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All Journal Matematika: Jurnal Teori dan Terapan ALGORITMA : Journal of Mathematics Education
Andi Pujo Rahadi
Universitas Advent Indonesia
Education Mathematics

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PEMBELAJARAN DALAM JARINGAN DENGAN PENDEKATAN SAINTIFIK BERBANTUAN PLATFORM EDMODO UNTUK MENINGKATKAN KEMAMPUAN PEMECAHAN MASALAH MATEMATIS SISWA SMA Nindy Ivalyn; Andi Pujo Rahadi
ALGORITMA: Journal of Mathematics Education Vol 2, No 2 (2020): ALGORITMA Journal of Mathematics Education
Publisher : Faculty of Educational sciences, UIN Syarif Hidayatullah Jakarta

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.15408/ajme.v2i2.18217

Abstract

The mathematics problem-solving ability of students in Indonesia is not high yet. The students found it difficult to do the mathematics problems that lead to solving a problem. This study aims to improve students' mathematical problem-solving skills using the Edmodo platform. The study used a quasi-experimental design to find out whether the enhancement of students' mathematical problem-solving abilities that obtain using the Edmodo Platform with a scientific approach is significantly higher than the students who obtain scientific approach learning models. The sample of the research was students in two classes X grade student Negeri 1 Parongpong, West Bandung 2019/2020. The first-class students obtained an using the Edmodo Platform with a scientific approach, while the students in the second class obtained a scientific approach learning with a scientific approach. The results showed that the enhancement of the students' mathematical problem-solving abilities in both classes was included in the moderate category. Based on the statistical tests, the students in the first class have a significant enhancement in mathematical problem-solving abilities compared with the students in the second class. Furthermore, student responses to use the Edmodo Platform with a scientific approach are categorized as "very like" and student responses to a scientific approach are categorized as "very like".
Kendali Mode Luncur Pada Sistem Suspensi Aktif Dengan Simulasi MATLAB Andi Pujo Rahadi
Matematika Vol 19, No 1 (2020): Jurnal Matematika
Publisher : Universitas Islam Bandung

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.29313/jmtm.v19i1.6312

Abstract

Sistem suspensi mobil yang terdiri hanya dari pegas dan redaman merupakan sistem pasif sebab tidak menyediakan energi aktif untuk melawan gangguan profil jalan. Untuk mendapatkan kenyamanan dan keamanan berkendara yang lebih baik, ditanamkan sistem suspensi aktif pada mobil. Sistem suspensi aktif dilengkapi sensor dan komponen aktuator gaya yang menyediakan energi aktif dengan skema kendali tertentu. Penelitian ini bertujuan membangun sistem suspensi aktif menggunakan kendali mode luncur (sliding mode control / SMC). Simulasi sistem kendali dilakukan menggunakan MATLAB 2014, membandingkan performa sistem pasif, sistem aktif Linear Kuadratik (LQR), dengan sistem aktif Kendali Mode Luncur (SMC). Berdasarkan hasil simulasi, sistem aktif SMC mencapai kondisi stabil lebih cepat dan menggunakan gaya aktif lebih rendah. Dengan demikian, sistem SMC memiliki performa terbaik dibandingkan dengan dua sistem yang lain. Penelitian ini dapat dilanjutkan dengan membangun prototype suspensi dengan sistem kendali SMC.Kata Kunci: Sistem Suspensi Aktif, Kendali Mode Luncur, Simulasi MATLAB.
Co-Authors Nindy Ivalyn