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All Journal ComEngApp : Computer Engineering and Applications Journal Sinergi JETT (Jurnal Elektro dan Telekomunikasi Terapan) Journal of Information Technology and Computer Engineering Journal of Electronics, Electromedical Engineering, and Medical Informatics Electrices : Jurnal Otomasi Kelistrikan dan Energi Terbarukan Journal of Engineering and Applied Technology International Journal of Economy, Education and Entrepreneurship (IJE3) Manabia: Journal of Constitutional Law Promotion and Prevention in Mental Health
Sulis Setiowati
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Automotive Engineering Civil Engineering, Building, Construction & Architecture Computer Science & IT Control & Systems Engineering Economics, Econometrics & Finance Education Electrical & Electronics Engineering Energy Engineering Industrial & Manufacturing Engineering Law, Crime, Criminology & Criminal Justice Mechanical Engineering Nursing Social Sciences Other

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DEVELOPMENT OF CONTEXTUAL E-MODULES IN MATHEMATICS LEARNING IN STATISTICS MATERIALS Sugihandardji, Chumaedi; Setiowati, Sulis; Wardayani, Ari; Gunawan, Gunawan; Kusuma, Jaka Wijaya; Widiyastuti, Erni
International Journal of Economy, Education and Entrepreneurship (IJE3) Vol. 5 No. 3 (2025): International Journal of Economy, Education and Entrepreneurship
Publisher : Yayasan Education and Social Center

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.53067/ije3.v5i3.420

Abstract

Encouraging the use of the independent curriculum emphasizes flexibility and student-centered learning. The development of a contextual e-module provides a solution to facilitate relevant and interactive mathematics learning, particularly in statistics for eighth-grade students. This e-module is designed based on students' daily experiences, making the material easier to understand and promoting independent learning. The research method used is Research and Development (RD) with the 4D model (Define, Design, Develop, Disseminate). Validation results from the subject matter and media experts indicate that the contextual e-module in mathematics learning on statistics for eighth grade is valid. Practicality tests through teacher and student response questionnaires show highly practical results, with average scores of 3.6 and 3.5 on a maximum practicality scale of 4.0. In conclusion, the contextual e-module in mathematics learning on statistics for eighth grade has proven valid and practical for use in mathematics education and can serve as an effective and relevant learning resource tailored to students' current needs and conditions.
PID Control System for Shaking Table and Bearing Capacity Measurement on Soil Liquefaction Simulator Setiowati, Sulis; Sanubari, Agung; Nuraulia Rahmah, Firly; Salimah, A'isyah; Yelvi
Journal of Engineering and Applied Technology Vol. 6 No. 02 (2025): (August)
Publisher : Faculty of Engineering, Universitas Negeri Yogyakarta

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.21831/jeatech.v6i02.84749

Abstract

Liquefaction occurs when soil that was previously stable and solid suddenly loses its strength and stiffness within a short period. This research develops a model for testing soil liquefaction using a 1-g shaking table. The system, based on LabVIEW, is designed to measure and analyze the performance of foundations during soil liquefaction tests. It enables the evaluation of soil characteristics before, during, and after an earthquake that could induce liquefaction, while also considering foundation reinforcement. In this study, the Ziegler-Nichols PID tuning method was employed to improve control accuracy and stability during seismic vibration simulations and to measure soil bearing capacity. The results indicate that the system achieved a rise time of 8 seconds, a delay time of 13 seconds, an overshoot of 0.06%, a settling time of 13 seconds, and a steady-state error of 0.02%. Compared to the Trial Error method, the Ziegler-Nichols method achieves faster rise time, delay time, and settling time but results in higher overshoot and steady-state error. The sensor data provides detailed information about the helical pile's ability to support vertical loads, with an average bearing capacity of 3.99 kPa.
Co-Authors Abdul Karim, Mahmud Andriansyah, Noval Aprilianto , Runo Anang Ari Wardayani, Ari Arnelis Djalil Aulia Sakinah, Dea Chumaedi Sugihandardji Erni Widiyastuti Gunawan Gunawan Hilmy , Abdurrahman Igi Ardiyanto Iwa Sudradjat Jaka Wijaya Kusuma Jusoh, Mohd Taufik M. Coesamin Mukaromah, Indah Novita Wardhani, Rika Nugroho Nuradryanto, Dimas Nuraulia Rahmah, Firly Pratama, Bagas Adha Purwanti, Indah Luthfiyyah Riandini, Riandini Rika Novita Wardhani Rinto Priambodo Salimah, A'isyah Sanubari, Agung Sari, Via Arsita Teguh Bharata Adji Trie Maya Kadarina Umardani, Achmad Widiatie, Wiwik Yelvi Yelvi Yelvi Zahrah, Dian Fajria Zendi Iklima