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2013-05-08 08:51:40
Untag Telah Luluskan 35.000 Sarjana
2013-05-08 08:51:25
FKIP Untirta Gelar Gebyar Hardiknas 2013
2013-05-08 08:50:53
Hasil penelitian wajib disertai sosialisasi

Publikasi Penelitian Dosen

Impact of macrocell size on the implementation of LTE femto integrated with GSM Network
Abstrak

In  this  study  we  investigate  the  impact  of  macrocell  size  on  the  implementation  LTE  femto Integrated with GSM network since the coexistence network strongly depends on deployment condition, for instance, macrocell size. In the previous study related to the coexistence network, LTE femto are deployed in GSM macrocell. The LTE femto itself operates in GSM band under certain frequency allocati on scheme as a means of facilitating smooth transition toward LTE on GSM frequency band. Nevertheless, it does not provide a solution about the impact of macrocell size yet. Uplink of GSM is considered in this study. The performance  of  both  systems  are  analyzed  mathematically  in  terms  of  SINR  and  femtocell  throughput. Simulation is employed to support analysis which the result shows that macrocell size will give an impact to the performance of the coexistence system. Parallel to this, the expanding of macro cell size will decrease SINR GSM BS, in spite of that, it will increase SINR LTE femto and femtocell throughput as well. For that reason, the implementation of LTE femto integrated with GSM network can be influenced by macrocell size

Penulis : , [PDF File] didownload : 96 x

Rancang Bangun Simulator Sistem Pengepakan Produk berbasis Programmable Logic Control
Abstrak

Otomasi adalah teknologi yang terkait dengan aplikasi mesin, elektronik, sistem control dan komputer untuk dapat mengoperasikan dan mengendalikan proses produksi. Pada penerapannya, otomasi digunakan untuk mengurangi waktu proses manufaktur, kesalahan akibat operator dan penyimpanan. Salah satu bagian dari proses produksi adalah proses pengepakan yang merupakan rangkaian proses agar produk tersimpan dalam sebuah kemasan. Tulisan ini membahas rancang bangun simulator sistem pengepakan produk pada jalur produksi. Metode perancangan yang digunakan dalam rancang bangun ini adalah metode French. Perbandingan hasil waktu desain proses dan aktual proses, yaitu: 16,69 detik dan 18,01 detik. Terdapat perbedaan waktu sebesar 1,32 detik antara waktu desain proses dan waktu aktual proses. Perbedaan waktu tersebut dibandingkan terhadap delay yang ditetapkan pada program PLC, yaitu sebesar 1,5 detik. Tingkat keakurasian delay pada program sebesar 88% dan masih dalam kategori baik, sehingga bisa diaplikasikan pada simulator pengepakan ini.

Penulis : DEDE LIA ZARIATIN , Dr. S.T. , M.T [PDF File] didownload : 30 x

An Experimental Guidline to Manufacture Micro-Impeller using Micro-Milling Process.
Abstrak

The objective of this research is to contribute an experimental guideline to manufacture micro-impellers by micro-milling process. This guideline is composed by analyzing and resuming the machining result that performed this research and related findings from other published journals. Numbers of machining process were performed in order to see the feasibility to produce micro-impellers. There are three important aspects that must be considered for manufacturing a micro-impeller, which are the geometric design of the micro-impeller, optimum cutting parameters and machining strategy to manufacture pre-eminent micro-impeller. The capability of available commercial CAD/CAM system to design micro-impeller is found adequate to confirm the design requirement in certain range of dimension. The constraints to manufacture micro-impeller such as dimensional tolerance, burrs occurrence, and work piece deflection must be considered appropriately. Indeed, this paper is an experimental reference to plan manufacturing process for micro-impeller or other micro-product.

Penulis : DEDE LIA ZARIATIN , Dr. S.T. , M.T [PDF File] didownload : 30 x

KARAKTERISASI SEDIAAN GRANUL BIJI SIRSAK (ANNONA MURICATA L.) dan UJI EFEKTIVITAS terhadap LARVA AEDES AEGYPTI L. sebagai KANDIDAT BIOLARVASIDA
Abstrak

Aedes aegypti mosquito is a vector of virus caused  dengue fever. The effort to control Aedes aegypti vector has been done so many times, including chemical, physical, and biological method. A biological control against this vector can be performed by utilizing soursop seeds which are  known to have larvicidal effect against the larvae. Previously, it has been proven that the extract  of soursop seed demonstrated larvicidal activity against Aedes aegypti . In this research, the extraction of soursop seed  has been carried out  by kinetic maceration with the solvent  70% of ethanol. Furthermore, the wet granulation of the obtained extract was used for the preparation of granules which were then tested its larvicidal activity against Aedes aegypti. Based on the activity test against the larva of Aedes aegypti,   the granules showed LC50 values of 295.434 ppm  smaller than temephos as a positive control that has larvicidal activity of 1ppm cause 100% mortality Aedes aegypti.

 

Keywords: Aedes aegypti L., Annona muricata L., granules, soursop seed, biolarvacide 

Penulis : RATNA DJAMIL , Dr MSi Apt [PDF File] didownload : 48 x

Uji Penghambatan Enzim α-Glukosidase Secara In-Vitro dari Ekstrak Etanol 70% Daun Leunca
Abstrak
Penulis : RATNA DJAMIL , Dr MSi Apt [PDF File] didownload : 29 x

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