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All Journal Jurnal Teknologi Industri Pertanian Competitive Jurnal Akuntansi dan Keuangan Dielektrika
Rizki Ardiansyah
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Agriculture, Biological Sciences & Forestry Computer Science & IT Economics, Econometrics & Finance Electrical & Electronics Engineering Energy Engineering Industrial & Manufacturing Engineering

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IMPLEMENTASI MULTI CRITERIA DECISION MAKING (MCDM) PADA AGROINDUSTRI: SUATU TELAAH LITERATUR Rachman Jaya; Eka Fitria; Yusriana; Rizki Ardiansyah
Jurnal Teknologi Industri Pertanian Vol. 30 No. 2 (2020): Jurnal Teknologi Industri Pertanian
Publisher : Department of Agroindustrial Technology, Bogor Agricultural University

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.24961/j.tek.ind.pert.2020.30.2.234

Abstract

Decision making process by decision maker in hard situation, limited time as well as uncertainty condition, is needed especially on agroindustry. The papers assessed an implementation of multi-criteria decision making (MCDM) method on agroindustrial decision making process. Several techniques in MCDM method has used by decision makers such as AHP, ANP, Vikor, TOPSIS, VIKOR, SAW, ELECTRE, PROMOTEE, MAUT, and MPE. The objectives of this research were to conduct literature review on an implementation of the techniques in MCDM on agroindustrial sectors and to determine a critically research topic to future works. The literature reviews were undertaken by 87 papers, technical report and handbooks which were related to the topic. Majority articles were downloaded through several scientific webs such as: DOAJ, Crossreef, Researchgate, Academia.edu, EBSCO, Google Scholar, Garuda-Ristek and Science Direct. The clusteritation based on logical framework, generic model and implementation to agroindustrial. At the end was discussed critical judgment on MCDM, particulary AHP and ANP. Keywords: agroindustrial, decision MCDM
PERANCANGAN SOFT STARTING PADA MOTOR INDUKSI TIGA PHASE MENGGUNAKAN MIKROKONTROLLER ATMEGA328 Rizki Ardiansyah; I Made Ari Nrartha; I Made Budi Sukmadana
DIELEKTRIKA Vol 2 No 2 (2015): DIELEKTRIKA
Publisher : Jurusan Teknik Elektro Fakultas Teknik Universitas Mataram

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (1724.812 KB)

Abstract

Motor induksi adalah mesin listrik yang mengubah energi listrik menjadi energi mekanik. Motor induksi tiga phase tipe sangkar bajing banyak digunakan karena konstruksi yang sederhana dan perawatan yang mudah. Kendala operasi motor induksi ini adalah arus pengasutannya mencapai lima sampai tujuh kali arus nominal, sehingga diperlukan suatu metode pengasutan untuk mengatasi hal tersebut. Metode soft starting pada penelitian ini memberikan tegangan input ke motor secara bertahap. Pemberian tegangan input diatur menggunakan triac yang ditrigger dengan mikrokontroler Atmega328. Rangkaian Soft starting digunakan pada saat pengasutan, dan motor terhubung secara langsung ke sumber tenaga ketika running. Penelitian ini menghasilkan modul soft starting untuk kapasitas motor 1 kW. Arus pengasutan dalam kondisi tanpa beban didapatkan 2.19 A, dan kondisi berbeban 5.80 A. Arus pengasutan tersebut masih lebih kecil dibandingkan dengan arus pengasutan secara langsung yaitu 6.59 A dalam kondisi tanpa beban, dan 8.61 A pada kondisi berbeban. Kata Kunci : Motor Induksi Tiga Phase, Soft Starting, Triac, Mikrokontrroller ATMega328 ABSTRACT Induction motors is an electrical machines that convert electrical energy into mechanical energy. Three phase squirrel cage induction motor a widely used because it has a simple construction, and easy maintenance. Operating it’s problem is a starting currents that are five to seven times the nominal current. Therefore, we need a method to overcome this it.Soft starting method in this research is provides an input voltage to the motor gradually. Giving the input voltage is set using a triac triggered by the microcontroller ATmega328. Soft starting circuit is used at starting time, and the motor connected directly to the power source while it’s running.The result of this research is soft starting module for 1kW motor capacity. Starting current in the no-load condition is 2.19 A, and 5.80 A on the load condition. Starting current is still smaller than the direct starting current is 6.59 A in the no-load condition, and 8.61 A on the load condition. Keywords : Three Phase Induction Motor, Soft Starting, Triac, Mikrokontroller ATMega328
Pengaruh Net Profit Margin, Current Ratio dan Debt to Equity Terhadap Pertumbuhan Laba Rizki Ardiansyah
COMPETITIVE Vol 7, No 2 (2023): Competitive Jurnal Akuntansi dan Keuangan
Publisher : Universitas Muhammadiyah Tangerang

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.31000/competitive.v7i2.4906

Abstract

The purpose of this study is to find out the effect of Net Profit Margin, Current Ratio and Debt to Equity on Profit Growth in State-Owned Enterprises (BUMN) for the 2016-2020 period. The independent variables used in this research are Net Profit Margin, Current Ratio and Debt to Equity and Profit Growth of the dependent variable.               The method in this study is a quantitative method with an associative approach. The population in this study were all State-Owned Enterprises (BUMN) listed on the Indonesia Stock Exchange (IDX) for the 2016-2020 period, totaling 20 companies. The sample in this study used a purposive sampling technique so that there were 7 companies that met the criteria. The data collection technique used is secondary data or secondary sources. The data analysis technique used is quantitative with classical assumption test analysis, multiple regression test, hypothesis testing and determinant coefficient test. The software used for data processing is SPSS 25 software.               The results of this study are Net Profit Margin partially has no effect on profit growth, Current Ratio partially does not affect profit growth and debt to equity partially has a negative and significant effect on profit growth. And Net Profit Margin, Current Ratio and Debt to Equity simultaneously have no effect on profit growth in State-Owned Enterprises (BUMN) listed on the Indonesia Stock Exchange.
Co-Authors Eka Fitria I Made Ari Nrartha I Made Budi Sukmadana Rachman Jaya Yusriana