bluuebunny/crossref_metadata_2025_split huggingface dataset:
Implementasi Komunikasi Master – Slave pada PLC OMRON CP1H
Authors: Aji Galuh Purnama , Sumbodo Bakhtiar Alldino 
Published: March 2022

Almost all factories now use automated system, where the factory using a control system that can do the work itself and the operator are not too play an active role. With a system that runs automatically is expected to yield a production will increase with the quality of the product that generated the same no difference. Common control system used by the company in the form of PLC (Programmable Logic Controller). The system uses two OMRON CP1H PLC as drivers and integrated with CX-Designer HMI that communicate through one to one NT link and PLC controlled by CX-Programmer through the communication port USB Peripheral and RS-232. Both the input output PLC connected with USB-OPTO-RLY88 which is integrated with visual studio 2017 software using Host Link communication. The result of testing a system that compares the response time between communication port USB Peripheral with RS-232 and parallel ladder diagram with sequential ladder diagram, obtained 400 data of response time when the system was working. The result of data comparison tells that USB Peripheral port has a performance about 15% more efficient compared to the RS-232 port.
Design of Medium Power AC-DC Flyback LED Driver
Authors: Yoppy Yoppy , Hidayat Siddiq Wahyu , Nugroho Hutomo Wahyu , Wijanarko Tyas Ari Wahyu , Trivida Elvina , Wibowo Priyo 
Published: March 2022

LED lighting market share shows an ever increasing trend. This is driven by some of the LED advantages, such as higher efficiency, wide range of colors, and longer lifetime. LED is a DC device, and to power it from AC supply, like in household or street lightings, a driver is required to convert AC to DC supply. In addition, LED driver is preferred to operate in constant current mode in order to avoid LED thermal runaway. Also the driver has to have high efficiency, low THD (total harmonic distortion), and comply with electromagnetic emission limits. In this paper, a prototype of primary-side-regulated AC-DC flyback LED driver has been implemented. It has a constant output current of 0.990A 0.012A across the output voltage 15.59V – 42.80V. Measurement results show that the achieved efficiency is up to 88.55%, current harmonics comply with IEC 61000-3-2, and conducted emission levels comply with CISPR 15.
Sistem Konfigurasi Otomatis Pada Pengendalian Nirkabel Dengan Pendekatan Context-Aware Pada Rumah Pintar
Authors: Hapsari Dewinta Nila , Widodo Triyogatama Wahyu 
Published: March 2022

A house consists of several rooms with electronic devices inside of it. Each device has a remote control or a button to control it. With technologies have been increasing rapidly, we can control home appliances easily with our Android smartphone. However, thiscan make user uncomfortable to control, if all the devices appear simultaneously in one screen. Therefore,this project aims to develop an automatic configuration remote control system which adapts to the situation of the room to be controlled. Using Bluetooth technology in smartphone for transfering data. Usually to connect to a Bluetooth device,usermanually chooses one of the Bluetooth devicenames from the list that appears from the scan results. Therefore, the focus of this project is to develop a wireless control system that is capable of performing automatic configurationsthat suit the situation of the room. This system usesa localization method that utilizes the signal strength that Bluetooth receives or RSSI Bluetooth.The testing result of the system are able to perform automatic configuration where the system is automatically connected to the nearest room without the need for prior settings and adjust the control menu according to the situation of the room.
Covidiot di Masyarakat Post-Truth: Dari Anti-Otoritarianisme ke Anti-Religiusitas
Authors: Maulana Abdullah Muslich Rizal , Majid M. Kharis , Prayogo Tonny Ilham , Sansayto Tistigar 
Published: March 2022

This article aimed to elaborate on 'Covidiot' as discourse emerged within the Post-Truth Society and how it is linked to 'Anti-Authoritarianism' and 'Anti-Religiousity'. It turns out that Covidiot is considered as one of the lethal ignorance practised by the global communities, refuting parts or the whole COVID-19 protocols regulated by the government while at the same time distributing the massive number of hoaxes. In order to enquire into the discussion, Researcher utilized the 'Discourse-Analysis' method uncovering the ideological substance of Covidiot, starting from its definition and history, followed by an analysis concerning a relationship between COVID-19 and the Post-Truth era. The research continued with a proper comprehension regarding the impact of Covidiot on society and ended with a reflection regarding how Covidiot symbolized an act of 'Anti-Authoritarianism' and 'Anti-Religiousity'. This paper concluded that Covidiot in the Post-Truth society is in urgent demand of the sustained approach from government officers and religious figures to successively educate society further about the jeopardy of Covidiot.
Volunteer Tourism sebagai Pilihan Konsumsi Leisure Pemuda Kontemporer: Antara Altruisme dan Komodifikasi
Authors: Husna Khansa Nur , Isbah M. Falikul 
Published: March 2022

Volunteer tourism adalah program yang memadukan kesukarelawanan dengan turisme. Akhir-akhir ini, program semacam ini semakin popular di Indonesia, terutama menarik minat mahasiswa atau kaum muda. Beberapa studi telah mengkritik volunteer tourism sebagai aktifitas kesukarelawan yang bias kelas, mereproduksi cara pandang kolonialis, dan rendahnya kredibilitas untuk memberikan dampak dan kelestarian pada masyarakat di lokasi program. Artikel ini mengeksplorasi konteks sosial ekonomi atas perkembangan pesat volunteer tourism di Indonesia dan apa yang mendasari pemuda Indonesia memilih untuk terlibat di dalamnya. Data penelitian ini dihasilkan melalui serangkaian observasi, wawancara, studi literatur dan dokumentasi baik secara online maupun offline pada penyelengara program volunteer tourism dan juga pemuda yang ikut serta dalam volunteer tourism. Penelitian ini menunjukkan bahwa volunteer tourism di Indonesia akhir-akhir ini berkembang pesat dalam konteks sosial ekonomi yang sedang mengalami peralihan dari non-leisure consumption menuju leisure consumption. Peralihan pola konsumsi ini juga didukung dengan digitalisasi dan juga masifnya perkembangan pasar leisure baru di Indoesia. Penelitian ini juga menemukan bahwa terdapat dua nilai yang mengemuka dari volunteer tourism, yakni semangat altruisme pemuda dan nuansa komodifikasi program ini untuk keuntungan penyelenggara dan para peserta.
Kearifan Lokal dan Finansial Masyarakat Temon Sesudah Pembebasan Lahan YIA
Authors: Sedjati Chiquitha Tiara Fithiadi , Alimah Qonita Luthfia , Hartono Langit Gemintang Muhammad , Aini Salsabila Nur , Anwar Malik , Widhyharto Derajad Sulistyo 
Published: March 2022

Tujuan dari tulisan ini adalah untuk melihat bagaimana kearifan lokal memainkan peran dalam keputusan ekonomi masyarakat dan bagaimana kearifan lokal dapat diintegrasikan dalam literasi finansial melalui pendekatan kontekstual. Penelitian ini menggunakan pendekatan kualitatif deskriptif untuk mendapatkan mendalam dari sudut pandang subjek terhadap suatu fenomena. Hasil penelitian adalah (1) kearifan lokal masih berperan penting dalam keputusan ekonomi masyarakat. Nilai gemi, nastiti, dan ngati-ngati serta filosofi tuna satak bathi sanak ditemukan dalam kehidupan sehari-hari masyarakat. (2) Mengintegrasikan kearifan lokal ke dalam literasi finansial bukan berarti semata-mata mengikuti nalar masyarakat, tetapi berusaha untuk berusaha untuk menyelaraskan nilai tersebut dengan prinsip ekonomi.
LEARNERS' SPEAKING SKILLS WITH SPEECH DELAY BARRIERS IN PRIMARY SCHOOL
Authors: Sundari Fitri Siti , Mariani Arita 
Published: March 2022

This study aims to describe the speaking skills of learners who have speech delay barriers in elementary school. Qualitative research methods of case studies. Child research subjects who had speech delaybarriers. Data collection techniques in the form of oral tests, observations, interviews, and documentation. Instruments in the form of oral tests with the form of story texts and instruments in the form of interview question guides and observation guides. Data analysis includes data reduction, data presentation, and conclusions. The results showed that learners with speech delay barriers had speech skills that were still less seen from the language and non-language aspects. This is due to individual factors of quiet speech delay learners and lack of confidence, family genetic factors that make learners experience speech delay,and environmental factors that makestudents' social interactions limited. Efforts applied in improving speech delay learners' speaking skills are using concrete learning media in the form of images, applying drill methods and question and answer methods, and providing motivation.
THE USE OF ORAL PRESENTATION IN TEACHING ENGLISH TO IMPROVE STUDENTS SPEAKING SKILL
Authors: Ati Asih , Parmawati Aseptiana 
Published: March 2022

Speaking is an ability that is considered quite important in learning English. The oral presentation is one activity that can be used in learning English to improve students' speaking skills. This study aims to examine the oral presentations conducted by students with the intention that students can improve their speaking also seeks to determine what obstacles students experience when making oral presentations. The researcher applied qualitative research as a research method to collect the data the researcher used observation and field notes as instruments. The data obtained were categorized and analyzed based on several related theories. Regarding the result, it was found that basically, students have a positive response to the implementation of oral presentation. Student perceives that it helps them to evaluate their ability to speak English, increasing motivation, as well as allowing them to think critically in the use of language. Although several aspects must be developed such as student pronunciation. This finding indicates that oral presentations are useful for improving students speaking skills. Keywords: Oral Presentation, Speaking Skill
AN ERROR ANALYSIS IN WRITING DESCRIPTIVE TEXT OF THE EIGHTH GRADE STUDENT OF JUNIOR HIGH SCHOOL IN CIANJUR
Authors: Rustiani Ika , Efransyah Efransyah 
Published: March 2022

Writing is one of the skills in English. The five components of writing that must be grasped are content, organization, vocabulary, mechanics, and grammar. English grammar is different from Indonesian grammar. Therefore, many students still have difficulty in writing texts by paying attention to aspects of writing. Especially in the grammatical aspect, there are still many errors made by students. The goals of this research is to find out kinds of errors in writing descriptive texts of the eighth grade students of junior high school in cianjur. The descriptive qualitative method was employed in this research. The research instrument was acquired from the students' tests. The result showed that the errors made by students based on Dulay (1982) was four type of the grammarical errors, they were omission (14 with percentage 18%), addition (27 with percentage 35%), misformation (33 with percentage 42%), dan misordering (4 with percentage 5%). It means that misformation was the most common grammar error type committed by students. Keywords: Writing, Error Analysis, Descriptive Text
Some aspects of occupational safety at mining enterprises
Authors: Cheltybashev A. A. , Sudak S. N. , Karnachev I. P. 
Published: March 2022

Introduction.The article discusses the issues of labor protection at mining enterprises. Timely analysis and elaboration of measures to prevent them can reduce the risks of major accidents with a large number of victims.Problem Statement.It is necessary to choose the most effective measures to improve the level of industrial safety at mining enterprises based on a ready-made conceptual model of hazardous phenomena and accidents.Theoretical Part.To solve this problem, the article considers a ready-made conceptual model of hazardous phenomena and accidents that may occur in mines as a result of non-compliance with the requirements of occupational safety and industrial safety of enterprises proposed by A. I. Babenko. The analysis of accidents, risk factors, potential dangerous and harmful production factors at the mining enterprise is carried out. Based on the analysis, the most effective measures to improve the level of industrial safety at mining enterprises are proposed.Conclusions.The article considers the issues regulating labor protection at mining enterprises, as well as it identifies industrial risks and options for their elimination through the organization of measures to ensure industrial safety. Based on the results obtained, the most effective means to reduce the risks of hazardous production situations is the use of multifunctional systems to ensure occupational safety and industrial safety of mining enterprises.
Questions of safety of load-lifting cranes structural connections
Authors: Korotkiy A. A. , Pavlenko A. N. , Panfilova E. A. , Simonov D. N. 
Published: March 2022

Introduction. The article presents an analysis of accidents of lifting cranes, the causes of which are the destruction of load-bearing structural connections during the designated service life, caused by structural and technological deficiencies, with operational loads not exceeding the passport specifications.Problem Statement. The objective of the study is to analyze the causes of accidents of different types of lifting cranes and the features that connect these accidents.Theoretical Part. A review of statistical data on accidents on lifting cranes has shown that the destruction of load bearing structures occurs not only due to fatigue strength during long-term operation, but also due to insufficient bearing capacity of the hinge joints, violations of technological processes of structural elements welding in conditions not exceeding the passport specifications during the service life.Conclusions. It is established that the destruction occurs in the design elements of metal structures associated with the crane mounting at a relatively high level of operating stresses and insignificant loading cycles, which indicates errors in the design and violations of welding processes during their manufacture.
Development of a methodology for assessing professional risks in construction
Authors: Puzyrev A. M. , Kozyreva L. V. 
Published: March 2022

Introduction. Construction is one of the most injury-causing industries. It is connected with a large amount of operating production factors, that are constant or present potentially, which aggravate the high level of professional risks. The need to develop a methodology on the organization and performance of work in the field of labor protection in case of installation and construction works on building sites is proved in the article and by practical organizational activities of the construction entities.Problem Statement. The objective of this study is to develop a methodology for assessing occupational risks for construction companies.Theoretical Part. The paper analyzes dangerous and harmful production factors that affect workers of construction organizations. The emphasis is placed on practical provision of labor protection in construction. At the same time, special attention is paid to the identification of occupational risks, their assessment and management. It is proposed to take into account statistical data on injuries in construction, the content of the construction organization project, work production projects and technological maps for the work carried out in the general assessment of occupational risk in the workplace.Conclusions. The authors propose an effective methodology for assessing occupational risks, taking into account the specifics of construction production.
Mengembangkan Kemampuan Pemahaman dan Disposisi Matematis Siswa Sekolah Menengah Atas melalui model-eliciting activities
Authors: Permana Yanto 
Published: March 2022

Abstract
This paper reports the findings of an experimental prettest-posttest control group design conducted to investigate the role of model-eliciting activities approach, school cluster, and prior mathematics ability on student’s mathematical understanding and mathematical disposition. The study involved 219 tenth grade students from three senior high school of high, medium, and low cluster in Cimahi in West Java. The instrumen were a mathematical understanding test, and a mathematical disposition scale. The data were analyzed by using two paths Annova, Scheffe test, and t-test. The study found that model-eliciting activities approach, gave the best role compare to the roles of conventional teaching, school cluster, and students’ prior mathematics ability on attaining and gaining student’s mathematical understanding and disposition. Moreover, there were no interaction between learning approach and school cluster, and between learning approach and prior mathematics ability on student’s mathematical understanding and there was high association between mathematical understanding and mathematical disposition.
Key Words: model-eliciting activities approach, mathematical understanding, mathematical disposition.

Abstrak
Makalah ini melaporkan hasil temuan suatu eksperimen dengan disain pretes-posttes kelomok kontrol yang bertujuan menemukan peranan pendekatan model-eliciting activities, kluster sekolah, dan kemampuan awal matematika siswa terhadap kemampuan pemahaman dan diposisi matematik siswa. Subyek penelitian ini adalah sebanyak 219 siswa kelas 10 dari tiga SMA masing-masing kluster tinggi, sedang, dan rendah di Cimahi Jawa Barat. Instrumen penelitian ini adalah sepereangkat tes pemahaman dan seperangkat skala disposisi matematik. Data dianalisis menggunakan Anova dua jalur, uji- Scheffe, dan uji t. Penelitian menemukan bahwa pendekatan model-eliciting activities memberikan peran terbesar di antara pembelajarn, kluster sekolah, dan kemampuan awal matematika siswa terhadap pencapaian dan peningkatan kemampuan pemahaman dan disposisi matematik siswa. Siswa pada kelas model-eliciting activities mencapai kemampuan pemahaman dan disposisi matematik yang tergolong baik dan lebih baik dari kemampuan pemahaman dan disposisi matematik siswa pada kelas konvensional yang tergolong sedang. Studi juga menemukan tidak terdapat interaksi antara pembelajaran dan kluster sekolah dan antara pembelajaran dan level KAM terhadap pemahaman matematik siswa, dan terdapat asosiasi antara kemampuan awal matematika dan kemampuan pemahaman matematik.
Kata kunci: model-eliciting activities approach, pemahaman matematik, disposisi matematik
Menurunkan Kecemasan Dan Prilaku Menolak Bantuan Pada Siswa Dalam Pembelajaran Matematika Suatu Pendekatan Cooperatif Learning
Authors: Lanani Karman 
Published: March 2022

Kecemasan merupakan keadaan emosi yang tidak menyenangkan, dicirikan dengan kegelisahan, ketidakenakan, kekhawatiran, ketakutan yang tidak mendasar tentang terjadi hal-hal yang tidak diinginkan ketika menghadapi pembelajaran matematika. Terdapat empat faktor penyebab kecemasan siswa terhadap matematika, yaitu: (1) sebagai cabang ilmu yang spesifik, obyeknya fakta, konsep, operasi dan prinsip yang berperan dalam membentuk proses berpikir matematis dibutuhkan kompetensi untuk mempelajarinya, (2) persepsi dimasyarakat bahwa matematika itu sulit telah mengkoptasi pikiran sebagian anak, (3). Pembelajaran matematika yang “kering”, monoton dan guru yang cenderung represif, dan (4) tuntutan mendapat nilai baik dari orang tua dan guru. Pembelajaran kooperatif sebagai pendekatan yang dirancang untuk memberi dorongan kepada siswa agar bekerjasama selama proses pembelajaran, saling menghargai pendapat, membetulkan kesalahan dan memecahkan solusi secara bersama. Kolaborasi sedemikian akan menambah pengetahuan dan keterampilan siswa memecahkan masalah dalam matematika.
Peningkatan Kemampuan Pemecahan Masalah Matematik Berdasarkan Kecerdasan Emosional Siswa Melalui Pembelajaran Berbasis Masalah
Authors: Fuadi Diki Najib 
Published: March 2022

Tujuan penelitian adalah untuk mengetahui peningkatan kemampuan pemecahan masalah matematik dan dampaknya pada kecerdasan emosional siswa dalam pembelajaran matematika melalui metode pembelajaran masalah. Selain itu tujuan penelitian ini adalah untuk mengetahi aktifitas siswa dalam pembelajaran matematika deng mengguanakan metode pembelajaran berbasis masalah
Penelitian ini termasuk penelitian quasi eksperimen dan penelitian tindakan kelas (PTK) dengan desain kelompok kontrol tidak ekuivalen (the nonequivalent control design). Populasi dan sampel dalam penelitian ini adalah siswa MTs Negeri Mandalawangi, sampel sebanyak dua kelas yaitu VIII A sebagai kelas eksperimen sebanyak 30 siswa dan kelas VIII B sebagai kelas kontrol sebanyak 30 siswa. Insnstrumen tes berupa soal-soal yang digunakan untuk mengukur kemampuan pemeecahan masalah matematik siswa
Hasil penelitian menunjukan bahwa; 1) Pembelajaran berbasis masalah dapat meningkatkan kemampuan pemecahan masalah matematik; 2) Peningkatan kemampuan pemecahan masalah matematik siswa yang kecerdasan emosional tinggi dan rendah menggunakan pembelajaran berbasis masalah lebih baik dibandingkan dengan siswa yang menggunakan pembelajaran konvensional; 3) Terdapat korelasi antara kemampuan pemecahan masalah matematika dan kecerdasan emosinal siswa; 4) Aktivitas siswa meningkat dalam pembelajaran matematika dengan menggunakan pembelajaran berbasis masalah
Implementasi Model Problem Based Learning Untuk Meningkatkan Kemampuan Berpikir Kritis Dan Berpikir Kreatif Matematik Siswa Sma
Authors: Kiswanto Wawan 
Published: March 2022

Tujuan penelitian ini adalah untuk mengetahui peningkatan kemampuan berpikir kritis dan kreatif matematik siswa yang pembelajarannya menggunakan problem based learning lebih baik dari pada peningkatan kemampuan berpikir kritis dan kreatif matematik siswa yang pembelajarannya menggunakan konvensional, dilihat dari kemampuan awal matematika (tinggi, sedang, rendah). Kemudian penelitian ini melihat sikap siswa terhadap pembelajaran matematika menggunakan model pembelajaran Problem Based Learning. Desain penelitian ini adalah Pretest Posttest Control Group Design dengan adanya dua perlakuan yang berbeda, dan pengambilan sampel yang dilakukan secara acak kelas. Populasi pada penelitian ini adalah seluruh siswa kelas XI MIA SMA Negeri 3 Ciamis, sampel pertama kelas XI MIA 4 sebagai kelas eksperimen dengan jumlah murid 30 dan kelas XI MIA1 dengan jumlah murid 30. Analisis data menggunakan uji Anava dua jalur dan uji korelasi product moment. Hasil penelitian menunjukkan bahwa peningkatan kemampuan berpikir kritis dan kreatif matematik siswa yang pembelajarannya menggunakan problem based learning lebih baik dari pada peningkatan kemampuan berpikir kritis matematik siswa yang pembelajarannya menggunakan konvensional, dilihat dari kemampuan awal matematika (tinggi, sedang, rendah), terdapat hubungan antara kemampuan berpikir kritis dengan kemampuan berpikir kreatif. Terakhir sikap siswa positif terhadap pembelajaran matematika menggunakan model pembelajaran Problem Based Learning