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Indah Widiastuti
Jurusan Teknologi Hasil Perikanan Fakultas Pertanian Universitas Sriwijaya, Indralaya, Ogan Ilir 30662 Sumatera Selatan Telp./Fax. (0711) 580934
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Analisis Ketidakjujuran Akademik Pada Mahasiswa Calon Guru Kejuruan Bidang Teknik Mesin Setyawan, Hendra; Akhyar, Muhammad; Widiastuti, Indah
Nozel : Jurnal Pendididikan Teknik Mesin Vol 3, No 3 (2021)
Publisher : Fakultas Keguruan dan Ilmu Pendidikan Universitas Sebelas Maret Surakarta

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.20961/nozel.v3i3.63343

Abstract

Academic dishonesty is considered as one of the disgraceful behaviors that damage the character of students. Considering the important role of teachers in preventing fraud in the learning process, teacher candidate education programs are expected to have a conducive environment to uphold academic integrity. mechanical engineering vocational. This research is a quantitative descriptive study conducted in one of the educational staff educators at a public university in Central Java. Data collection techniques using a survey instrument with a total of 117 students as respondents. The validity and reliability of the data using the help of a statistical data processing software. The results showed that the indications of academic dishonesty of vocational engineering students were 92.3% had been involved in collaborating when doing assignments, 91.5% had been involved in collaborating during exams, 85.5% had been involved in copying and pasting assignments, as much as 98.3%. Never been involved in not reporting cheating in class, opening cell phones for browsing during exams, and fake attendance. The causes of academic dishonesty of vocational engineering students are not ready to face exams, exam questions and heavy assignments, lack of firmness of supervisors, the majority of students do it, the absence of strict rules and punishments. The solution to overcome the academic dishonesty of vocational engineering students is a warning when violating, confirming the supervisor, making the majority of students stop cheating, confirming rules and punishments, making the classroom situation impossible for cheating, ensuring student readiness for exams, prohibiting carrying cell phones when exam and spaced out seats during the exam. The results of this study are expected to be used for efforts to handle and prevent academic dishonesty in teacher education in general.
PENGAPLIKASIAN TURBIN AIR CROSSFLOW PADA ALIRAN SUNGAI DI KIPAS RIVER TUBING 17, DESA DALEMAN, KECAMATAN TULUNG, KABUPATEN KLATEN, JAWA TENGAH Widiastuti, Indah; Wijayanto, Danar Susilo; Saputra, Taufik Wisnu; Ramadhan, Rizki Ikhsan; Mahendra, Agvendo Heksa; Putra, Rifai Aditya Pratama; Nugraha, Satriya; Putri, Irba' Rizka; Widyawati, Linda; Fadilah, Siti
Nozel : Jurnal Pendididikan Teknik Mesin Vol 6, No 2 (2024)
Publisher : Fakultas Keguruan dan Ilmu Pendidikan Universitas Sebelas Maret Surakarta

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.20961/nozel.v6i1.88382

Abstract

This Community service program aims to apply a crossflow water turbine in Daleman Village, Tulung Subdistrict, Klaten Regency. This program, conducted by students from the Mechanical Engineering Education Departments of Sebelas Maret University, primarily seeks to harness the renewable energy potential in the area and raise community awareness. The activities included field surveys, system design, turbine installation, and training for villagers on operation and maintenance. The results show that the program increased the community's awareness and understanding of renewable energy and strengthened their capacity to manage and maintain the implemented technology. The collaboration between students, faculty, and the community throughout the program also fostered positive and sustainable relationships. Overall, this community service initiative significantly contributed to achieving energy self-sufficiency and improving the quality of life for the residents of Daleman Village.
EVALUASI PEMBELAJARAN PRAKTIK PENGELASANAN DI SMK MUHAMMADIYAH 1 SURAKARTA Wardhana, Raksi Pandu; Syadidan, Alfian Qoulan; Wahyudi, Fatah Ari Sri; W, Nadia Eka; Insiroh, Nisa; Widiastuti, Indah; Sihwadi, Sihwadi
Nozel : Jurnal Pendididikan Teknik Mesin Vol 6, No 1 (2024)
Publisher : Fakultas Keguruan dan Ilmu Pendidikan Universitas Sebelas Maret Surakarta

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.20961/nozel.v6i1.83162

Abstract

Penelitian ini bertujuan memberikan analisis dan informasi problematika dan alternatif pemecahan masalah pembelajaran pengelasan pada Kurikulum Merdeka. Metode penelitian yang digunakan dalam penelitian ini menggunakan metode observasi dan studi literatur dengan menggabungkan pendapat penelitian terdahulu.  Metode observasi dengan melakukan pengamatan langsung pada saat pelaksanaan Praktik Pengenalan Lapangan(PPL) dan melakukan pengamatan secara langsung sesuai dengan kondisi yang ada pada lapangan di SMK Muhamadiyah 1 Surakarta dengan siswa kelas X.  Dari data yang diperoleh penerapan pembelajaran pengelasan pada Kurikulum Merdeka ditemui permasalahan yang saling berkaitan yaitu mengenai pengelolaan kelas, materi pembelajaran dan interaksi antara guru dengan murid. Untuk itu penulis mengambil ketiga permasalahan tersebut sebagai bahan observasi yang dimana nantinya di luruskan sesuai dengan tujuan dari Kurikulum Merdeka dimana pembelajaran yang diharapkan adalah student center. Hasil dari observasi ini dapat disimpulkan bahwa dengan mengkaji ulang mengenai pengelolaan kelas, penyusnan materi ajar sesuai perangkat pembelajaran, melakukan hubungan interaksi antara guru dengan siswa dengan baik, peningkatan dalam inovasi dan kekreatifan guru dalam merancang model dan media pembelajaran yang lebih interaktif bagi siswa serta menggunakan metode pembelajaran yang tepat guna  maka tujuan dari pembelajaran pengelasan sesuai dengan Kurikulum Merdeka dapat tercapai dengan baik
ANALISIS KETIDAKJUJURAN AKADEMIK JENJANG PENDIDIKAN TINGGI DI TIMOR-LESTE Pereira, Sandra H.M.S; Widiastuti, Indah; Rohman, Ngatou
Nozel : Jurnal Pendididikan Teknik Mesin Vol 5, No 2 (2023)
Publisher : Fakultas Keguruan dan Ilmu Pendidikan Universitas Sebelas Maret Surakarta

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.20961/nozel.v5i2.73007

Abstract

The phenomenon of dishonesty occurs a lot in the academic field, one of which is plagiarism and cheating which are often encountered in universities in the process of learning and research. Academic dishonesty at the tertiary level in Timor-Leste is considered to affect the integrity of graduates when entering the workforce. The purpose of this study is to analyze indicators of academic dishonesty, causes of academic dishonesty, and appropriate solutions to overcome academic dishonesty of university students in Timor-Leste class of 2020-2022.           This research is a positivistic quantitative, descriptive research. The research was conducted using a Google form. The subjects of the study were 59 university students in the Timor-Leste class of 2020-2022. The data collection technique is by using questionnaire methods and questionnaire instruments. Validity and reliability of data using the help of data processing software. Data analysis uses descriptive statistical analysis technique. The results showed that the indicators of academic dishonesty of Higher Education Students in the Timor-Leste class of 2020-2022 were Working together with friends during the exam, Allowed other students to see answers during quizzes or exams, Asking exam questions to other students who had done exams before, Seeing cases of cheating in class and not reporting it to the supervisor. The cause of academic dishonesty is that the questions given are very difficult and students consider working together during exams a form of solidarity. The solution to overcome academic dishonesty is that there is a reprimand when committing academic cheating, supervisors are firm in addressing academic dishonesty, and there are severe penalties when caught cheating. 
Analisis Persepsi Mahasiswa Terhadap Ketidakjujuran Akademik : Studi Kasus di Fakultas Teknik UNS Wicaksono, Andrye Sukma; Widiastuti, Indah; Pambudi, Nugroho Agung
Nozel : Jurnal Pendididikan Teknik Mesin Vol 5, No 4 (2023)
Publisher : Fakultas Keguruan dan Ilmu Pendidikan Universitas Sebelas Maret Surakarta

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.20961/nozel.v5i4.78161

Abstract

Academic dishonesty is a deliberate violation of academic rules for personal gain. Academic dishonesty can reduce the reputation of students and universities, as well as dishonest behavior in the world of work, so research is needed regarding engineering students' perceptions of academic dishonesty. This study aims to determine perceptions, experiences, reasons why engineering students commit academic dishonesty, and to determine the influence between perceptions and experiences of witnessing acts of academic dishonesty. The population used in this study were S1 students from the UNS Faculty of Engineering and the samples taken were 97 respondents. The results of the study show that engineering students' perceptions of academic dishonesty are that students know that academic dishonesty is important, can have an impact on damaging moral character, including actions that violate social and religious norms, so that it becomes the student's responsibility, and must be responsible for caring for the integrity of other students. . The experience of engineering students with academic dishonesty is that students have committed dishonesty but support existing policies, often use unauthorized material during exams, work on papers or articles without including references, and ask for help from seniors who have taken exams but rarely submit assignments properly. pay someone else to complete it and rarely miss out on group assignments. Academic dishonesty policies already exist but sanctions and supervision need to be tightened to reduce academic dishonesty. The reason engineering students commit academic dishonesty is because they don't get sanctioned or punished, the attitude of the lecturer, many friends who do this, will make grades better, difficulty working on questions, easy internet access and fear of failure and lack of study time. Most of the respondents committed academic dishonesty due to internal factors. There is a positive and significant influence between perception and experience of witnessing techniques on the experience of committing academic dishonesty. So that when the perception and experience of witnessing gets higher, they will not commit academic dishonesty.
ANALISIS PERSEPSI SISWA LAKI-LAKI DAN PEREMPUAN KELAS X TERHADAP BIDANG STEM SETELAH MENGIKUTI PEMBELAJARAN STEM BERBASIS ENGINEERING DESIGN PROCESS (EDP) DI SEKOLAH MASA DEPAN YOGYAKARTA Kurniasari, Putri; Widiastuti, Indah; Sutrisno, Valiant Lukad Perdana
Nozel : Jurnal Pendididikan Teknik Mesin Vol 4, No 3 (2022)
Publisher : Fakultas Keguruan dan Ilmu Pendidikan Universitas Sebelas Maret Surakarta

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.20961/nozel.v4i3.72253

Abstract

This study aims to 1) Knowing the perceptions of prospective students of class X schools in STEM through EDP 2) Knowing gender differences in perceptions of prospective students of class X in the field of STEM through EDP. The research design used in this research is experimental research. Data collection refers to the integrated STEM learning module “Mousetrap Car” which is divided into 3 sessions, namely let's build car, mousetrap car, and mousetrap car race. The data and data sources used in this study are qualitative and quantitative data. Qualitative data was obtained from observation and documentation, while quantitative data was obtained from interviews and questionnaires. The sampling technique used is a saturated sampling technique, where all members are sampled. The participants in this study were 28 students of class X sains SMA Masa Depan Yogyakarta. The results of this study can be opened 1) Students' perceptions of EDP-based STEM learning are positive, students show good attitudes and characteristics in learning, students' interests and motivations are positive, but do not really affect students' self-efficacy to choose and study STEM 2). Gender differences in the perceptions of the tenth graders of Future High School in this study did not show a significant difference. Male and female students of class X sains SMA Masa Depan Yogyakarta.
ANALISIS PERFORMANSI SOLAR TRACKER SISTEM BERBASIS LOGIKA FUZZY SEBAGAI OPTIMALISASI DAYA YANG DIHASILKAN PANEL SURYA Ulum, Muhammad Bahrul; Widiastuti, Indah; Wijayanto, Danar Susilo; Bakar, Mohd Shafie
Nozel : Jurnal Pendididikan Teknik Mesin Vol 7, No 2 (2025)
Publisher : Fakultas Keguruan dan Ilmu Pendidikan Universitas Sebelas Maret Surakarta

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.20961/nozel.v7i2.82441

Abstract

Energi surya, sebagai salah satu sumber energi alternatif utama yang jumlahnya melimpah dan dampak lingkungan yang minimal, memegang peranan penting dalam penyediaan energi listrik di dunia. Panel surya akan menghasilkan daya listrik yang maksimal bila intensitas radiasi matahari yang diterima juga maksimal. Untuk itu panel surya harus dikontrol agar posisinya selalu tegak lurus terhadap Matahari. Dengan melihat permasalahan tersebut maka diperlukan solar tracking agar posisi panel surya bergerak tegak lurus dengan posisi Matahari. Penelitian ini bertujuan untuk mengetahui perbandingan daya yang dihasilkan panel surya menggunakan sistem solar tracking dan sistem tetap. Penelitian ini menggunakan metode eksperimen berupa penelitian langsung pada panel surya. Pada penelitian ini solar tracking menggunakan mikrokontroler berbasis logika fuzzy yang memanfaatkan sensor cahaya untuk memerintahkan motor listrik bergerak mengikuti posisi Matahari secara otomatis. Sedangkan pada sistem tetap, posisi panel surya berada pada sudut paling optimal yaitu 24°. Penelitian dilakukan dengan mengukur arus listrik dan tegangan listrik yang dihasilkan kedua panel surya. Dari hasil pengukuran tersebut diperoleh besaran daya listrik yang dihasilkan oleh panel surya. Hasil penelitian menunjukkan bahwa solar tracker berbasis logika fuzzy menghasilkan rata-rata daya keluaran harian yang lebih baik dibandingkan dengan sistem tetap yaitu 7,86 W. Penggunaan logika fuzzy membantu mikrokontroler dalam memberikan inferensi terbaik mengenai arah putaran matahari. panel agar selalu tegak lurus dengan arah datangnya radiasi matahari.
PENGARUH KADAR INHIBITOR EKSTRAK KULIT BUAH RAMBUTAN DAN KONSENTRASI LARUTAN HCL TERHADAP LAJU KOROSI BAJA ST 37 bukhori, muhammad salafudin; Ranto, Ranto; Widiastuti, Indah
Nozel : Jurnal Pendididikan Teknik Mesin Vol 1, No 4 (2019)
Publisher : Fakultas Keguruan dan Ilmu Pendidikan Universitas Sebelas Maret Surakarta

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.20961/nozel.v2i4.42469

Abstract

Industrial manufacture of steel with pickling process method uses HCl solution as a cleaner. Besides as a cleaner, HCl solution can also causes a corrosion on steel product from pickling process. That corrosion can be controlled by corrosion inhibitor from organic material. Organic material consist of tannin compound that can react by forming a complex compound on the steel surface and protect it from corrosion attack. Organic material in this research is rambutan peel extract used as inhibitor corrosion with the values of 0.5%, 1.0%, 1.5%, and 2.0% in HCl solution with the values of 0.1 N, 0.5 N, and 1.0 N. St 37 steel is used as test sample in this research. The aims of this research are to investigate the effect of amount of rambutan peel extract and concentration of HCl solution toward the corrosion rate of St 37 steel. Weight loss method is used to calculate the corrosion rate and Two Way Anova is used as data analysis technique. The result of this research shows that there is an effect of the amount of rambutan peel extract as an inhibitor and concentration of HCl solution toward the corrosion rate of St 37 steel. Corrosion rate has the lowest value in the variation of 2.0% inhibitor and 0.1 N HCl with the highest efficiency value as 63.13%.
PENGEMBANGAN MEDIA PEMBELAJARAN E-PUBLICATION MODUL TEKNIK SEPEDA MOTOR MAHASISWA PENDIDIKAN TEKNIK MESIN FKIP UNIVERSITAS SEBELAS MARET Sasongko, Wisnu Dimas; Widiastuti, Indah; Harjanto, Budi
Nozel : Jurnal Pendididikan Teknik Mesin Vol 1, No 1 (2019)
Publisher : Fakultas Keguruan dan Ilmu Pendidikan Universitas Sebelas Maret Surakarta

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.20961/nozel.v1i2.32996

Abstract

Mobile learning has become a great tool for delivering educational resources in which learners can not only access the module anytime and anywhere, but also can actively interact with the learning material. This research aims to design and develop learning material of an automotive engineering course based on mobile device for mechanical engineering education students. The development e-publication module of motorcycle mechanic course employed the ADDIE instructional design model encompassing five steps: analysis, design, development, implementation, and evaluation. The student’s learning style was identified to characterize mobile module target. It was found that majority of the students as user have auditory and kinesthetic, then the module will be designed with the design in accordance with auditory and kinesthetic learning style, therefore the module will be mainly designed on audio-based format. The learning module developed using e-publication software consisting of structured documents combined with audio and video files. Some experts were asked to evaluate the implementation feasibility of the module. The average evaluation score was 85.4%, indicating high acceptance of implementing the learning module. It implies that e-publication module delivery has the potential to gain wider acceptance in engineering education complementing the in-class and practical learning.
Analisis Natural Weathering pada Komposit Recycled Polypropylene dan Serat Bambu Ramadhani, Arianti; Widiastuti, Indah
Nozel : Jurnal Pendididikan Teknik Mesin Vol 3, No 3 (2021)
Publisher : Fakultas Keguruan dan Ilmu Pendidikan Universitas Sebelas Maret Surakarta

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.20961/nozel.v3i3.62967

Abstract

Abstract. The main objective of this study was to analyze the effect of Natural Weathering on the tensile strength and microstructure of recycled polypropylene (rPP) composites with bamboo fiber reinforcement. The rPP-bamboo composite specimens were made using extrusion molding and injection molding machines. The weight fraction used in making the specimens was 10% bamboo fiber and 90% rPP. The rPP-bamboo samples were tested with 3 variations of exposure time, 0 months (without exposure), 1 month and 2 months according to ASTM D1435-05 standard. From the 3 variations of exposure, a tensile test was carried out with the ASTM D638 type V standard to evaluate the value of tensile strength, modulus of elasticity and elongation. Then SEM (Scanning Microscopy Electrone) was performed to see the microstructure of the composite. The results showed that the tensile strength at exposure time of 0 months, 1 month and 2 months was 18.1 MPa with an elongation of 5%, 19.5 MPa with an elongation of 6.4% and 19.3 MPa with an elongation of 6.6%. Young's modulus values showed a decrease with increasing exposure time, ranging from 222 MPa in the sample without exposure to 141 MPa at an exposure time of 2 months. With SEM it is known that, the microstructure of the composite at the beginning of exposure shows a strong bond between the fiber-matrix even though there are some voids in the specimen. At 2 months of exposure, it was seen that there was a gap between the matrix and bamboo due to the hydrophilic nature of bamboo fiber.
Co-Authors Ade Pangestu Agus Supriadi Agustin, Hanifah Hani Amri, Saehful Andini, Jesicha ANWAR IBRAHIM, ANWAR Aris Budianto, Aris Armina Fariani Ayu Fiska Nurryna Bakar, Mohd. Shafie bin BIDARTI, AGUSTINA Budi Harjanto Budiyanto, Khansa Qonitatillah bukhori, muhammad salafudin Cahyono, Budi Tri Cucuk Wawan Budiyanto Danar Susilo Wijayanto Dewanto Harjunowibowo Dewi Larasati, Dewi Dian Nugroho, Gama Didik Santoso Ferdinand Hukama Taqwa Filli Pratama Gatot Priyanto Hendra Setyawan, Hendra Herman Saputro Herpandi . Herpndi Hidayati, Khusnul Ida Nugroho Saputro Indasari, Dwi Insiroh, Nisa Iwan Sudradjat, Iwan Izzah, Raihanah Nurul Johan, Bangun Panduko Karnilawati Karnilawati Kasman, Tamiya Miftau Saada Kholis, Fuaz Nur Komarudin Komarudin Kurniasari, Putri Madina, Rizki Fitria Mahendra, Agvendo Heksa Mochamad Syaifudin, Mochamad Mohd Shafie Bakar Muhammad Akhyar Muhammad Bahrul Ulum Muliajaya, Fitra Nabila, Urfan Ngatou Rohman Nugroho , Gama Dian Nugroho, Gama Dian Paimin, Aini Nazzura Pambudi, Nugroho Agung Perbawanti P., Nooraini Dewayani Pereira, Sandra H.M.S Prabarani, Irene Roselynda Prihatin, Erika Ayunda Puspa Ayu Pitayati Puspanda Hatta Putra, Rifai Aditya Pratama Putri, Irba' Rizka Rachmawati, Siti Hanggita Ramadhan, Rizki Ikhsan Ramadhani, Arianti Ranto Ranto Ridhowati, Sherly Rinto Rinto Rodiana Nopianti Rosihan Ari Yuana, Rosihan Ari Sabri Sudirman Saputra, Taufik Wisnu Sarjoko Sarjoko, Sarjoko Sasongko, Wisnu Dimas Satriya Nugraha Shanti Dwita Lestari Shelia, Shelia Sihwadi, Sihwadi siti fadilah Sriati Sriati, Sriati Suharno Suharno Sumpeno Putro Suparyati, Atik SUSI LESTARI Syadidan, Alfian Qoulan Towip, Towip Ulinnuha, Dwi Kusuma Valiant Lukad Perdana Sutrisno, Valiant Lukad Perdana W, Nadia Eka Wahyudi, Fatah Ari Sri Wahyudi, Muhamad Nur Azmi Wardhana, Raksi Pandu Wibowo, Yusuf Bagas Wicaksono, Andrye Sukma Wicaksono, Muchlis Taufiq Anjar Widyasmoro, Irvan Bayu Widyawati, Linda Wonorahardjo, Surjamanto Yunindyawati Yunindyawati Yuyun Estriyanto Zulfahmi, Muhammad Tsany Zulkarnain, Candra