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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 146 Documents
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Search results for , issue "Vol 2 No 9 (2018): September 2018" : 146 Documents clear
Analisis Pemakaian Energi Pada Sensor Node Dengan Protokol Komunikasi Zigbee Menggunakan Solar Cell Nur Cahyo Utomo; Rakhmadhany Primananda; Reza Andria Siregar
Jurnal Pengembangan Teknologi Informasi dan Ilmu Komputer Vol 2 No 9 (2018): September 2018
Publisher : Fakultas Ilmu Komputer (FILKOM), Universitas Brawijaya

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Abstract

Communication protocol on OSI Layer standardization, divided into several layers among them is data link layer. This layer divided into sub layers, one of which is MAC (Medium Access Control) used to transmit signals owned by nodes connected to the network without any conflict. Zigbee is one of the standardized communication protocols on the MAC sub layer that are known to be reliable and low power. With zigbee, the researcher has the idea of ​​analyzing the power consumption level when this protocols are communicates. The communication system between the nodes was tested using xbee s-1 with arduino uno as microcontroller, and because xbee s-1 low power researchers gave solar cells as resources. Solar cells are used because they have self charging capabilities. System testing includes, changes in environmental conditions when nodes communicate. The last step in this research is to analyze the result data from the test to conclude the result of the research. The result of this research is zigbee communication using solar cell resources can be used in areas where the air temperature is stable and there are heat sources. The power of calor can provide arduino microcontroller power and xbee s-1 module to be used in communicating. Changes in working environment in the form of distance, delivery of packets, temperature, and time intervals applied by researchers can affect the level of power consumption. Researchers recommend environmental conditions that are used so that the system can be run optimally. The use of the zigbee protocol would be optimal if used at a distance of 60-70 m, data transmission by 60 - 80 bytes, temperatures at <30 and> 20 ° celcius, and time intervals 25-35 seconds.
Sistem Monitoring RPM Roda Smart Wheelchair Pada Halaman Web Berbasis Ajax Menggunakan Sensor Optocoupler Afdy Clinton; Dahnial Syauqy; Fitri Utaminingrum
Jurnal Pengembangan Teknologi Informasi dan Ilmu Komputer Vol 2 No 9 (2018): September 2018
Publisher : Fakultas Ilmu Komputer (FILKOM), Universitas Brawijaya

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Abstract

The difference in the speed of an electric motor can produce an unsuitable output. The use of two electric motors with different speeds to move the wheels of a smart wheelchair or a robot car causes the device to move in the direction that is not intended. Based on these problems, it needs a wireless RPM monitoring system in order to know the speed difference between the two motors or both wheels with ease. This study focuses on knowing the RPM of both wheels smart wheelchair by using incremental encoder. 2 Optocoupler Sensors and 2 encoder disks with 20holes is implemented in the smart wheelchair to know the RPM value of each wheel. The Optocoupler sensor is used to detect how many holes are detected in 1sec, so the RPM of the motor or wheel can be known. Based 50 tests ​​of the Optocoupler Sensor on the right side of the prototype obtained an average percent error of 0.92% and the left side obtained 0.87%. Based on 10 tests of Sensor Optocoupler on the right side on smart wheelchair obtained an average percent error of 2.00% and left side obtained 2.06%. The connection status of NodeMCU WiFi when connected to a laptop at a distance of 10-50meter is connected and the connection status at a distance of 60-70meter is disconnected.
Analisis Kualitatif pada Situs Website Forum Diskusi Menggunakan Usability Testing (Studi Kasus: www.dictio.id) Tony Effendi; Himawat Aryadita; Adam Hendra Brata
Jurnal Pengembangan Teknologi Informasi dan Ilmu Komputer Vol 2 No 9 (2018): September 2018
Publisher : Fakultas Ilmu Komputer (FILKOM), Universitas Brawijaya

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Abstract

Website dictio is a community to share, learn, discuss intelligently, critically, and courteously through online media. Based on the interviews to stakeholders of dictio parties, it is found that dictio website has a problem, which is the use of features contained in the website dictio like the use of language. The purpose of this usability testing is to measure the quality level of the website and it can be a material improvement proposal for dictio developer team. Data collection used in this research is by using questionnaires, giving test assignments, and conducting interviews after testing dictio website. From the test results, it can be obtained that the usability value of the Effectiveness criteria is 78%, then 75% for usability level value of Usefulness, 31% for usability level value of Satisfaction, and then 75% for usability level value of Efficiency. In the use of language in dictio website, the result of the interview showed that partisipants prefer using two languages, namely Indonesian and English, and for like lending features, partisipants prefer using thumb up. Hereafter, we suggest improving usability criteria in each category. There are two recommendations improvement for usability criteria value of Effectiveness, one recommendation improvement for usability criteria value of Usefulness, five recommendations improvement for usability criteria level of Satisfaction, and last two recommendations improvement for usability criteria Efficiency.
Implementasi Komputasi Paralel dalam Pergerakan Lengan Robot Menggunakan Inverse Kinematic Tezza Rangga Putra; Rizal Maulana; Wijaya Kurniawan
Jurnal Pengembangan Teknologi Informasi dan Ilmu Komputer Vol 2 No 9 (2018): September 2018
Publisher : Fakultas Ilmu Komputer (FILKOM), Universitas Brawijaya

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Abstract

The method of conventional robotic arm motion is by forward kinematic, which moves by determining the time of deviation of each joint to reach a point. Unlike the forward kinematic, inverse kinematics move by determining the angle required to perform a motion. Forward kinematics is considered as method that utilizes trial and error, this method become less effective because it takes a long time. Meanwhile, inverse kinematic offers more practical solution with more complex computing calculations. With the development of microcontroller complexity on calculation inverse kinematic can be done more quickly by using parallel computing that can take advantage of all the existing cores on the microcontroller. openMP is a C ++ program directory that describes the use of application program interfaces to perform parallel computations in multiple memory environments. openMP becomes one of the programs that can be utilized to perform parallel computing. The result is, openMP able to divide the program so that the Squential program imposes its process on core 1 (30.74%). But in the parallel program the process load fairly even distributed, although it looks more burdensome to core 2 (30,7%) and 3 (20,38%). Accuracy calculation results from both methods are same, both have same nois and error that is equal to 0.4 cm from x axis, 1.5 cm from y axis and 1.06 cm from z axis. In addition, the error also occurs at the servo angle, where the average error in 1st servo is 1o, at the 2nd servo is 1.24o, and at the 3rd servo is 4.1o. When compared to speed, the parallel method performs all tasks faster than squential by 20 seconds (36.4% of the sequential time) for 4 servos and 10 seconds (22.2% of the squared time) for 3 servos.
Analisis Sentimen pada Ulasan Hotel dengan Fitur Score Representation dan Identifikasi Aspek pada Ulasan Menggunakan K-Modes Muhammad Hafiz Azhar; Putra Pandu Adikari; Yuita Arum Sari
Jurnal Pengembangan Teknologi Informasi dan Ilmu Komputer Vol 2 No 9 (2018): September 2018
Publisher : Fakultas Ilmu Komputer (FILKOM), Universitas Brawijaya

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Abstract

As the number of review is rising, there is a need to make a system that can do classify a review belong to which class, in this case there are positive and negative classes. Furthermore, we also need to know what aspect that commented in the review. In this research, sentiment analysis at aspect level, Bag of Nouns feature has been used for clustering to get aspect and sentiment classification with score representation feature to classify sentiment. With categorical attribute for Bag of Nouns feature, K-Modes is considered capable for clustering. In sentiment classification, score representation has been used for LVQ2 that can handle the correlation between attribute and also become alternative for another machine learning algorithm. Based on the evaluation with Silhouette Coefficient, the optimal number for clustering balanced data set is 7 and 5 for unbalanced data set. Based on the evaluation with precision, recall, and f1-score, the performance of the balanced data set are 89,2% for precision, 89,13% for recall, and 89,12% for f1-score. The evaluation for unbalanced data set are 87,38% for precision, 73,07% for recall, and 76,46% for f1-score. It can be concluded that score representation can be used for sentiment analysis.
Rekomendasi Lokasi Pet Shop Di Kota Malang Menggunakan Metode Analytical Hierarchy Process (AHP) Simple Additive Weighting (SAW) Ghiffary Rizal Hamdhani; Edy Santoso; Indriati Indriati
Jurnal Pengembangan Teknologi Informasi dan Ilmu Komputer Vol 2 No 9 (2018): September 2018
Publisher : Fakultas Ilmu Komputer (FILKOM), Universitas Brawijaya

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Abstract

Nowadays raising animals like cats is like a lifestyle, sometimes many people think of the pet as family. Therefore pet owners always give the best care to the animals. This system uses one of the methods in the Decision Support System. Decision Support System is a computer-based system that can assist a person in improving its performance in decision making. By using one of the methods in the Decision Support System, it is expected to help solve problems that are in semi-structured areas such as the above problems. In this system will use the method of Analytical Hierarchy Process (AHP) and Simple Additive Weighting (SAW). Analytical Hierarchy Process (AHP) is a method used to solve an unstructured complex situation into several components within hierarchical groups, by assigning subjective values and determining which variables have the highest priority to influence the outcomes in those situations . Simple Additive Weighting (SAW) is used for ranking.. Based on the results of the test can be analyzed that the AHP and SAW method is quite effective used in the recommendation process. The result of accuracy testing on custody service is 72,72% while accuracy testing of grooming service equal to 75%.
Analisis Pengalaman Pengguna pada Website E-Commerce (Studi pada klikindomaret.com dan alfacart.com) Wilda Kusnawati; Retno Indah Rokhmawati; Aditya Rachmadi
Jurnal Pengembangan Teknologi Informasi dan Ilmu Komputer Vol 2 No 9 (2018): September 2018
Publisher : Fakultas Ilmu Komputer (FILKOM), Universitas Brawijaya

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Abstract

The use of e-commerce in Indonesia became one of the proof of business development in Indonesia that began to move online. The number of use in e-commerce makes two companies engaged in the field of minimarkets indomaret and alfamart start to create their website. This study aims to compare two e-commerce that has characteristics and business processes are the same in how them facilitating users from the usability side also from user experience side with using media website klikindomaret and alfacart. There are 2 method of analisys to analyze the data that was subjectively by distributing Questionnaire from User Experience Questionnaire (UEQ) which has 6 aspects: attractiveness, efficiency, perspicuity, dependability, stimulation and novelty to 20 respondents and objectively by testing the respondent directly in website usage using scenario with parameter task success rate, time per completed task, number of clicks during task competence and error during task performance to 6 respondents. Respondents are students from 18-24 years old who have never operated these two websites. The results of the analysis showed that in the subjective research the respondents gave positive tendency impression with the average value reaching the positive level (good). For objective research shows a high success rate of respondents even though they are the first time to operate the website.
Rancang Bangun Automatic Water Filling Tub System Menggunakan Algoritma Fuzzy Mamdani Siti Nafiah; Mochammad Hannats Hanafi Ichsan; Tibyani Tibyani
Jurnal Pengembangan Teknologi Informasi dan Ilmu Komputer Vol 2 No 9 (2018): September 2018
Publisher : Fakultas Ilmu Komputer (FILKOM), Universitas Brawijaya

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Abstract

The water is very important things in human life. That role we can see from the level of human needs, especially when the human using the water in everyday life. But it is unfortunately if that water are waste every day because the human are negligence for himself. Today when the human charge their bathub home there are still use the principle of charging manually, it means still require the human power to operate it. Because those human still use the principle of charging manually it will be less efficient, less saving time, and less saving. In this research we made an Automatic Water Filling system which using the Fuzzy Mamdani logic method. The inputs in this system consists of 3, there are, the water level input from the HC-SR04 ultrasonic sensor, the amount of water which released will calculated using the waterflow sensor G1 / 2, and then calculates the tube size volume obtained from user input using the 4x3 keypad. And then, it will be processes by Arduino Uno Microcontroller and the output system will be displayed on the LCD. The implementation of Fuzzy Mamdani logic in automatic filling bathub consists of four stages there are, Formation of fuzzy set, Application function implication, Composition rule, and Defuzzification. The output on this system is the duration time when filling the bathtub. The success rate of Fuzzy logic we can see by comparing the output value from the system with MATLAB. The average accuracy output system is 94.90%.
Peringkasan Teks Otomatis Secara Ekstraktif Pada Artikel Berita Kesehatan Berbahasa Indonesia Dengan Menggunakan Metode Latent Semantic Analysis Nurina Savanti Widya Gotami; Indriati Indriati; Ratih Karika Dewi
Jurnal Pengembangan Teknologi Informasi dan Ilmu Komputer Vol 2 No 9 (2018): September 2018
Publisher : Fakultas Ilmu Komputer (FILKOM), Universitas Brawijaya

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Abstract

Increasing the amount of digital data quickly each year, one of which is text data of documents that can be text news articles can make it difficult for the reader to understand all the information so as to affect the acquisition of accurate information and need a longer time to extract an information on a document. Therefore, it is necessary to have an automatic extract text extracting system in Indonesian language health articles in order to help the reader or user to facilitate the process of extraction of information in the document with a fast, concise and clear time. This study uses the latent semantic analysis (LSA) method which is a method that extracts semantic structure or hidden meaning in a sentence and produces a general or broad meaningful summary. The LSA method uses the linear value decomposition (SVD) linear algebra approach by forming a representation matrix of term associations which are words in the closely related document of the TF-IDF calculation process. The LSA cross method is used to construct a summary sequence in the summary extraction stage. Tests of this research resulted that the result of text summary with LSA method obtained the accuracy value of precision, recall and f-measure in consecutive order at compression rate 50% with value 0.668, 0.743, 0.700 and 0.690 while at compression rate 40% equal to 0.696, 0.605 , 0.642 and 0.663.
Rekomendasi Penentuan Prioritas Sistem Informasi di BNN Kota Malang Menggunakan Metode EasyWinWin Aziza Zuhroh Sya&#039;bandiyah; Mochamad Chandra Saputra; Djoko Pramono
Jurnal Pengembangan Teknologi Informasi dan Ilmu Komputer Vol 2 No 9 (2018): September 2018
Publisher : Fakultas Ilmu Komputer (FILKOM), Universitas Brawijaya

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Abstract

BNN Malang is a vertical institution that has a purpose to conduct the program of Prevention, Eradication, Abuse and Illicit Circulation of Drugs or we can call it by P4GN, especially in Malang. It consists of the head, the general subsection, the prevention and empowerment section of the community, the rehabilitation section and the eradication section. Based on interview data, it is found that there are difficulties in determining the priority of information system needs in BNN Malang. This is because no experts in the field of information technology and the needs of each different section. Therefore it is necessary to conduct analysis in determining the priority needs of information systems in BNN Malang. The EasyWinWin method is used to negotiate collaboratively and prioritize. The purpose of this research is to get recommendation of information system become priority in BNN Malang to be developed or built. The result of recommendation of information system priority determination in BNN Malang as a whole is a system of reporting activity information done daily and weekly recap, which result of weekly report with extension .ppt. In addition, it generates priority recommendations of the information system in each section or subsection.

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