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Firman Yasa Utama
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INDONESIA
Indonesian Journal of Engineering and Technology (INAJET)
Published by Universitas Negeri Surabaya
ISSN : -     EISSN : 26232464     DOI : http://dx.doi.org/10.26740/inajet
Core Subject : Science, Engineering,
Civil Engineering, Building, Construction & Architecture Computer Science & IT Electrical & Electronics Engineering Engineering Mechanical Engineering
Indonesian Journal of Engineering and Technology (INAJET) is a scientific journal that publishes peer-reviewed research papers in the fields of Engineering and Technology, both theoretical, experimental, and application studies, including: Electrical Engineering, Mechanical Engineering, Informatics, Industrial Engineering, Civil Engineering.
Arjuna Subject : Teknik (semua kategori) - Teknik (Lain-Lain)
Articles 8 Documents
 1 
Search results for , issue "Vol 1, No 2 (2019): April" : 8 Documents clear
ENGENDALIAN MOTOR DC MENGGUNAKAN ARDUINO UNO PADA RANCANG BANGUN ELECTROSTATIC PRECIPITATOR Dwi, Mochamad Hanif; Aribowo, Widi
Indonesian Journal of Engineering and Technology (INAJET) Vol 1, No 2 (2019): April
Publisher : Fakultas Teknik Universitas Negeri Surabaya

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.26740/inajet.v1n2.p69-73

Abstract

Pada penelitian ini, penggerak hammer pada plat collecting elektrode menggunakan mikrocontroller ardiuino uno sebagai penggerak motor DC. Tujuan dari penelitian ini adalah untuk menghasilkan pengendalian motor DC menggunakan Arduino uno pada rancang bangun electrostatic precipitator untuk pengendapan debu limbah industri. Prinsip kerja dari alat ini ketika saklar rangkaian control di on kan EC Centrifugal Fan akan bekerja selama 40 detik, kecepatan EC Centrifugal Fan dapat diatur dengan cara memutar potensio meter yang ada pada ruang controller. setelah 40 detik EC Centrifugal Fan akan mati dan motor hammer akan bekerja selama 20 detik untuk merontokan debuh yang menempel pada plat CE.
STUDI EXPERIMENT AL PEMBUATAN BIOETANOL GEL DENGAN PENGENTAL CARBOXYMETHYL CELLULOSE DAN PENGUJIAN PERFORMANCE BIOETANOL GEL Tyastando, Ronaldo Dwi; Ardiansah, Juwono; Pramudita, Argi Eka; Riandadari, Dyah
Indonesian Journal of Engineering and Technology (INAJET) Vol 1, No 2 (2019): April
Publisher : Fakultas Teknik Universitas Negeri Surabaya

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.26740/inajet.v1n2.p74-80

Abstract

Bioetanol gel memiliki beberapa kelebihan dibanding dengan bahan bakar padat briket maupun parafin yaitu terbarukan, selama pembakaran tidak berasap, tidak menimbulkan je laga, memiliki kelebihan keamanan dalam hal distribusi, dan tidak mudah menguap. Penelitian ini bertujuan untuk mengarakterisasi produk bioetanol gel dengan variasi carboxymethylcellulose (CMC), pengujian performance pada bioetanol gel. Penelitian ini dilakukan secara eksperimen dimulai dengan proses pembuatan bioetanol gel dengan variasi komposisi 3.5, 4.5, 5.5%. Karakterisasi bioetanol gel dilakukan melalui pengujian nilai kalor, kadar air, kadar abu dan flash point. Pengujian performance dalam penelitian ini dilakukan pada bioetanol gel stove . Parameter yang diukur antara lain efisiensi thermal pembakaran, specific fuel consumption, time to boil.Hasil penelitian yang telah dilakukan dapat disimpulkan bahwa nilai kalor jenis A adalah 4412.983 kal/g, jenis B= 4761.340 kal/g, jenis C= 5113.940 kal/g , kadar air jenis A adalah 4.48 %, jenis B= 4.12%, jenis C= 3.88%, kadar abu jenis A adalah 1.01%, jenis B=2.91 %, jenis C=4.20 %, flash point jenis A adalah 46.6°C, jenis B= 45.2°C , jenis C=43.3°C, hasil pengujian performance pembakaran bioetanol gel nilai efisiensi thermal pembakaran = 1.106%, specific fuel consumption= 0.05124 gr/gr water time to boil= 14minute 50 second.
APLIKASI SELEKSI KENAIKAN JABATAN PADA PT. XYZ DENGAN ALGORITMA PROFILE MATCHING DAN TES PAULI Mafahir, Muhammad Alil
Indonesian Journal of Engineering and Technology (INAJET) Vol 1, No 2 (2019): April
Publisher : Fakultas Teknik Universitas Negeri Surabaya

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.26740/inajet.v1n2.p44-55

Abstract

Filling vacant positions in the promotion process often have difficulty because offering the candidate who can occup that position by of profile matching the employees profile and positions are less well defined .To minimize these obstacles r equire a decision support system that can analyze several employees who fit the profile of existing positions. Decision support system for the profile matching process is created based on the data contained in the PT. The XYZ. The Profile Matching process is done to determine the employee recommendation of the promotion process bassed on 3 aspects of Intellectual Capacity , Work Attitudes and Behaviour. The results of this process in the form of ranking employees as recommendations for decision makers to select suitable employees in vacant positions. From the results of the implementation of the system , it was concluded that the using this software can help the decision-making process to the promotion process
ECISION SUPPORT SYSTEMS PRAKIRAAN CUACA HARIAN BERBASIS SEMI-SUPERVISED LEARNING MENGGUNAKAN RECURSIVE K-MEANS DI BANDAR UDARA JUANDA SURABAYA Sari, Fanny Ratna
Indonesian Journal of Engineering and Technology (INAJET) Vol 1, No 2 (2019): April
Publisher : Fakultas Teknik Universitas Negeri Surabaya

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.26740/inajet.v1n2.p56-60

Abstract

Weather is an air condition in the atmosphere layer somewhere. There are many human activities that depend on weather conditions. Based on this, weather forecasting is able to solve problems that occur around. One of the human activities that is very influential on climate change is flight activities at Juanda Airport in Surabaya. Where all activities that occur in aircraft flight are determined based on weather conditions observing surface air observations which are then sent to the analysis and weather forecasting section. The process of determining weather forecasts with manual observation methods often occur errors. Based on this, research is conducted using learning methods based on weather history data in the hope that it can provide weather forecasts that are more efficient and have a higher level of accuracy. The method used is semi supervised learning using recursive k-means. Semi supervised learning uses recursive k-means is a method of development of the k-means clustering method. This study uses five weather variables: Minimum temperature, maximum temperature, average temperature, humidity and duration of solar radiation. the best learning process is done with a threshold value of ten which results in an accuracy rate of 100%. And to make it easier for users to use this system, this research also creates an interface system that can be used by users.
PENERAPAN METODE KNA (KOMBINASI K-MEANS DAN AGGLOMERATIVE HIERARCHICAL CLUSTERING) DENGAN PENDEKATAN SINGLE LINKAGE UNTUK MENENTUKAN STATUS GIZI PADA BALITA Alpiana, Intan; Anifah, Lilik
Indonesian Journal of Engineering and Technology (INAJET) Vol 1, No 2 (2019): April
Publisher : Fakultas Teknik Universitas Negeri Surabaya

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.26740/inajet.v1n2.p61-68

Abstract

The nutrition fulfillment for children under five years old is a factor that must be considered in maintaining their health, because toddlers are in a developmental period that is vulnerable to nutrition. The attention of parents and officers of the Public Health Service Center (PUSKESMAS) is very necessary to monitor toddler nutrition. Therefore we need a system that can help to classify the nutritional status of children. The system is designed using the KnA method (a combination of K-means and Agglomerative Hierarchical Clustering) so that clustering results are better by combining the advantages of bottom-up clustering (agglomerative) and top-down clustering (k-means). This study attempts to categorize the data from Pulung Ponorogo health center with 7336 data (testing 3641 and learning 3695) with variables of sex, age, weight and height into 4 clusters of each toddler's nutritional status, namely for BB / U there 4 clusters BB S.Krg, BB Krg, BB Normal, BB Lbh, 4 clusters TB / U consisting of S. Short, Short, Normal, High and BB / TB 4 clusters S.Kurus, Skinny, Normal and Fat. In this study, the KnA method was able to properly classify toddlers' data in large numbers. The learning data is as much as 3695 produces an accuracy of BBU = 94%, TBU = 98%, and BBTB = 93%. From the results of the grouping conducted, it is used to determine the nutritional status of status according to BB / U, TB / U, and BB / TB, each of which i s equipped with a handling solution. From the testing with the black-box method as a whole the system is running well, as well as the questionnaire method and as well as validation of nutri
STUDI EXPERIMENT AL PEMBUATAN BIOETANOL GEL DENGAN PENGENTAL CARBOXYMETHYL CELLULOSE DAN PENGUJIAN PERFORMANCE BIOETANOL GEL Tyastando, Ronaldo Dwi; Ardiansah, Juwono; Pramudita, Argi Eka; Riandadari, Dyah
Indonesian Journal of Engineering and Technology (INAJET) Vol 1, No 2 (2019): April
Publisher : Fakultas Teknik Universitas Negeri Surabaya

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.26740/inajet.v1n2.p74-80

Abstract

Bioetanol gel memiliki beberapa kelebihan dibanding dengan bahan bakar padat briket maupun parafin yaitu terbarukan, selama pembakaran tidak berasap, tidak menimbulkan je laga, memiliki kelebihan keamanan dalam hal distribusi, dan tidak mudah menguap. Penelitian ini bertujuan untuk mengarakterisasi produk bioetanol gel dengan variasi carboxymethylcellulose (CMC), pengujian performance pada bioetanol gel. Penelitian ini dilakukan secara eksperimen dimulai dengan proses pembuatan bioetanol gel dengan variasi komposisi 3.5, 4.5, 5.5%. Karakterisasi bioetanol gel dilakukan melalui pengujian nilai kalor, kadar air, kadar abu dan flash point. Pengujian performance dalam penelitian ini dilakukan pada bioetanol gel stove . Parameter yang diukur antara lain efisiensi thermal pembakaran, specific fuel consumption, time to boil.Hasil penelitian yang telah dilakukan dapat disimpulkan bahwa nilai kalor jenis A adalah 4412.983 kal/g, jenis B= 4761.340 kal/g, jenis C= 5113.940 kal/g , kadar air jenis A adalah 4.48 %, jenis B= 4.12%, jenis C= 3.88%, kadar abu jenis A adalah 1.01%, jenis B=2.91 %, jenis C=4.20 %, flash point jenis A adalah 46.6°C, jenis B= 45.2°C , jenis C=43.3°C, hasil pengujian performance pembakaran bioetanol gel nilai efisiensi thermal pembakaran = 1.106%, specific fuel consumption= 0.05124 gr/gr water time to boil= 14minute 50 second.
APLIKASI SELEKSI KENAIKAN JABATAN PADA PT. XYZ DENGAN ALGORITMA PROFILE MATCHING DAN TES PAULI Mafahir, Muhammad Alil
Indonesian Journal of Engineering and Technology (INAJET) Vol 1, No 2 (2019): April
Publisher : Fakultas Teknik Universitas Negeri Surabaya

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.26740/inajet.v1n2.p44-55

Abstract

Filling vacant positions in the promotion process often have difficulty because offering the candidate who can occup that position by of profile matching the employees profile and positions are less well defined .To minimize these obstacles r equire a decision support system that can analyze several employees who fit the profile of existing positions. Decision support system for the profile matching process is created based on the data contained in the PT. The XYZ. The Profile Matching process is done to determine the employee recommendation of the promotion process bassed on 3 aspects of Intellectual Capacity , Work Attitudes and Behaviour. The results of this process in the form of ranking employees as recommendations for decision makers to select suitable employees in vacant positions. From the results of the implementation of the system , it was concluded that the using this software can help the decision-making process to the promotion process
engendalian Motor DC Menggunakan Arduino Uno Pada Rancang Bangun Electrostatic Precipitator Dwi, Mochamad Hanif; Aribowo, Widi
Indonesian Journal of Engineering and Technology (INAJET) Vol 1, No 2 (2019): April
Publisher : Fakultas Teknik Universitas Negeri Surabaya

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.26740/inajet.v1n2.p69-73

Abstract

Pada penelitian ini, penggerak hammer pada plat collecting elektrode menggunakan mikrocontroller ardiuino uno sebagai penggerak motor DC. Tujuan dari penelitian ini adalah untuk menghasilkan pengendalian motor DC menggunakan Arduino uno pada rancang bangun electrostatic precipitator untuk pengendapan debu limbah industri. Prinsip kerja dari alat ini ketika saklar rangkaian control di on kan EC Centrifugal Fan akan bekerja selama 40 detik, kecepatan EC Centrifugal Fan dapat diatur dengan cara memutar potensio meter yang ada pada ruang controller. setelah 40 detik EC Centrifugal Fan akan mati dan motor hammer akan bekerja selama 20 detik untuk merontokan debuh yang menempel pada plat CE.

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