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All Journal Khazanah Informatika: Jurnal Ilmu Komputer dan Informatika Teknika STTKD: : Jurnal Teknik, Elektronik, Engine
Agus Nurcahyo
Sekolah Tinggi Teknologi Kedirgantaraan
Computer Science & IT Electrical & Electronics Engineering Energy Industrial & Manufacturing Engineering Materials Science & Nanotechnology Mechanical Engineering

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Design and Implementation of a Smart Home Security System Using Voice Command and Internet of Things Heru Susanto; Agus Nurcahyo
Khazanah Informatika Vol. 6 No. 2 October 2020
Publisher : Department of Informatics, Universitas Muhammadiyah Surakarta, Indonesia

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.23917/khif.v6i2.9320

Abstract

A smart home security system consists of various sensors and recorders to automatically provide data on the conditions of a house. Home electronic equipment may be controlled from distant places using the internet of things technology and speech recognition. This research aims to develop a smart home security system by monitoring fire hazards and theft. It helps also control electronic equipment using voice commands that is useful especially for the disabled. The system design consists of hardware, software, and application design. Hardware design uses ESP8266, Arduino Mega 2560, MicroSD Card module, VC0706 serial camera, DHT22, magnetic door switch, PIR HC SR501, and Google Assistant device. Software design uses Arduino IDE for programming Arduino Mega and ESP8266. Applications used in the design are Adafruit.io, Thingspeak, and IFTTT (If This Then That). Voice commands control home electronic devices (lights), while fire and theft are monitored through the use of sensors and cameras. The system test shows that voice command can control lights on and off at an accuracy of 88%. Temperature and humidity sensors acquire data and send them to Thingspeak application for online fire monitoring. Sensors to detect intruders in the form of door switch and PIR work well and automatically activate cameras that capture objects to store in a MicroSD card.
DESAIN DAN IMPLEMENTASI PENGENDALI PUTARAN MOTOR DC MENGGUNAKAN VOICE COMMAND BERBASIS INTERNET OF THINGS (IOT) Agus Nurcahyo; Heru Susanto
Teknika STTKD: : Jurnal Teknik, Elektronik, Engine Vol 6 No 2 (2020): Teknika STTKD
Publisher : Sekolah Tinggi Teknologi Kedirgantaraan

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (735.708 KB) | DOI: 10.56521/teknika.v6i2.205

Abstract

Kendali putaran motor DC dapat dilakukan dengan menggunakan perintah suara melalui voice recognition. Perintah suara dapat mengakibatkan motor DC berputar ke kanan kekiri atau juga berhenti. Penelitian ini bertujuan untuk melakukan desain dan implementasi sistem kendali putaran motor DC dengan menggunakan voice recognition dan internet of things (IoT) sehingga putaran motor DC dapat dikendalikan dari jarak jauh dengan perintah suara. Sistem dirancang menggunakan perangkat keras berupa voice recognition berbasis IoT yaitu Echo Dot dan Google Assistant, NodeMCU+ESP8266, driver motor DC, dan Motor DC. Sedangkan perangkat lunak dan aplikasi yang digunakan adalah Arduino IDE dan Aplikasi Adafruit.io dan IFTTT. Perintah suara yang diterima oleh perangkat voice recognition akan diteruskan ke IFTTT yang terhubung dengan aplikasi Adafruit.io. Data dari Adafruit.io yang merupakan aplikasi IoT akan terhubung dengan hardware NodeMCU+ESP8266 yang akan memberikan perintah pada driver motor DC untuk mengendalikan putaran Motor DC berdasarkan perintah suara yang diberikan. Hasil dari penelitian ini menunjukkan bahwa desain dan implementasi sistem sudah berjalan sesuai dengan yang diharapkan. Kerja sistem menunjukkan bahwa perintah suara yang diberikan sudah dapat mengendalikan putaran motor DC untuk memutar motor, memutar motor ke kanan, memutar motor ke kiri, dan menghentikan motor dari jarak jauh. Hasil pengujian pada akurasi perintah suara yang diberikan telah menunjukkan tingkat keberhasilan sebesar 92,5% yang artinya sistem yang dibangun sudah sangat baik untuk melakukan kendali terhadap putaran motor DC.
ANALISIS HEAT TRANSFER PADA TUBULAR ANTI ICING HEATER DENGAN MEMANFAATKAN PANAS GAS BUANG ENGINE MENGGUNAKAN METODE COMPUTATIONAL DYNAMICS Imam Susanto; Agus Nurcahyo
Teknika STTKD: : Jurnal Teknik, Elektronik, Engine Vol 6 No 2 (2020): Teknika STTKD
Publisher : Sekolah Tinggi Teknologi Kedirgantaraan

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (659.579 KB) | DOI: 10.56521/teknika.v6i2.214

Abstract

Aircraft is a type of air transportation that uses 4 forces to operate. The forces referred to are the forces of lift, drag, thrust and weight, these four forces are interrelated in making the airplane fly. If one of the forces is disturbed, the aircraft cannot operate optimally. One of the causes of disruption of the force is the flow of air through the wings caused by the icing. In this study, the aim of this research is to determine the velocity distribution of the exhaust gas flow in the tubular so that the characteristics of the type of flow that flow can be seen, observing the temperature distribution of the exhaust gas in the tubular so that the tubular's ability to release heat can be seen, knowing the pressure distribution in the tubular so that you can see part of tubular which is subjected to the highest and lowest pressures. In this study, an analysis of tubular-shaped heater anti-icing was carried out, which will be used to remove icing on the leading edge of the wing. The method used in this study is to use the computational fluid dynamics method, the use of computational methods is carried out to further analyze the distribution of exhaust gas flow through the heater for more detail. Based on the research, it can be concluded that in the distribution of velocity in the tubular, tubular geometry is able to create turbulent flow along the curve. The temperature distribution in the tubular shows that the high temperature near the inlet will maximize heat transfer, but at the outlet that has a low temperature it causes the heat transfer to be less than optimal. The pressure distribution in the tubular indicates that a 90 ° indentation at the inlet results in a large pressure drop.
Co-Authors Heru Susanto Imam Susanto