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All Journal Mechatronics, Electrical Power, and Vehicular Technology Jurnalistrendi: Jurnal Linguistik, Sastra dan Pendidikan
Hidayat, Egi
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Education Electrical & Electronics Engineering Languange, Linguistic, Communication & Media

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Designing optimal speed control with observer using integrated battery-electric vehicle (IBEV) model for energy efficiency Ristiana, Rina; Rohman, Arief Syaichu; Rijanto, Estiko; Purwadi, Agus; Hidayat, Egi; Machbub, Carmadi
Journal of Mechatronics, Electrical Power and Vehicular Technology Vol 9, No 2 (2018)
Publisher : Research Centre for Electrical Power and Mechatronics, Indonesian Istitutes of Sciences

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (3981.796 KB) | DOI: 10.14203/j.mev.2018.v9.89-100

Abstract

This paper develops an optimal speed control using a linear quadratic integral (LQI) control standard with/without an observer in the system based on an integrated battery-electric vehicle (IBEV) model. The IBEV model includes the dynamics of the electric motor, longitudinal vehicle, inverter, and battery. The IBEV model has one state variable of indirectly measured and unobservable, but the system is detectable. The objectives of this study were: (a) to create a speed control that gets the exact solution for a system with one indirect measurement and unobservable state variable; and (b) to create a speed control that has the potential to make a more efficient energy system. A full state feedback LQI controller without an observer is used as a benchmark. Two output feedback LQI controllers are designed; including one controller uses an order-4 observer and the other uses an order-5 observer. The order-4 observer does not include the battery state of charge as an observer state whereas the order-5 observer is designed by making all the state variable as the observer state and using the battery state of charge as an additional system output. An electric passenger minibus for public transport with 1500 kg weight was used as the vehicle model. Simulations were performed when the vehicle moves in a flat surface with the increased speed from stationary to 60 km/h and moves according to standard NEDC driving profile. The simulation results showed that both the output feedback LQI controllers provided similar speed performance as compared to the full state feedback LQI controller. However, the output feedback LQI controller with the order-5 observer consumed less energy than with the order-4 observer, which is about 10% for NEDC driving profile and 12% for a flat surface. It can be concluded that the LQI controller with order-5 observer gives better energy efficiency than the LQI controller with order-4 observer
Analisis Kecap Panganteur dalam Novel Catetan Poéan Réré Karya Ai Koraliatianteur in Ai Koraliati's Novel Catetan Poéan Réré Hidayat, Egi; Ratnawati, Ratnawati
JURNALISTRENDI : JURNAL LINGUISTIK, SASTRA, DAN PENDIDIKAN Vol 10 No 2 (2025): November 2025
Publisher : Universitas Nahdlatul Wathan Mataram

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.51673/jurnalistrendi.v10i2.2597

Abstract

Tujuan dari penelitian ini yaitu membahas Analisis Kecap Panganteur dalam novel Catetan Poéan Réré Karya Ai Koraliati. Fokus penelitian ini mengenai bentuk, fungsi, dan arti dari kecap panganteur. Penelitian ini menggunakan metode kualitatif deskriptif. Pemerolehan data menggunakan teknik telaah pustaka/studi Pustaka, yaitu menelaah, mendalami, mencatat dan mengidentifikasi bahan bacaan yang akan diteliti. Hasil penelitian ini menunjukan terdapat lima bentuk kecap panganteur, diantaranya: 1) kecap panganteur sandirasa, 2) kecap panganteur sandisora, 3) kecap panganteur sandinétra, 4) kecap panganteur sandikanta, dan 5) kecap panganteur sandikarya. Hasil dari analisis fungsi ditemukan terdapat tiga fungsi kecap panganteur, diantaranya yaitu: 1) fungsi mengantarkan kata kerja/verba, 2) fungsi mengantarkan kata sipat/adjektiva, dan 3) fungsi menggantikan kata kerja/verba. Hasil dari analisis arti kecap panganteur ditemukan ada 174 data, yang terbagi jadi lima bentuk, diantarana: 1) arti bentuk kecap panganteur sandirasa, 2) arti bentuk kecap panganteur sandisora, 3) arti bentuk kecap panganteur sandinétra, 4) arti bentuk kecap panganteur sandikanta, dan 5) arti bentuk kecap panganteur sandikarya. Hasil penelitian ini berimplikasi pada pentingnya pelestarian dan pengajaran bahasa Sunda, khususnya dalam memperkenalkan dan menguatkan pemahaman mengenai kecap panganteur sebagai unsur khas yang menjadi penanda identifikasi bahasa Sunda. Temuan tentang variasi bentuk, fungsi, dan arti kecap panganteur dapat dimanfaatkan sebagai referensi dalam kajian linguistik, pengembangan bahan ajar, serta penelitian lanjutan terkait morfologi bahasa Sunda.
Co-Authors agus Purwadi Arief Syaichu Rohman, Arief Syaichu Carmadi Machbub Estiko Rijanto Ratnawati Ratnawati Ristiana, Rina