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All Journal Riau Journal of Empowerment METALOGRAM
Muhammad Lyan Syaputra
Universitas Riau Kepulauan
Aerospace Engineering Agriculture, Biological Sciences & Forestry Automotive Engineering Control & Systems Engineering Economics, Econometrics & Finance Education Engineering Industrial & Manufacturing Engineering Social Sciences

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Pembuatan alat pendeteksi dan pengusir monyet secara otomatis di areal pertanian Desa Sugie Kabupaten Karimun Wahyu Fernando; Fardin Hasibuan; Muhammad Irsyam; Harry Kurniawan; Muhammad Lyan Syaputra; M Arif Delpero; Supriyadi Supriyadi
Riau Journal of Empowerment Vol 8 No 1 (2026)
Publisher : Lembaga Penelitian dan Pengabdian kepada Masyarakat Universitas Riau

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.31258/raje.8.1.25-34

Abstract

An automatic monkey detection and repellent system based on a Convolutional Neural Network (CNN) and a Raspberry Pi was developed to address crop damage caused by monkeys in Sugie Village, Karimun district. The system uses a webcam to detect monkeys within a radius of up to 50 meters and emits gunshot sounds audible up to 200 meters to automatically repel them. Solar panels power the system because the area has access to electricity only at night. The implementation of this device yielded significant results, reducing crop damage from an average of 9 damaged plants per visit to only 3, equivalent to a 66.7% decrease. Additionally, the solar panels provided lighting for the agricultural area, improving security and accessibility at night by 100%. This technology offers an effective and efficient solution compared to manual methods, which require constant monitoring. The project leverages modern innovation relevant to local needs by integrating renewable energy with image-based detection technology. This project has the potential to be replicated in other regions facing similar issues, supporting food security and improving rural communities.
The Effect of Imbalance On Rotor Vibration in Electric Motors Agung Albaru; Dinda Balqis; Irvan Afriandi; Muhammad Lyan Syaputra
METALOGRAM Metalogram Vol.01 No.3 (August,2025)
Publisher : Universitas Riau Kepulauan

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.33373/mtlg.v1i03.7979

Abstract

Mechanical system failures in electric motors are often caused by mass imbalance in the rotor. This imbalance occurs when the mass distribution is uneven relative to the axis of rotation, causing the center of mass to deviate from the rotational axis. Such conditions generate centrifugal forces that lead to excessive vibrations, accelerate component wear, reduce efficiency, and shorten the motor’s lifespan. Mass imbalance in the rotor system is one of the main causes of excessive vibration in rotating machines, which can result in performance degradation, component wear, and even catastrophic failure. This study aims to analyze the vibration characteristics caused by unbalance in a single rotor and evaluate the effectiveness of the trial weight balancing method (three-test-mass method) in reducing the resulting vibrations. Experimental testing was conducted using a Digital Signal Analyzer (DSA), an accelerometer sensor, and a rotor test system with various unbalanced mass configurations installed on the rotor disk. Vibration data were analyzed in both time and frequency domains using the Fast Fourier Transform (FFT) to identify dominant frequencies due to unbalance. The results show that the highest vibration amplitude occurs at the fundamental frequency corresponding to the rotor’s rotational speed. The three-test-mass balancing method proved effective in significantly reducing the vibration amplitude after mass correction. These findings indicate that identifying unbalance through vibration response and applying an appropriate balancing method can improve the stability and reliability of rotating rotor systems, including both three-phase induction motors and universal motors such as electric drills.
Toughness and Structural Analysis of Welds and HAZ of Sumerged Arc Welding on SM 490 Steel Stiven Ewin Sianipar; fardin hasibuan; Muhammad Lyan Syaputra
METALOGRAM Metalogram Vol.01 No.3 (August,2025)
Publisher : Universitas Riau Kepulauan

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.33373/mtlg.v1i03.8144

Abstract

The welding process is a metal joining method that utilizes high heat energy, which can trigger changes in the microstructure, deformation, and the emergence of residual stress in the area around the joint. This study aims to examine the impact of variations in heat input in the Submerged Arc Welding (SAW) process on the microstructure and toughness of SM 490 steel, especially in the weld area and heat-affected zone (HAZ). The SAW method was chosen because it has high efficiency, is easy to automate, and is able to produce good quality joints. This study used three levels of heat input, namely 2.1 kJ/mm, 3.16 kJ/mm, and 4.3 kJ/mm. Based on the test results, increasing heat input causes slower cooling, which affects the formation of microstructures such as ferrite at the grain boundary, acicular ferrite, Widmanstätten ferrite, bainite, and martensite. Acicular ferrite with fine size and interlocking pattern is known to contribute to increasing the toughness of welded joints. The maximum toughness in the weld zone, amounting to 117 Joules, was achieved at a heat input of 3.16 kJ/mm with a test temperature of 0°C. Meanwhile, the best toughness value in the HAZ of 17.5 Joules was recorded at a heat input of 2.1 kJ/mm at a temperature of -20°C. The results of this study confirm that appropriate heat input settings are very important to obtain optimal microstructure and toughness in welding SM 490 steel using the SAW method
Optimizing Material Selection and Manufacturing Processes For Enhanced Drill Bit Performance Robby Yandri Syaputra; Ivan Mangisara Barimbing; Muhammad Lyan Syaputra; Bernath Matheus Borutnaban; fardin hasibuan; Muhammadd Irsyam
METALOGRAM Metalogram Vol.02 No.1 (December,2025)
Publisher : Universitas Riau Kepulauan

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.33373/mtlg.v2i1.7432

Abstract

Drill bit performance is significantly influenced by material selection and manufacturing processes. This study optimizes material choices and advanced manufacturing techniques to enhance drill bit performance. By evaluating mechanical properties, wear resistance, and thermal stability of various materials, the research identifies the most suitable options for specific drilling conditions. Additionally, the impact of advanced manufacturing methods, such as additive manufacturing and precision machining, is explored to improve accuracy, durability, and efficiency. The results demonstrate improvements in drill bit performance, including reduced wear and extended operational lifespan. This research contributes to the development of more efficient and durable drill bits.
Analysis Of The Effect Of Primary Pully Inclination Angle On The Torque Of The 115 CC Mio Sporty Motorcycle Engine Muhammad Lyan Syaputra
METALOGRAM Metalogram Vol.01 No.1 (December, 2024)
Publisher : Universitas Riau Kepulauan

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.33373/mtlg.v1i1.7180

Abstract

This test was conducted to determine the comparison of torque on a 115 cc motorcycle, Standard with different pully degree variations, 14 °, 13.5 °, 13 °, 12 °. With the maximum speed in each different pully test, at the 14 ° degree pully the resulting torque is averaged 6.35 with Rpm 6,637 (The trotle opening is maximum), In the 2nd test using Pully 13.5 ° testing was carried out with Rpm at 5. 900 - 5,980 (Maximum trotle gas opening) produced a torque of 6.47 which is greater than the test using the previous 14 ° pully, but the maximum Rpm produced by the pully with a degree of 13.5 ° mala is slower than testing using a 14 ° pully. From this test, we can see the difference. That using Pully 13.5° the torque is greater but the engine rotation is slower. The 3rd test using a 13 ° pully with a maximum Rpm at 6,500 - 6,700 (maximum trotle opening) produces a torque of 6.29, from this test it can be seen the difference in torque and Rpm produced by a 13.5 ° degree pully with a 13 ° degree pully, where the Rpm is 720 Rpm faster with a difference in torque at a lower rate of 0.18 Nm isbanding diangaka difference with a 13.5 ° degree pully. The 4th test using a 12° pully with a maximum Rpm at 7,140 - 7,190 Rpm (Maximum Gas Trotle Opening) produced a torque of 6.02. From this test, it can be seen the difference with the test using a 13° pully, where the Rpm produced is higher but the torque is smaller, the torque difference is 0.27.
Analysis of Weld Defects and Their Solutions in Manual Welding of Carbon Steel Agung Albaru; Muhammad Lyan Syaputra; Dinda Balqis; Irvan Afriandi; Fardin Hasibuan
METALOGRAM Metalogram Vol.02 No.1 (December,2025)
Publisher : Universitas Riau Kepulauan

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.33373/mtlg.v2i1.7978

Abstract

Welding is one of the most commonly used metal joining processes in the manufacturing and construction industries. However, this process often results in defects in the weld joint, especially in manual welding of carbon steel, which can affect the quality and strength of the joint. This study aims to analyze the types of welding defects that occur in manual welding of carbon steel, identify their main causes, and provide technical solutions to minimize such defects. The methods used include visual inspection, penetrant testing (PT), and macrostructure examination of the welded joints. The results show that the most common defects found are porosity, undercut, incomplete fusion, and slag inclusion. The primary causes of these defects include improper welding parameter settings, inadequate cleanliness of the metal surface, and the skill level of the operator. As solutions, it is recommended to conduct regular operator training, adjust current and voltage according to the type of electrode used, and ensure proper surface preparation before welding. This study is expected to serve as a reference for industry practitioners in improving the quality of carbon steel weld joints
Analysis Of The Effect Of The Speed Of THE cnc Router Spindle On The Surface Roughness Of The Workpiece Muhammad Lyan Syaputra
METALOGRAM Metalogram Vol.01 No.1 (December, 2024)
Publisher : Universitas Riau Kepulauan

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.33373/mtlg.v1i1.7181

Abstract

In the machining process, the speed grip of the CNC Router spindle on the surface area of the activity entity is very closely monitored and the physical quality of the cutting surface is also on the amount of cutting speed, thickness of the tape and the strength of the film. The aim of the study is to understand the speed grip of the CNC Router on the surface mill system on the surface surface of the activity entity. using spindle speeds of 1000 rpm, 1200 rpm and 1400 rpm. The equipment and materials in this study are aluminum and measuring equipment. Based on the results of the visual study, it was found that the largest and most aggressive flat body was seen at a spindle speed of 1000 rpm, and a stable flat body was seen at a spindle speed of 1200 rpm, then the smallest or strongest flat body was seen at a speed of 1400 rpm while the data from studies using Roughness Tests, it shows that the average Ra point at a spindle speed of 1000 rpm is 0.33 um, at a spindle speed of 1200 the Ra point is 0.30 µm, and at a spindle speed of 1400 rpm the Ra is 0.29 µm. From the results of the study, it was found that the smaller and higher the spindle rotation, the grip on the physical surface on the face mill of the experimental entity and the higher the speed of the spindle, the smoother the surface, and vice versa, the smaller the spindle rotation, the more aggressive the surface. Keywords: Spindle Speed and Surface Roughness.
Co-Authors Agung Albaru Bernath Matheus Borutnaban Dinda Balqis Dinda Balqis Fardin Hasibuan Harry Kurniawan Irvan Afriandi Ivan Mangisara Barimbing M Arif Delpero muhammad irsyam Muhammadd Irsyam Robby Yandri Syaputra Stiven Ewin Sianipar Supriyadi Supriyadi Wahyu Fernando