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Jurnal Ilmiah Poli Rekayasa
Published by Politeknik Negeri Padang
ISSN : 18583709     EISSN : 26853922     DOI : 10.30630/jipr
Core Subject : Education,
Education
Jurnal Ilmiah Poli Rekayasa adalah jurnal ilmiah yang diterbitkan 2 edisi dalam setahun, bulan April dan Oktober. Terbit sejak tahun 2005. Fokus Kajian jurnal ini adalah Fokus kajian artikel dalam JPR mencakup Mechanical Engineering, Civil Engineering, dan Electronica, Electricty dan Telecomunication EngineeringLingkup Jurnal Ilmiah Poli Rekayasa meliputi : 1) Energi terbarukan (rewnable energy), 2) Inovasi kendaran bermotor hemat BBM, 3) Material Maju, 4) Emisi dan pembakaran motor bakar, 5) Rekayasa termal dan fluida, 6) Rekayasa power plant, 7)Material komposit, 8) Biomaterial, 9)Teknologi pengujian tak merusak (Non Distruction Test/NDT), 10) Kontrol dan mekatronika, 11) Planing untuk pengurangan resiko bencana, 12) Sistem transportasi antar moda, 13) Rekayasa konstruksi, bangunan, jembatan dan Jalan, 14) Manajemen daerah aliran sungai, air tanah, sedimen dan waduk, 15) Remote Sensing Harap baca panduan ini dengan seksama. Penulis yang ingin mengirimkan artikel ke Jurnal Ilmiah Poli Rekayasa, harus mengikuti panduan penulisan. Jika artikel yang dikirim tidak sesuai dengan panduan penulisan atau ditulis dalam format yang berbeda, maka akan DITOLAK oleh editor sebelum ditinjau lebih lanjut. Para editor hanya menerima artikel yang memenuhi format yang ditetapkan. Artikel ditulis dalam bahasa indonesia. Jurnal Ilmiah Poli Rekayasa menggunakan prosedur penilaian Double Blind. Dimana antara penulis dengan mitra bestari tidak saling mengenal identitasnya masing-masing. Silahkan kirimkan artikel anda dan untuk unduh Template DI SINI Etika Publikasi dapat dilihat pada tautan berikut ini : ETIKA PUBLIKASI.
Arjuna Subject : -
Articles 182 Documents
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RANCANG BANGUN ANTENA MIKROSTRIP ARRAY 4X1 PATCH SQUARE UNTUK JARINGAN WIFI Aprinal Adila Asril
Jurnal Ilmiah Poli Rekayasa Vol 21, No 2 (2026): April
Publisher : Pusat Penelitian dan pengabdian kepada Masyarakat (P3M) Politeknik Negeri Padang

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.30630/jipr.21.2.433

Abstract

This research aims to design and implement a  microstrip array 4x1 patch square antenna for a WiFi using the software CST Studio Suite 2019and using a Vector Network Analyzer for antenna testing. Some antenna parameters that were determined include return loss, bandwidth, VSWR, radial pattern, and gain. This antenna has an antenna size of 125 x 130 mm. The antenna isdesigned based on the characteristics of several antenna parameters, namelyhaving a return loss of ≤-10 dB, a gain value of ≥1 dB, and a VSWR ≤2. The type of substrate used is FR-4 (lossy) with a dielectric constant specification of 4.3, characteristic impedance of 50 ohms and thickness of 1.6 mm. The groundplane material used is copper with a thickness of 0.035 mm. The results of optimizing the microstrip array antenna parameters are a return loss of -17.72 dB with a frequency of 2.4 GHz, a VSWR value of 1.34 with a frequency of 2.4 GHz and has a unidirectional radiation pattern. Meanwhile, the return loss value for the manufactured antenna was found to be -18.7 dB with a frequency of 2.46 GHz and a VSWR value of 1.26 with a frequency of 2.46 GHz.   Keywords: Antena Mikrostrip Array,  Return loss, bandwidth, VSWR, Pola radiasi, dan gain.
SISTEM MONITORING PARAMETER BATERAI SEPEDA MOTOR LISTRIK BERBASIS IOT Rifano Rifano; Muhammad Tatag Titis Prabowo; Ery Muthoriq; Nanang Oktawidiandaru
Jurnal Ilmiah Poli Rekayasa Vol 21, No 2 (2026): April
Publisher : Pusat Penelitian dan pengabdian kepada Masyarakat (P3M) Politeknik Negeri Padang

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.30630/jipr.21.2.434

Abstract

The rapid growth of electric vehicle adoption in Indonesia presents significant new challenges, particularly regarding the maintenance of energy storage systems, which remain the most critical components. Batteries in electric motorcycles are highly susceptible to premature degradation caused by unstable current and voltage parameters, as well as the high risk of uncontrolled temperature spikes that can trigger permanent damage or severe fire hazards. Consequently, intensive, continuous monitoring is an absolute necessity to ensure operational safety and reliability. This research focuses on developing a sophisticated prototype for a real-time electric motorcycle battery health monitoring system by integrating advanced Internet of Things (IoT) technology.The technical design of this device utilizes the high-performance ESP32 microcontroller as the primary processing unit, paired with a PZEM-017 sensor to monitor electrical variables and an RTD PT100 sensor with a MAX31865 module for precise temperature readings. All collected data is transmitted wirelessly to a dedicated cloud platform, allowing users to monitor battery status remotely via their smartphones. Furthermore, the system is equipped with an automated early warning feature via a Telegram bot, which instantly sends notifications when battery parameters fall outside safe limits, such as temperatures exceeding 35°C or voltage deviating from the optimal 42–57.6 V range.The methodology applied in this study is Research and Development (R&D) using the comprehensive ADDIE development framework. Based on a series of rigorous tests, the system demonstrated high levels of accuracy, with temperature reading success at 98.15% and voltage accuracy at 99.78%. Functional testing through the black-box method also proved that warning notifications were successfully delivered to the user's device with a perfect success rate. The implementation of this tool is expected to significantly assist users in performing preventive maintenance, thereby extending the battery's operational lifespan and overall energy 

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