Judul: Pengembangan Sistem Pengelolaan Smart Algae Pond Berbasis Web Menggunakan Metode Prototyping
Abstrak: Sistem informasi Smart Algae Pond merupakan sistem yang telah dikembangkan oleh beberapa peneliti sebelumnya. Sistem ini diharapkan dapat membantu proses budi daya mikroalga dari jarak jauh, mulai dari proses produksi, monitoring, pemeliharaan, hingga proses pemanenan. Namun, sistem ini masih belum bisa melacak lokasi kolam dan perlu dilakukan pengembangan terhadap fitur untuk memantau data sensor secara realtime dari perangkat IoT. Penelitian ini bertujuan untuk membangun modul pelacakan kolam dan pemantauan data sensor dengan metode prototyping menggunakan framework Laravel pada sisi back-end dan framework Vue.js pada sisi front-end. Sistem yang dikembangkan pada penelitian ini sudah dilakukan pengujian dengan metode blackbox testing dan pada pengujian iterasi terakhir, sistem telah memenuhi semua kebutuhan pengguna dan sudah cukup untuk dapat digunakan., The Smart Algae Pond information system is a system that has been developed by several previous researchers. This system is expected to help the process of cultivating microalgae remotely, from the production process, monitoring, maintenance, to the harvesting process. However, this system is still unable to track pond locations and requires further feature development to monitor sensor data from IoT devices in real-time. This study aims to build a pond tracking module and sensor data monitoring using the prototyping method and using the Laravel framework on the back-end and the Vue.js framework on the front-end. The system developed in this study has been tested using the blackbox testing method and in the last iteration of testing, the system has met all user requirements and is sufficient to be used.
Keyword: Laravel, mikroalga, prototyping, Smart Algae Pond, Vue.js

Judul: Development of Web-Based System Maintenance and Monitoring Front-End System for ISURF Lab Tools
Abstrak: Terdapat banyak metode penanaman tumbuhan untuk mendapatkan hasil panen dengan kualitas yang beragam. Namun belum dapat dipastikan cara mendapatkan hasil panen yang berkualitas tinggi secara terus menerus karena tidak adanya pemantauan dan pemeliharaan terhadap objek secara langsung. Untuk mengatasi masalah tersebut, maka akan disediakan wadah untuk peneliti agar dapat melakukan pemantauan dan pemeliharaan supaya mendapatkan hasil panen dengan kualitas tinggi. Penelitian ini berfokus pada pembuatan front-end sistem monitoring berbasis web dengan menggunakan data sensor yang sudah menggunakan teknologi internet of things. Tujuan dari penelitian ini adalah mempermudah kinerja peneliti dalam melakukan pemantauan objek pada lab ISURF dari jarak jauh. Perancangan web dilakukan menggunakan framework Laravel 7.2 dengan API untuk integrasi backend. Keluaran dari penelitian ini adalah grafik data real time yang membaca data sensor dengan dikembangkannya sistem monitoring pada lab ISURF dengan melakukan pengujian secara black box dengan hasil uji bahwa sistem dapat berjalan 100% dengan benar sesuai dengan kebutuhan utama pengguna dan sistem. Metode yang digunakan adalah metode Waterfall., There are many methods of growing plants to get yields with varying quality. However, it can not be ascertained how to get high-quality crops continuously because there is no direct monitoring and maintenance of objects. To overcome this problem, it will be provided for researchers to be able to carry out monitoring and maintenance in order to get high quality crops. This research is mainly focus on front-end web based system by using sensor data that related with internet of things technology. The purpose of this research is to help researcher in monitoring object in lab ISURF remotely. This research is builded by Laravel 7.2 for the framework combined with API for backend integration. The output of this research is a real time data graph that reads sensor data with the development of a monitoring system in the ISURF lab by conducting black box testing with test results that the system can run 100% correctly according to user and system needs. This percentage figure is because there are still some functions that have not been made so that the system can be more efficient and effective, such as the notification function. The method used is the Waterfall method.
Keyword: front-end, internet of things, lab ISURF, monitoring system, web

Judul: Thermal Characteristics and Dynamics of Tropical Cyclone over Western North Pacific Ocean: A Case Study of Typhoon Songda (Chedeng) 2011
Abstrak: The frequent occasion of Tropical Cyclone (TC) over Western North Pacific (WNP) Ocean lies from 10˚N to 26˚N and 121˚E to 170˚E. Sources of TC development come from warm ocean temperature where latent heat is released during condensation processes and subsequently concentrated in the boundary layer. Relative humidity at 850-700 hPa is responsible to produce the most intense storm. Meanwhile, weak vertical wind shear between 850-200 hPa is one of the dynamical factors that lead to the development of TC. Pressure level of 850-200 hPa is chosen to minimize the thermodynamic effect in the lower troposphere. Typhoon Songda (Chedeng in the Philippines) or TSC lasted from May 18th to 30th, 2011 and strengthened into powerful Super Typhoon stage between May 24th and 27th. Long curving track and the exhibition of all sequences of TC life cycle, TSC is then considered as an ideal case of TC. The objective of the study with case of TSC is to investigate the role of thermal characteristics and dynamics on TC intensity. The research is carried out by using Advanced Research of Weather Research and Forecasting model (WRF ARW model) version 3.3. Two domains are employed in the model. The first domain situate from 02˚N to 40˚N and 118˚E to 149˚E and cover spatial resolution () of 33.1 km. The second domain situate from 09˚N to 27˚N and 119˚E to 132˚E with of 11 km. Timestep of the model () is 120 seconds. The model is supported by the following physical parameterization, i.e., Yonsei University Scheme (YSU) in the boundary layer, Kain-Fritsch scheme (KF) in the cumulus, and WRF Single-Moment 3-class scheme in the microphysics. Initial meteorological condition prior to the formation of the cyclone is generated using WRF ARW standard-release model. Sensitivity of the model output is obtained from a selected single-parameter change scenarios, namely, 10 % to 20 % decrease and increase of wind shear initial data at 850-200 hPa, and by 10 % to 20 % decrease of relative humidity initial data at 850-700 hPa. The result showed that the negative correlations between wind shear and intensity are found in wind shear scenarios. Wind shears of 10 ms-1 which lead to strengthening of the wind intensity in the early period of Typhoon development are found in wind shear scenarios. The effect of wind shear changes on wind intensity is statistically significant in the 20 % wind shear scenarios. During mature stage, weak wind intensity occurred when wind shear increase as given in the WRF standard-release and the 20 % decreasing scenario. Different situation is found in the 20 % increasing scenario where wind shear tend to weak and lead to strong wind intensity at this stage. Meanwhile, the reduction of moisture supply at 850-700 hPa resulting from 20 % decreasing relative humidity play a major role in the weakening of wind intensity and reduces mechanical energy of the cycle process as much as 300 J kg-1.
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