Kuat Rahardjo T.S.
Universitas Trisakti

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PENGATUR KECEPATAN MOTOR DC DENGAN SENSOR SUHU BERBASIS MIKROKONTROLER ATMEGA16 Prawiroredjo, Kiki; Rahardjo TS, Kuat; Stevanus, Stevanus
Jurnal Teknik Elektro Vol 9, No 1 (2009)
Publisher : Jurnal Teknik Elektro

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Abstract

A telecommunication cabinet usually uses a Direct Current fan with a Direct Current motor (DC motor) to make the cabinet temperature does not exceed the temperature that is allowed. Using a DC motor has weaknesses because it always rotates in full speed although the temperature in the cabinet gets down already. It causes inefficiency of the power consumption and the DC motor’s lifetime is not long enough.The prototype of DC motor speed controller controls the speed of a DC motor with the temperature environment as its reference. This circuit is built by a temperature sensor LM35, a microcontroller ATmega16 as the processor that analizes the input from the temperature sensor and relays. This prototype is equipped with a Liquid Crystal Display (LCD) to display the temperature of the cabinet and the DC motor speed. After the prototype is assembled and tested, it is known that the circuit controls a DC motor speed according to the changes of the temperature that has been determined by the software program. The DC motor stops rotating if the temperature sensor senses the temperature below the minimum temperature level.Keywords: DC motor, temperature sensor, LCD, microcontroller
RANGKAIAN CASCADE PADA RANGKAIAN SEQUENTIAL ASINKRON T.S., Kuat Rahardjo
Jurnal Teknik Elektro Vol 1, No 1 (2001)
Publisher : Jurnal Teknik Elektro

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Abstract

Cascade circuit is once of methode to simplify digital circuit design, because its reducing thenumber of input in every part of cascade circuit. Usually, the design methode is apllied incombinational circuit design. This design methode can be implement too in synchronoussequential circuit, usually for counter circuit design. But in the asynchronous sequential, thisdesign methode is very rare to applied. This article is discussing only for cascade circuitdesign methode in asynchronous sequential mode, using “Master Quiz” case study todescribe thisKeyword: Rangkaian CASCADE pada SEQUENTIAL ASINKRON, untuk merancangrangkaian cepat tepat dengan jumlah regu banyak.
PERANCANGAN RANGKAIAN PENGATUR LAMPU LALU LINTAS PADA BERBAGAI PERSIMPANGAN JALAN Rahardjo T.S., Kuat
Jurnal Teknik Elektro Vol 6, No 1 (2006)
Publisher : Jurnal Teknik Elektro

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Abstract

Much method to create a traffic light controller circuit, only depend on the component usedto build the circuit. But choosing the component depend on facilities to bee added to makethe driver satisfy through the street cross. In this article discuss five type off componentusually used, with more and less in every type off component.Keyword: Trafic light, controller, time sequence.
PERANCANGAN PROTOTYPE SISTEM PENGENDALI LAMPU LALU LINTAS PADA MODEL SIMPANG EMPAT Rahardjo T.S., Kuat; Juana, Endang; Suwatri, Hilman
Jurnal Teknik Elektro Vol 9, No 1 (2009)
Publisher : Jurnal Teknik Elektro

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Abstract

This paper describes the prototype design of traffic lights controller for several intersection model which in this paper is implemented for a 4 intersections model. This prototype is using MCS51 Microcontroller Family to control the 4 intersection traffic lights lighting sequence. In this prototype the duration of the lighting sequence are adjustable to cater for different timing need of an intersection. To be able to cater for different intersections there are supporting component needed such as Keypad and LCD for for setting up timing sequence; SEEPROM for storing in setting data and duration for each timer; Decoder as an expander output port for lighting up the traffic lights and 7-segment as the indicator of remainder of duration of time in one direction before change of light. All process is supported by software implemented in Assembly Language.Keywords: microcontroller, timer, traffic lights
Model Sistem Monitoring Perlintasan Kereta Api Menggunakan Arduino Mega Triyanto, Irfan Rusidy; Djuana, Endang; Gozali, Ferrianto; S, Kuat Rahardjo T; Sunarto, Sunarto
Jurnal Telematika Vol. 12 No. 2 (2017)
Publisher : Yayasan Petra Harapan Bangsa

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.61769/telematika.v12i2.192

Abstract

Monitoring system at railway crossing is a system that can be used to monitor train and the railway crossing that will be passed by train. In designing simulation for this monitoring system model, Arduino Mega is needed as a microcontroller. Besides that, radio-frequency identification (RFID) sensor is used to identify the train and ultrasonic sensor is used to detect the train. Data from train and railway crossing will be stored in database. This data that have been stored will be displayed in a server computer. In this display, there will be data from train and the railway crossing. A router is used to send the data to the Internet and an Ethernet module is used to bring the data from Arduino Mega. Experiments were conducted on a model railroad through a computer server. In the test results, the use of features such as train detection of ultrasonic sensors and sensor RFID as the train identification have been tested to work well. The process of sending data from Arduino Mega to be displayed on the display monitor in the server computer is depending on traffic data at the time of testing.Sistem monitoring pada perlintasan kereta api merupakan sistem yang dapat digunakan untuk melakukan deteksi pada kereta dan identifikasi perlintasan yang dilaluinya. Pada perancangan simulasi untuk model sistem monitoring ini, diperlukan Arduino Mega sebagai mikrokontroler dan sensor radio-frequency identification (RFID) dalam proses identifikasi kereta dan  sensor ultrasonik dalam proses deteksi kereta. Data kereta api dan perlintasan disimpan pada sistem basis data. Data yang telah disimpan ditampilkan pada komputer server. Pada tampilan server tersebut, terdapat data kereta dan juga perlintasan. Untuk pengiriman data, dipergunakan router untuk mengirim data ke Internet dan modul Ethernet untuk meneruskan data dari Arduino Mega. Uji coba dilakukan pada model kereta api untuk ditampilkan pada komputer server. Hasil pengujian menunjukkan bahwa dengan menggunakan fitur pendeteksi kereta berupa sensor ultrasonik dan pengidentifikasi kereta berupa sensor RFID, proses identifikasi kereta bekerja dengan baik. Adapun, proses pengiriman data dari Arduino Mega hingga dapat ditampilkan oleh layar monitor komputer server tergantung dari lalu lintas data pada waktu pengujian dilakukan.