Author: Jalbar

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Analisa Perencanaan Penangkal Petir Pada Gedung Kampus Bima Sakti IST Akprind Yogyakarta

Abstract

A natural phenomenon such as Lightning that occurs when the upper atmosphere is unstable due to the convergence of a column of warm vertical air, with a cooler mass of air above which is heated by the sun, this rising air current carries water vapor which, while filling cold air , usually condenses, causing convective storm activity, this lightning can be one of the natural causes of injury to humans or damage to electrical equipment. In planning the installation of lightning rods in the Bima Sakti IST Akprind Yogyakarta campus building using KURN R80 type with electrostatic lightning rods. For the cable carrying from the end to the control tub using the NYA cable while for grounding cable using BC cable that is connected to the ground root with a type of ground root stem which has a length of 1.5 m and a diameter of 1.5 cm. From the results of the soil resistance test, get a calculated result of 4,95 Ω, and calculated using a measuring instrument to get a result of 1.16 Ω. With the nonconventional space method in IST Akprind Yogyakarta campus building 3, the total building height up to the 27 meter final is obtained 130.4 m strike distance and 52.46 ° protection angle with a 79.45 m protection radius.

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Analisa Perencanaan Penangkal Petir Pada Gedung Kampus Bima Sakti IST Akprind Yogyakarta

Abstract

A natural phenomenon such as Lightning that occurs when the upper atmosphere is unstable due to the convergence of a column of warm vertical air, with a cooler mass of air above which is heated by the sun, this rising air current carries water vapor which, while filling cold air , usually condenses, causing convective storm activity, this lightning can be one of the natural causes of injury to humans or damage to electrical equipment. In planning the installation of lightning rods in the Bima Sakti IST Akprind Yogyakarta campus building using KURN R80 type with electrostatic lightning rods. For the cable carrying from the end to the control tub using the NYA cable while for grounding cable using BC cable that is connected to the ground root with a type of ground root stem which has a length of 1.5 m and a diameter of 1.5 cm. From the results of the soil resistance test, get a calculated result of 4,95 Ω, and calculated using a measuring instrument to get a result of 1.16 Ω. With the nonconventional space method in IST Akprind Yogyakarta campus building 3, the total building height up to the 27 meter final is obtained 130.4 m strike distance and 52.46 ° protection angle with a 79.45 m protection radius.

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Face Recognition Berbasis Raspberry Pi Pada Keamanan Pintu Otomatis

Abstract

The 4.0 industrial revolution, industry trends began to combine automation technology with cyber technology. For this reason, a security system is needed as a response to the growing development of this cyber technology. One of the security solutions in doing authentication is to use a part of the human body, the face. The system can detect face objects as input images from the camera. After the object is detected, the system will do a matching face with the face image contained in the system database. This system is using the application of Computer Vision in the security system. The image will be processed using the Haar Cascade method to detect facial objects contained in the image. The Eigenface method to compare detected faces with faces in the database. Both of these methods will be processed using Raspberry Pi. Three users test the system with different conditions. For users already registered in the database, the door lock will open automatically. The open door security system will reject users that are not stored in the database and send notifications via the Telegram and Whatsapp applications. The average accuracy of face recognition ranges from 80% – 90% with the distance of the camera as far as 0.45 m in a room with good light. Accuracy and response capabilities are greatly influenced by distance, camera specifications, angle, and light intensity

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Face Recognition Berbasis Raspberry Pi Pada Keamanan Pintu Otomatis

Abstract

The 4.0 industrial revolution, industry trends began to combine automation technology with cyber technology. For this reason, a security system is needed as a response to the growing development of this cyber technology. One of the security solutions in doing authentication is to use a part of the human body, the face. The system can detect face objects as input images from the camera. After the object is detected, the system will do a matching face with the face image contained in the system database. This system is using the application of Computer Vision in the security system. The image will be processed using the Haar Cascade method to detect facial objects contained in the image. The Eigenface method to compare detected faces with faces in the database. Both of these methods will be processed using Raspberry Pi. Three users test the system with different conditions. For users already registered in the database, the door lock will open automatically. The open door security system will reject users that are not stored in the database and send notifications via the Telegram and Whatsapp applications. The average accuracy of face recognition ranges from 80% – 90% with the distance of the camera as far as 0.45 m in a room with good light. Accuracy and response capabilities are greatly influenced by distance, camera specifications, angle, and light intensity

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Face Recognition Berbasis Raspberry Pi Pada Keamanan Pintu Otomatis

Abstract

The 4.0 industrial revolution, industry trends began to combine automation technology with cyber technology. For this reason, a security system is needed as a response to the growing development of this cyber technology. One of the security solutions in doing authentication is to use a part of the human body, the face. The system can detect face objects as input images from the camera. After the object is detected, the system will do a matching face with the face image contained in the system database. This system is using the application of Computer Vision in the security system. The image will be processed using the Haar Cascade method to detect facial objects contained in the image. The Eigenface method to compare detected faces with faces in the database. Both of these methods will be processed using Raspberry Pi. Three users test the system with different conditions. For users already registered in the database, the door lock will open automatically. The open door security system will reject users that are not stored in the database and send notifications via the Telegram and Whatsapp applications. The average accuracy of face recognition ranges from 80% – 90% with the distance of the camera as far as 0.45 m in a room with good light. Accuracy and response capabilities are greatly influenced by distance, camera specifications, angle, and light intensity

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Kontrol Motor AC 3 Fasa Pada Peluncur Peluru Kendali

Abstract

The background of the research is the need for 3 phase ac servoposition is needed to obtain a precise position, where the 3 phase ac motor with a power between 0.25 to 1 kw when used to make precise position movements, is quite difficult, because of the moment of inertia, when  silent governed the way the starting time process from zero speed to nominal speed is quite long, about 1 to 2 seconds, as well as when from normal rotation commanded to stop zero speed the process of stopping time ranges from 2 to 3 seconds, whereas we want starting  time 0.5 seconds and stop time 0.75 seconds stop right in the position ordered.  This problem is very disturbing in making other system controls, because the time is long enough in the starting time and stoping time, and this process will repeat every time according to the modulation of the control signal received by the motor switching system, while the operating time of the desired system is only 30 seconds  in following the target so as not to disappear in the camera shot, starting from the target start is obtained until the end of the process when turning on the firing button, as used in controlling the missile launcher.  The launcher’s processing time is only about a few minutes, for searching, locking and firing, otherwise the object to be locked will disappear from observation.

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Kontrol Motor AC 3 Fasa Pada Peluncur Peluru Kendali

Abstract

The background of the research is the need for 3 phase ac servoposition is needed to obtain a precise position, where the 3 phase ac motor with a power between 0.25 to 1 kw when used to make precise position movements, is quite difficult, because of the moment of inertia, when  silent governed the way the starting time process from zero speed to nominal speed is quite long, about 1 to 2 seconds, as well as when from normal rotation commanded to stop zero speed the process of stopping time ranges from 2 to 3 seconds, whereas we want starting  time 0.5 seconds and stop time 0.75 seconds stop right in the position ordered.  This problem is very disturbing in making other system controls, because the time is long enough in the starting time and stoping time, and this process will repeat every time according to the modulation of the control signal received by the motor switching system, while the operating time of the desired system is only 30 seconds  in following the target so as not to disappear in the camera shot, starting from the target start is obtained until the end of the process when turning on the firing button, as used in controlling the missile launcher.  The launcher’s processing time is only about a few minutes, for searching, locking and firing, otherwise the object to be locked will disappear from observation.

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Kontrol Motor AC 3 Fasa Pada Peluncur Peluru Kendali

Abstract

The background of the research is the need for 3 phase ac servoposition is needed to obtain a precise position, where the 3 phase ac motor with a power between 0.25 to 1 kw when used to make precise position movements, is quite difficult, because of the moment of inertia, when  silent governed the way the starting time process from zero speed to nominal speed is quite long, about 1 to 2 seconds, as well as when from normal rotation commanded to stop zero speed the process of stopping time ranges from 2 to 3 seconds, whereas we want starting  time 0.5 seconds and stop time 0.75 seconds stop right in the position ordered.  This problem is very disturbing in making other system controls, because the time is long enough in the starting time and stoping time, and this process will repeat every time according to the modulation of the control signal received by the motor switching system, while the operating time of the desired system is only 30 seconds  in following the target so as not to disappear in the camera shot, starting from the target start is obtained until the end of the process when turning on the firing button, as used in controlling the missile launcher.  The launcher’s processing time is only about a few minutes, for searching, locking and firing, otherwise the object to be locked will disappear from observation.

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SISTEM PAKAR UNTUK MENENTUKAN SANKSI PELANGGAR LALU LINTAS SEPEDA MOTOR DAN MOBIL MENGGUNAKAN METODE FORWARD CHAINING BERBASIS WEB

Abstract

Nowadays, to determine the ticketed sanctions in court still using experts without systematic assistance. Certainly, it is very unfortunate if the technology is not utilized in this field. A similar problem also exists with the traffic police on duty to do out the crossing and socialize the articles and fines that apply to traffic violators. The police must also memorize the articles of traffic violations, but only those that are often violated by drivers because there are many articles on traffic violations that the police cannot memorize. Therefore, in this research, the writer creates a system to assist judges in determining sanctions or fines for traffic violators, to assist the police in socializing the traffic violator, and to assist the drivers in knowing the rules, and also the traffic articles. The Forward Chaining method would be more suitable to be used for those systems because the research field uses facts to be sure. The objects of this research are car and motorcycle riders.  The existence of several case examples are used by the writer that is useful to test the accuracy of the process or the results of this consultation, researchers also provide examples to the drivers, the police, and also legal experts for testing this traffic expert system. With the level of validation of truth that has been achieved, this traffic expert system can be used as a method of judges, violators or police in determining ticketing sanctions

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PERANCANGAN APLIKASI PENGADUAN MASYARAKAT TERHADAP LINGKUNGAN DI TINGKAT KELURAHAN

Abstract

Aplikasi pengaduan masyarakat adalah sebuah sarana aspirasi dalam bentuk pengaduan masyarakat berbasis online yang berprinsip mudah, terpadu dan tuntas untuk pengawasan lingkungan. Penelitian ini bertujuan untuk membuat suatu aplikasi yang bisa dipakai memudahkan masyarakat untuk melaporkan suatu kejadian dan bisa direspon atau ditanggapi dengan cepat, efektif dan efesien oleh pihak instansi terkait. Dengan mengunakan metode pengembangan sistem Extreme Programming (XP) diharapkan aplikasi yang dibuat lebih cepat selesai dan sesuai dengan kebutuhan. Hasil dari penelitian ini adalah membuat sistem pengelolaan aplikasi pengaduan masyarakat untuk admin yang berbentuk web aplikasi untuk menampung hasil dari pengaduan dari masyarakat yang menggunakan aplikasi mobile, dengan harapan pihak kelurahan dapat mendengarkan setiap keluhan yang masuk dari masyarakat melewati aplikasi ini dan dapat direspon dengan baik dan ditindak lanjuti hasil dari pelaporan masyarakat.

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