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INDONESIA
Jurnal Pengembangan Teknologi Informasi dan Ilmu Komputer
Published by Universitas Brawijaya
ISSN : -     EISSN : -     DOI : -
Core Subject : Science, Education, Engineering,
Computer Science & IT Control & Systems Engineering Education Electrical & Electronics Engineering Engineering
Jurnal Pengembangan Teknlogi Informasi dan Ilmu Komputer (J-PTIIK) Universitas Brawijaya merupakan jurnal keilmuan dibidang komputer yang memuat tulisan ilmiah hasil dari penelitian mahasiswa-mahasiswa Fakultas Ilmu Komputer Universitas Brawijaya. Jurnal ini diharapkan dapat mengembangkan penelitian dan memberikan kontribusi yang berarti untuk meningkatkan sumber daya penelitian dalam Teknologi Informasi dan Ilmu Komputer.
Arjuna Subject : -
Articles 6,850 Documents
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Implementasi Algoritme Grain V1 Pada Protokol MQTT Menggunakan Raspberry Pi Untuk Mengamankan Data IoT Iskar Maulana; Ari Kusyanti; Adhitya Bhawiyuga
Jurnal Pengembangan Teknologi Informasi dan Ilmu Komputer Vol 2 No 12 (2018): Desember 2018
Publisher : Fakultas Ilmu Komputer (FILKOM), Universitas Brawijaya

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Abstract

Internet of Things (IoT) is one of the most commonly used technologies today because IoT can connect various devices. In general, the protocol used in IoT is the MQTT protocol that utilize wireless as a medium for data exchange. However, wireless media is vulnerable to wiretapping. Data threats become an unavoidable so there is a need secure the data. One technique for securing data is Grain v1 algorithm. This algorithm is an algorithm in cryptography that is used to encrypt and decrypt messages. The author uses Raspberry Pi as a publisher and subscriber as well as a Virtual Machine (VM) as a broker. The Grain v1 algorithm is placed on each client (publisher and subscriber) so that when the payload is transmitted over the MQTT protocol, the data contained in the payload is encrypted. Likewise, the payload is decrypted after it is received by the subscriber. There are 5 tests to ensure that the system works well including test vector validation testing, system functional, validation testing, encryption and decryption results, sniffing, and time performance. The result shows that test vector validation, encryption and decryption process validation are valid. Functional test shows that system can run well. Based on sniffing test, the payload cannot be read by unauthorized party. Finally, the execution time of processing keystream, encryption and decryption take 0.01246 second, 0.01627 second, and 0.02238 second.
Pengembangan Sistem Layanan Pengajuan Surat Warga Pada Kelurahan Sukun Di Kota Malang Rizky Aditya Arifin; Denny Sagita Rusdianto; Adam Hendra Brata
Jurnal Pengembangan Teknologi Informasi dan Ilmu Komputer Vol 3 No 2 (2019): Februari 2019
Publisher : Fakultas Ilmu Komputer (FILKOM), Universitas Brawijaya

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Abstract

One of the strategies applied by the Sukun Malang Village in filing citizen letters is by submitting citizen letters online. Submission of citizen letters online is very necessary because there are many residents who submit letters to the kelurahan. Sukun Urban Village has several submissions of citizen letters implemented on the system. However, the system still cannot overcome the problems that exist and is only done in the Sukun Malang Village, but not for RT and RW. The problem is a long process when residents submit a citizen letter with the number of residents who make submissions and submissions that are currently being carried out are still using a lot of paper. So that a system is needed to overcome these problems, namely submitting citizen letters online. This system is used to submit citizen letters, see details of letters submitted by residents, verify submission letters submitted by residents and print a letter of submission. The results of the analysis in this study obtained 58 functional requirements and 1 non-functional requirement from 5 actors who had roles in the system. In this study functional testing was carried out using white box and black box methods by conducting unit testing, integration and validation. The results of unit testing produce 100% valid values for 3 functional requirements tested, then the results of integration testing produce 100% valid values for 3 functional requirements tested and for validation test results produce 100% valid values for all functional requirements which means the system already in accordance with the needs analysis. In non-functional testing using compatibility testing, the system is expected to be used in different development environments or in browsers such as Google Chrome, Mozilla Firefox, Internet Exlporer, Microsoft Edge and Opera.
Peramalan Persediaan Spare Part Sepeda Motor Menggunakan Algoritme Backpropagation Danastri Ramya Mehaninda; Imam Cholissodin; Sutrisno Sutrisno
Jurnal Pengembangan Teknologi Informasi dan Ilmu Komputer Vol 2 No 12 (2018): Desember 2018
Publisher : Fakultas Ilmu Komputer (FILKOM), Universitas Brawijaya

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Abstract

Motorcycle are the most used roudways transportation because they are more affordable and more efficient. Motorcycle require good maintenance to keep comfortable uses and maintain motorcycle performance so as to minimize accidents. Motorcycle maintenance can be done by replacing spare parts regularly in the workshop. To support the maintenance of motorcycle, the workshop should provide the best care services including having spare part inventory to suffice customer who maintance of motorcycle. If the workshop has sufficient spare part, the workshop can minimize the cost of ordering and can minimize the damage caused by storage for too long. There are many workshops that provide spare part replacement service such as Yamaha Motor. At Yamaha Motor is having difficulty in determining the spare part inventory for the next month. Inventory forecasting can help to determine the supply of spare part on Yamaha Motor. This research uses backpropagation algorithm for forecasting spare part inventory. The best backpropagation architecture is 9-7-1, which mean 9 input nodes, 7 hidden nodes and 1 output node. The input used is the history of spare part sales the previous month. The average MSE (error value) obtained from the test result is 0.0094506 and the smallest MSE obtained is 0.0085305 with the average difference of the actual value with the forecasting result is 6. At the smallest MSE value, the forecasting result approaches the actual value and has a pattern that almost the same.
Pengembangan Sistem Pelaporan Kerusakan Jalan Otomatis Berbasis Sistem Embedded Hanif Irfan Syah; Fajar Pradana; Bayu Priyambadha
Jurnal Pengembangan Teknologi Informasi dan Ilmu Komputer Vol 3 No 3 (2019): Maret 2019
Publisher : Fakultas Ilmu Komputer (FILKOM), Universitas Brawijaya

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Abstract

The construction of road infrastructure is one program that is being activated by the Ministry of Public Works and Public Housing. Given the many benefits that can be felt by the community and government. But in addition to development, maintenance and repairs are also needed on the highway. Road damage can cause minor injuries to death. Decision making for repair and handling of road damage is often not on target, due to errors in determining priorities caused by the limitations of field officers. Besides that, the handling of road damage seems slow because the recapitulation of the data obtained still uses paper documents, which results in the handling of road damage being prolonged and road damage not being corrected immediately. In this study, a system developed using Raspberry PI microcomputer by applying the GPS sensor, vibration sensor and ultrasonic sensor implanted in motorized vehicles. This sensor will provide information regarding the level of road damage and the location of road damage with the help of the Google Maps API in real time to the relevant officers. So that decision making and handling repair of road damage can be done on target and immediately corrected.
Analisis Dan Perbaikan Proses Bisnis Menggunakan Metode Business Process Improvement (BPI) (Studi Kasus: PT. Wonojati Wijoyo) Tri Susanto; Djoko Pramono; Nanang Yudi Setiawan
Jurnal Pengembangan Teknologi Informasi dan Ilmu Komputer Vol 2 No 12 (2018): Desember 2018
Publisher : Fakultas Ilmu Komputer (FILKOM), Universitas Brawijaya

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Abstract

Wonojati Wijoyo is a company in industrialized furniture of teak. In this company, there are some division that was create for helping so many others short or long terms goals. Accounting and finances is the one of division in this company. There are 3 main steps or processes, the first thing is accountancy finances reports and the reports of employee's salary. The process of this business was getting some seriously problem in accounting and finances division, they always need much time to give the best report and it always exceed of the time was given. As the result, in this division also needs evaluation and repairing for better process in every aspect that what we hope and was given the best solution. The best solution is give the recommendation for the new business process and this process was believing that it was more effective. From the result of value chain analysis and decomposition of business program in reports of employee's salary. Based on evaluation of this program by using five whys analysis methods, the researcher was the main problem is in the absences still using manually program by using check log, but in this condition this manually program was susceptible of dishonest and there was some mistake in the process of recapitulation. Based on this evaluation there was done a treatment by using tools streamlining from Business Process Improvement (BPI). From the result of the recommendation this company has program for changing system of absence by using finger print and lost the old one program of recapitulation absence. From all simulation process of business it was getting a gap around 3 hours 34 minutes with 28.92% percent.
Implementasi Metode Naive Bayes-Certainty Factor Untuk Identifikasi Cedera Pada Pemain Futsal Rhiezky Arniansya; Nurul Hidayat; Ratih Kartika Dewi
Jurnal Pengembangan Teknologi Informasi dan Ilmu Komputer Vol 2 No 12 (2018): Desember 2018
Publisher : Fakultas Ilmu Komputer (FILKOM), Universitas Brawijaya

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Abstract

There are still many futsal players who think that injury can recover quickly without having to go through the right handling. There are injuries that injury can get worse if the initial handling is wrong. That's because the lack of understanding of players about injury. Injury treatment can be done by the physiotherapist but it was hit because of the lack of physiotherapist available for handling. In the research will be made an identification system to reduce these limitations by implementing the method of Naive Bayes-Certainty Factor-based android to diagnose the injury that affects futsal players. The results show that the use of Naive Bayes-Certainty Factor method has accurate results and a good and accurate diagnosis, since the output produced by the system has an accuracy of 88.57%. Hopefully with this application will be able to help the players futsal to know injury or handle injury and add insight about any injuries that can befall him.
Evaluasi dan Perancangan User Interface untuk Meningkatkan User Experience Menggunakan Metode Human-Centered Design dan Heuristic Evaluation Pada Aplikasi Ezypos Anita Putri Novitasari; Herman Tolle; Hanifah Muslimah Az-Zahra
Jurnal Pengembangan Teknologi Informasi dan Ilmu Komputer Vol 3 No 2 (2019): Februari 2019
Publisher : Fakultas Ilmu Komputer (FILKOM), Universitas Brawijaya

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Abstract

EzyPOS is an application to simplify the work of owners of Micro, Small and Medium Enterprises in managing their businesses to be better and organized. The use of the EzyPOS application is the same as the cash register. There are several usability problems in the EzyPOS Application such as button size which doesn't suits the standart so that have an effect on user experience. Recommendations for User interface and User Experience improvement along with the results of evaluation and analysis of both are the objectives of this study An approach that is used is human-centered design (HCD) which is a system design and development approach to make interactive systems more useful by focusing on the use of systems and applying human factors / ergonomics and usability knowledge and techniques. The HCD stages are context specifications, User specifications, design, and design evaluation. Evaluation Method which is used is a Heuristic Evaluation (HE) which is a method for finding usability problems in the User interface by using 3-5 evaluators to examine and assess it in accordance with the applicable usability principles. Improvements are made based on saverity rating. The results of this study are the solution design with the HCD approach which has better usability than the EzyPOS application version 1.0.19. This is indicated by the decrease in number of problems found in the EzyPOS solution design, namely from 20 to 6 problems.
Identifikasi Individu Berdasarkan Sketsa Wajah menggunakan Pendekatan Diskriminatif Harits Abdurrohman; Agus Wahyu Widodo; Anto Satriyo Nugroho
Jurnal Pengembangan Teknologi Informasi dan Ilmu Komputer Vol 2 No 11 (2018): November 2018
Publisher : Fakultas Ilmu Komputer (FILKOM), Universitas Brawijaya

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Abstract

Identifying a person based on his or her characteristics is the work done on the scope of biometrics. For example each individual has a unique characteristic such as a face or fingerprint. Face is the most recognizable feature which used in the field of forensics only by knowing the physical features on its face by witnesess. Discriminative approach used in this experiment is a well-known method, SIFT (Scale Invariant Feature Transform) and MCWLD (Multiscale Circular Weber Local Descriptor)/ Starting from extracting local features from a set of photos and sketches then performed matching using euclidean distance. The result of this experiment proves that SIFT method with configuration of small window size 8 and 32-overlapping sliding window achieves 79.79% identification rate in top-match rank, while for MCWLD with 16-overlapping sliding window configuration and the parameters used are T = 6, M = 4 and S = 3 achieved 82.45% identification rate on top-match rank. Although MCWLD's identification rate are better than SIFT on top-match, but on the overall result or top-rank, SIFT's identification over-perform MCWLD.
Implementasi Konsep Internet of Things pada Sistem Monitoring Banjir menggunakan Protokol MQTT Chrisyantar Hasiholan; Rakhmadhany Primananda; Kasyful Amron
Jurnal Pengembangan Teknologi Informasi dan Ilmu Komputer Vol 2 No 12 (2018): Desember 2018
Publisher : Fakultas Ilmu Komputer (FILKOM), Universitas Brawijaya

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Abstract

In general, Internet of Things can be interpreted as connecting various objects around with an internet network. To implement it, the Internet of Things requires a communication path to suit the needs of the system. One protocol that suits the application of the concept of Internet of Things is the Message Queue Telemetry Transport (MQTT) protocol. The MQTT protocol is often used in systems that use the concept of the Internet of Things, one of which is the monitoring system. One aspect of life that requires a monitoring system is a natural disaster. From various natural disasters that occurs Indonesia, Flood is a natural disaster that quite often hit many cities in Indonesia. Therefore, this research implements the concept of Internet of Things on flood monitoring system using MQTT protocol. Based on test results, it is concluded that MQTT protocol can be used in flood monitoring system. The accuracy of the system is 97.801% with obtained standard deviation is ± 0.0309 cm. In scalability testing, obtained the average percentage of success rate of 100%, 99.87% and 99.93% on thread trials 100, 250 and 500, which each performed 3 times. And on data integrity testing, the MQTT protocol obtains the same 100% data in each experiment with intervals of 10ms, 100ms and 1000ms.
Implementasi Desain Interaksi pada Alat Ukur Berat dan Panjang untuk Menentukan Status Gizi Bayi Erdano Sedya Dwiprasajawara; Mochammad Hannats Hanafi Ichsan; Hurriyatul Fitriyah
Jurnal Pengembangan Teknologi Informasi dan Ilmu Komputer Vol 2 No 11 (2018): November 2018
Publisher : Fakultas Ilmu Komputer (FILKOM), Universitas Brawijaya

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Abstract

A good nutritional status of infants will support their growth and development. One of the most important ways to monitor the nutritional status of infants is to know their lenght and weight nutritional status. To simplify the process of classifying the nutritional status of infants, this research will be made a device that can measure the nutritional status of infants by applying the principles of interaction design so that a device can match what the user needs, easing the user, and provide the comfort for user when it being used. This baby's nutritional measurement device using Arduino uno for processing the data and has several input function to enter baby's age and sex by using the keypad, measuring length and weight of infant by using ultrasonic sensor and load cell sensor, and ouput function in the form of result of classification of nutrient status and baby's weight on the LCD screen. On the device performance obtained average duration of 31.80 seconds to complete the entire process of nutritional status measurement. The interaction design of baby scales was tested using several usability principles that are leranability and robustness which get an average value of 4 which means agree from the likert scale 1-5 on the questionnaire, it can be concluded that this tool has a high level of usability.

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