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A Mixed Fast-RRT*-A* To Solve the Problem of Generating Nodes near Obstacles for Optimal Paths Suwoyo, Heru; Alfiani, Raudah
International Journal of Engineering Continuity Vol. 1 No. 2 (2022): ijec
Publisher : Sultan Publisher

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (726.407 KB) | DOI: 10.58291/ijec.v1i2.53

Abstract

In the robot environment with static obstacles, robots designed to avoid obstacles and move from the initial position to the destination position, the consumption of the minimum value and the search for the shortest path as the current research, most of the studies are based on obstacle detection to search for more than one path planning. The path using path planning has two sampling methods based on which by working according to random nodes while searching based on using heuristics to find the path. Fast-RRT*-A* were to optimize a path with fast time intensity. From Fast-RRT* developed with improvement-RRT with optimal fast, namely fast optimal in an unreachable space from random trees introduced for speed and algorithm stability; (2) Random steering is used in expansion to solve performance problems in tight spaces; (3) Path fusion path adjustments are obtained quickly. The results of this study are in the form of a profit map comparing the three PRC algorithms* with a time of 48.6474, A* with a time of 38.7527, and FastRRT*-A* with a time of 10.1411, So these three steps make Fast- RRT*-A*.
Prototype Sistem Monitoring Ketinggian Air di Pintu Air secara Real Time Berbasis Mikrokontroler Node MCU Menggunakan Aplikasi Android dan Internet of Things (IoT) Alfiani, Raudah; Karno; Prabumenang, Agung Wibisono Rivai
Autocracy: Jurnal Otomasi, Kendali, dan Aplikasi Industri Vol. 6 No. 01 (2019): Otomasi, Kendali, dan Aplikasi Industri
Publisher : LPPM Universitas Negeri Jakarta

Show Abstract | Download Original | Original Source | Check in Google Scholar

Abstract

The purpose of this tool is as a tool for monitoring the water level at the water gate in real time and the water level information can be accessed through android application, and there are notifications if the height of the water gate has reached Standby 1 and Standby 2, so that people can access the water level information updated efficiently. The method used is simulation and experimentation of Prototype of Water Level Monitoring System at Water Gate in Real Time Based Microcontroller Node MCU Using Android Application And Internet of Things done in July at Jakarta State University. The results obtained are these prototype can be used to measure and transmit water level measurements in real time, and the measurement results can be accessed through Water Level Info application and it’s quite accurate. Tujuan dari prototipe monitoring ketinggian air ini adalah sebagai alat untuk monitoring ketinggian air di pintu air secara real time dan informasi ketinggian air tersebut dapat diakses melalui aplikasi android, serta adanya notifikasi jika ketinggian pintu air sudah mencapai Siaga 1 dan Siaga 2, sehingga masyarakat dapat mengakses informasi ketinggian air terkini secara efisien. Metode yang digunakan adalah simulasi dan eksperimen dari Prototype Sistem Monitoring Ketinggian Air Di Pintu Air Secara Real Time Berbasis Mikrokontroler Node MCU Menggunakan Aplikasi Android Dan Internet of Things yang dilakukan pada bulan Juli di Universitas Negeri Jakarta. Hasil yang diperoleh adalah prototipe dapat digunakan untuk mengukur dan mengirimkan hasil pengukuran ketinggian air secara real time, dan hasil pengukuran tersebut dapat diakses melalui aplikasi Water Level Info dan cukup akurat.