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INDONESIA
Jurnal technoscientia
Published by Institut Sains dan Teknologi AKPRIND
ISSN : 19798415     EISSN : -     DOI : -
Core Subject : Science, Engineering,
Chemical Engineering, Chemistry & Bioengineering Computer Science & IT Industrial & Manufacturing Engineering Materials Science & Nanotechnology Mechanical Engineering
Arjuna Subject : -
Articles 18 Documents
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Search results for , issue "Technoscentia Vol 1 No 2 Februari 2009" : 18 Documents clear
REDUKSI DERAU DENGAN MENGGUNAKAN TAPIS ADAPTIF Kristiyana, Samuel
JURNAL TEKNOLOGI TECHNOSCIENTIA Technoscentia Vol 1 No 2 Februari 2009
Publisher : Lembaga Penelitian & Pengabdian Kepada Masyarakat (LPPM), IST AKPRIND Yogyakarta

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (781.489 KB) | DOI: 10.34151/technoscientia.v1i2.401

Abstract

In signal processing, often contaminated by other signal that has bad influence or called by noise. Noise will lose by using adaptive filter with predict method. This filter needs two inputs that are contaminated signal with delayed input as main input which use as training input and the other contaminated signal with input as reference input, so result of error is the success process of reduction noise. This filter use LMS filter of algorithm value variable with adapted process filter. Adaptive filter with predict method tested by noise signal. This filter tested by kind of variable value and μ. So, we will get a point of value, total of optimal value and also the μ optimal value.
BIOSTRATIGRAFI DAN BIODATUM FORAMINIFERA PLANKTONIK SUMUR-95 DI DAERAH CEPU KABUPTEN BLORA JAWA TENGAH Sanyoto, Siwi
JURNAL TEKNOLOGI TECHNOSCIENTIA Technoscentia Vol 1 No 2 Februari 2009
Publisher : Lembaga Penelitian & Pengabdian Kepada Masyarakat (LPPM), IST AKPRIND Yogyakarta

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (732.473 KB) | DOI: 10.34151/technoscientia.v1i2.402

Abstract

Planktonic foraminiferals are used to identify locally, regionally and inter-regio-nally stratigraphic correlation. Due to stratigraphic correlation, using fossil is further applied in base on a number of biodatums. Based on planktonic foraminiferal analyses, within sixty-eight rock samples which were taken each 10 m for the interval, can be com-piled within three biodatums and one partially zone, i.e Globorotalia tosaensis tenuetheca biodatum, Glorotalia truncatulinuides truncatulinoides biodatum, and Globigerina calida calida biodatum; also partially zona of Globigerina calida-calida.
APLIKASI CENTRIFUGE TURNTABLE BERBASIS MIKROKONTROLER AT89C51 DENGAN PENAMPIL LCD GM2004 Hani, Slamet
JURNAL TEKNOLOGI TECHNOSCIENTIA Technoscentia Vol 1 No 2 Februari 2009
Publisher : Lembaga Penelitian & Pengabdian Kepada Masyarakat (LPPM), IST AKPRIND Yogyakarta

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (131.352 KB) | DOI: 10.34151/technoscientia.v1i2.403

Abstract

A Centrifuge is one very important medical apparatus for separating some me-dical subtracts such as blood, urine, drugs for producing vaccines and antitoxins. Ba-sically this apparatus is centrifugal turntable equipped with a study turning mechanism and a set of tube holders to accommodate 4 up to 20 subtract sample tubes. The needed rotation controlling system was designed and constructed in steps. First, for the entire mechanical as well as electronic subsystem. Second, on the details of the electronic hardware and the connected mechanism. Third, the software needed to run the electronic hardware. Fourth, to load the controlling program into the AT89C51 microcontroller and finally the run test of the entire system. The result shows that this centrifuge regulator works sufficiently well to replace the original failing system.
SISTEM KUNCI ELEKTRONIS DENGAN PEREKAM WAKTU AKSES BERBASIS MIKROKONTROLER AT89C51 -, Subandi
JURNAL TEKNOLOGI TECHNOSCIENTIA Technoscentia Vol 1 No 2 Februari 2009
Publisher : Lembaga Penelitian & Pengabdian Kepada Masyarakat (LPPM), IST AKPRIND Yogyakarta

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (336.048 KB) | DOI: 10.34151/technoscientia.v1i2.404

Abstract

The technology development nowadays, especially electronic technology has been reaching great strides. Every technology in almost any sector needs electronic device. As a door lock, now, can used electronic technology as its controller system. To make electronic key system has few steps. First, make planning to design electronic and mechanic system of the door lock. Second, design the hardware and drill PCB followed by assembly the electronic component. Third, design software by using algorithm from system. Fourth, flash the assembler program into the IC AT89C51 and set it to hardware, next test the completed system. Microcontroller system on that application connected to another interface like as ADC, DAC, LCD etc. The finishing from the system is checked. The result, this system can be applied to door lock system with time recording access. It uses Real Time Clock (RTC), Line Port Terminal (LPT), IC AT89C51 and hand phone Siemens M35i as the interface system.
ANALISIS DISTRIBUSI KERUSAKAN AKIBAT GEMPABUMI 27 MEI 2006 MELALUI PENDEKATAN KEGUNUNGAPIAN DI DAERAH WONOLELO DAN SEKITARNYA, KABUPATEN BANTUL, DAERAH ISTIMEWA YOGYAKARTA Mulyaningsih, Sri; Husadani, Y T; Devi, L R; Irawan, S N
JURNAL TEKNOLOGI TECHNOSCIENTIA Technoscentia Vol 1 No 2 Februari 2009
Publisher : Lembaga Penelitian & Pengabdian Kepada Masyarakat (LPPM), IST AKPRIND Yogyakarta

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (1147.179 KB) | DOI: 10.34151/technoscientia.v1i2.405

Abstract

Northern Wonolelo area till Berbah was the areas with the most damaged generated by an earthquake of 27 May 2006. On the other hand, volcanic rocks within circular features characterize the areas. Palaeovolcanism had intensively deformed their lithology, generated normal faults and shear joints, in radial pattern with the axis of the vent. The earthquake force reactivated the existing faults and shears. Area with past central eruptions easier to deformed than the others. Volcanic-stratigraphy analyses found three periods of explosively volcanisms intersecting with composite volcanisms, created three escarpments separating each others. There fore, there were three zones of the most damaged areas according to the distributions of central eruptions; i.e Wonolelo and it vicinities, Sudimoro (Segoroyoso) and its vicinities, and Watuadeg-Senthong and its vicinities. Further subsurface research is necessary to verify the central of old volcano that caused the damages.
ANALISIS PERAWATAN ROBOT SPOT UNTUK MENGETAHUI KEANDALAN MESIN PRODUKSI DAN KETERSEDIAAN SPARE PART PADA DEPARTEMENT MAINTENANCE PT. ASTRA DAIHATSU MOTOR JAKARTA -, Suhartono
JURNAL TEKNOLOGI TECHNOSCIENTIA Technoscentia Vol 1 No 2 Februari 2009
Publisher : Lembaga Penelitian & Pengabdian Kepada Masyarakat (LPPM), IST AKPRIND Yogyakarta

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (145.819 KB) | DOI: 10.34151/technoscientia.v1i2.407

Abstract

Robot Spot is one of an important machine in production activities of vehicle as-sembly, for example PT. Astra Daihatsu Motor, Jakarta. During production activity, relying on machine is the most significant thing that should be preserved, such as Robot Spot under Body four and Robot Spot Main Body seven. That is suggested; in order con-tinually maintenance could be performed effectively. Relying on of production machines and the willingness spare parts must be accounted to calculate their values of reliability factors, maintainability factors, availability factors and the spare part stocks. Those are approached by goodness of fit test analyses, to predict time and the damaged dis-tributions, life times and the costs of maintenance within the machines. Based on those analyses, both robot spot under body four and robot spot main body seven are having medium reliability with good condition, low rate of damage, and still accurate to be opera-ted. However, it is still necessary to overhaul those machines, so that new machines are not required.
Jurnal Technoscientia Vol 1 no 2 Februari 2009-Cover-Daftar isi Technoscientia, Jurnal Teknologi
JURNAL TEKNOLOGI TECHNOSCIENTIA Technoscentia Vol 1 No 2 Februari 2009
Publisher : Lembaga Penelitian & Pengabdian Kepada Masyarakat (LPPM), IST AKPRIND Yogyakarta

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (470.259 KB) | DOI: 10.34151/technoscientia.v1i2.669

Abstract

Jurnal Technoscientia Vol 1 no 2 Februari 2009-Cover-Daftar isi
Jurnal Technoscientia Vol 1 no 2 Februari 2009-Full Paper Technoscientia, Jurnal Teknologi
JURNAL TEKNOLOGI TECHNOSCIENTIA Technoscentia Vol 1 No 2 Februari 2009
Publisher : Lembaga Penelitian & Pengabdian Kepada Masyarakat (LPPM), IST AKPRIND Yogyakarta

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (6952.047 KB) | DOI: 10.34151/technoscientia.v1i2.672

Abstract

Jurnal Technoscientia Vol 1 no 2 Februari 2009-Full Paper

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