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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.
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Articles 32 Documents
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Search results for , issue "Vol 4 No 2 (2020): Februari 2020" : 32 Documents clear
Evaluasi Pengalaman Pengguna Aplikasi Grab Driver menggunakan Metode UX Curve Nurina Ayuningtyas; Hanifah Muslimah Az-Zahra; Buce Trias Hanggara
Jurnal Pengembangan Teknologi Informasi dan Ilmu Komputer Vol 4 No 2 (2020): Februari 2020
Publisher : Fakultas Ilmu Komputer (FILKOM), Universitas Brawijaya

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Abstract

Grab Driver is an application used by driver partners to do their jobs every day. In its effort to adapt the application to the needs of the driver partners, Grab made various updates to the application. Updates made to this application invite responses from users. This study then aims to identify the effect of these feature changes on user experience by evaluating long-term user experience using the UX Curve method. At the data collection stage, 100 curves were produced which were divided into 5 points of view, namely attractiveness, degree of usage, ease of use, and utility.. The results of data collection are 63 improving curves, 10 deteriorating curves, and also 27 stable curves. The total reason generated was 592 reasons with an average of 29.6 reasons per respondent (20.7 positive, and 8.9 negative N = 20). In all dimensions there is one feature that always gets positive comments namely the auto-accept feature. The existence of this feature has a positive impact on the Grab Driver application user experience. The most influential aspect of the Grab Driver application is the utility aspect with an average of 11.65 reasons stated by each user (7.45 positive and 4.2 negative, N = 20), and the least is the motivational aspect with an average of 5, 55 reasons (4.15 positive and 1.4 negative, N = 20). This indicates that to improve user experience, the most influential aspect is the utility aspect
Sistem Penghitung Stroberi Matang di Kebun berdasarkan Hue dan Saturation menggunakan Algoritme Watershed berbasis Raspberry Pi Putri Harviana; Hurriyatul Fitriyah; Eko Setiawan
Jurnal Pengembangan Teknologi Informasi dan Ilmu Komputer Vol 4 No 2 (2020): Februari 2020
Publisher : Fakultas Ilmu Komputer (FILKOM), Universitas Brawijaya

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Abstract

Strawberries are fruits that contain many benefits, so strawberries are widely cultivated in Indonesia. In the cultivation, farmers pay attention to the productivity of strawberries in terms of excess quality. Farmers are still counting strawberries conventionally or manually so they ask for a long calculation time. In addition, farmers have never received their harvest now. Therefore, farmers need tools that can help and provide in agriculture known as modern agriculture or modern agriculture. Existing modern agriculture in Indonesia such as rice planting and automatic harvesting equipment, soybean dryers, pesticide sprayers, superior seed sorting machines, and so on. To make a tool that suits the needs of strawberry fruit farmers, researchers developed a mature strawberry counter system in the garden based on hue and saturation values. The hue and saturation values ​​are used because both of these values ​​can overcome the change in light intensity and can be used to detect obsolete strawberries based on the skin color of the fruit. The system uses a watershed algorithm to separate the attached or attached strawberries so that they are counted as different objects. This system is based on Raspberry Pi because it can process images quickly. With this tool it is expected to be used to predict crop yields. The harvest prediction can be used to help the work of farmers in their crops, so farmers can improve the quality of the crop every year. It is hoped that further system development can facilitate farmers to pick strawberries released in the gardens carried out by robots. On the test results obtained by the system, obtained an accuracy rate of 82% with an average calculation time of 7558.1 milliseconds.
Implementasi Akuisisi Data Biosignal Manusia dengan Mekanisme Store-Forward Pada Perangkat Smartwatch Berbasis Wear Os Menggunakan Protokol Komunikasi Bluetooth Low Energy Apriyanto J.P.L Tobing; Adhitya Bhawiyuga; Dany Primanita Kartikasari
Jurnal Pengembangan Teknologi Informasi dan Ilmu Komputer Vol 4 No 2 (2020): Februari 2020
Publisher : Fakultas Ilmu Komputer (FILKOM), Universitas Brawijaya

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Abstract

The most important thing from IoT Smart Healthcare in measuring a patient's health condition is the ability to acquire the patient's biosignal data. Wearable smartwatch devices can be used to acquire biosignal data in the form of heartbeats and data in the form of the number of footsteps to acceleration. However, data acquisition cannot be done for a long time due to the computational and resource limitations of the device. A strategy is needed in acquiring data so that data acquisition is still be done optimally. The proposed strategy for resolving these problems consists of applying the indirect model and the store-forward method. In the indirect model, a gateway is developed on a smartphone device and uses the BLE and MQTT communication protocols. The store-forward method is applied to smartwatch devices so that data acquisition continues even though it cannot connect directly to the gateway device. This research successfully implemented the proposed system. The test results provide a ratio of the success of sending data from sensor nodes to the cloud of 0.998. This success value is influenced by the MQTT protocol, because the success value of sending data using the BLE communication model of 1 for each test scenario. Projected increase in memory every 15 minutes when acquiring data using the store-forward method of 100 KB and data entry of 2,340. There are differences in the delay in each communication protocol. In communication with BLE, the delay during the sending process varies but is stable with an average of 1.13 seconds.
Implementasi Pemilihan Master Berdasarkan Kapasitas Energi Menggunakan Metode Bully Leader Election pada JSN Berbasis LoRa Ardi Rahmad Hermanto; Mochammad Hannats Hanafi Ichsan; Adhitya Bhawiyuga
Jurnal Pengembangan Teknologi Informasi dan Ilmu Komputer Vol 4 No 2 (2020): Februari 2020
Publisher : Fakultas Ilmu Komputer (FILKOM), Universitas Brawijaya

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Abstract

Wireless Sensor Networks are a series of nodes. That's nodes will make a network. On this network, there is a Master node that works to collect data from all nodes in the network. If the Master node dies then the distribution process will stop. To overcome this we need an algorithm that can overcome these problems. Bully Leader Election applies an algorithm to select leaders with the highest authority among other nodes. The selection is made by checking the energy capacity of each Slave node and then the Slave node with the largest energy capacity is selected as the Master node. The system is implemented on nodes with the LoRa communication protocol. Each selection process will have the same time slot so sending messages do not clash with each other. The choice of the Master node will be influenced by the energy capacity of each node. The more energy that is owned, the life of a node will be longer. By utilizing the energy capacity in the selection of new masters, it is hoped that the possibility of dead Master nodes will be smaller.
Implementasi Sistem Pendeteksi Premature Ventricular Contraction (PVC) Aritmia Menggunakan Metode K-NN Sulthan Ghiffari Awdihansyah; Rizal Maulana; Hurriyatul Fitriyah
Jurnal Pengembangan Teknologi Informasi dan Ilmu Komputer Vol 4 No 2 (2020): Februari 2020
Publisher : Fakultas Ilmu Komputer (FILKOM), Universitas Brawijaya

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Abstract

The condition when the heart beats early is called the Premature Ventricular Contraction (PVC) Arrhythmia. Arrhythmia PVC conditions occur in the left ventricle of the heart. Almost every human will experience PVC arrhythmia during his lifetime. Arrhythmia PVC conditions that occur in a long time span can increase the risk of heart disease that leads to death. Examination of arrhythmia PVC conditions cannot be done independently and is quite expensive. AD8232 ECG Sensor Module, LCD 16x2, and Arduino Mega Microcontroller are used to detect PVC arrhythmia conditions. The K-NN classification method is used to classify 1 heartbeat cycle signal. The results of the K-NN classification are in 2 classes, namely the "Normal" class and the "PVC" class. The QRS Complex and Gradient R values of 1 heartbeat cycle signal will be used as parameters. heart conditions "Normal", "Bigeminy", "Trigeminy" are the output produced by the system. A total of 46 data were used as training data and as many as 23 data were used as test data in the classification of the K-NN method. The average value of program computation time is obtained by performing 10 times of program computation time testing. An accuracy value of 91.3% was generated from the results of the K-NN method classification accuracy testing. Testing the computational time of the program produces an average value of computing time of 1988.9ms.
Pengembangan Aplikasi Perangkat Bergerak Rekomendasi Tempat Latihan Beladiri di Malang dengan GDSS dan LBS Berbasis Android Djohansyah Putra; Ratih Kartika Dewi; Lutfi Fanani
Jurnal Pengembangan Teknologi Informasi dan Ilmu Komputer Vol 4 No 2 (2020): Februari 2020
Publisher : Fakultas Ilmu Komputer (FILKOM), Universitas Brawijaya

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Abstract

Martial arts are a method by which individuals can protect themselves from increased danger. There are several types of martial arts in Indonesia, both original Indonesian martial arts, namely pencak silat or various important martial arts from other countries such as karate, judo, taekwondo, and capoeira. Martial arts venues in Malang are scattered in several districts, along with the times of the type of martial arts are also increasingly diverse. With so many types and places of martial arts, it arises for people who want to practice to choose a martial arts place in accordance with their wishes. Application recommendations for martial arts practice sites have been built on previous research, but only for single users, whereas in reality the selection of martial arts practice sites is sometimes done not alone and done in groups. So we need an Android-based mobile application that can recommend martial arts practice sites in Malang that are in accordance with user criteria and are done in groups. Application recommendation for martial arts practice sites in Malang is designed with an Android-based Group Decision Support System and Location Based Services using TOPSIS (Technique for Order Preference by Similarity to Ideal Solution) and Borda algorithms with criteria in the form of distance between users and martial arts practice sites, training costs in one month, and the amount of exercise time in one week. The results of testing the application using Blackbox are worth 100% and the functionality is declared valid. Other tests conducted are algorithm validation testing, where testing is done by comparing the outputs of the system with manual calculations. The results of the application output and manual calculations are 100%, and usability testing, where testing is done to determine the quality of the software interface. The application usability test results got a value of 73.5 indicating a Good rating for the adjective rating and grade B- on percentile rank, so it is stated that the application can be accepted by the user.
Pengembangan Aplikasi Perangkat Bergerak Jadwal Olahraga Outdoor berdasarkan Waktu dan Kondisi Cuaca menggunakan Metode Location Based Service, Dark Sky API dan Android Alarm Manager Alva Yonara Puramandya; Agi Putra Kharisma; Tri Afirianto
Jurnal Pengembangan Teknologi Informasi dan Ilmu Komputer Vol 4 No 2 (2020): Februari 2020
Publisher : Fakultas Ilmu Komputer (FILKOM), Universitas Brawijaya

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Abstract

Outdoor exercise is exercise that is done outdoors. Outdoor exercise is very good for mind and body. The problem that often occurs when it comes to exercising outdoor is bad weather. In addition, we need to pay attention to the right time because the ray of the sun does not always nourish the body. As a result of these problems make people lazy to exercise. Based on this problem, researcher had developed a mobile application that can provide outdoor exercise schedule to the user. Application was developed by using Waterfall method which is one of the approaches to Software Development Lifecycle (SDLC). In this application Location Based Service (LBS), Dark Sky API, and Android Alarm Manager are implemented. In system testing, researcher used black box and usability testing. The result of black box testing is 100% valid. System Usability Scale (SUS) method was used in Usability Testing which obtained a score of 77. From the result of the score, the application is in the category of acceptability Acceptable, grade C, and adjective rating Good.
Evaluasi Usability pada Aplikasi Mobile GOBIS Suroboyo Bus dengan Metode Usability Testing Yulie Fauzanah; Aditya Rachmadi; Niken Hendrakusma Wardani
Jurnal Pengembangan Teknologi Informasi dan Ilmu Komputer Vol 4 No 2 (2020): Februari 2020
Publisher : Fakultas Ilmu Komputer (FILKOM), Universitas Brawijaya

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Abstract

GOBIS Suroboyo Bus is an application developed by Dinas Perhubungan Surabaya to monitor Bus movements in real time and to know the distance between stops. Based on the findings on the Playstore there are user complaints that affect the usefulness of such applications, the GOBIS application does not provide the clock information or the arrival time of the bus, not according to the position of the bus on the application by the field, To get stop information and travel routes users need to zoom-in so it takes a while. Therefore, the usability test is done to get a deepening problem regarding usability and measuring the user's ease of access to an application. To test the usability of GOBIS application is done 2 times to five aspects, namely learnability, efficiency, memorability, error, and satisfaction using questionnaires. Achieved usability test results on the learnability aspect of 1.28 from the first and second Test comparisons. Efficiency aspect of 63.77%. The memorability aspect is experiencing improvements in the capabilities of the number of clicks and step counts. For satisfaction aspect obtained 65.25% from SUS questionnaire results.
Sistem Monitoring Lingkungan Rumah Cerdas berbasis Fog Computing dan nRF24l01 Dwiki Nuridhuha; Mochammad Hannats Hanafi Ichsan; Rizal Maulana
Jurnal Pengembangan Teknologi Informasi dan Ilmu Komputer Vol 4 No 2 (2020): Februari 2020
Publisher : Fakultas Ilmu Komputer (FILKOM), Universitas Brawijaya

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Abstract

Smart home technology is important to implement, but many smart devices can influence data exchanges between nodes, impacting communication performance between nodes or to the Internet on smart home devices. Therefore, the application of fog computing to handle Internet access constraints. While nRF24l01 can be applied to handle data exchange between nodes. The research consists of two sensor nodes, one sink/gateway node, and one fog node. The diffuser focuses on the performance measurements of nRF24l01 in the Fog computing environment, the parameters measured in the form of delay, throughput, packet loss and RTT (round trip-time) and time variation of delivery to the cloud. In this study the way of decomposition of performance is done by placing each node with each of the distance of multiples of 4 meters in the environmental conditions there is a barrier, and there is a barrier. From the test that has been done in the results can be the farthest delivery distance for the barrier is 28 meters, while without an obstacle of 44 meters. For delay performance, throughput, RTT (round trip-time) either without or there is a barrier and at any distance the performance value is not affected, but the performance of the packet loss more obstructions and away the data transmission will also increase the value of the packet loss. For variations of time to transfer data to the cloud either without or there is a barrier and at any distance do not undergo many changes.
Pengaruh Kualitas Layanan Terhadap Kepuasan Pelanggan dan Loyalitas Pengguna MyTelkomsel Dengan Menggunakan Model E-Service Quality dan E-Recovery Service Quality (Studi Kasus : Pengguna Aplikasi MyTelkomsel Malang) Fauzan Adi Laksono; Satrio Hadi Wijoyo; Andi Reza Perdanakusuma
Jurnal Pengembangan Teknologi Informasi dan Ilmu Komputer Vol 4 No 2 (2020): Februari 2020
Publisher : Fakultas Ilmu Komputer (FILKOM), Universitas Brawijaya

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Abstract

MyTelkomsel is a self service application launched by Telkomsel that is useful for facilitating its customers. However, MyTelkomsel still gets complaints from users. These complaints are found in the Playstore review column and could be a failure of the login process, a failure of transaction process, and customer dissatisfaction about online customer service. This study aims to determine what factors in the service quality of MyTelkomsel that can affect customer satisfaction and user loyalty of MyTelkomsel in Malang. The models used in this study are E-Service Quality and E-Recovery Service Quality. This study used a sample of 102 respondents that used MyTelkomsel application and are domiciled in Malang. The sampling technique used in this study was purposive sampling. Data was collected by distributing questionnaires directly to respondents in the Grapari Telkomsel Malang office. Data analysis used in this study are multiple linear regression and simple linear regression models. From this research, it was found that the efficiency and privacy variables had a significant effect partially on customer satisfaction and customer satisfaction had a significant effect partially on user loyalty.

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