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DETECTION OF SQL INJECTION VULNERABILITY IN CODEIGNITER FRAMEWORK USING STATIC ANALYSIS 基于静态分析的codeigniter框架中SQL注入漏洞检测
Multitek Indonesia Pub Date : 2023-07-31 DOI: 10.24269/mtkind.v17i1.7267
Muhammad Fahmi Al Azhar, Ruki Harwahyu
{"title":"DETECTION OF SQL INJECTION VULNERABILITY IN CODEIGNITER FRAMEWORK USING STATIC ANALYSIS","authors":"Muhammad Fahmi Al Azhar, Ruki Harwahyu","doi":"10.24269/mtkind.v17i1.7267","DOIUrl":"https://doi.org/10.24269/mtkind.v17i1.7267","url":null,"abstract":"SQL Injection attacks are still one type of attack that often occurs in web-based applications. The causes and ways to prevent SQL Injection have been widely explained in various sources. Unfortunately, until now, SQL Injection vulnerabilities are still often found in multiple applications. Web-based application frameworks that already have functions to protect against attacks are often not used optimally. This is inseparable from the role of programmers, who often forget the rules for writing program code to prevent SQL Injection attacks. We conducted this research to detect SQL Injection vulnerabilities in source code using a case study of the PHP CodeIgniter framework. We compared this research with static analysis tools like RIPS, Synopsys Coverity, and Sonarqube. The tool we have developed can detect SQL Injection vulnerabilities that cannot be detected by the two tools with an accuracy of 88.8%. The results of our research can provide suggestions for programmers so that they can improve the code they write.","PeriodicalId":31718,"journal":{"name":"Multitek Indonesia","volume":"12 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2023-07-31","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"135313845","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
ANALISIS PENGARUH KETEBALAN MAGNET DAN JUMLAH LILITAN TERHADAP KARAKTERISTIK GENERATOR MAGNET PERMANEN 18 SLOT 16 POLE 分析磁铁厚度和缠绕量对永久性磁铁发生器18个插槽16个插槽特性的影响
Multitek Indonesia Pub Date : 2023-07-31 DOI: 10.24269/mtkind.v17i1.7411
Abdurahman Diar, Zulfatri Aini
{"title":"ANALISIS PENGARUH KETEBALAN MAGNET DAN JUMLAH LILITAN TERHADAP KARAKTERISTIK GENERATOR MAGNET PERMANEN 18 SLOT 16 POLE","authors":"Abdurahman Diar, Zulfatri Aini","doi":"10.24269/mtkind.v17i1.7411","DOIUrl":"https://doi.org/10.24269/mtkind.v17i1.7411","url":null,"abstract":"Abstrak Energi angin di Indonesia memiliki potensi yang besar sehingga perlu dimanfaatkan untuk menghasilkan energi listrik dalam rangka transisi energi. Namun, kecepatannya yang tergolong menengah-rendah merupakan tantangan untuk memaksimalkan potensinya. Generator yang cocok digunakan adalah Permanent Magnet Synchronous Generator (PMSG). Namun, PMSG yang digunakan saat ini memiliki efisiensi dan karakteristik yang masih rendah. Penelitian ini menggunakan parameter-parameter terbaik dari penelitian-penelitian sebelumnya dan menambahkan pembaruan pada ketebalan magnet dan jumlah lilitan agar dapat menghasilkan PMSG berkarakteristik tinggi. Peneliti melakukan perancangan dan pengujian melalui simulasi dengan bantuan software Magnet Infolytica dengan metode Finite Element Method (FEM). Nilai hasil simulasi diolah menggunakan Microseft Excel untuk menghasilkan nilai daya input, daya output dan efisiensi. Variasi ketebalan magnet yang digunakan adalah 3 mm, 6 mm, dan 9 mm. Variasi jumlah lilitan yang digunakan adalah 20, 30, dan 40 lilitan. Hasil simulasi penelitian menunjukkan bahwa karakteristik tertinggi yang dihasilkan adalah PMSG ketebalan 9 mm dan lilitan 40 dengan arus 26,59 A, tegangan 265,88 V, torsi -73,85 Nm, daya input 7.744,71 W dan daya output 7.266,01 W. Sedangkan efisiensi terbesar adalah PMSG ketebalan 9 mm dan lilitan 30 dengan arus 24,36 A, tegangan 243,58 V, torsi -61,52 Nm, daya input 6.441,46, daya output 6.101,13 dan efisiensi 94,70%. Abstract Wind energy in Indonesia has great potential so it needs to be utilized to produce electrical energy in the context of energy transition. However, its medium-low speed is a challenge to maximize its potential. A suitable generator for use is a Permanent Magnet Synchronous Generator (PMSG). However, the PMSG used today has low efficiency and characteristics. This study uses the best parameters from previous studies and adds updates to the magnetic thickness and number of windings to produce high-characteristic PMSG. Researchers design and test through simulation with the help of Magnet Infolytica software with Finite Element Method (FEM) method. The simulated values are processed using Microsoft Excel to produce input power, output power, and efficiency values. The variations in magnetic thickness used are 3 mm, 6 mm, and 9 mm. The variations in the number of windings used are 20, 30, and 40 windings. The results of the research simulation showed that the highest characteristics produced were PMSG thickness of 9 mm and winding 40 with a current of 26,59 A, voltage of 265,88 V, torque of -73,85 Nm, input power of 7.744,71 W and output power of 7.266,01 W. While the greatest efficiency is PMSG thickness of 9 mm and winding 30 with a current of 24,36 A, voltage of 243,58 V, torque of -61,52 Nm, Input power 6.441,46, output power 6.101,13 and efficiency 94,70%.","PeriodicalId":31718,"journal":{"name":"Multitek Indonesia","volume":"22 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2023-07-31","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"135313847","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 1
PENGARUH PEMBERSIHAN DEPOSIT KARBON DI RUANG BAKAR TERHADAP DAYA DAN TORSI MESIN 1300 cc 燃料室的碳储量清洁对13cc发动机的功率和扭矩的影响
Multitek Indonesia Pub Date : 2023-07-31 DOI: 10.24269/mtkind.v17i1.5253
Mujahid Wahyu
{"title":"PENGARUH PEMBERSIHAN DEPOSIT KARBON DI RUANG BAKAR TERHADAP DAYA DAN TORSI MESIN 1300 cc","authors":"Mujahid Wahyu","doi":"10.24269/mtkind.v17i1.5253","DOIUrl":"https://doi.org/10.24269/mtkind.v17i1.5253","url":null,"abstract":"Abstrak Deposit karbon hasil pembakaran yang tertinggal di ruang bakar diduga telah berpengaruh secara simultan terhadap daya dan torsi mesin. Tujuan dari artikel ilmiah ini untuk mengungkap pengaruh pembersihan deposit karbon di ruang bakar terhadap daya dan torsi mesin 1300cc. Penelitian ini menggunakan metode eksperimen murni dengan variabel bebas berupa pembersihan deposit karbon dari ruang bakar mesin 1300 cc dengan cairan asam. Variabel terikat berupa nilai daya dan torsi yang diukur dengan alat uji chassis dyno test. Hasil penelitian menunjukkan bahwa setelah dilakukan proses pembersihan deposit karbon, daya maksimal mesin 1300 cc meningkat dari 53 hp menjadi rerata 57 hp pada pengujian di gigi percepatan 4. Torsi maksimal juga meningkat dari 84 Nm menjadi 90 Nm pada gigi percepatan 3 dan meningkat dari 83 Nm menjadi 87 Nm pada gigi percepatan 4. AbstractThe carbon deposit from combustion left in the combustion chamber are thought to have simultaneously effected on the engine’s power and torque. The purpose of this paper to investigate the effect of cleaning carbon deposit in the combustion chamber on the power and torque of the 1300cc. This research used pure experimental method with an independent variable in the form of cleaning carbon deposit from combustion chamber of a 1300 cc engine with acid. The dependent variable were the value of power and torque as measured measuring by the chassis dynotest tool. The results showed that after the carbon deposit cleaning process was carried out, the maximum power of the 1300 cc engine increased from 53 hp to 57 hp in the test in 4th acceleration gear. The maximum torque also increased from 84 Nm to 90 Nm in 3rd acceleration gear and increased from 83 Nm to 87 Nm in 4th gear.","PeriodicalId":31718,"journal":{"name":"Multitek Indonesia","volume":"33 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2023-07-31","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"135314012","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
KOORDINASI PEMBANGKIT LISTRIK TENAGA SURYA (PLTS) BERBASIS ALGORITMA MULTIPLE SEQUENCE ALIGNMENT (MSA) 基于多阶排列算法(MSA)的太阳能发电厂(PLTS)协调
Multitek Indonesia Pub Date : 2023-07-31 DOI: 10.24269/mtkind.v17i1.7021
Denny Irawan
{"title":"KOORDINASI PEMBANGKIT LISTRIK TENAGA SURYA (PLTS) BERBASIS ALGORITMA MULTIPLE SEQUENCE ALIGNMENT (MSA)","authors":"Denny Irawan","doi":"10.24269/mtkind.v17i1.7021","DOIUrl":"https://doi.org/10.24269/mtkind.v17i1.7021","url":null,"abstract":"Abstrak Pembangkit Listrik Tenaga Surya (PLTS) dapat tersusun dari banyak panel surya dan terhubung dengan banyak beban pada outputnya. Kehandalan suatu sistem tenaga listrik adalah terjaminnya suplai tenaga listrik yang selalu dapat memenuhi beban (kontinyuitas) dan kualitas tenaga listrik yang dihasilkan (tegangan dan frekuensi). Jurnal ini berisi tentang koordinasi Sistem Tenaga Listrik dengan PLTS sebagai sumber energinya yang terpantau arus (I) dan tegangan (V) sehingga dapat ditentukan daya keluaran dari panel surya dan melakukan pengaturan beban pada outputnya (adaptif), sehingga ketika daya input maksimum, maka semua beban yang sudah ditentukan berdasarkan prioritasnya dapat masuk kedalam sistem, dan ketika daya turun misalkan karena alam ketika cuaca mendung, maka controller akan melakukan load shedding atau pemutusan beban, dimana beban yang harus lepas terlebih dahulu adalah yang mempunyai prioritas rendah. Kebaruan dari penelitian ini adalah bahwa sistem yang dibangun berbasis algoritma Multiple Sequence Alignment (MSA) yang digunakan jika ada beban yang lepas tetapi tidak sesuai dengan urutan prioritasnya, sehingga algoritma tersebut dapat menentukan keputusan urutan prioritas yang sesuai dan bekerja secara otomatis untuk menjamin kontinyuitas dan kualitas tenaga listrik yang dihasilkan. Abstrak Pembangkit Listrik Tenaga Surya (PLTS) dapat tersusun dari banyak panel surya dan terhubung dengan banyak beban pada outputnya. Kehandalan suatu sistem tenaga listrik adalah terjaminnya suplai tenaga listrik yang selalu dapat memenuhi beban (kontinyuitas) dan kualitas tenaga listrik yang dihasilkan (tegangan dan frekuensi). Jurnal ini berisi tentang koordinasi Sistem Tenaga Listrik dengan PLTS sebagai sumber energinya yang terpantau arus (I) dan tegangan (V) sehingga dapat ditentukan daya keluaran dari panel surya dan melakukan pengaturan beban pada outputnya (adaptif), sehingga ketika daya input maksimum, maka semua beban yang sudah ditentukan berdasarkan prioritasnya dapat masuk kedalam sistem, dan ketika daya turun misalkan karena alam ketika cuaca mendung, maka controller akan melakukan load shedding atau pemutusan beban, dimana beban yang harus lepas terlebih dahulu adalah yang mempunyai prioritas rendah. Kebaruan dari penelitian ini adalah bahwa sistem yang dibangun berbasis algoritma Multiple Sequence Alignment (MSA) yang digunakan jika ada beban yang lepas tetapi tidak sesuai dengan urutan prioritasnya, sehingga algoritma tersebut dapat menentukan keputusan urutan prioritas yang sesuai dan bekerja secara otomatis untuk menjamin kontinyuitas dan kualitas tenaga listrik yang dihasilkan.","PeriodicalId":31718,"journal":{"name":"Multitek Indonesia","volume":"31 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2023-07-31","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"135314013","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
PERBANDINGAN METODE NAÏVE BAYES, SUPPORT VECTOR MACHINE DAN RECURRENT NEURAL NETWORK PADA ANALISIS SENTIMEN ULASAN PRODUK E-COMMERCE 使用天真贝叶斯、支持向量机和递归神经网络分析电子商务产品的情况
Multitek Indonesia Pub Date : 2023-07-31 DOI: 10.24269/mtkind.v17i1.7092
Tjut Awaliyah Zuraiyah, Mulyati Mulyati Mulyati, Gilang Haikal Fikri Harahap
{"title":"PERBANDINGAN METODE NAÏVE BAYES, SUPPORT VECTOR MACHINE DAN RECURRENT NEURAL NETWORK PADA ANALISIS SENTIMEN ULASAN PRODUK E-COMMERCE","authors":"Tjut Awaliyah Zuraiyah, Mulyati Mulyati Mulyati, Gilang Haikal Fikri Harahap","doi":"10.24269/mtkind.v17i1.7092","DOIUrl":"https://doi.org/10.24269/mtkind.v17i1.7092","url":null,"abstract":"Abstrak Analisis sentimen digunakan sebagai alat bantu untuk mendapatkan pendapat dari konsumen atau masyarakat luas. Ulasan produk pada e-commerce memberikan pengaruh pada penjualan produk. Penelitian ini bertujuan untuk melakukan analisis sentimen terhadap ulasan produk pada platform e-commerce menggunakan algoritma Naïve Bayes, Support Vector Machine (SVM), dan Recurrent Neural Network (RNN). Penelitian juga melibatkan tahapan seleksi data, preprocessing, transformasi, data mining, dan evaluasi/interpretasi. Selain itu, penelitian ini juga bertujuan untuk mengatasi masalah imbalanced data yang terjadi antara sentimen positif dan negatif dengan menerapkan teknik oversampling menggunakan library SMOTE. Dengan melakukan penelitian ini, diharapkan dapat memberikan wawasan dan pemahaman yang lebih baik tentang analisis sentimen dan kontribusinya dalam memahami pendapat konsumen serta meningkatkan keputusan pembelian produk. Dalam penelitian ini, dilakukan analisis sentimen terhadap ulasan produk e-commerce menggunakan algoritma Naïve Bayes, SVM, dan RNN. Data opini diklasifikasikan menjadi positif, negatif, atau netral. Terdapat perbedaan jumlah data antara sentimen positif dan negatif (imbalanced data), yang diperlakukan secara berbeda dalam model. Hasil penelitian menunjukkan bahwa Naïve Bayes memiliki akurasi 86%, SVM memiliki akurasi 88%, dan RNN memiliki akurasi 96% dengan epoch 100. Abstract Sentiment analysis serves as a valuable tool for capturing consumer opinions and broader public sentiment. Product reviews posted on e-commerce platforms significantly influence product sales. The objective of this research is to perform sentiment analysis on e-commerce product reviews utilizing Naïve Bayes, Support Vector Machine (SVM), and Recurrent Neural Network (RNN) algorithms. The study encompasses data selection, preprocessing, transformation, data mining, and evaluation/interpretation as crucial stages. Moreover, addressing the issue of imbalanced data, particularly the disparity between positive and negative sentiments, is achieved through the application of oversampling techniques utilizing the SMOTE library. This research aims to enhance the understanding of sentiment analysis, its significance in comprehending consumer opinions, and its role in improving product purchase decisions. The sentiment analysis of e-commerce product reviews was conducted using Naïve Bayes, SVM, and RNN algorithms. The opinions were classified as positive, negative, or neutral. Notably, there is a distinction in the data distribution between positive and negative sentiments (imbalanced data), which necessitates distinct treatment within the models. The findings revealed an accuracy of 86% for Naïve Bayes, 88% for SVM, and 96% for RNN with an epoch of 100.","PeriodicalId":31718,"journal":{"name":"Multitek Indonesia","volume":"46 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2023-07-31","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"135313848","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
IMPLEMENTASI USE CASE DIAGRAM DAN ACTIVITY DIAGRAM DALAM PERANCANGAN APLIKASI KALKULATOR PAJAK BAGI UMKM 在设计 umkm 税收计算器应用程序时实施用例图和活动图
Multitek Indonesia Pub Date : 2023-07-31 DOI: 10.24269/mtkind.v17i1.6024
Muhammad Syahid Pebriadi, Putriana Salman, Tino Kemal Fattah
{"title":"IMPLEMENTASI USE CASE DIAGRAM DAN ACTIVITY DIAGRAM DALAM PERANCANGAN APLIKASI KALKULATOR PAJAK BAGI UMKM","authors":"Muhammad Syahid Pebriadi, Putriana Salman, Tino Kemal Fattah","doi":"10.24269/mtkind.v17i1.6024","DOIUrl":"https://doi.org/10.24269/mtkind.v17i1.6024","url":null,"abstract":"Abstrak Usaha Mikro, Kecil, dan Menengah (UMKM) mempunyai kewajiban untuk membayar pajak setiap tahunnya. Namun, masih ada kendala terkait pencatatan dan pelaporan pajak. Oleh karena itu diperlukan bantuan teknologi seperti aplikasi kalkulator pajak. Metode penelitian mengikuti model pengembangan perangkat lunak Waterfall meliputi Analisa sistem, desain sistem, pengkodean, pengujian black box dan pemeliharaan. Hasil penelitian berupa aplikasi kalkulator pajak yang dirancang menggunakan bantuan use case diagram dan activity diagram. Abstract Micro, Small, and Medium Enterprises (MSMEs) have the obligation to pay taxes every year. However, there are still obstacles related to tax recording and reporting. Therefore it requires the help of technology such as the application of a tax calculator. Research methods following the Waterfall software development life cycle include System analysis, system design, coding, black box testing and maintenance. The results of the study are in the form of a tax calculator application designed using the help of use case diagrams and activity diagrams.","PeriodicalId":31718,"journal":{"name":"Multitek Indonesia","volume":"56 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2023-07-31","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"135313846","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
RANCANG BANGUN E-COMMERCE HASIL PANEN DAN OLAHAN HASIL TANI BERBASIS WEBSITE 设计基于网站的农作物和加工产品
Multitek Indonesia Pub Date : 2022-08-02 DOI: 10.24269/mtkind.v16i1.4048
Tjut Awaliyah Zuraiyah, Halimahtu Sadiah, Yetty Husnul Hayati, Lia Dahlia Iryani
{"title":"RANCANG BANGUN E-COMMERCE HASIL PANEN DAN OLAHAN HASIL TANI BERBASIS WEBSITE","authors":"Tjut Awaliyah Zuraiyah, Halimahtu Sadiah, Yetty Husnul Hayati, Lia Dahlia Iryani","doi":"10.24269/mtkind.v16i1.4048","DOIUrl":"https://doi.org/10.24269/mtkind.v16i1.4048","url":null,"abstract":"Serikat Petani Indonesia menyatakan bahwa masalah utama yang dialami petani hingga saat ini adalah kesulitan pemasaran hasil panen. Harga hasil panen banyak ditetapkan oleh tengkulak sehingga para petani mengalami kerugian karena modal kerja yang sudah dikeluarkan tidak sebanding dengan hasil penjualan hasil panen yang diperoleh. Selain itu kondisi pandemi Covid 19 juga mempengaruhi proses penjualan hasil panen. Tujuan dari penelitian ini adalah membuat sistem penjualan online atau e-commerce yang dapat memfasilitasi para petani untuk menjual hasil panen dan olahan taninya langsung baik kepada distributor maupun langsung kepada konsumen. Tahapan dari penelitian ini meliputi analisis kebutuhan fungsional, perancangan, implementasi dan pengujian. Penelitian ini telah menghasilkan produk berupa e-commerce hasil panen dan olahan tani yang memiliki fitur menampilkan daftar produk dan harganya, fitur pemesanan, fitur penawaran, fitur laporan penjualan produk dan grafik penjualan. Aplikasi ini telah diuji menggunakan blackbox testing. Skor hasil pengujian sistem ini adalah 100%, yaitu sistem berjalan sesuai dengan output yang diharapkan.","PeriodicalId":31718,"journal":{"name":"Multitek Indonesia","volume":" ","pages":""},"PeriodicalIF":0.0,"publicationDate":"2022-08-02","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"42144983","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
PERANCANGAN ALAT PENGANGKUT MATERIAL GEROBAK SORONG YANG ERGONOMIS UNTUK EFISIENSI DAN PENINGKATAN PRODUKTIVITAS 设计符合人体工程学的推车材料,以提高效率和生产力
Multitek Indonesia Pub Date : 2022-08-02 DOI: 10.24269/mtkind.v16i1.3776
Aini Lostari, S. ., R. Hartono, Shultoni Mahardika, Kuni Nadliroh
{"title":"PERANCANGAN ALAT PENGANGKUT MATERIAL GEROBAK SORONG YANG ERGONOMIS UNTUK EFISIENSI DAN PENINGKATAN PRODUKTIVITAS","authors":"Aini Lostari, S. ., R. Hartono, Shultoni Mahardika, Kuni Nadliroh","doi":"10.24269/mtkind.v16i1.3776","DOIUrl":"https://doi.org/10.24269/mtkind.v16i1.3776","url":null,"abstract":"The development of an industrial product arises with various problems and product quality that has high value. One example of a product that needs to be redesigned is a wheelbarrow or handcart. The wheelbarrow is a simple material conveyance which is pushed by hand, one wheel and one operator through the handle. This research aims at an ergonomic and economical handcart, so as to produce a product that can be useful for medium-sized industries and can increase efficiency and increase work productivity. This research was carried out by redesigning the product as a development, where this product is usually used in a building called a traditional material conveying tool, then calculating the axle and pedal stress on a wheelbarrow. In this study it can be concluded that the wheelbarrow or wheelbarrow is designed more ergonomically with several changes including changes in the height of the stalk from the ground to minimize bending when lifting the wheelbarrow, changes in shape and size of the supports to accommodate various lifting positions, other things, changes in shape and the size of the body so that when lifting and pushing the wheelbarrow, the load is more balanced, the addition of a jack to make it easier for users to spill loads from the body, the addition of two rear wheels to make it easier to push the wheelbarrow, and change the handle to make it easier for users","PeriodicalId":31718,"journal":{"name":"Multitek Indonesia","volume":" ","pages":""},"PeriodicalIF":0.0,"publicationDate":"2022-08-02","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"46555801","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
KARAKTERISTIK KEKUATAN IMPAK DAN KEKERASAN HYBRID BIOKOMPOSIT BERBASIS EPOKSI YANG DIPERKUAT SERAT SABUT KELAPA DAN SERAT SINTETIS 采用椰子壳和合成纤维加固的聚合体复合材料的特征
Multitek Indonesia Pub Date : 2022-08-02 DOI: 10.24269/mtkind.v16i1.5102
Indra Mawardi, Nurdin Husin, Zaini Zaini, U. Usman, S. Saifuddin
{"title":"KARAKTERISTIK KEKUATAN IMPAK DAN KEKERASAN HYBRID BIOKOMPOSIT BERBASIS EPOKSI YANG DIPERKUAT SERAT SABUT KELAPA DAN SERAT SINTETIS","authors":"Indra Mawardi, Nurdin Husin, Zaini Zaini, U. Usman, S. Saifuddin","doi":"10.24269/mtkind.v16i1.5102","DOIUrl":"https://doi.org/10.24269/mtkind.v16i1.5102","url":null,"abstract":"","PeriodicalId":31718,"journal":{"name":"Multitek Indonesia","volume":" ","pages":""},"PeriodicalIF":0.0,"publicationDate":"2022-08-02","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"42395027","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 1
OPTIMASI ALGORITMA FIREFLY PADA MAXIMUM POWER POINT TRACKING (MPPT) SAAT KONDISI PANEL SURYA TERHALANGI SEBAGIAN 当太阳能电池板的条件部分被抹去时,最大功率点上的萤火虫算法优化(MPPT)
Multitek Indonesia Pub Date : 2022-08-02 DOI: 10.24269/mtkind.v16i1.4844
Syamsul Fuad
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