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<![CDATA[Sentiment Analysis of OYO App Reviews Using the Support Vector Machine Algorithm ]]>
<![CDATA[Zaenal Zaenal]]>;
<![CDATA[Ika Ratna Indra Astutik]]>
<![CDATA[ Procedia of Engineering and Life Science Vol 3 (2022): Proceedings of the 5th Seminar Nasional Sains 2022 ]]>
Publisher : <![CDATA[Universitas Muhammadiyah Sidoarjo ]]>
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DOI: 10.21070/pels.v3i0.1338
<![CDATA[The rapidly growing tourism industry causes the need for hotels to increase. This has led to innovation in the form of virtual hotel operators, one of which is OYO. OYO is a VHO application with the highest rating found on the Google playstore. OYO is one of the applications with millions of users. Of course, this cannot be separated from the ratings and reviews from users. The reviews contained in the playstore itself can contain positive, neutral or even negative opinions. Given the importance of user reviews to application development, this research classifies reviews on the OYO application to determine user sentiment. In this study, the data used is 2,000 data which will be classified into positive, neutral and negative sentiments. The Support vector machine algorithm was chosen because it is capable of producing high accuracy. Based on testing, the Radial basis function kernel is able to produce the highest accuracy among other kernels and by using a dataset division ratio of 80:20 the accuracy obtained is 78.98%. While testing using the Confusion matrix produces an accuracy of 80.36%.]]>
<![CDATA[Sales System at a Web-Based Cika Ciki Snack Shop ]]>
<![CDATA[Lia Iftitah]]>;
<![CDATA[Arif Senja Fitrani]]>
<![CDATA[ Procedia of Engineering and Life Science Vol 3 (2022): Proceedings of the 5th Seminar Nasional Sains 2022 ]]>
Publisher : <![CDATA[Universitas Muhammadiyah Sidoarjo ]]>
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DOI: 10.21070/pels.v3i0.1339
<![CDATA[Cika Ciki Snack Shop is one of the agents that sells a variety of snacks from various brands, but the store owner has problems promoting the products he sells, the longer it takes, the more competitors there are other snack agents, then Cika Ciki Snack Shop utilizes technology to market products. Therefore, the author created a website-based sales information system to develop a business in terms of sales. to make it easier for store owners to promote snacks and make it easier for customers to make purchases. This research was made using a Website-based information system with the waterfall method, and MySQL as the database, which is the data collection of anything snack along with the brand name provided by Cika Ciki Snack Store.]]>
<![CDATA[Charity Box Based Camera and Security System Internet Of Things and Telegram ]]>
<![CDATA[Imam Fahmi Udin Ma'ruf]]>;
<![CDATA[Jamaaluddin]]>;
<![CDATA[Izza Anshory]]>
<![CDATA[ Procedia of Engineering and Life Science Vol 3 (2022): Proceedings of the 5th Seminar Nasional Sains 2022 ]]>
Publisher : <![CDATA[Universitas Muhammadiyah Sidoarjo ]]>
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DOI: 10.21070/pels.v3i0.1340
<![CDATA[Theft in a place of worship is a crime by stealing things that are not privately owned but public propertywithout permission and these activities are carried out from religious places such as mosques, churches andmonasteries. The theft of charity box funds is an interesting topic for some people and the mosque manager personallyin particular, considering that charity box funds are general funds intended for the renovation or purchase of mosqueneeds and the needs of religious events. By using a microcontroller as an auxiliary component to monitor valuables.This microcontroller control system can be used to secure charity box funds in any mosque equipped with a securityfeature based on Selenoid door locks that can only be opened by ESP 32-CAM and using a vibration sensor will detectshocks and a buzzer will sound. sounds like an alarm for Telegram to alert the Mosque management in the event ofthe forced destruction of the charity box. So, looking at the source of the problem and technological developments ashappened before, it is very appropriate to use them to reduce the rampant theft in mosques. Therefore researcherswill design a tool, namely a camera system and security for charity boxes based on the internet of things and telegrams.]]>
<![CDATA[Design Of Web-Based Coffee Sales System (Case Study: CV Cahaya Abadi) ]]>
<![CDATA[Muhammad Choir Ridho Azizi]]>;
<![CDATA[Yulian Findawati]]>
<![CDATA[ Procedia of Engineering and Life Science Vol 3 (2022): Proceedings of the 5th Seminar Nasional Sains 2022 ]]>
Publisher : <![CDATA[Universitas Muhammadiyah Sidoarjo ]]>
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DOI: 10.21070/pels.v3i0.1341
<![CDATA[In this era of interconnectedness, technological progress occurs very quickly. One technology that istrending and has been widely accepted by almost everyone around the world is e-commerce. However, in Indonesiaitself, there are still many businesses that are still done conventionally, such as CV. Cahaya Abadi. This causesbusiness processes to not work efficiently, especially during transaction processing. Another problem is the lack ofreporting tools that accurately reflect performance indicators such as total customers and total sales volume, so thatcompany performance cannot be monitored. The purpose of this research is to create an integrated web-based salessystem that is intended as an integrated sales system that has various features for users and allows Cahaya Abadi tomanage the entire business in one place in a structured manner. In this study, the waterfall method is used as adevelopment method. The result of this research is a web-based sales system that is expected to be useful for salesmedia and transaction monitoring. Based on the results, the percentage of the overall quality of the sales system is84%, so this system is feasible for mass use.]]>
<![CDATA[Selection Of Tomato Fruits by Color and Size Based on Arduino ]]>
<![CDATA[Faisal Baharudin Alamsah]]>;
<![CDATA[Syamsudduha Syahrorini]]>
<![CDATA[ Procedia of Engineering and Life Science Vol 3 (2022): Proceedings of the 5th Seminar Nasional Sains 2022 ]]>
Publisher : <![CDATA[Universitas Muhammadiyah Sidoarjo ]]>
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DOI: 10.21070/pels.v3i0.1345
<![CDATA[Human life relies heavily on agriculture. To fulfill the needs of human life every day, the process of planting, land, and harvest is fast. Short time and limited power are challenges that farmers should face. Similarly, the problem faced by tomato farmers is that they should be sorting tomatoes based on their level of maturity. The tomato farmers should be sorted by maturity level. The issue is a system of tomato partitioning based on maturity level. The purpose of this research is to design a tool to build the maturity of tomato fruit using Arduino. The tools used are color sensors TCS3200, HC-SR04 Ultrasonic, servo motors, and DC motors. The sorting system is designed using the principle of detecting red green blue (RGB) values of tomato fruit using color sensors. After that, the next system streams the tomatoes to the container according to the level of the decline by opening and closing the portal that is connected to the servo motor. The Portal leads to a ripe container if the fruit is ripe and vice versa if raw fruit leads to a raw container. Results obtained that the sorting tool is able to give a success rate of 90% in distinguishing ripe tomatoes ready to harvest (basil) from raw fruit (green).]]>
<![CDATA[Expert System For Failure Diagnosis Of Cvt 125/150 Led Motorcycle Using Website Based Forward Chaining Method ]]>
<![CDATA[Ahmad Muflih]]>;
<![CDATA[Ade Eviyanti]]>;
<![CDATA[Cindy Taurusta]]>
<![CDATA[ Procedia of Engineering and Life Science Vol 3 (2022): Proceedings of the 5th Seminar Nasional Sains 2022 ]]>
Publisher : <![CDATA[Universitas Muhammadiyah Sidoarjo ]]>
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DOI: 10.21070/pels.v3i0.1346
<![CDATA[Abstract-Over time, many people who previously did not use automatic motorbikes turned to automatic motorbike users because the way they were used was very easy and different from other types of motorbikes. Behind the easy way of using it, there are many problems that arise in automatic motor components, especially on the CVT. Not everyone understands the problem with the CVT. Some users prefer to take their motorbikes to both official and non-official workshops. So the development of an expert system, is a computer science that works like an expert. Forward Chaining method, a forward search method that begins with a fact will later produce a conclusion. The results show that an expert system for diagnosing automatic motorcycle damage using the forward chaining method helps users anticipate damage so that there will be no greater and sustainable damage.]]>
<![CDATA[Arduino Uno-based Brake Safety Design for Matic Motorcycles ]]>
<![CDATA[M Sujanarko]]>;
<![CDATA[Jamaaluddin Jamaaluddin]]>
<![CDATA[ Procedia of Engineering and Life Science Vol 3 (2022): Proceedings of the 5th Seminar Nasional Sains 2022 ]]>
Publisher : <![CDATA[Universitas Muhammadiyah Sidoarjo ]]>
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DOI: 10.21070/pels.v3i0.1347
<![CDATA[Failed brakes are an event or damage to a motorized vehicle component that can cause an accident as well as be a life threat to the driver. There are several factors that can cause brake failure, including thin or worn brake pads, and clogged brake fluid hoses. The problem that often occurs is overheating in the brake system which causes brake failure (fading). Failed brake events are more common in hilly descent areas, these accidents make brake failure the second most common accident after driver negligence such as drowsiness. One of the efforts to prevent the failure of the brakes to occur is to make a brake safety system on an automatic Arduino Uno motorbike. The method applied includes planning, manufacturing, and testing of tools. This detector uses the DS18B20 sensor as input, Arduino uno as a microcontroller, 16 x 2 LCD as direct monitoring, and the output is an LED light and a buzzer. The working principle of this tool is that the temperature of the brake calipers has started to heat up, so the DS18B20 sensor works by generating data that will be displayed on the LCD, and when it reaches the temperature limit of 100 degrees Celsius at the same time the buzzer sounds and the LED light turns on and the water pump functions which will spray part of the system. braking. During the heating process, the temperature will be monitored via the LCD display on the vehicle. The test results of this tool will be affected by the hot temperature of the DS18B20 sensor.]]>
<![CDATA[Google Sheet-based Monitoring of Screw Turbine Pico Hydro Power Plant on Masangan Wetan Village's River Flow ]]>
<![CDATA[Wildan Arief Prasetyo]]>;
<![CDATA[Arief Wisaksono]]>;
<![CDATA[Indah Sulistiyowati]]>
<![CDATA[ Procedia of Engineering and Life Science Vol 3 (2022): Proceedings of the 5th Seminar Nasional Sains 2022 ]]>
Publisher : <![CDATA[Universitas Muhammadiyah Sidoarjo ]]>
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DOI: 10.21070/pels.v3i0.1348
<![CDATA[Developments continue to be made to meet the electricity needs of the people in Indonesia. Still, in dire need of electricity as a life support, the Pico hydro Power Plant (PLTPH) is a cheap alternative, the advantage of the water turbine is that it is environmentally friendly because it does not disturb the water ecosystem in the rivers that exist in every rural area. The method used by the author is to design a tool to measure the rotation of the generator, the power that comes out of the generator, and others. where the flow of water passes through the turbine lattice so that it moves the turbine shaft and produces electrical energy through a generator then electricity can be stored in the battery and can be used for the appropriate working voltage of 12VDC. In the charging process, reading is also carried out by the sensor, to detect the voltage and current which is then processed by the NodeMCU Esp 32 and then transmitted into the Google sheet.]]>
<![CDATA[Production Facility Layout Redesign Using Systematic Layout Planning And Blocplan Methods ]]>
<![CDATA[Mukhammad Hasan Bisri]]>;
<![CDATA[Atikha Sidhi Cahyana]]>
<![CDATA[ Procedia of Engineering and Life Science Vol 3 (2022): Proceedings of the 5th Seminar Nasional Sains 2022 ]]>
Publisher : <![CDATA[Universitas Muhammadiyah Sidoarjo ]]>
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DOI: 10.21070/pels.v3i0.1349
<![CDATA[Layout of production facilities in CV. Jaya Rubber Industry was identified as less than optimal. The placement of production facilities that are less than optimal causes the distance between several departments to be far apart, for example in the cutting section to the molding section, the molding section to the trimming section and also the QC and packing sections to the finished goods warehouse. It was also found that intersecting material flows can cause backtracking, for example between molding to trimming and packing to the finished goods warehouse. These problems can result in the production process being less effective and efficient. This research combines two methods, namely systematic layout planning and blocplan methods. The systematic layout planning and Blocplan methods have several stages in planning the layout. This method is believed to be able to solve various problems that exist within the company such as production flow, transportation, warehousing, assembly and others. This method was chosen because the current industrial conditions require adjustments in the preparation of a good layout. The results of this study obtained a layout from the blocplan method which was chosen as the proposed layout with a total displacement distance of 44.25 with a decrease in distance of 23.75 m from the initial distance, with an efficiency level of 34% which was able to improve the flow of the production process for the better.]]>
<![CDATA[Production Scheduling Analysis To Minimize Inject–Blow Production Makespan on PT.XYZ Using Differential Evolution Algorithm Method ]]>
<![CDATA[Dzati Fauziyah]]>;
<![CDATA[Tedjo Sukmono]]>
<![CDATA[ Procedia of Engineering and Life Science Vol 3 (2022): Proceedings of the 5th Seminar Nasional Sains 2022 ]]>
Publisher : <![CDATA[Universitas Muhammadiyah Sidoarjo ]]>
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DOI: 10.21070/pels.v3i0.1350
<![CDATA[This study discusses the problem of job-shop scheduling at one of the well-known mineral water companies in Indonesia. This company produces a number of products in several types with different routes from each other. However, in reality, the effectiveness of production lies in the range of 54.8%–69.2%, so it is still far from running time production where the expected target is 80% for inject and 90% for blow. Where production scheduling is a complex problem so it takes the right method to get the optimal solution for these problems. The research method used is the differential evolution algorithm method, where this method aims to minimize the makespan value (total completion time of all jobs) on the job-shop production route so as to obtain optimal scheduling results and improve the existing system. Scheduling obtained through the differential evolution algorithm method produces a makespan value of x minutes, while the company's schedule has a makespan value of y minutes. So that the proposed scheduling results in a decrease of x% compared to company scheduling.]]>
