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All Journal MAESTRO Jurnal Ticom: Technology of Information and Communication
Indra Riyanto
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Civil Engineering, Building, Construction & Architecture Computer Science & IT Electrical & Electronics Engineering

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Perancangan protytipe sistem pengendali kadar gas karbon monoksida pada area bengkel mobil Umar Nur Wanto; Indra Riyanto
MAESTRO Vol 2 No 2 (2019): Edisi Oktober 2019
Publisher : FAKULTAS TEKNIK UNIVERSITAS BUDI LUHUR

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Abstract

In this final project, a system for controlling air circulation in the car workshop area with a control PID be designed. This system consists of Arduino Mega2550, 4 CO MQ7 gas sensors, motor drivers, 2 fan motors, LCD, 2 LED lights, and Buzzer. The method used for system controllers is the PID control. The system gets input from the CO MQ7 gas sensor. Where the sensor reads the presence of smoke and CO gas in the car workshop area. The output produced by the PID control system is a Pulse Width Modulation (PWM) signal which is then used by the motor driver to adjust the rotation speed of the fan motor. The rotation of the fan motor will regulate air circulation in the controlled system area. PID controllers use parallel structures with parameters Kp, ki and kd obtained by trial and error method. In the overall test using PID parameters at the values of Kp = 3.5, Ki = 0.025, and Kd = 0.5 shows that it can save electricity energy more by 65.16 % compared to full speed fan testing. Keywords— Parameter, PWM, Gas CO, control PID, Trial and error.
RANCANG BANGUN SEPEDA PORTABLE CHARGING STATION 12V 6W Alif Nurrachman Aji Saputra; Indra Riyanto
MAESTRO Vol 3 No 2 (2020): Edisi Oktober 2020
Publisher : FAKULTAS TEKNIK UNIVERSITAS BUDI LUHUR

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Abstract

In this final project, a portable charging station bicycle is designed using a generator to produce electrical energy that comes from mechanical energy. This final project aims to determine whether the MPPT system commonly used in solar cells can also work on a different system, namely using a generator (bicycle dynamo). This tool gets input in the form of mechanical energy from pedaling a bicycle that rotates the bicycle wheel and causes the generator to also rotate. The system designed is a generator connected to a bicycle wheel, a rectifier circuit, a DC-DC converter, PWM, and a microcontroller. The discussion of the problem is focused on making renewable energy using mechanical energy through a generator whose voltage will be controlled using the Maximum Power Point Tracking (MPPT) method. Based on the system designed, the output of the generator when the bicycle is not ridden has an average power range of 4-6 Watt, after pairing it with MPPT it has an average power range of 5-6 Watt. Meanwhile, when the bicycle is ridden with an additional load the rider has an average power range of 4-6 Watt, after pairing it with MPPT it has an average power range of 3-6 Watt. The charging system that has been made can charge the battery, but it is not very effective. This is because the capacity of the larger battery is used to turn on the charging system itself.
PEMETAAN LINGKUNGAN KERJA ROBOT BERODA DENGAN METODE SLAM GMAPPING MENGGUNAKAN SENSOR LIDAR Noeroes Shobie Ahfan; Peby Wahyu Purnawan; Sujono Sujono; Akhmad Musafa; Indra Riyanto
MAESTRO Vol 5 No 2 (2022): Jurnal Maestro Vol.5 No.2. Oktober 2022
Publisher : FAKULTAS TEKNIK UNIVERSITAS BUDI LUHUR

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The wheeled robot used to deliver documents between rooms must be able to move according to the environmental conditions of the work area. For this reason, the robot must have knowledge of the conditions of the work environment to be passed. In this final project, the work area environment mapping on the wheeled robot is carried out. Mapping was done using the Simultaneous Localization and Mapping (SLAM) method. The equipment used in the mapping is a lidar sensor. The robot system consists of a raspberry Pi 4 which is used as the main controller of the robot. The robot has two sensors. The first sensor is a lidar sensor, which is used to detect the distance of the object in front of the robot. Then the IMU sensor is used to detect the robot's orientation and position changes. In the robot there is a motor driver which is used as a robot control signal processor to drive a DC motor. Map making is done by means of a lidar sensor reading the robot's working area environment. The lidar sensor output signal is processed using the SLAM gmapping method. In this test, to determine the environment of the robot's work area, using a laser scanner to produce a two-dimensional (2D) map, while estimating the position of the robot on the map using a particle filter. This simultaneous mapping uses the Simultaneous Localization and Mapping (SLAM) mapping algorithm based on Raspberry Pi 4. The results obtained are maps in grayscale. In addition to SLAM gmapping, this article also shows that there are one to three robot position 2D testing arenas.
RANCANG BANGUN SISTEM PENGATURAN PENETRALISIR KEASAMAN AIR LIMBAH RUMAH TANGGA Hendryono Saputra; Nazori A Z; Eka Purwa Laksana; Suwasti Broto; Indra Riyanto
MAESTRO Vol 5 No 2 (2022): Jurnal Maestro Vol.5 No.2. Oktober 2022
Publisher : FAKULTAS TEKNIK UNIVERSITAS BUDI LUHUR

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Neutralizing household wastewater into clean water is currently one way to reduce groundwater use. In this final project, a neutralization system will be designed for residential wastewater into clean water. This system consists of, water level sensor, water ph sensor, microcontroller, pump, . Wastewater from each house is channeled into a holding tank. If the waste water reservoir is full and the clean water reservoir is empty, the wastewater from the reservoir is channeled into a water treatment tank to be processed into clean water with a pH value of 7 to 9. achieved. Meanwhile, if the waste water reservoir is full and the clean water reservoir is also full, the clean water can be channeled for the needs of the residents or flowed into the river. With this concept, residents' need for clean water from ground water can be reduced and the water discharged into the river is also clean water that does not pollute the river. The energy source for power supply to the system comes from solar energy which is stored using batteries. The process of neutralizing wastewater with injection / addition of aluminum sulfate / alum (Al2OH) and aluminum chloride (PAC) as much as 9 mL is able to raise the pH from 4.3 to 7.81 so the results have met the water quality standard.
ANALISA KINERJA MONITORING SUHU DAN KELEMBAPAN TANAH BERBASIS IOT PADA ALAT PENYIRAMAN OTOMATIS TANAMAN CABAI DI DALAM GREEN HOUSE Faisal Adi Putra Tomyka Ode; Eka Purwa Laksana; Nifty Fath; Suwasti Broto; Indra Riyanto
MAESTRO Vol 6 No 1 (2023): Jurnal Maestro Vol.6 No.1. April 2023
Publisher : FAKULTAS TEKNIK UNIVERSITAS BUDI LUHUR

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Abstract

Chili plants really need to be considered both in terms of planting or watering, but they really need a place that has good soil levels and an ambient temperature that is not too hot or cold. If these plants can be watered automatically, it is likely that the quality of the plants will be good and will get good results. This study aims to design an automatic watering device that will be monitored remotely so that soil moisture is maintained. Where this final project has designed an automatic watering device and keeps the temperature inside the Green House automatically based on IoT and a monitoring system based on several prototypes controlled by Arduino mega2560 and NodeMCU ESP8266 as a data sending tool and connecting to Thinger.io which functions to display data, the pump will active to water the plants when the sensor value reading is above or more than 70% and the pump will stop when the sensor reading value is below or more than 50%, then the fan will turn on when the temperature value inside the green house is more than 28 degrees Celsius and the fan will turn off when the temperature value inside the green house is less than 28 degrees Celsius. The Soil Mousture sensor functions as a reader of the humidity value in chili plants and the DHT11 sensor as a reader of the temperature value in the Green House. Based on the TIPHON standard, QoS testing of monitoring system communications is included in the good category, for throughput testing the index value is 4, packet loss index value is 4, delay index value is 1, and jitter index value is 1.
BIKE RENTAL LOCATION TRACKING SYSTEM WITH INTERNET OF THINGS IMPLEMENTATION Fikri Hidayatulloh; Peby Wahyu Purnawan; Indra Riyanto; Nifty Fath; Suwasti Broto
MAESTRO Vol 6 No No 2 (2023): Vol.6 No. 2. Oktober 2023
Publisher : FAKULTAS TEKNIK UNIVERSITAS BUDI LUHUR

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Abstract

The situation of bicycle rentals in the tourist spots of the old city, there is one bicycle rental company whose locations are scattered at several points in the old city, the bicycles used are ontel bicycles. Bike rentals are guarded by several people with the aim of maintaining bicycles. The design of a GPS system on bicycles that can be controlled through a hosting application, consists of two main parts, namely the design of the hardware to provide GPS on bicycles, through the hosting application and the software for the control system. The concept used for the process of granting gps is with two parts, namely Node and Gateway. The NEO 6M GPS module functions as a bicycle monitoring and is used for long-distance communication links. A system that has been comprehensively tested both in terms of accuracy and internet of things (IOT). Conduct GPS Tracker testing on bicycles in the Kota Tua area to find out how accurate the GPS Tracker is in determining the location of bicycles in the Kota Tua area. The test will produce the number of location points collected by the Neo 6M GPS while traveling in the Kota Tua area, the more point data collected, the better the precision and accuracy. The test results will also show bicycle trips in the Kota Tua area. From the results of an analysis of the Internet of Things on the GPS Tracker device, everything works well and is in line with expectations. Communication between the Sim 800L and Website Hosting has a delay. Making this system requires several components, such as Arduino Uno as the brain of the GPS Tracker device and also the GPS module. Neo 6M to get the coordinates from the satellite. For sending data to the server using the GPRS Sim 800L module, the system can display geofencing of the location of the bicycle on the monitoring map so that users can find out where the bicycle is even though the bicycle is rented out. The alert system can display notifications when the bicycle is outside the geofencing area "the bicycle has exceeded the geofencing area"
Contoh Artikel Fikri Maulanda; Eka Purwa Laksana; Indra Riyanto
MAESTRO Vol 6 No No 2 (2023): Vol.6 No. 2. Oktober 2023
Publisher : FAKULTAS TEKNIK UNIVERSITAS BUDI LUHUR

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Abstract

A flood is a natural disaster that occurs due to high rainfall and causes the overflow of rivers or streams that cause many losses to humans and can be an impact that causes electrical short circuits. This can certainly lead to harm such as injury, injury, even loss of life. In certain areas, many are still affected by flooding, especially in Jakarta and its surroundings. Many measures taken to deal with flooding have not been sufficiently effective, but few have cared for their own safety in the face of the effects of flooding. In this final assignment he designed a prototype model of an automatic power cutting system for flood disaster response homes. Designed on a 1:10 scale system with a height of actually 200 cm. Prototype models are made for simulation testing to facilitate the system in testing. The system consists of an ultrasonic sensor, an MCB, a servo, a traffic light indicator in the form of a light, a buzzer in the form of a sound, and an LCD 16x2 as a display of the sensor readings. The process in the system with the reading of the distance of the water surface uses the HC-SR04 ultrasonic sensor to produce a high value of water with the calculations on the program. And the calculation for the accuracy of the ultrasonic sensor readings uses the RMSE (root mean square error) formula and gets an RMSE value of 0.20 - 0.95 Cm where 0.20 Cm is the lowest RMSE value at 15 Cm water height and 0.95 Cm is the highest RMSE value at 10 Cm water height. The working principle of the system is to read the distance of the water surface to produce a high value of water, the high value of water is divided into 3 statuses, namely safe at a height of 0-7 Cm, alert at a height of 8-14 Cm, and flooding at a height of 15 Cm. At a height of 15 Cm and declare the flood status results that cause automatic power breaks.. Keywords : Fresidential flood, ultrasonic sensors, prototype model
Rancang Bangun Pembangkit Listrik Picohidro Curah Hujan Pijar Nurofiq Pratama; Indra Riyanto; Suwasti Broto
MAESTRO Vol 6 No No 2 (2023): Vol.6 No. 2. Oktober 2023
Publisher : FAKULTAS TEKNIK UNIVERSITAS BUDI LUHUR

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Abstract

Indonesia has a fairly high rainfall of (2000-3000 mm per year) This has the potential to be used as an alternative energy source for power generation. In this final project, a picohydro power generation system was designed with energy sources derived from rainfall. The designed system consists of gutters with a height of 1 m, 1/2" pipe, YF-S201 water flow, Picohidro Generator, INA219 sensor, Arduino Mega 2560, RTC DS3231, LCD, I2C, Micro SD Card, and 5 watt dc lamp load. The way the system works is that when it rains, the water will be collected by gutters which then the water will flow through pipes connected to the water flow and generator. Water that passes through the water flow and generator will rotate the turbine so that it produces data on water discharge and electrical power. The INA219 sensor will read the current and voltage as well as the power generated from the generator with a 5 watt dc lamp load. Water discharge and power data will then be displayed on the LCD and stored on the SD Card. The designed system is tested by means of three test scenarios namely testing 1 single generator, 2 series connection generators, and 2 parallel connection generators. From the results of system testing, the highest data was obtained in testing 1 generator that produced 25.64 mW of power with a potential energy of 1.5384 Joules.
Sistem Penunjang Keputusan Penentuan Karyawan Terbaik Menggunakan Metode Simple Additive Weigthing (SAW) pada PTS Indonesia Margatama, Lestari; Indra Riyanto
Jurnal Ticom: Technology of Information and Communication Vol 13 No 3 (2025): Jurnal Ticom-Mei 2025
Publisher : Asosiasi Pendidikan Tinggi Informatika dan Komputer Provinsi DKI Jakarta

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.70309/ticom.v13i3.149

Abstract

PTS Indonesia setiap tahunnya memiliki agenda untuk mengevaluasi kinerja karyawannya. Evaluasi penilaian kinerja karyawan masih belum optimal karena proses penilaiannya masih bersifat subjektif dengan indikator penilaian yang sulit terukur. Tujuan dari penelitian ini adalah membuat Sistem Penunjang Keputusan Penentuan Karyawan Terbaik dengan Menggunakan Menggunakan Metode Simple Additive Weigthing (SAW).  Kriteria  yang digunakan dalam penilaian adalah Delivery On Time, Delivery On Budget, Team Satisfaction, dan soft skill. Evaluasi yang dilakukan dalam artikel ini menggunakan 10 sampel data dengan hasil  sistem mampu memilih karyawan terbaik secara lebih objektif dengan indikator yang terukur. Karyawan dengan nilai yang lebih merata menempati peringkat yang lebih tinggi dibandingkan dengan karyawan dengan satu nilai menonjol sehingga penilaian menjadi benar-benar objektif.
Co-Authors Alif Nurrachman Aji Saputra Faisal Adi Putra Tomyka Ode Fath, Nifty Fikri Hidayatulloh Fikri Maulanda Hendryono Saputra Laksana, Eka Purwa Margatama, Lestari Musafa, Akhmad Nazori AZ Noeroes Shobie Ahfan Peby Wahyu Purnawan Pijar Nurofiq Pratama Sujono Sujono Suwasti Broto Umar Nur Wanto