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All Journal Jurnal Teknik ITS Jurnal Sains dan Seni ITS IPTEK Journal of Proceedings Series Perfecting a Video Game with Game Metrics Geoid - Journal of Geodesy and Geomatics
Ari Santoso
Departemen Teknik Elektro Institut Teknologi Sepuluh Nopember Surabaya
Arts Humanities Computer Science & IT Earth & Planetary Sciences Engineering

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Design of PLC–Visual Studio Communication using CX–Server Lite for Automation Tool’s Crib Pohan, Fredrico Aditrio; Santoso, Ari; Arifin, Imam; Zurqi, Ayyasy Az; Hady, Moh. Abdul
IPTEK Journal of Proceedings Series No 3 (2019): International Conference on Engineering Technology Advance Science and Industrial Appli
Publisher : Institut Teknologi Sepuluh Nopember

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (443.427 KB) | DOI: 10.12962/j23546026.y2019i3.5838

Abstract

Role of tool’s in enterprise is important, because a machine cannot assembled if one of tool’s is not available. The problem that occured during transaction prosses of tools due to lack of information about the availability of tools, so the operator spend some time for searching the tools and the borrower is waiting for the operator. To solve this problem, a new system of tool’s crib is requied for the tools storage. This system uses web as tools availability and uses PLC instead of operator. PLC is connected to PC using ethernet cable and programmed with Visual Studio as master. But in communication between PLC and HMI cannot communicate because PLC and HMI is a differend vendor, therefore requied an application to connected them. OPC is solution for of communication between PLC and Visual Studio because OPC is special to connected different hardware and software vendor. This OPC called CX – Server Lite from Omron. The previous system is changed to automatic and called Automation Tool’s Crib and gives the fastest time than tools crib approximately 90 secondwith this communication.
Internal Control of Finance Information Systems on ERP Platform (Case Study : PT Petrokopindo Cipta Selaras) Santoso, Safarianto Prio; Suryani, Erma
IPTEK Journal of Proceedings Series No 7 (2020): The 2nd International Conference on Global Development (ICODEV) 2020
Publisher : Institut Teknologi Sepuluh Nopember

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.12962/j23546026.y2020i7.9533

Abstract

Businesses of any scale today cannot be separated from Information Systems and Technology, whether large or small scale requires a reliable information system to support appropriate, effective and efficient decision making for stakeholders. The information system that is currently trending in the business world is an Enterprise Resource Program (ERP) based on cloud computing (Cloud) which can help users run a business anywhere and anytime. In a report released by Delloite entitled: Hot Topics for IT Internal Audit In Financial Services reveals that the current hot issues are Cyber Security, Data Protection and Data Privacy, IT Governance and IT Risk. PT Petrokopindo is a company that has implemented cloud-based ERP. However, the potential for risks such as Cyber Security, Data Protection and Data Privacy from Cloud ERP can occur, which can disrupt the company's business operations. In this research, case studies will be carried out on companies that have implemented Cloud-ERP. The method used is the COBIT 5 Framework, which was chosen as the best and more complete guideline than other frameworks in the IT / IS management field (Sutikno, 2014). The expected result is to be able to identify security gaps and material weaknesses of the Cloud- ERP information system and then provide recommendations for improvements so that IS / IT becomes more reliable. It is hoped that this research can be useful for the development of IS / IT governance science, and as input for stakeholders on the Cloud-ERP platform in increasing the reliability of an IS / IT against the risk of information leakage and cyber attacks.
Engine Torque Control of Spark Ignition Engine using Fuzzy Gain Scheduling Aris Triwiyatno; Mohammad Nuh; Ari Santoso; I Nyoman Sutantra
TELKOMNIKA (Telecommunication Computing Electronics and Control) Vol 10, No 1: March 2012
Publisher : Universitas Ahmad Dahlan

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.12928/telkomnika.v10i1.763

Abstract

 In the spark ignition engine system, driver convenience is very dependent on satisfying engine torque appropriate with the throttle position given by the driver. Unfortunately, sometimes the fulfillment of engine torque is not in line with fuel saving efforts. This requires the development of high performance and robust power train controllers. One way to potentially meet these performance requirements is to introduce a method of controlling engine torque using fuzzy gain scheduling. By using this method, the throttle opening commanded by the driver will be corrected by throttle correction signal that guarantees engine torque output will follow the desired engine torque input, and also reducing fuel consumption. In this case, spark ignition engine with automatic transmission is used to meet a good performance under this controller design. 
Multiple Moving Obstacles Avoidance of Service Robot using Stereo Vision Widodo Budiharto; Ari Santoso; Djoko Purwanto; Achmad Jazidie
TELKOMNIKA (Telecommunication Computing Electronics and Control) Vol 9, No 3: December 2011
Publisher : Universitas Ahmad Dahlan

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.12928/telkomnika.v9i3.733

Abstract

In this paper, we propose a multiple moving obstacles avoidance using stereo vision for service robots in indoor environments. We assume that this model of service robot is used to deliver a cup to the recognized customer from the starting point to the destination.  The contribution of this research is a new method for multiple moving obstacle avoidance with Bayesian approach using stereo camera.  We have developed and introduced 3 main modules to recognize faces, to identify multiple moving obstacles and to maneuver of robot. A group of people who is walking  will be tracked as a multiple moving obstacle, and  the speed, direction, and distance of the moving obstacles is  estimated by a stereo camera in order that the robot can maneuver to avoid the collision.  To overcome the inaccuracies of vision sensor, Bayesian approach is used for estimate the absense and direction of obstacles. We present the results of the experiment of the service robot called Srikandi III which uses our proposed method and we also evaluate its performance. Experiments shown that our proposed method working well, and Bayesian approach proved increasing the estimation perform for absence and direction of moving obstacle.
Deteksi Halangan Menggunakan Metode Stereo R-CNN pada Mobil Otonom Adrian Aryaputra Firmansyah; Rusdhianto Effendie AK; Ari Santoso
Jurnal Teknik ITS Vol 9, No 2 (2020)
Publisher : Direktorat Riset dan Pengabdian Masyarakat (DRPM), ITS

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.12962/j23373539.v9i2.53687

Abstract

Mobil otonom merupakan inovasi yang muncul akibat perkembangan teknologi komputasi yang semakin mumpuni. Mobil otonom beroperasi dengan meminimalkan campur tangan manusia sehingga dapat mengurangi kecelakaan lalu lintas yang disebabkan oleh kesalahan pengemudi. Mobil otonom memerlukan beberapa sensor agar dapat bekerja dan melakukan navigasi. Sensor yang umumnya digunakan adalah LIDAR. Namun LIDAR memiliki keterbatasan pada rentang deteksi serta adanya komponen bergerak yang membutuhkan perawatan lebih, rentan terhadap perubahan cuaca, serta harganya yang relatif mahal dibandingkan dengan alternatif lain seperti kamera stereo. Algoritma Stereo Regional Convolutional Neural Network (Stereo R-CNN) akan diterapkan pada kamera stereo untuk membuat bounding box tiga dimensi dengan memproses perbedaan sudut pandang pada gambar di kedua kamera. Metode ini dapat mendeteksi bounding box 3D dari objek pada gambar. Algoritma ini dapat mendeteksi objek dengan jarak deteksi yang lebih jauh dibandingkan dengan LIDAR, namun saat ini metode ini masih kurang feasible untuk dapat diterapkan sebagai pengganti LIDAR sebagai sensor utama karena kecepatan deteksinya yang masih lambat di kisaran 0.81 detik (1,2 frame per detik).
Pengaturan Kemudi Kendaraan Otonom Four Wheel Steer dan Four Wheel Drive (4WS4WD) Menggunakan Model Predictive Control Brilian Putra Amiruddin; Rusdhianto Effendi Abdul Kadir; Ari Santoso
Jurnal Teknik ITS Vol 10, No 1 (2021)
Publisher : Direktorat Riset dan Pengabdian Masyarakat (DRPM), ITS

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.12962/j23373539.v10i1.59574

Abstract

Riset dan perkembangan kendaraan otonom yang semakin masif memberikan tantangan baru pada permasalahan pengaturan kendaraan otonom itu sendiri. Salah satu model kendaraan yang sering digunakan karena terkenal akan kemampuan manuvernya adalah model 4WS4WD. Salah satu permasalahan pengaturan yang berpengaruh signifikan pada keotonoman kendaraan adalah sistem pengaturan kemudinya. Pengaturan kemudi ini memegang peranan penting dalam beberapa skenario misalnya perubahan lajur dan pelacakan jalur. Pada penelitian ini, algoritma kontrol Model Predictive Control (MPC) dirancang untuk mengatur kemudi dari kendaraan otonom model 4WS4WD. Dari hasil percobaan dengan beberapa skenario diperoleh bahwa kontroler kemudi yang dirancang memiliki nilai IAE dan RMSE terendah ketika Np = 6 dan Nc = 5 dengan rata-rata nilai 706.32 dan 0.0296, masing-masing.
Simbiosis Alam dengan Cagar Budaya dalam Konservasi Saujana Desa Tamansari Sarah Inassari Santoso; Andy Mappa Jaya
Jurnal Sains dan Seni ITS Vol 4, No 2 (2015)
Publisher : Lembaga Penelitian dan Pengabdian Kepada Masyarakat (LPPM), ITS

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (1038.859 KB) | DOI: 10.12962/j23373520.v4i2.12581

Abstract

Makam Adipati Pragolapati dan Sendang Sani merupakan cagar budaya yang dilindungi sebagai bukti sejarah berdirinya Kabupaten Pati dan sebagai sumber mata air yang dimuliakan. Saat ini, keduanya membutuhkan perhatian karena kondisinya yang terbengkalai. Pemerintah setempat mengeluarkan sebuah rencana untuk membangun sebuah obyek wisata religi dan keluarga yang akan menghidupkan kawasan ini. Namun wisata dan kebutuhan pelestarian adalah dua hal yang kontradiktif. Oleh karena itu dibutuhkan solusi perancangan yang secara sinergis akan dapat mengakomodasi dua hal tersebut. Melalui hubungan simbiosis, alam dan cagar budaya sebagai karakter tapak, dipertemukan dalam sebuah interaksi saling menjaga. Alam sebagai latar belakang dan cagar budaya sebagai latar depan. Obyek rancang bersama alam menguatkan cagar budaya eksisting melalui penataan massa yang mengikuti kontur eksisting, pemilihan bentuk massa yang mampu memberikan pandangan luas terhadap lansekap desa, serta penataan lansekap yang menguatkan orientasi pengunjung terhadap cagar budaya. Sebagai timbal balik, cagar budaya yang mampu hadir secara kuat akan dapat membentuk suasana kontemplatif bagi masyarakat untuk tergerak menjaga alam. Dengan hubungan simbiosis yang demikian, maka alam dan cagar budaya akan dapat terus terjaga keberlangsungannya.
ANALISIS KETELITIAN HORIZONTAL ORTHOREKTIFIKASI CITRA PLEIADES UNTUK PEMBUATAN PETA DASAR RDTR PESISIR (Studi Kasus : Kecamatan Semampir, Kota Surabaya) Bangun Muljo Sukojo; Husnul Hidayat; Romario Santoso
Geoid Vol 12, No 2 (2017)
Publisher : Department of Geomatics Engineering

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (3545.384 KB) | DOI: 10.12962/j24423998.v12i2.3585

Abstract

The quality of accuracy and precision was the main problem in survey and mapping. One of the problems these there were in remote sensing, namely in the geometric correction is orthorectification on the satellite image. Products from orthorectification is needed in the manufacture of large-scale maps of 1: 5000 as for the purpose of detailed spatial plan map. The data used for the orthorectification process is a high resolution image of the Pleiades, a Ground Control Point and DEM Alos PALSAR. DEM used as elevation data to correct or eliminate the influence of relief displacement of image data due to variations in the earth's surface terrain. In this study, using seven of ground control points spread evenly on the location of the research, which is in District Semampir, Surabaya. The ground control points obtained through direct measurements in the field with GPS Geodetic using static methods. Orthorectification method using Rigorous. The results of this study indicate CE90 and LE90 values using the Rigorious methods, geometric precision can be seen from the CE90 and LE90 where the smaller the value, the result of more thorough and accurate image. For eligibility image, obtained by multiplying the value of the coefficient RMSE and thoroughness in which the image of the Pleiades 1 qualifies a map scale of 1: 5000.
Kontrol Kemudi Mobil dengan Pengaruh Variasi Kecepatan Longitudinal pada Kelengkungan Jalan yang Berbeda-Beda Menggunakan Model Predictive Control A M Hawali Akbar; Ari Santoso; Mohamad Abdul Hady
Jurnal Teknik ITS Vol 12, No 2 (2023): IN PRESS
Publisher : Direktorat Riset dan Pengabdian Masyarakat (DRPM), ITS

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.12962/j23373539.v12i2.114488

Abstract

Salah satu hal yang menjadi fokusan pada tugas akhir ini, yaitu perubahan dinamika mobil akibat kecepatan longitudinalnya yang berubah-ubah, di mana tantangannya yaitu dapat mengendalikan steering dari kendaraan sehingga agar tetap pada trek yang diinginkan. Oleh karena itu, pada tugas akhir ini akan dikontrol lintasan, dengan mengontrol steering dari kendaraan dengan metode kontrol multi-stage MPC (Model Predictive Control). Hasil tugas akhir menunjukkan bahwa kontroler multi-stage MPC, dapat mengikuti referensi yang diinginkan. Kontroler multi-stage MPC, dapat menyelesaikan mengikuti referensi yang diingikan dengan error yang masih dapat ditoleransi hingga 10^(-2).
Co-Authors A M Hawali Akbar Achmad Jazidie Adrian Aryaputra Firmansyah Andy Mappajaya Arifin, Imam Aris Triwiyatno Bangun Muljo Sukojo, Bangun Muljo Brilian Putra Amiruddin Djoko Purwanto Erma Suryani Hady, Moh. Abdul Hady, Mohamad Abdul Hidayat, Husnul I Nyoman Sutantra Mohammad Nuh Pohan, Fredrico Aditrio Rusdhianto Effendi Abdul Kadir Rusdhianto Effendie AK Widodo Budiharto Zurqi, Ayyasy Az