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Results in Journal Journal of Applied Engineering and Technological Science (JAETS): 30

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Muh Anhar, Betti Ses Eka Polonia
Journal of Applied Engineering and Technological Science (JAETS), Volume 2, pp 94-102; https://doi.org/10.37385/jaets.v2i2.223

Abstract:
Metal connection due to heat with or without the influence of pressure or metallurgical bonds caused by attractive forces between atoms. DIN (Deutsche Industrie Normen) state that metallurgical bonding of metal or guide metal joints in a melted or liquid state. This study aims to determine the effect of limestone powder and gypsum as an insulating medium in SMAW (Shielded metal arc welding) welding. This study using experimental methods with SMAW welding. Welding metal cooled with limestone media has a harder hardness than gypsum and air media, which is limestone has a thermal conductivity value of 3.897 W / mºC. In comparison, gypsum has a thermal conductivity value of 1.39 W/mºC, and air has a thermal conductivity value of 0.023 J/msºC, so limestone is a better insulator than gypsum and air. The greater the conductivity value of the object, the better the thermal conductivity of the metal and the more complicated the weld metal and the lower the thermal conductivity value, the softer the metal hardness, limestone has a thermal conductivity value of 3.897 W / mºC while gypsum has a thermal conductivity value of 1, 39 W / mºC and air have a thermal conductivity value of 0.023 J / msºC, proving that the lower the conductivity value, the hardness of the weld metal is getting softer, but in the HAZ section it proves that the lower the conductivity value, the more complex the hardness in the HAZ section.
Astri Ayu Purwati, Zainol Mustafa, Mazzlida Mat Deli
Journal of Applied Engineering and Technological Science (JAETS), Volume 2, pp 70-77; https://doi.org/10.37385/jaets.v2i2.217

Abstract:
The investment in information system brings significant impacts on the banking industry because it plays a pivotal role in providing better services and competitive edges. This study evaluated satisfaction level and benefit of the usage of the banking system which is m-Banking using the IS Success Model approach developed by DeLone and McLane in 2003. The population in this study was customers of one of the largest banks in Indonesia, namely Bank Central Asia (BCA) with a sample size of 200 customers. The data were analyzed using Structural Equation Model (SEM) with AMOS. The results showed that the IS Success Model consisting of system quality, information quality and service quality has a significant impact on customer satisfaction in using BCA m-Banking. This study also validates the research conducted by DeLone and McLean (2003) in developing the IS Success Model as a measure of the quality and key to the success of an information system.
Nanang Qosim, Andre Kurniawan, Moh. Nasir Hariyanto, Zakki F. Emzain, Moh. Hartono, Am Mufarrih
Journal of Applied Engineering and Technological Science (JAETS), Volume 2, pp 78-84; https://doi.org/10.37385/jaets.v2i2.209

Abstract:
Shaping and marketing a product in tablet form is an easy and economical alternative to product shaping. Products in tablet form now cover almost all fields, so that the demand for tablet tooling of various sizes and variations continues to increase. As an effort to support the effectiveness and proper industrial planning, it is necessary to carry out an analysis of the machine and material requirements to produce tablet tooling which is the aim of this study. To achieve these objectives, the methods used in this study include product design, operation plan analysis, and calculation of material requirements and number of machines. The result shows that the number of machine requirements to manufacture the die and punch of tablet tooling with the demand of 200 unit/day are two units of power hacksaw, five units of lathe machine, and a unit of milling machine. On the other hand, the material requirements needed in one day are 22.24 m (Ø45 mm x 5 bars) and 12.79 m (Ø18 mm x 3 bars).
Ali Basrah Pulungan, Zhafranul Nafis, Muhammad Anwar, Hastuti, Hamdani
Journal of Applied Engineering and Technological Science (JAETS), Volume 2, pp 103-111; https://doi.org/10.37385/jaets.v2i2.247

Abstract:
Technology developed rapidly along the times, various ways are done to make works easier. One of them is by utilizing artificial intelligence, likes the use of a webcam as a sensor in detecting an object through several stages of image processing. There was research on object recognition previously using three measurement parameters based on color, shape, and size of objects. It is used a webcam as the sensing sensor, and image processing is processed with python programming. In this article, writer described about image processing for the detection of objects used in the research. The results of this device have been tested and are able to detect objects properly based on predetermined color, shape and size. Object detection using a webcam can work properly according to what the author wants.
Yuda Irawan, Andre Wahyu Novrianto, Hafizh Sallam
Journal of Applied Engineering and Technological Science (JAETS), Volume 2, pp 85-93; https://doi.org/10.37385/jaets.v2i2.218

Abstract:
The detector and neutralize cigarette smoke in the STMIK Hang Tuah Pekanbaru there is no. To simplify detector and neutralize cigarette smoke in the campus area made a system detector and neutralize cigarette smoke Arduino Uno microcontroller based using an notification iot. The whole tool is divided into several parts, consisting of sensor mq-2, module ESP8266-01S, module LCD, mikrokontroller arduino uno, buzzer, and DC FAN. This tool works when module ESP8266-01S looking for the nearest internet network and sensor mq-2 detect cigarette smoke, from module ESP8266-01S and sensor mq-2 then to Arduino Uno microcontroller to process, from Arduino Uno microcontroller then Turn on buzzer as a warning alarm and Turn on DC FAN as a fan to neutralize cigarette smoke which then transfers data through module ESP8266-01S to the website and give notification the room detected cigarette smoke to the smartphone head of equipment and officers. The results showed that the smoke content was more than 300 detected as cigarette smoke, because it has been to test the system to several prototypes and 2hen there is no cigarette smoke was value is less than 300.
Sintia Sintia, Sarjon Defit, Gunadi Widi Nurcahyo
Journal of Applied Engineering and Technological Science (JAETS), Volume 2, pp 62-69; https://doi.org/10.37385/jaets.v2i2.210

Abstract:
In the SiPaGa application, the codefication search process is still inaccurate, so OPD often make mistakes in choosing goods codes. So we need Cosine Similarity and TF-IDF methods that can improve the accuracy of the search. Cosine Similarity is a method for calculating similarity by using keywords from the code of goods. Term Frequency and Inverse Document (TFIDF) is a way to give weight to a one-word relationship (term). The purpose of this research is to improve the accuracy of the search for goods codification. Codification of goods processed in this study were 14,417 data sourced from the Goods and Price Planning Information System (SiPaGa) application database. The search keywords were processed using the Cosine Similarity method to see the similarities and using TF-IDF to calculate the weighting. This research produces the calculation of cosine similarity and TF-IDF weighting and is expected to be applied to the SiPaGa application so that the search process on the SiPaGa application is more accurate than before. By using the cosine sismilarity algorithm and TF-IDF, it is hoped that it can improve the accuracy of the search for product codification. So that OPD can choose the product code as desired
Novi Rahayu, Ade Titin Sumarni
Journal of Applied Engineering and Technological Science (JAETS), Volume 2, pp 50-61; https://doi.org/10.37385/jaets.v2i1.144

Abstract:
Robot is an electrical or electronic mechanical device that works automatically that can work alone without outside control. By using robots in production activities, the process will be more efficient and effective. In this study, robots are made using a microcontroller as a robot controller and color detector to separate goods based on color. Color sensor is useful for getting color data. The detected color consists of Red, Green, Blue, all colors are processed in a microcontroller that functions as the brain in the robot that is made.
Eddis Syahputra Pane
Journal of Applied Engineering and Technological Science (JAETS), Volume 2, pp 14-20; https://doi.org/10.37385/jaets.v2i1.166

Abstract:
Pancuran Hidup Credit Union is a cooperative engaged in a savings and loan business that provides loans for its members. In its development often encountered an error due to lack of accuracy of employees in processing data processing transactions and savings and loans that still use the manual system that is using Microsoft office (Microsoft word and Microsoft Excel). This manual system is less effective because the savings and loan transactions that occur are higher so that the calculation is even more numerous, and therefore requires an information system. The purpose of this research is to create a web-based savings and loan information system that helps make it easier for employees to manage member data and savings and loan transactions at the Pancuran Hidup Credit Union. In this study the authors used the Waterfall Model analysis method. The SDLC waterfall model is often also called the linear sequential model or classic life path. Based on the problems that have been discussed and resolved through this report, the conclusion can be drawn about the Savings and Loan Information System for the Union of Living Credit Pekanbaru based on Web, namely: Information Systems can facilitate the cooperative in making reports more quickly and produce accurate data
Nanang Qosim, Am Mufarrih, Ali Sai’In, A. Hanif Firdaus, Fina Andika F. A., Ratna Monasari, Zakki F. Emzain
Journal of Applied Engineering and Technological Science (JAETS), Volume 2, pp 1-6; https://doi.org/10.37385/jaets.v2i1.77

Abstract:
In this study, three percentages of moisture content on the green sand were benchmarked to be observed their effects on the casting defects. The metal used is scrap Al-Si with wt% of Al 59.7. The metal was melted in a furnace at 550 ºC then poured into sand molds and cooled for 24 hours before it can be removed, cleaned, and finished. There were prepared three specimens for each benchmark. Qualitative observation of defects was done by physical observations on the surface of the specimens. The observations show that on the moisture content of 2.5%, there is a defect in the form of porosity. Defects in the form of drops, misruns, blowholes, and shrinkage cavity are found on the benchmark 3.5%. The most severe defects are found on the benchmark 4.5% in the form of buckles and severe shrinkage cavities that are found in almost all specimens.
Suandi Daulay
Journal of Applied Engineering and Technological Science (JAETS), Volume 2, pp 42-49; https://doi.org/10.37385/jaets.v2i1.181

Abstract:
AMIK Mahaputra is one of the private computer colleges in the city of Pekanbaru. In increasing its resources, this university conducts performance appraisals of lecturers and employees. This performance assessment will form the basis of promotion. At present, the system in assessing its performance still has weaknesses, namely by improper lecturers or employees who occupy certain positions and positions. The purpose of this study is to later be able to make it easier to give a decision on the performance evaluation of lecturers and employees each year as part of the process of career development and promotion. The data obtained include the assessment of lecturers by students, the discipline of lecturers on giving lectures, the allocation of time by each lecturer and the method used is TOPSIS where this method is considered suitable for this research. and AMIK employees Mahaputra pekanbaru. Decision support system for evaluating the performance of lecturers and employees in promotion. Although the decision taken has been 74% but it has been recommended to assist the management of AMIK Mahaputra in making decisions.
Nanang Qosim, Ratna Monasari, Zakki F. Emzain, Lutfi Hakim, Ali Sai’In
Journal of Applied Engineering and Technological Science (JAETS), Volume 2, pp 21-26; https://doi.org/10.37385/jaets.v2i1.160

Abstract:
Miniplate plays an important role as one of the implant components used as a rehabilitation device for a post-fracture finger. In this study, an analysis was carried out to determine the strength of the miniplate design made from Ti-6Al-4V titanium alloy material. Simulation and analysis were carried out using the finite element method. The given input for modeling tensile and bending loads determined von Mises stress, kinetic energy, strain energy, and internal energy. The analysis showed that uneven von Mises stress and strain distribution have occurred. The critical concentration of stresses was located at the center of the miniplate and these values were a lot lower than the yield stress of Ti-6Al-4V.
Yuda Irawan
Journal of Applied Engineering and Technological Science (JAETS), Volume 2, pp 7-13; https://doi.org/10.37385/jaets.v2i1.162

Abstract:
Decision Support System is a computerized system designed to increase effectiveness in decision making to solve semi-structured and unstructured problems so that the decision-making process can be of higher quality. One method of solving MADM problems is by using the Simple Additive Weighting method. The SAW method is to find the weighted sum of the performance ratings for each alternative of all attributes. This study aims to design and create a system to determine which employees are entitled to receive bonuses, for that we need a decision support for giving employee bonuses decisions. In this study using the Simple Additive Weighting method. The system development model used is a waterfall. Waterfall has several stages, namely needs analysis, system design, writing program code, program testing, program implementation and maintenance. The results showed the benefits of the SAW method as a decision support system for determining employee bonuses based on the employee performance of PT. Mayatama Solusindo can assist administrators in determining employee bonuses quickly and effectively. So the bonus that employees get using the SAW method is the basic salary times the percentage of the ranking value.
Febrizal Alfarasy Syam, Yuvi Darmayunata, Afriansyah Afriansyah
Journal of Applied Engineering and Technological Science (JAETS), Volume 2, pp 27-33; https://doi.org/10.37385/jaets.v2i1.177

Abstract:
Content Management System (CMS) is a system or software in developing content. What is meant by content is all forms of digital information, in the form of image files, audio, video, text and other computer files. CMS makes it easy to create attractive website pages without having to understand how to create a website from scratch. Likewise, Lancang Kuning University has created an Integrated CMS website or integrated with faculty websites at Lancang Kuning University, by creating one database but the frontend and backend templates can be customized as desired. With this integrated website, it will make it easier for the main admin and faculty admin to maintain the website, including in its development. This website was built using the concept of Object Oriented and using a codeigniter framework.C
Rizki Novendra
Journal of Applied Engineering and Technological Science (JAETS), Volume 2, pp 34-41; https://doi.org/10.37385/jaets.v2i1.173

Abstract:
This study discusses the acceptance of PT Didimax's metatrader technology. To carry out the analysis in this study using the UTAUT method. The UTAUT method has four independent variables and two dependent variables. It is through these variables that the level of technology acceptance is explained. The results of this study from 121 respondents showed that the Performance Expectancy variable had a positive and significant impact on behavior intention, the condition t counted 3.184> t table 2015 Sig 0.002 t table 2015 Sig 0.000
Khairul Muttaqin, Jefril Rahmadoni
Journal of Applied Engineering and Technological Science (JAETS), Volume 1, pp 113-123; https://doi.org/10.37385/jaets.v1i2.78

Abstract:
The times has made human needs are increasing, including information needs. Therefore, sending and storing data through electronic media requires a process that is able to guarantee the security and integrity of the data that requires an encoding process. Encryption is the process of changing an original data into confidential data that cannot be read. Meanwhile, the decryption process is a process where the confidential data received will be converted back into the original data. In this case the Advanced Encryption Standard (AES) algorithm is used as the latest cryptographic algorithm standard. The previous algorithm was considered unable to answer the challenges of the development of communication technology very quickly. AES is a cryptographic algorithm using the Rijndael algorithm that can encrypt and decrypt blocks of data over 128 bits with a key length of 128 bits. In this study the application of AES as a file security system is carried out, where the encryption and decryption process is carried out on the file. In testing the system a trial is performed on all files with different file sizes and for the results of the encryption process (ciphertext) in the form of files with the file format with the *.encrypted extension.
Mardeni Mardeni
Journal of Applied Engineering and Technological Science (JAETS), Volume 1, pp 85-90; https://doi.org/10.37385/jaets.v1i2.59

Abstract:
The data collection of pregnant women is the realization of the Birth Planning and Prevention of Complications (P4K) Program in the Riau Provincial Health Office of the Family and Nutrition Health Section. The data collection of pregnant women aims to find out information about pregnant women scattered in 12 regencies and cities in Riau Province including: the number of pregnant women, Tabulin, transportation, blood donors, assisting pregnant women and birth assistance plans. Currently reports and data recording of pregnant women are still done manually using Excel. To make it easier for officers to monitor the health of pregnant women in Riau Province, a Web based health monitoring system for pregnant women was built. This system integrates data on pregnant women in Riau Province starting from the Puskesmas level. This system can help officials in the Health Department monitor and record pregnant women, so that they can assist in planning a safe delivery and preparing for complications for pregnant women.
Refni Wahyuni, Yuda Irawan
Journal of Applied Engineering and Technological Science (JAETS), Volume 1, pp 60-69; https://doi.org/10.37385/jaets.v1i2.62

Abstract:
AHP is able to help the employee selection process recipient an incentive to perform matrix calculations pairs criteria weights, then get the highest priority. Based on the highest priority, determined which alternative will be recommended. The purpose of this research is to make performance appraisal which can facilitate quickly assess performance. Steps for assessing employee performance such that designing concepts, data collection, preparation of hardware and software, display design, system manufacturing, testing and evaluation. Based on the research that has been done it is concluded that the media system is web-based employee performance appraisal at PT. Wifiku Indonesia has successfully created.
Novi Rahayu
Journal of Applied Engineering and Technological Science (JAETS), Volume 1, pp 91-102; https://doi.org/10.37385/jaets.v1i2.61

Abstract:
At this time, the function of Liquified Petroleum Gas (LPG) is very important for human life, both in the household and industry. However, this can have a negative impact, especially in terms of if there is no known leaky hole that can cause an explosion and fire. The main factors that can cause the leaking of gas cylinders include improper installation of regulators, poor quality of tube sealing rings, quality of gas cylinders, non-regulators of the Indonesian National Standard (SNI), tear gas hose due to animals such as mice . The way of working from these tools when the MQ-6 sensor detects LPG gas above 100 ppm, the sensor will send data to the microcontroller on Arduino Uno for giving a response as a buzzer as an alarm, the loudspeaker as gives notification the sound of danger and send information in the form of SMS to the home owner. The test results that this warning system can indicate if any leaking on the gas concentration of 117 to 457 ppm and the duration of sending SMS between 3 to 182 seconds from five tests given in three different places.
Yoga Megasyah, Adi Arga Arifnur
Journal of Applied Engineering and Technological Science (JAETS), Volume 1, pp 124-135; https://doi.org/10.37385/jaets.v1i2.79

Abstract:
Academic information system in an institution is very important for the administration of lectures. The fore need for a system security audit so that the administration runs without obstacles. This audit can be carried out using the COBIT 5 framework, in this research an information security audit was carried out on academic information security. by focusing on the APO12 (Manage Risk), APO13 (Manage Risk), and DSS05 (Manage Security Service) domains. The stages in this research are initiation, planning the assessment, data collection, data validation, process attribute level and reporting the result. The results of this research note that the ability level of APO12 is at level 1, APO13 at level 2 and DSS05 at level 2, which means that the institution has carried out and implemented the information technology process and achieved its objectives. To reach level 3 some recommendations are given to cover the gaps that have been determined in the APO12, APO13 and DSS05 processes.
Ismail Setiawan, Eko Purbiyanto
Journal of Applied Engineering and Technological Science (JAETS), Volume 1, pp 162-168; https://doi.org/10.37385/jaets.v1i2.45

Abstract:
This study uses C4.5 algorithm to classify potentially large-profit businesses in the city of Surakarta. The data used are street vendors who are divided into 4 types of merchandise namely snacks, snacks, heavy foods and drinks. The locations that are targeted for classification are Car Free Day. The division of the Car Free Day zone was carried out to find out which areas had more influence on certain foods to get big profits. Car free day zone is divided into 4 parts, namely purwosari area - rumah makan diamond, rumah makan diamond - toko buku gramedia, toko buku gramedia - ngarsopuro and the last one is ngarsopuro – bundaran gladag. Based on the results of the study, the most profitable area to sell is the toko buku gramedia - ngarsopuro. Besides this research also classifies based on the ability of the production of raw materials, namely medium and large. The best business category that requires this type of medium-sized raw material is selling at the toko buku Gramedia - Ngarsopuro area, while for the best raw material the best area is the same among Purwosari - Rumah makan diamonds, Gramedia toko buku - Ngarsopuro and Ngarsopuro – bundaran gladak
Hafizah Hanim, Jefril Rahmadoni
Journal of Applied Engineering and Technological Science (JAETS), Volume 1, pp 136-141; https://doi.org/10.37385/jaets.v1i2.100

Abstract:
During this time, the selection of non permanent lecturers, parts staffing difficulties in selecting lecturers. The obstacle faced is the large number of applicants who register to become prospective lecturers. So that the staffing or the campus must give extra time to choose prospective lecturers so that lecturers can be obtained that fit the desired criteria. The AHP (Analytical Hierarchy Process) method is a method in the decision-making process, this method performs a hierarchical structure calculation where the top level in the hierarchy is the goal to be achieved then the hierarchy below in the form of criteria in achieving goals and the lowest level is the alternatives in achieving goals.
Annisak Izzaty Jamhur, Novi Trisna, Yesri Elva
Journal of Applied Engineering and Technological Science (JAETS), Volume 1, pp 142-149; https://doi.org/10.37385/jaets.v1i2.88

Abstract:
In the era of globalization now developments in the field of information technology are increasingly rapid. No wonder now more and more shops are starting to develop their administrative systems using information technology and one of them is a shop in the field of daily goods. Some stores use various ways to attract as many customers as possible. So that the data processing is slow and shop owners often have difficulty in finding data that has been processed. To provide satisfactory services for customers, it is necessary to reform several systems, including information systems for sales, purchasing, making daily, monthly, annual sales reports, and inventory data reports using the ROP (Reorder Point) method and designing using the ASI model (System Analysis Information), while the process of making a desktop program or application uses the VISUAL BASIC.NET 2010 programming language that is supported by the MySQL database.
Yuvi Darmayunata, Febrizal Alfarasy Syam, Afriansyah Afriansyah
Journal of Applied Engineering and Technological Science (JAETS), Volume 1, pp 150-161; https://doi.org/10.37385/jaets.v1i2.105

Abstract:
Intra-School Student Organization is an organization that is at the school level in Indonesia, starting with junior high schools and senior high schools. The student council is managed and managed by students who are chosen to be student council. Usually this organization has a mentor from the teacher chosen by the school. Student council members are all students who are in one school where the student council is located. In an effort to elect the student council president, the researchers created a web-based information system in selecting the student council president. E-voting is an electoral system where data is recorded, stored and processed in the form of digital information. In the election of the chairman is always a problem in carrying out his election, such as having to prepare space, paper, and others. And after that it takes time in completing the vote count, it also requires a lot of people or committees in carrying out the chairman's election, lack of transparency in vote counting, there are still errors in vote counting.
Rizer Fahlepi
Journal of Applied Engineering and Technological Science (JAETS), Volume 1, pp 103-112; https://doi.org/10.37385/jaets.v1i2.67

Abstract:
Discipline is a very important aspect to support the quality of these human resources. If there are insufficient or undisciplined resources, it will affect the quality of human resources. In its implementation the process of evaluating employee discipline is still done manually so it takes a long time. For this reason, a decision support system is needed to identify the level of discipline of staff and employees at STIKes and STMIK Hang Tuah Pekanbaru. The method used to develop this DSS is Simple Multi Attribute Rating Technique (SMART) with 6 attributes, namely performance, warning letters, absenteeism, discipline, complience to regulations, and compliance to superior’s order. The final result are divided into 3 categories, namely Very Good, Enough, Do Coaching. From the application of this method, it was found that 120 people got Very Good evaluation results, 11 people got Enough results, and 2 people got the results of Do Coaching. Decision support system with SMART method can identify the level of discipline of staff and, to later be given guidance to staff who get evaluation results. Do Coaching to become more disciplined and improve the quality of human resources in STIKes and STMIK Hang Tuah Pekanbaru
Rian Ordila
Journal of Applied Engineering and Technological Science (JAETS), Volume 1, pp 77-84; https://doi.org/10.37385/jaets.v1i2.63

Abstract:
Inventory management in Office Stationery needs (ATK) is instrumental in supporting administrative activities. Not terinvetaris well, resulting in the use of goods is not optimal and increase spending on this ATK. For that required a system that can manage this ATK supplies. so that in the prediction of ATK inventory can coordinate and minimize expenditure of STMIK Hang Tuah Pekanbaru expenditure. The data obtained in this research is ATK At High School of Information and Computer Management (STMIK) Hang Tuah Pekanbaru sourced from Head of Equipment Section such as paper type A4 and F4, Paperclip, Map and Printer Ink. ATK is always experiencing shortage or also excess needs. With the Monte Carlo Method, STMIK Hang Tuah Pekanbaru will be able to determine the Pattern of ATK Supplies requirement in STMIK Hang Tuah Pekanbaru and the method can give a decision in determining the pattern of ATK request that will be requested to the employee. The result of the experiment of this method is to obtain the average number of procurement requests and the average number of procurement. Estimates of the Monte Carlo simulation strategic plan that has been done will yield an estimated information on the average amount of procurement as 16 packs and the estimated average monthly expenditure of Rp 21,333.- With the amount of calculations obtained then the Office Stationery to be purchased can be estimated and inventory can be provided to meet the demand for campus needs in 2018
Journal of Applied Engineering and Technological Science (JAETS), Volume 1, pp 51-59; https://doi.org/10.37385/jaets.v1i1.20

Abstract:
The development of computer technology now enables the development of computer-based information systems, so the Community Organization (ORMAS) licensing service at the National Unity and Politics Agency (Bakesbangpol) Pekanbaru City needs support from technological developments to reduce existing problems items, namely the lack of information for ORMAS administrators who want to extend the Certification of registration Community Organization ORMAS SKT, and SKT ORMAS when registering. The purpose of this research is to Facilitate all forms of licensing at the Kesbangpol office, so that the process can be more efficient in terms of time and cost. The system that will be created is a Web-based application, the design is done using Unified Modeling Language (UML) and making the system using the PHP programming language, and using a MySQL database
Journal of Applied Engineering and Technological Science (JAETS), Volume 1, pp 43-50; https://doi.org/10.37385/jaets.v1i1.19

Abstract:
Expert systems are computer-based applications that are used to solve problems thought by experts. The benefits of expert systems are to find solutions to problems that occur in various fields including medicine and medical. The problem that often occurs is the problem of public knowledge of the initial problems of heart disease and the lack of public attention to heart health. From this problem, the writer wants to raise the title "Expert System of Web-Based Heart Disease Diagnosis with Forward Chaining Method (Case Study of Ibnu Sina Islamic Hospital)". The purpose of this system is so that people can understand, understand the facts of heart disease. The method used in making this system is forward chaining because this method is a punishment starting from the fact that it contains sentences that are received. The output of this system is a diagnosis of heart disease, as well as providing recommendations for how to treat the disease.
Journal of Applied Engineering and Technological Science (JAETS), Volume 1, pp 30-42; https://doi.org/10.37385/jaets.v1i1.16

Abstract:
Medical check-up done at the hospital for the first time is a heartbeat. This is done because the heart of the human body is the main organ, where the work function of the heart affects other important organs of humans. Based on these conditions, human heart health must be really considered. Things that can be done early is by checking the heart rate regularly. not everyone can do medical check-ups regularly. Even though by knowing the condition of a person's heartbeat, health will be maintained, it does not need expensive care from a doctor, but with a regular lifestyle, everything will be resolved. In this study, the researchers designed to measure heart rate as an alternative in maintaining health, using pulse sensors and Arduino circuits. This study resulted in a heart rate application system as a control to monitor the condition of the patient's heart rate, can provide information about the heart rate that uses the pulse sensor to patients and doctors who have an application to read the heart rate that has been made.
Asep Ruchiyat, , Yusuf Yusuf, Betti Ses Eka Polonia
Journal of Applied Engineering and Technological Science (JAETS), Volume 1, pp 1-16; https://doi.org/10.37385/jaets.v1i1.10

Abstract:
The need for low carbon steel plate sheets with relatively thin thickness measurements in Indonesia is currently quite high, especially in supporting the automotive industry, the electronics industry, the food industry, beverages, and household appliances. To fulfill this, raw materials for low carbon steel plate sheets that have high formability and are not easily cracked in critical areas of the desired model are required. For this reason, research on the effect of temperature variations in heat treatment on hardness, microstructure and spring back of V-bending results on steel plates with a plate thickness of 0.8 mm. The research method used was a laboratory experimental method. The heat treatment is carried out with temperature variations of 710, 820 and 9300C with a holding time of 60 minutes. Tests carried out on specimens are hardness testing, microstructure testing, and spring back V-bending results on steel plates. The results of this study indicate a decrease in the spring back angle where the smallest spring back angle in the bending process is on the 9300C plate which is 1,040. The value of the hardness results from V-bending has increased significantly. The increase in the value of hardness because the plate has an atom shift or dislocation by shear stress (slip) due to plastic deformation on the plate. The highest hardness value is on the 7100C plate which is 154.67 HV or has an increase of 14,291% of the pre-bending plate. The lowest hardness value is on the 9300C plate which is 125.33 HV, its hardness increases 4.4% against the pre-bending plate. Heat treatment also causes changes in the microstructure of the plates from the process of regulation and reshaping of crystals to the growth of new grains which have implications for changes in mechanical properties and formability of the workpiece.
Journal of Applied Engineering and Technological Science (JAETS), Volume 1, pp 17-29; https://doi.org/10.37385/jaets.v1i1.18

Abstract:
SMA Negeri 1 Pangkalan kerinci is one of the middle schools located at Jalan Lintas Timur Kerinci Pelalawan Indonesia which currently has 2 majors namely Science and IPS. This student majors can lead learners to focus more on developing their own abilities and interests. Selection of inappropriate majors can be very detrimental to students of their interests and careers in the future. With the majors are expected to maximize the potential, talent or individual talents, so as to maximize academic value. Based on the background, then by applying data mining techniques are expected to help students to determine the correct majors in accordance with the criteria set. Data mining techniques used in the determination of this department using K-Means Algorithm.
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