salah satu solusi untuk melindungi hak cipta audio digital dari tindakan ilegal dengan cara menyembunyikan watermark berupa identitas pemilik ke dalam audio tersebut. Pada penelitian ini, audio host diubah menjadi matriks 1-dimensi untuk proses framing. Selanjutnya Stationary Wavelet Transform (SWT) digunakan untuk mendapatkan sub- band stasioner terpilih yang akan disisipkan watermark. Metode Statistical Mean Manipulation (SMM) akan menghitung rata-rata host audio dalam satu frame, dan dilakukan proses penyisipan bit. Optimasi dilakukan dengan melakukan evaluasi parameter yang menghasilkan BER paling tinggi setelah sistem diberikan serangan. Hasil dari optimasi diperoleh suatu sistem audio watermarking yang kuat dan tahan terhadap gangguan signal, dengan rata-rata BER 0.113, SNR 31 dB, ODG -0.6, dan MOS 4.6.Kata kunci: audio watermarking, SWT, SMM, optimasiABSTRACTThe case of copyright infringement of music or song becomes a serious problem in Indonesia. Audio watermarking technique is one solution to protect the music copyright of digital audio from illegal acts by hidding the watermark in the form owner's identity into the audio. The workings of audio watermarking is to embed the watermark in the form owner's identity into the audio. In this study, the audio host is converted into a 1-dimensional matrix for the framing process. Furthermore Stationary Wavelet Transform (SWT) used to obtain stationary sub-bands selected to be inserted watermark. Statistical methods Mean Manipulation (SMM) will calculate the average host audio in one frame, and do bits insertion process. Optimization is done by evaluating the parameters that produce the highest BER after the system is given an attack. The results of the optimization obtained an audio watermarking system that is robust and resistant to signal interference, with the average BER 0.113, SNR 31 dB, ODG -0.6, and MOS 4.6. Keywords: audio watermarking, SWT, SMM, optimization","PeriodicalId":344430,"journal":{"name":"ELKOMIKA: Jurnal Teknik Energi Elektrik, Teknik Telekomunikasi, & Teknik Elektronika","volume":"86 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2018-07-09","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"124765910","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

{"title":"Analisis Kinerja GPSR dan AODV pada VANET dengan Skema Pengimbangan Beban Trafik","authors":"R. Prasetia, Doan Perdana, Ridha Muldina Negara","doi":"10.26760/elkomika.v6i2.207","DOIUrl":"https://doi.org/10.26760/elkomika.v6i2.207","url":null,"abstract":"ABSTRAKSalah satu permasalahan di kota-kota besar adalah kemacetan lalu lintas yang disebabkan karena tidak mencukupinya ruas jalan, volume kendaraan yang begitu besar, persebaran kendaraan yang tidak merata dan lain-lain. Salah satu solusinya adalah para pengendara dapat menggunakan aplikasi peta digital pada smartphone-nya. Oleh karena itu perlu dilakukan pengimbangan beban trafik kendaraan. Pada penelitian ini akan dibahas mengenai kinerja VANET yang menggunakan protokol routing GPSR dan AODV dengan skema pengimbangan beban trafik kendaraan dengan pengaruh kepadatan node. Perancangan sistem simulasi terbagi menjadi dua subsistem yaitu subsistem mobilitas dan jaringan. Kemudian dilakukan pengimbangan beban trafik kendaraan, dan kinerja VANET akan diamati. Performansi dievaluasi dengan average end to end delay, throughput, dan packet delivery ratio. Nilai rata-rata throughput, PDR, delay untuk GPSR adalah 142.21 Kbps, 87.47 %, dan 82.83 ms. Sedangkan AODV adalah 119.81 Kbps, 86.67 %, dan 103.21 ms. Dari hasil penelitian nilai QoS performansi dari routing protocol GPSR lebih baik dari pada AODV pada VANET.Kata kunci: Vanet, Pengimbangan Beban, GPSR, AODV.ABSTRACTOne of the problems in big cities is congestion. The congestion is caused byinsufficient road segment, large volume of vehicles, unbalanced spread ofvehicles and others. One solution is that riders can use digital map applications on their smartphones. Therefore it is necessary to balancing the traffic load of vehicles. In this research will be discussed about VANET performance using GPSR and AODV routing protocol with vehicle traffic load balancing scheme with node density influence. The design of the simulation system is divided into two subsystems namely mobility and network subsystem. Then balancing the vehicle traffic load, and VANET performance will be observed. Performance is evaluated with the average end to end delay, throughput, and packet delivery ratio. The mean value of throughput, PDR, delay for GPSR respectively 142.21 Kbps, 87.47%, and 82.83 ms. While AODV is 119.81 Kbps, 86.67%, and 103.21 ms. From the simulation results can be concluded that the performance of GPSR is better than AODV on VANET. Keywords: Vanet, Load Balancing, GPSR, AODV.","PeriodicalId":344430,"journal":{"name":"ELKOMIKA: Jurnal Teknik Energi Elektrik, Teknik Telekomunikasi, & Teknik Elektronika","volume":"65 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2018-07-09","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"122864868","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

{"title":"Sistem Pengukur Tinggi dan Berat Badan berbasis Morphological Image Processing","authors":"S. Aulia, Fajri Eka Satria, Ratri Dwi Atmaja","doi":"10.26760/ELKOMIKA.V6I2.219","DOIUrl":"https://doi.org/10.26760/ELKOMIKA.V6I2.219","url":null,"abstract":"ABSTRAKPengukuran tinggi dan berat badan manusia sekarang ini masih bersifat manual sehingga kurang efisien jika dilakukan untuk kebutuhan dengan jumlah objek yang banyak. Sebagai solusi, pada penelitian ini telah dirancang suatu sistem untuk mengukur Tinggi Badan (TB) dan Berat Badan (BB) manusia berbasis Morphological Image Processing (MIP). Proses dimulai dengan citra masukan berupa citra digital full body yang dapat diambil dengan smartphone kemudian dilanjutkan dengan operasi MIP terdiri dari proses dilasi, filling dan labeling. Hasil dari MIP adalah jumlah piksel tinggi objek yang dikonversi menjadi TB (cm). Sedangkan perhitungan BB (kg) diperoleh dari luas permukaan tubuh objek berbasis BSA dengan memodelkan ke bentuk tabung elips. Dari hasil pengujian, diperoleh performansi sistem maksimum yaitu Approximate Value 98.42% untuk TB dan 94.4% untuk BB. Nilai tersebut diperoleh dengan parameter nilai jarak pengambilan 306 cm dan strel (structure element) pada MIP adalah 2.Kata kunci: tinggi badan, berat badan, BSA, morphological image processing ABSTRACTMeasurement of human height and weight are still performed manual today so it have not efficiency if conducted to many objects. As a solution, this research has designed a system for measuring the human body height and weight based on morphological image processing (MIP). The process was started with an input image of a full body digital image that retrieved with a smartphone followed by a MIP operation consisting of dilation, filling, and labeling. The result of MIP is the number of high pixels of objects converted to height in cm. While weight calculation has been obtained from surface area of body object based on BSA by modelling it to ellipse tube. The system performance is obtained at maximum Approximate Value of 98.42% for height and 94.4% for weight. That value was obtained with 306 cm distance and 2 stucture element size of MIP. Keywords: height, weight, BSA, morphological image processing","PeriodicalId":344430,"journal":{"name":"ELKOMIKA: Jurnal Teknik Energi Elektrik, Teknik Telekomunikasi, & Teknik Elektronika","volume":"32 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2018-07-09","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"121851338","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

{"title":"Purwarupa Alat Kalibrasi Kerataan Bidang Kerja menggunakan Laser Sensor","authors":"Budi Sugandi, Suradi Wiyono","doi":"10.26760/elkomika.v6i2.274","DOIUrl":"https://doi.org/10.26760/elkomika.v6i2.274","url":null,"abstract":"ABSTRAKSalah satu elemen teknologi pendukung dari industri manufaktur elektronika adalah mesin Die Attach. Mesin ini digunakan pada proses assembly komponen dengan metode pick and place komponen pada material. Sebagai proses yang penting dalam industri manufaktur, mesin ini memerlukan kalibrasi secara reguler dan tepat yang akan menjadi kunci sukses dari kualitas suatu produksi. Penelitian ini bertujuan membuat suatu purwarupa alat yang digunakan sebagai pengontrol kalibrasi dengan menggunakan laser sensor. Proses kalibrasi dilakukan dengan cara mengukur kerataan titip sisi work holder menggunakan laser sensor. Kerataan didapatkan dengan membandingkan jarak yang terukur oleh laser sensor pada tiap titik uji. Jarak yang sama pada tiap titik uji menunjukkan kerataan dari work holder. Pergerakan laser sensor dikontrol oleh dua buah motor yang bergerak ke arah sumbu X dan Y. Alat ini telah diuji dengan mengkalibrasi pada empat sisi work holder. Hasil pengujian kemudian dibandingkan dengan pengukuran manual dan didapatkan error rata-rata pengukuran sekitar 4%.Kata kunci: Laser sensor, kerataan, kalibrasi, die attach machine ABSTRACTOne of the element technology supporting an industrial manufacturing is Die Attach machine. This machine is used at component assembly using component pick and place. As an important process, this machine requires regular and precise calibration to support quality of the product. This research aims to build a prototype system using laser sensor which can be used as calibration instrument. The callibration proses was done by measuring the flatness of each side of work holder using laser sensor. The flatness was obtained by comparing the distance of each testing point. The same distance on each testing point represented the flatness of the wrok holder. The movement of laser sensor was controlled by two motors which moved to X and Y axis. The system has been tested to calibrate each side of work holder. The experimental results were then compare with manual measurement and showed the measurement error about 4%.Keywords: Laser sensor, flatness, callibration, die attach machine.","PeriodicalId":344430,"journal":{"name":"ELKOMIKA: Jurnal Teknik Energi Elektrik, Teknik Telekomunikasi, & Teknik Elektronika","volume":"126 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2018-07-09","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"131795711","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}