INFOKUM
The INFOKUM a scientific journal of Decision support sistem , expert system and artificial inteligens which includes scholarly writings on pure research and applied research in the field of information systems and information technology as well as a review-general review of the development of the theory, methods, and related applied sciences. Software Engineering. Image Processing Datamining Artificial Neural Networks
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<![CDATA[BUS TICKET PREDICTION DURING THE COVID PANDEMIC USING BACKPROPOGATION ]]>
<![CDATA[Mhd Arie Akbar]]>;
<![CDATA[Zulham Sitorus]]>;
<![CDATA[Zulfahmi Syahputera]]>
<![CDATA[ INFOKUM Vol. 10 No. 03 (2022): August, Data Mining, Image Processing, and artificial intelligence ]]>
Publisher : <![CDATA[Sean Institute ]]>
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<![CDATA[Buses are the most popular land transportation during the pandemic by the community, because using buses can save time compared to using sea transportation. Transportation using land routes in modern times is considered to be the most effective means. The bus ticket price itself is quite volatile, sometimes very expensive and sometimes very cheap because it depends on the price indicators that go up and down. The purpose of this research is to design a system that can predict the price of airline tickets early by using pattern recognition technology with Backpropagation by utilizing matlab software. In the prediction system there are only six input variables, so the researcher suggests that further research is expected to have more detailed input variables to be used as test data and target data because there may still be many indicators that cause bus prices to fluctuate. After knowing the indicators of rising and falling ticket prices, the next ticket must be done first. Initially, the indicators will be tested and tested to find out using the backropogation method. The results of flight ticket price predictions using an architectural network show that the proportion of similarity of each difference is able to improve the weighting of the hidden layer with the output of UP ticket prices. the indicators will be tested and tested to find out using the backropogation method. The results of flight ticket price predictions using an architectural network show that the proportion of similarity of each difference is able to improve the weighting of the hidden layer with the output of UP ticket prices. the indicators will be tested and tested to find out using the backropogation method. The results of flight ticket price predictions using an architectural network show that the proportion of similarity of each difference is able to improve the weighting of the hidden layer with the output of UP ticket price]]>
<![CDATA[COMPARATIVE ANALYSIS OF DATA RECOVERY USING EASEUS DATA RECOVERY WIZARD AND RECUVA APPLICATIONS ]]>
<![CDATA[Ade Putra]]>;
<![CDATA[Muhammad Donni Lesmana Siahaan]]>;
<![CDATA[Arpan Arpan]]>
<![CDATA[ INFOKUM Vol. 10 No. 03 (2022): August, Data Mining, Image Processing, and artificial intelligence ]]>
Publisher : <![CDATA[Sean Institute ]]>
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<![CDATA[At the end of the day, the use of computers is intended for data processing in the form of text, images, videos, and data processing that can be carried out easily and quickly. Individual computer users and organizations in everyday life often work and store data on computers, but in reality, there are certain events where the results of work, in the form of document files on the computer, can be lost so that very important and much needed files are lost from the storage media in the computer. computer or laptop. In recovering lost files or documents, various software can be used, including Pandora Recovery, Recuva and EaseUS Data Recovery Wizard. In this study, what will be discussed is the recovery of lost data by comparing the use of the EaseUS Data Recovery Wizard and Recuva application]]>
<![CDATA[AN APPLICATION OF COOLING SYSTEM TEMPERATURE AS PERFORMANCE IMPROVEMENT SOLAR PANEL ]]>
<![CDATA[Nur Aisyah Siregar]]>;
<![CDATA[Siti Anisah]]>;
<![CDATA[Solly Aryza]]>
<![CDATA[ INFOKUM Vol. 10 No. 03 (2022): August, Data Mining, Image Processing, and artificial intelligence ]]>
Publisher : <![CDATA[Sean Institute ]]>
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<![CDATA[Solar panels or solar cells are one of the renewable energy sources. Solar cells can convert sunlight into dc electrical energy. However, the main problem with solar cells is that the energy produced is not stable. The surface of the Solar cell board has a maximum temperature which affects the output of the solar cell. From this research, the writer will make the surface cooling of the solar cell board using a heatsink fan. The maximum surface temperature of the solar cell board reaches an average of 45 oC. If the temperature exceeds 45 oC it will reduce the output of the solar cell. In this study, the average temperature on the surface of the solar cell board, from 9 am to 3 pm was around 50.14oC and the average output of the solar cell reached 18.80 Volts. Meanwhile, the average temperature of the solar cell with the use of heatsink cooling is 36oC. The average output of the panel is 19.11 volts. Thus, by using a solar cell surface board cooling system using a heatsink, it has an average temperature decrease of 28.20% and an increase in output (Output) can be increased by 1.64% from the efficiency of the Solar cell which is only 12.1%.]]>
<![CDATA[ELECTRICAL CURRENT LIMITING TOOL USING ARDUINO MICROCONTROLLER ]]>
<![CDATA[Meiman Belala Zendrato]]>;
<![CDATA[Siti Anisah]]>;
<![CDATA[Adi Sastra P. Tarigan]]>
<![CDATA[ INFOKUM Vol. 10 No. 03 (2022): August, Data Mining, Image Processing, and artificial intelligence ]]>
Publisher : <![CDATA[Sean Institute ]]>
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<![CDATA[THe electric current limiter serves to limit the use of electricity in each room so that it does not affect electricity usage activities that occur outside the room. Restrictions can be done using an Arduino microcontroller by utilizing the ACS712 sensor in reading the use of current passing through the cable. This prototype is made with the ability to withstand a 200-watt electrical load so that in the event of excessive use, the Arduino will signal to the relay to take the action of disconnecting the electric current. The relay will disconnect the electric current within a few seconds to give the user the opportunity to reduce the load used through the cable. The relay will then turn on again and Arduino will check the electric current again and if there is no decrease in the use of electric current, then Arduino will again give a breaker signal to the relay.]]>
<![CDATA[UFR ( UNDER FREQUENCY RELAY ) RELAY ANALYSIS IN OVERCOMING BLACK OUT NIAS ISLAND ]]>
<![CDATA[Andi Hernawan]]>;
<![CDATA[Siti Anisah]]>;
<![CDATA[Hamdani]]>
<![CDATA[ INFOKUM Vol. 10 No. 03 (2022): August, Data Mining, Image Processing, and artificial intelligence ]]>
Publisher : <![CDATA[Sean Institute ]]>
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<![CDATA[The power system disturbance that occurred at the Nias power plant due to overcurrent caused a trip to the Nias Gas Engine Power Plant (PLTMG) generator. This causes a decrease in frequency due to the system losing power supply. Frequency interference can be detected automatically with UFR (Under Frequency Relay). The working principle of UFR is to compare the value of the frequency system and the value of the frequency setting which determines the amount of load removed. This study analyzes the performance of UFR on the Nias island power system by simulating a decrease in UFR resulting in a decreased frequency system state.]]>
<![CDATA[AN ANALYSIS RELIABILITY OF GENERATOR SET AS EMERGENCY POWER SUPPLY SUDDENLY OFFS AT PLN ULP BELAWAN ]]>
<![CDATA[Yahya Koto]]>;
<![CDATA[Siti Anisah]]>;
<![CDATA[Solly Aryza]]>
<![CDATA[ INFOKUM Vol. 10 No. 03 (2022): August, Data Mining, Image Processing, and artificial intelligence ]]>
Publisher : <![CDATA[Sean Institute ]]>
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<![CDATA[The Generator Set consists of the Engine (Motor Propulsion) and also the Generator / Alternator, as previously explained. This engine uses fuel in the form of Diesel (Diesel Engine) or can also use Gasoline, while the Generator itself is a coil of wire made of copper consisting of a static coil or stator and is also equipped with a rotating coil or rotor. In the process of working, according to physics, the engine rotates the rotor in a generator which then causes a magnetic field in the coil section of the generator. Furthermore, this magnetic field will then interact with the rotor which will then rotate and will produce an electric current which is in accordance with Lorentz's law.]]>
<![CDATA[AN INCREASING VALUE OF HYBRID CAPACITORS (GRAPHENE) BASED ON COLLECTOR CROSS-CROSS-CROSS-SIDE ]]>
<![CDATA[Regen situmorang]]>;
<![CDATA[Solly Aryza2]]>;
<![CDATA[Adi Sastra P Tarigan]]>
<![CDATA[ INFOKUM Vol. 10 No. 03 (2022): August, Data Mining, Image Processing, and artificial intelligence ]]>
Publisher : <![CDATA[Sean Institute ]]>
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<![CDATA[This study describes the effect of the collector cross-sectional area on the capacitance value of the four graphene super capacitors using a digital multimeter. In the first experiment, the graphene square super capacitor with a cross-sectional area of 25 cm2 resulted in a capacitance of 0.842 F. Especially the super capacitor, which is called a double layer electric capacitor (EDLC) or ultra capacitors, meet the standards for high power applications. The use of supercapacitors is very rare because of the high cost of manufacture. The graphene super capacitor that has the best capacitance is Square. The graphene super capacitor in this study was designed in several stages. Synthesis of graphene as electrode was obtained by mixing H2SO4, H3PO4, KMnO4, Graphite Powder, dried for 12 hours at 110ºC]]>
<![CDATA[A VALUE OF BODY CONDITION SCORE (BCS), SERVICE PER CONCEPTION (S/C) AND CALVING INTERVAL (CI) ONGOLE CROSSBREEDS IN DELI TUA DISTRICT ]]>
<![CDATA[Jefri Batubara]]>;
<![CDATA[Sukma Aditya Sitepu]]>;
<![CDATA[Andhika Putra]]>
<![CDATA[ INFOKUM Vol. 10 No. 03 (2022): August, Data Mining, Image Processing, and artificial intelligence ]]>
Publisher : <![CDATA[Sean Institute ]]>
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<![CDATA[This study aims to determine the relationship between Body Condition Score and Service per Conception and Calving Interval of Ongole Crossbreeds in Deli Tua District. The material used was 75 Ongole Crossbreed cows. The method used is a case study, data collection is carried out primary and secondary. The variables observed were Body Condition Score (BCS), Service per Conception (S/C), Calving Interval (CI). The results showed that the average Body Condition Score (BCS) for PO cattle was 2, the S/C value was 1.9 and the Calving Interval was 14-15 months]]>
<![CDATA[AN IMPROVEMENT OF PIEZOELECTRIC POWER PLANT DESIGN IN SLEEP POLICE BLUFF BODY BASED ON CANTILEVER SYSTEM ]]>
<![CDATA[Johannes Stevanus Parulian Simanjuntak]]>;
<![CDATA[Solly Aryza]]>;
<![CDATA[Adi Sastra P Tarigan]]>
<![CDATA[ INFOKUM Vol. 10 No. 03 (2022): August, Data Mining, Image Processing, and artificial intelligence ]]>
Publisher : <![CDATA[Sean Institute ]]>
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<![CDATA[Indonesia's electricity demand is predicted to increase every year, this can cause Indonesia to become an energy importer in the coming year. These problems can be overcome by developing alternative energy, one of which is by utilizing waste vibration energy or pressure energy from the movement of motorized vehicles, cars and pedestrians and even wind gusts in the use of piezoelectric speed bumps. Piezoelectricity is an energy harvester. Piezoelectric with cantilever mechanism produces vibration and deflection repeatedly, causing an electric voltage. The piezoelectric speed bump designed in this study consists of a speed bump system that serves to receive input from motorized vehicle pressure, piezoelectric cantilever system as a component producing electrical energy and energy harvesting system as energy harvester from piezoelectric materials. One system module consists of a parallel piezoelectric circuit connected to the MB39C811 buck converter. This paper will discuss the mechanism of design analysis and modeling of a piezoelectric power generation system on a body bluff-based speed bump with a cantilever system for variations in motor vehicle speed by means of physical modeling. In the piezoelectric bump bluff body, it can be seen that the air flow when passing through the triangular cross section increases in speed so that the resulting vortex has a high speed. This is what causes high vibrations in the piezoelectric so that the maximum voltage and the average voltage have the highest values. The piezoelectric speed bump is capable of generating electric power with an input of 60 times that of a motor vehicle above 2.166mWh with an efficiency of 2.]]>
<![CDATA[CHANGES OF SINUS WAVE INVERTER RENEWAL IN PLTS HOUSE PLANTS ]]>
<![CDATA[Januar Elansa Tarigan]]>;
<![CDATA[Solly Aryza]]>;
<![CDATA[Adi Sastra P Tarigan]]>
<![CDATA[ INFOKUM Vol. 10 No. 03 (2022): August, Data Mining, Image Processing, and artificial intelligence ]]>
Publisher : <![CDATA[Sean Institute ]]>
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<![CDATA[This study aims to produce an inverter which is implemented in a solar power plant for residential homes. In a solar power generation system, an inverter is a device that functions to convert direct current into alternating current. In this study, an inverter was designed to produce an electrical output that was in accordance with the needs of residential electrical equipment. The design shows the important role of the microcontroller as a control unit and the IGBT component as a power electronics component. The test results show that the inverter has been able to produce an output with a voltage of 220 V and a frequency of about 50 Hz with a sine wave output, but there are stillbroken wave.As of this writing, improvements are still being made.]]>
