Matrix (Stuttgart, Germany)最新文献

{"title":"ANALISIS PERSENTASE PEMBEBANAN DAN DROP TEGANGAN JARINGAN TEGANGAN RENDAH PADA GARDU DISTRIBUSI GA 0032 PENYULANG WIBRATA","authors":"I. Ta, I. Sangka, Ida Bagus Ananta Wijaya, I. W. Sudiartha","doi":"10.31940/matrix.v7i2.526","DOIUrl":"https://doi.org/10.31940/matrix.v7i2.526","url":null,"abstract":"Listrik merupakan kebutuhan dasar yang sangat penting  untuk masyarakat dan memberikan kontribusi terhadap pertumbuhan ekonomi. Agar listrik dapat diandalkan, penting untuk menghindari pemadaman listrik. Dalam studi ini, penulis menganalisis persentase pembebanan dan drop tegangan pada Jaringan Tegangan Rendah di gardu distribusi GA 0032, penyulang Wibrata. Kami menghitung persentase pembebanan pada luar waktu beban puncak (LWBP) dan waktu beban puncak (WBP) dan menentukan drop tegangan pada tiang listrik terakhir GA 0032. Penulis menyimpulkan bahwa perhitungan persentase pembebanan pada LWBP sebesar 59,89% dan pada WBP sebesar 81,51%. Total drop tegangan pada rentang arah B fase R sebesar 24,03 V atau 10,4%; fase S sebesar 10,36 V atau 4,36%; fase T sebesar 3,48V atau 1,51%. Sementara total drop tegangan pada rentang arah D fase R sebesar 3,48 V atau 1,51 %; fase S sebesar 2,14 V atau 0,93%; fase T sebesar 0,90 V atau 0,39%.","PeriodicalId":77253,"journal":{"name":"Matrix (Stuttgart, Germany)","volume":"7 1","pages":"42-46"},"PeriodicalIF":0.0,"publicationDate":"2017-07-29","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"46097124","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":"SIMULASI PEMISAH KEMATANGAN BUAH JERUK BERDASARKAN WARNA BERBASIS MIKROKONTROLER ATMEGA 328P","authors":"I. K. Darminta, I. N. Sukarma, I. Budiawan","doi":"10.31940/MATRIX.V7I2.520","DOIUrl":"https://doi.org/10.31940/MATRIX.V7I2.520","url":null,"abstract":"ABSTRAK: Pada saat ini masih banyak pekerjaan pertanian yang masih menggunakan tenaga pekerja (tradisional) dalam melakukan kegiatan produksi dan setelah produksi tanaman jeruk, salah satu contoh adalah penyortiran buah. Penyortiran buah merupakan tahap pemisahan buah hasil panen berdasarkan tingkat kematangan buah, ditandai dengan perbedaan warna buah jeruk. Tingkat kematangan pada buah jeruk dibagi menjadi 3 tingkatan, yaitu : hijau, hijau kekuning-kuningan dan kuning. Warna hijau biasanya memiliki kandungan rasa yang asam, Warna hijau kekuning-kuningan memiliki karakteristik rasa yang manis disertai dengan sedikit rasa asam dan memiliki kandungan banyak air. Sedangkan warna kuning memiliki rasa yang manis. Pengelompokan buah jeruk pada beberapa industri pertanian saat ini masih dilakukan dengan cara konvensional, tentunya memiliki kekurangan, seperti manusia memiliki keterbatasan dalam waktu pengerjaan dan berpikir, seringkali merasa jenuh atau lalai untuk melakukan penyortiran dalam waktu yang lama. Perancangan sistem yang berbasis mikrokontroler atmega 328P dapat membantu meringankan pekerjaan manusia  dengan membuat alat pemisah buah berdasarkan warna yang dilengkapi dengan sensor photodioda sebagai pemilih warna yang dilengkapi dengan motor servo sebagai pemisah.","PeriodicalId":77253,"journal":{"name":"Matrix (Stuttgart, Germany)","volume":"7 1","pages":"27-31"},"PeriodicalIF":0.0,"publicationDate":"2017-07-29","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"43798975","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":"PERANCANGAN SIMULASI SISTEM PENDAFTARAN KURSUS BERBASIS WEB DENGAN METODE SDLC","authors":"J. Elektro","doi":"10.31940/MATRIX.V7I2.527","DOIUrl":"https://doi.org/10.31940/MATRIX.V7I2.527","url":null,"abstract":"This study aims to design a course enrollment simulation for students so that it can be accessed online. In addition, transaction data is made to be computerized. The design of this system using the SDLC method (System Development Life Cycle) in five stages of Analysis, Design, Implementation, Testing and Maintenance. The results achieved from this research is a simulation of web-based course registration system that capable of performing well integrated and computerized data processing.","PeriodicalId":77253,"journal":{"name":"Matrix (Stuttgart, Germany)","volume":"7 1","pages":"38"},"PeriodicalIF":0.0,"publicationDate":"2017-07-29","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"48715561","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":"KARAKTERISTIK PARKIR SEPEDA MOTOR PADA PUSAT PERBELANJAAN HARDY’S SESETAN","authors":"I. K. Sutapa, I. Suparta, I. Susila","doi":"10.31940/MATRIX.V7I1.522","DOIUrl":"https://doi.org/10.31940/MATRIX.V7I1.522","url":null,"abstract":"","PeriodicalId":77253,"journal":{"name":"Matrix (Stuttgart, Germany)","volume":"7 1","pages":"23"},"PeriodicalIF":0.0,"publicationDate":"2017-03-31","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"43570294","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":"APLIKASI PENATAAN PARKIR BASEMENT MOBIL DENGAN POLA PETAK PARKIR 900 MENINGKATKAN KEPUASAN PENGGUNA PARKIR MALL RAMAYANA DENPASAR","authors":"I. K. Sutapa, I. M. Sudiarsa, I. Susila","doi":"10.31940/MATRIX.V7I1.515","DOIUrl":"https://doi.org/10.31940/MATRIX.V7I1.515","url":null,"abstract":"","PeriodicalId":77253,"journal":{"name":"Matrix (Stuttgart, Germany)","volume":"7 1","pages":"13"},"PeriodicalIF":0.0,"publicationDate":"2017-03-31","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"43467391","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":"PEMODELAN SISTEM KONTROLER LOGIKA FUZZY PADA PENGATURAN KECEPATAN MOTOR INDUKSI MENGGUNAKAN PERANGKAT LUNAK MATLAB / SIMULINK","authors":"I. W. Ardana, I. P. Sutawinaya","doi":"10.31940/MATRIX.V7I1.504","DOIUrl":"https://doi.org/10.31940/MATRIX.V7I1.504","url":null,"abstract":"Salah satu kelemahan penggunaan kontroler konvensional PID pada pengaturan kecepatan motor induksi adalah kesulitan di dalam menentukan nilai parameter ( gain ) yang sesuai.  Untuk menutupi kelemahan  itu, pada riset ini peneliti mengembangkan suatu sistem kontrol yang berbasis teknologi logika fuzzy.  Kontroler logika fuzzy ditengarai dapat bekerja dengan respon yang cepat dan performansi yang cukup bagus. Dari simulasi yang dibuat menggunakan Simulink, diperoleh hasil bahwa sistem kontroler logika fuzzy mampu memperbaiki kinerja pengaturan kecepatan motor induksi dengan memperkecil lonjakan dan waktu pemulihan untuk mencapai setpoint .","PeriodicalId":77253,"journal":{"name":"Matrix (Stuttgart, Germany)","volume":"7 1","pages":"1-6"},"PeriodicalIF":0.0,"publicationDate":"2017-03-31","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"41549593","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":"PERFORMA PEMANGGIL ANTRIAN MENGGUNAKAN MIKROKONTROLER ATMEGA328","authors":"I. N. Sukarma, I. N. Mudiana, Septian Udayana","doi":"10.31940/matrix.v7i1.163","DOIUrl":"https://doi.org/10.31940/matrix.v7i1.163","url":null,"abstract":"Pada kantor atau instansi pelayanan publik, banyak masyarakat yang berkunjung dan menunggu giliran melakukan pembayaran atau transaksi lainnya. Petugas pada instansi tersebut memerlukan sistem pemanggil antrian elektronik untuk menjaga agar antrian berlangsung tertib dan aman. Untuk keperluan ini, peneliti melakukan perancangan dan pembuatan sistem pemanggil antrian  elektronik dimana petugas dapat memanggil nomor urut antrian dengan hanya menekan tombol. Sistem pemanggil antrian ini dilengkapi dengan display LED dan speaker . Pada display LED akan muncul angka sesuai dengan hitungan nomor saat itu dan pada speaker akan terdengar nomor antrian. Sistem antrian elektronik ini dirancang menggunakan mikrokontroler ATmega328 yang dilengkapi mp3 decoder dengan fungsi untuk membaca format file mp3 serta speaker guna memanggil para pengantri sesuai dengan nomor urut pada display LED. Dari hasil pengujian, sistem pemanggil antrian ini dapat bekerja dengan baik hingga nomor antrian 999.","PeriodicalId":77253,"journal":{"name":"Matrix (Stuttgart, Germany)","volume":"7 1","pages":"18-22"},"PeriodicalIF":0.0,"publicationDate":"2017-03-31","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"47836439","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 KEANDALAN SISTEM PT PLN AP BALI UTARA DENGAN METODA SERVQUAL","authors":"I. Parti, I. W. Suwardana","doi":"10.31940/MATRIX.V7I1.217","DOIUrl":"https://doi.org/10.31940/MATRIX.V7I1.217","url":null,"abstract":"Analysis of customer satisfaction on service quality is a necessity for every company. It is intended to determine the level of performance and expectation that has been given by management and as an evaluation for future performance improvement. This study aimed to analyze five dimensions that can affect customer satisfaction of PT PLN AP Bali Utara, i.e: Reliability, Responsivity, Assurance, Empathy, and Tangibility using Servqual method. Based on the results of a performance study of PT PLN AP Bali Utara on household customers, there is still considerable gaps between performance and expectation of customers of PT PLN AP Utara, i.e: Reliability of 1.48, Responsivity of 1.32, Assurance of 1.23, Empathy of 1.15, and Tangibility of 0.98. Management must improves the quality of services including power outage, notification of blackout, easy given and understandable information, employees existence, queues to pay electricity bills, and attention to customers.","PeriodicalId":77253,"journal":{"name":"Matrix (Stuttgart, Germany)","volume":"7 1","pages":"7"},"PeriodicalIF":0.0,"publicationDate":"2017-03-31","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"47004367","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":"Hyaluronic Acid Modulates Proliferation, Collagen and Protein Synthesis of Cultured Fetal Fibroblasts","authors":"Bruce A. Mast ,&nbsp;Robert F. Diegelmann,&nbsp;Thomas M. Krummel ,&nbsp;I. Kelman Cohen","doi":"10.1016/S0934-8832(11)80110-1","DOIUrl":"10.1016/S0934-8832(11)80110-1","url":null,"abstract":"<div><p>Fetal wound healing is characterized by minimal inflammation, mild fibroplasia and rapid, but organized collagen deposition such that scarring is not apparent. The matrices of fetal wounds differ greatly from adult wounds in that fetal wounds are persistently enriched with hyaluronic acid (HA). It has been shown that a reduction in fetal rabbit wound HA results in an adult-like healing response with increased fibroplasia and neovascularization. These observations suggest that HA can modulate cellular activity in fetal repair. Therefore, this study was designed to define the effect of HA on fetal fibroblast function. Fibroblasts from the skin of fetal rabbits were isolated and maintained in culture medium containing either no HA (controls), 1 flg/ml, 10 flg/ml or 100 flg/ml of HA (n = 6 for each group). Fibroblast proliferation was quantitated by DNA content in each culture, and collagen and noncollagen protein synthesis were analyzed by incorporation of [3H] proline into collagenase-digestible and collagenase-nondigestible protein, respectively. At all concentrations tested, HA significantly inhibited fetal fibroblast proliferation (p &lt; 0.02), but stimulated collagen (p &lt; 0.002) and noncollagen protein (p &lt; 0.005) synthesis. These findings provide further evidence that HA affects the function of fetal fibroblasts. Moreover, this study in conjunction with previous in utero findings suggests that HA may have a regulatory influence in scarless fetal healing by affecting cellular function during the repair process.</p></div>","PeriodicalId":77253,"journal":{"name":"Matrix (Stuttgart, Germany)","volume":"13 6","pages":"Pages 441-446"},"PeriodicalIF":0.0,"publicationDate":"1993-11-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://sci-hub-pdf.com/10.1016/S0934-8832(11)80110-1","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"19297123","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":"Dissociation of Actin Microfilament Organization from Acquisition and Maintenance of Elongated Shape of Human Dermal Fibroblasts in Three-Dimensional Collagen Gel","authors":"Toshio Nishiyama ,&nbsp;Makoto Tsunenaga ,&nbsp;Nobuko Akutsu ,&nbsp;Izumi Horii ,&nbsp;Yasuhisa Nakayama ,&nbsp;Eijiro Adachi ,&nbsp;Masayuki Yamato ,&nbsp;Toshihiko Hayashi","doi":"10.1016/S0934-8832(11)80111-3","DOIUrl":"10.1016/S0934-8832(11)80111-3","url":null,"abstract":"<div><p>Actin micro filaments of the fibroblasts cultured in a collagen gel were distributed along the inner surface of the entire cell membrane, in either spherical shape at an initial stage of culture or elongated shape at a later stage. The distribution was quite different from that of the fibroblast cultured on a two-dimensional surface, where actin microfilaments were found to be aligned essentially along the inner membrane which is in contact with a flat surface. Timing of morphological change from spherical shape to spread shape or elongated shape was also greatly affected by contact with substrates whether in two-dimension or in three-dimension: distinct morphological change was observed within 6 h on glass or on the collagen gel, and at 30 h or later within the collagen gel. The retardation of cell elongation in the gel was antagonized by a low dose (0.2 µM) of cytochalasin D, although the drug kept the cells in round shape at a concentration of 2 µM. Since a low concentration of cytochalasin was reported to induce actin polymerization <em>in vitro</em>, the organization of actin micro filaments was examined by rhodamine-phalloidin staining. It was found that actin filaments in elongated cells by low cytochalasin D were disrupted. These results suggest that accelerated acquisition of elongated shape by the treatment of a low dose of cytochalasin D might be initiated by destabilization of the actin microfilaments that may scaffold the spherical shape of the cell in the collagen gel. The elongated shape thus formed returned to spherical upon washing of the added free cytochalasin D. This is not the case with the elongated cells which had been established by a prolonged culture such as 40 h after starting the culture in the gel. That is, addition of cytochalasin D at a highest dose of 2.0 µM did not change the elongated shape in spite of the complete disruption of actin micro filaments of the fibroblasts. These findings suggest that actin microfilament organization is not actively involved in, or dissociated from, acquisition and maintenance of elongated shape of fibroblasts in the collagen gel.</p></div>","PeriodicalId":77253,"journal":{"name":"Matrix (Stuttgart, Germany)","volume":"13 6","pages":"Pages 447-455"},"PeriodicalIF":0.0,"publicationDate":"1993-11-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://sci-hub-pdf.com/10.1016/S0934-8832(11)80111-3","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"19297124","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}