Mesin Listrik

Edition

-

ISBN/ISSN

978-623-027-840-2

Collation

xii, 84 hlm.; 23 cm

Series Title

-

Call Number

621.310 42 Wir m

RANCANG BANGUN SISTEM IRIGASI CURAH TIPE PIPA BERLUBANG BERTENAGA HAND TRACTOR

Penelitian ini merancang dan menguji sistem irigasi curah tipe pipa berlubang bertenaga hand tractor sebagai inovasi untuk meningkatkan efisiensi irigasi di lahan pertanian skala kecil hingga menengah. Sistem dirancang dengan tiga komponen utama, yaitu kerangka penyangga dari besi siku, sistem transmisi tenaga putar menggunakan pulley dan V-belt tipe B34, serta instalasi hidrodinamika yang terd…

PERBANDINGAN METODE SUPPORT VECTOR MACHINE DAN RANDOM FOREST DALAM KLASIFIKAS…

Accreditation is a benchmark in assessing the quality and feasibility of universities. One of the accreditation assessments in universities is the percentage of student graduation. So, the percentage of late graduation and Drop Out (DO) can affect the assessment. Therefore, there is a need for a technique in classifying student graduation time that can help provide recommendations for making po…

ANALISIS SENTIMEN PADA ULASAN GOOGLE PLAY STORE UNTUK MENGUKUR PERSEPSI PENGG…

This study was conducted to analyse sentiment towards user reviews from the Google Play Store regarding the Gojek application. The analysis aims to measure user perceptions using a Convolutional Neural Network (CNN). This study aims to understand user views on the Gojek application. By understanding user perceptions, the information obtained can be utilized by the company's service team to impr…

OTOMATISASI ULASAN PENGGUNA: DETEKSI KELUHAN ACTIONABLE PADA GOJEK DI PLAY ST…

This study aims to develop an automatic complaint detection system for Gojek application reviews using Long Short-Term Memory (LSTM). The dataset used in this research consists of 225,002 user reviews obtained from the Play Store. The objective is to build a system capable of classifying user reviews into two labels. The processing was carried out using three different data-split ratios to ensu…

DETEKSI KOMENTAR DAN ANALISIS SENTIMEN PROMOSI JUDI ONLINE PADA YOUTUBE MENGG…

YouTube, as a highly interactive platform, has become a medium for online gambling promotions, raising legal issues under the Electronic Information and Transactions (ITE) Law and social risks, particularly for adolescents. This study aims to analyse public responses to gambling-related comments and to develop an automatic detection system using Natural Language Processing (NLP). The research f…

PERBANDINGAN ALGORITMA SVM DAN NAIVE BAYES DALAM ANALISIS SENTIMEN TERHADAP U…

Indonesia’s rapid e-commerce growth has produced a vast volume of user reviews, yet their use for insight extraction remains limited—particularly for the Bukalapak platform. This study compares the performance of Naïve Bayes and Support Vector Machine for sentiment classification on 10,000 Bukalapak reviews. The workflow includes text preprocessing (cleaning, case folding, tokenization, st…

STUDI KOMPARATIF ALGORITMA KLASIFIKASI DALAM MENGANALISIS SENTIMEN APLIKASI S…

Public service applications such as SIGNAL facilitate the public in accessing information and making motor vehicle tax payments. However, the diversity of user reviews indicates the need to evaluate public perceptions through sentiment analysis. This study compares the performance of four classification algorithms Naïve Bayes, Random Forest, Decision Tree, and SVM in analyzing 36,000 user revi…

MODIFIKASI TATA LETAK BATERAI MESIN SADAP KARET ELEKTRIK.

The purpose of the study is to modify the electric rubber tapping machine through the position of the power source and determine the performance of the electric rubber tapping machine. The research has been carried out from September 2023 to October 2023 in Beriang Village, Tanjung Raja District, Ogan Ilir Regency, South Sumatra. The research method used were technical design and data presentat…

PENGARUH PROSES QUENCHING DAN INHIBITOR DAUN COCOR BEBEK TERHADAP LAJU KOROSI…

This research aims to determine the effect of adding cocorbek leaf inhibitors on the corrosion rate of ST 37 steel and the quenching process. This research is using experimental method. Using five specimens that will be tested through a quenching process with cocorbek leaf inhibitors with varying concentrations of 100%, 80%, 60%, 40% and without inhibitors. The quenching temperature is 800o C w…

PENERAPAN K-NEAREST NEIGHBORS DAN RANDOM OVERSAMPLING PADA KLASIFIKASI KEJADI…

Before performing classification, it is important to ensure that the dataset used does not contain missing data and imbalanced data. Missing data is a condition where some information or data from the dataset is not available. Imbalanced data is a condition where the number of observations in one class in a dataset is much greater than the number of observations in other classes. The purpose of…

REKAYASA MIKROSTRUKTUR BAJA 42CrMo4 MELALUI AUSTEMPER DUA TAHAP UNTUK MENINGK…

Baja 42CrMo4 mengandung karbon ~0,4 wt.% dan tergolong baja komersil paduan rendah yang banyak diaplikasikan pada komponen mesin yang mengalami regangan besar seperti gandar, batang penghubung, roda gigi, spindel, poros Perlakuan panas yang diberikan pada baja 42CrMo4 yaitu austemper dua tahap yang mana dapat digunakan untuk meningkatkan kekuatan, ketangguhan, dan fatiknya. Pengujian tarik, imp…

UJI KINERJA ALAT PERAJANG TIPE GESER (SLIDING BLADE) PADA BERBAGAI SUDUT POTO…

Penelitian ini bertujuan untuk mengetahui kinerja alat perajang tipe geser (sliding blade) pada berbagai sudut potong pisau dan beban tekan umbi singkong terhadap kapasitas kerja dan irisan yang dihasilkan. Penelitian dilaksanakan bulan Juni 2024 sampai dengan selesai di Sub Laboratorium Mesin Jurusan Teknologi Pertanian, Fakultas Pertanian, Universitas Sriwijaya. Metode yang digunakan peneliti…

ANALISIS FINANSIAL ALAT PANEN SAWIT MEKANIS

The research conducted to analyze the financial feasibility of using mechanical oil palm harvesting tools and compare the operational costs of using mechanical oil palm harvesting tools with three types of blades, namely chisel, sickle, and chainsaw and the cost of manual work with chisel and sickles blades in the oil palm harvesting process. This research used descriptive method with a quantit…

ANALISA EFISIENSI POMPA DENGAN VARIASI SUDUT SUDU IMPELLER

Pompa adalah suatu mesin yang digunakan untuk memindahkan zat cair dari satu tempat ke tempat lain melalui pipa dengan menambahkan energi pada fluida yang dipindahkan dan berlangsung secara terus menerus. Pompa sentrifugal (centrifugal pumps) memiliki elemen utama berupa motor penggerak dan sudu impeller dengan kecepatan putar yang tinggi. Impeler pada pompa sentrifugal adalah komponen yang ber…

ANALISIS SENTIMEN KEMACETAN DI KOTA PALEMBANG BERDASARKAN DATA MEDIA SOSIAL F…

Sentiment analysis on traffic congestion in Palembang City was carried out using Facebook comments that represent public opinions regarding daily traffic conditions. Data were obtained through web scraping, and after undergoing preprocessing stages—such as text cleaning, tokenization, stopwords removal, stemming, and normalization—a total of 2,505 cleaned entries were prepared and transform…

EVALUASI DISTRIBUSI ENERGI PADA ALAT PENGHEMAT ENERGI VERTIKAL UNTUK PENYEMPU…

Penelitian ini bertujuan untuk mengevaluasi distribusi energi pada alat penghemat energi vertikal (PEV) guna menyempurnakan produk paten. Metode yang digunakan meliputi pengukuran kecepatan aliran udara, temperatur, dan entalpi pada beberapa titik menggunakan anemometer dan termometer digital. Bahan bakar yang digunakan adalah kayu bakar, dan alat diuji dengan bantuan exhaust fan untuk menarik …

ANALISA ENERGI AKTIVASI DAN TEMPERATUR SOLIDUS PADA PENGECORAN ALUMINIUM YANG…

Penelitian ini bertujuan untuk menganalisis energi aktivasi dan temperatur solidus pada pengecoran aluminium AA6061 yang ditambah serbuk arang kayu. Metodologi penelitian dilakukan dengan melakukan pengecoran aluminium AA6061 menggunakan cetakan logam dan menambahkan serbuk arang kayu sebagai bahan tambah. Proses pengecoran ini diawasi menggunakan analisis termogravimetri untuk mengevaluasi sta…

PERANCANGAN PERAHU LISTRIK KAPASITAS DUA ORANG

The development of solar panel-powered electric boats for use in lake waters requires in-depth research given the unique characteristics of lake waters. Although water currents in lakes are calmer than the sea, more extreme weather conditions, varying water depths, and interactions with ecosystems within the lake pose challenges. This research aims to explore the potential and challenges in the…

ANALISIS KOEFISIEN PADA ALIRAN NANOFLUIDA DENGAN PARTIKEL AL2O3 FRAKSI VOLUME…

Penelitian ini menganalisis koefisien aliran nanofluida dengan partikel Al2O3 pada fraksi volume 0,3%, 0,5%, dan 0,7%. Aliran nanofluida dipelajari untuk memahami pengaruhnya terhadap perpindahan panas dan efisiensi termal. Studi ini menggunakan metode eksperimental dengan mengukur koefisien konveksi fluida pendingin (ho) dan koefisien konveksi keseluruhan (U) pada berbagai fraksi volume nanopa…

VIBRATION ANALYSIS OF CNC PLASMA CUTTING MACHINE

This research investigates the vibration behavior of a CNC Plasma Cutting machine as part of a predictive maintenance approach. The study focuses on the influence of three process parameters: pressure, current, and cutting speed, with vibration RMS and acceleration (a(g)) as the measured responses. Vibration data were collected using a Vibration Analyzer and Bearing Defender. The results were a…

KNOWLEDGE DISCOVERY PADA CHURN PELANGGAN E-COMMERCE MENGGUNAKAN INTERPRETABLE…

Customer churn remains a major challenge in the e-commerce industry as it directly impacts revenue and long-term customer value. This study applies an interpretable machine learning approach to not only predict churn but also identify the key factors influencing it. The analysis uses a publicly available dataset containing customer behavior and transaction records, with data preparation steps i…

ASPECT-BASED SENTIMENT ANALYSIS DAN KNOWLEDGE EXTRACTION UNTUK EVALUASI PERSE…

The rapid growth of digital wallet usage in Indonesia has raised concerns regarding user security and account protection. This study evaluates user sentiment related to the security features of the DANA digital wallet by applying Aspect Sentiment Classification (ASC), a subtask of Aspect-Based Sentiment Analysis (ABSA). A total of 4,846 security-related reviews were collected using keyword-base…

OPTIMASI NILAI K PADA KNN MENGGUNAKAN PARTICLE SWARM OPTIMIZATION UNTUK DIAGN…

Stroke is a leading cause of disability and death worldwide, making accurate early diagnosis essential to reduce long-term impacts. This study aims to implement K-Nearest Neighbors (KNN) for Stroke diagnosis Classification and to optimize the value of K using Particle Swarm Optimization (PSO). The dataset was obtained from Kaggle, consisting of 5,110 entries and 12 demographic and clinical feat…

ANALISIS KOROSI AISI 1020 DAN ALUMINIUM 1050 PADA LINGKUNGAN AIR LINDI AKIBAT…

This research analyzes the corrosion of Low Carbon Steel AISI 1020 and Aluminum 1050 in a leachate environment with various soaking times. Corrosion is the process of damaging metal materials due to chemical or electrochemical reactions with the environment. In this research, low carbon steel and aluminum specimens were immersed in water contaminated with waste from the Sukawinatan landfill, Pa…

SIMULASI CRASHWORTHINESS EASIEST TO BREAK RANGKA PELINDUNG SENSOR SRIFADA DAR…

This study investigates the "easiest to break" collision characteristics of a sensor protective frame designed from Aluminium Alloy 2024 for the runway flood monitoring system at Sultan Mahmud Badaruddin II Airport in Palembang. Three variations of the sensor frame design were simulated using finite element analysis (FEA) software to assess their response to impact loading from aircraft wheels …

PENGARUH PENAMBAHAN BIOSILIKA SEKAM PADI PADA PEMBUATAN MATERIAL BIOFOAM DARI…

Biodegradable foam (biofoam) as a food packaging material is an alternative to conventional styrofoam packaging products that are more environmentally friendly because they can be decomposed naturally so that they do not cause environmental pollution. This experiment aims to determine the effect of the addition of rice husk biosilica in the manufacture of biofoam based on cassava starch and oth…

PEMBUATAN ALAT TAMBAHAN UNTUK PENGERJAAN ALUR SEGI EMPAT PADA PROSES PEMESINA…

Attachment are specially designed to facilitate manufacturing processes. Essentially, the function of such attachment tools is to ensure production quality, reduce costs, improve production time efficiency, and increase overall output. In this study, efforts were made to introduce variations of feeding modeling in the turning process using an additional attachment tool. This attachment is insta…

STUDI FABRIKASI PENGARUH TEKANAN PADA PROSES SINTERING DINGIN HA-HDPE

Penelitian ini dilatarbelakangi oleh meningkatnya kebutuhan biomaterial untuk aplikasi medis, khususnya material komposit hidroksiapatit (HA) yang memiliki biokompatibilitas tinggi namun sifat mekaniknya masih lemah. Untuk meningkatkan kekuatan dan ketahanan HA, HDPE digunakan sebagai matriks polimer karena sifat mekanik dan biokompatibilitasnya yang baik. Metode fabrikasi yang umum digunakan s…

ALAT PEMBUAT GULUDAN TIPE BAJAK SINGKAL (RIDGER PLOUGH) GANDA PADA PERBEDAAN …

This study aims to determine the performance of a double ridger plough at different widths and depths of soil dredging using an 8.5 hp hand tractor. The study was conducted at the Agricultural Machinery and Equipment Workshop Laboratory, the Soil and Water Engineering Laboratory, and the Research Garden of the Faculty of Agriculture, Sriwijaya University, from May to September 2025. The researc…