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Journal : TRANSMISI

PENGENDALIAN pH AIR DENGAN METODE PID PADA MODEL TAMBAK UDANG Kristianto, Andrian; Setiawan, Iwan; Sumardi, Sumardi
TRANSMISI Vol 14, No 4 (2012): TRANSMISI
Publisher : TRANSMISI

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Abstract

Abstrak Luas wilayah perairan yang cukup besar Indonesia memiliki potensi dalam pengembangan dan budidaya hasil perikanan seperti udang, namun banyaknya petambak udang yang gagal panen karena perubahan cuaca yang tak menentu ini mengakibatkan buruknya kondisi air tambak sehingga menyebabkan banyak udang yang mati. Pengaruh keadaan air memang sangat penting karena ada beberapa parameter air yang berpengaruh pada udang seperti suhu air, kadar oksigen, pH, dan salinitas. Parameter tersebut perlu dijaga kestabilannya untuk kelangsungan hidup udang. Pengendalian pH air dengan metode PID Ziegler Nichols I ini dilakukan pencarian parameter kontroller pada beban tertentu dengan menggunakan metode bumptest untuk mendapatkan parameter L (keterlambatan), T (time konstan), dan K (gain) sehingga didapat nilai Kp, Ki, dan Kd. Metode PID Ziegler Nichols I hasil penelitian mengahsilkan nilai Kp= 175, Ki= 40, dan Kd= 10 dari nilai parameter L= 20 sekon, T= 71 sekon dan K= 0,0243 pH/%. Dari hasil pengujian metode PID Ziegler Nichols I dirasa cukup efektif dalam mengatasi gangguan dari beberapa hasil pengujian dengan gangguan berupa larutan asam dengan pH sebesar 3,80 dan 4,08 didapatkan error steady 5% sedangkan untuk gangguan berupa larutan asam dengan pH sebesar 5,03 error steady 4%. Kata kunci :Kontrol PID (Proporsional-Integral-Derivative), Pengontrolan pH air, Sensor pH.
Perancangan Simulasi Supervisory Control and Data Acquisition pada Prototipe Sistem Listrik Redundant Kurniawan, Muhammad Supono; Setiawan, Iwan; Triwiyatno, Aris
TRANSMISI Vol 14, No 1 (2012): TRANSMISI
Publisher : TRANSMISI

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Abstract

The existence of electrical energy to human needs can not be separated, electrical energy is used by all humans on this planet from small scale region (household) to large-scale region such as industries. The electric energy quantity and quality demand of the electricity transmission system has been increasing over the time. Failure in the electricity transmission system can be fatal to the electrical components or operational loss in an industry. SCADA is proposed to accommodate these problems. It capables to monitor and control the disturbance on the electrical redundant system. The purpose of this final project is to simulate the SCADA on redundant power system to eliminate the failure of power transmission lines such as open-circuit failure, short circuit, and overload that can be controlled directly from the plant or through a computer interface. The Finite State Machine (FSM) and ladder diagram programming language are used to design the PLC system. There are hardware and software to support this final project, such as plant of redundant electrical systems, PLC CPM1A Omron, Laptop, CX One 9.0 software for programming the PLC and the CX Supervisor 3.0 to build the HMI. The result showed that the current sensors can be used to detect overload failure and simulate short circuit failure. Plant redundant electrical system can be monitored and controlled through the input-output of the plant, the interface on the computer, and World Wide Web. There is a relay on plant that can connect power lines to cutting power lines when the failure occurs. If an failure occurs in the form of open circuit, short circuit or overload the alarm and failure indicator will active. Keyword : SCADA, PLC, open circuit, short circuit, overload
Sistem Navigasi untuk Individu Pejalan Kaki Berbasis Prinsip Dead Reckoning Setiawan, Iwan; Setiyono, Budi; Kawuri, Laras Dwi
TRANSMISI Vol 14, No 2 (2012): TRANSMISI
Publisher : TRANSMISI

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Abstract

 This paper discusses a pedestrian navigation system based on the principle of dead reckoning. Early prototype of the system has been developed using only two internal sensors of MEMS accelerometer and electronic compass that is worn over the shoes of the individual. Functionally, accelerometer in this system is used to detect the two state individual legs as walking: stance and swing state, while the electronic compass are functionally used to estimate the direction of individual pedestrian step. Based on initial testing, the navigation system that developed capable of detecting individual steps that are normal walking with 100% success rate, whereas the electronic compass readout accuracy is still room for improvement. Keyword : Navigation, Positioning, Dead Reckoning, Pedestrian, Accelerometer, Electronic Compass
PEMETAAN POSISI DAN ORIENTASI KURSI RODA CERDAS BERBASIS PRINSIP DEAD RECKONING Setiawan, Iwan; Akrom, Isnan Fauzan; Darjat, Darjat
TRANSMISI Vol 11, No 2 (2009): TRANSMISI
Publisher : TRANSMISI

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Abstract

Smart wheelchairs is a kind of assistive technology implementation from mobile robot field. The main purpose of the system is enhance disable people mobility and guaranteeing safety aspect while wheelchair navigate around domestic environment. As a kind of semi autonomous smart navigation system, the smart wheelchair must be accommodate share control between automatic controller and the user (via joystic). The ultimate goal of this research is to know exactly the position and orientation of smart wheelchair using dead reckoning principle. To fulfill the goal, the smart wheelchair is equipt by quadrature rotary encoder for each wheels.From the experiments that we drawn, we have get some result: Position and orientation error will be larger for long duration of operation of wheelchairs. Fundamentally, these kinds of error result from systematic and non systematic error source. Keywords: encoder, dead reckoning, state chart, komunikasi serial, smart wheelchair
Hasil Uji Kalibrasi Sensor Accelerometer ADXL335 Setiawan, Iwan; Setiyono, Budi; Susilo, Tri Bagus
TRANSMISI Vol 11, No 3 (2009): TRANSMISI
Publisher : TRANSMISI

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Abstract

Accelerometer is a sensor that can measure acceleration of object. This sensor can be used for till sensing detection, 3D game interface, computer’s mouse, and vehicle navigation system. Operating of this sensor need a good calibration to get parameters which determines the acceleration. This paper present result of calibration of 3 Axis ADXL335 accelerometer. Calibration of this sensor consist of 3 step testing on every axis of this sensor, sensor’s natural characteristic testing, ZeroG voltage testing, and sensor’s sensitivity testing. The result of testing ZeroG voltage and sensitivity must be compare with information from datasheet. From this testing can be concluded that the ADXL335 accelerometer has responsive output. Percentage of deviation standard is 0.257397% and the minimum is 0%. The value of ZeroG voltage from testing are 1,637390 volt for X axis, 1,638319 volt for Y axis, dan 1,736877 volt for Z axis. And the sensitivity are 0,3096 V/g for X axis, 0,3296925 V/g for Y axis, Z axis is 0,3103370 V/g. Keywords: Accelerometer, accelereration, calibration, ZeroG voltage, sensitivity.
SIMULASI MODEL SENSOR SONAR UNTUK KEPERLUAN SISTEM NAVIGASI ROBOT MOBILE Setiawan, Iwan
TRANSMISI Vol 8, No 1 (2006): TRANSMISI
Publisher : TRANSMISI

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Abstract

Dalam banyak aplikasi, sensor sonar adalah sensor yang umum digunakan untuk menentukan jarak sebuah objek. Pada dasarnya sensor ini bekerja berdasarkan prinsip pemantulan gelombang suara, dimana dalam hal ini variable yang diukur adalah waktu pemantulan sejak gelombang tersebut dipancarakan. Tidak seperti sensor jarak lain seperti inframerah atau sensor laser, sensor sonar ini memiliki jangkauan deteksi yang relative luas. Sehingga dengan demikian untuk jarak deteksi yang didapat, kita tidak dapat menentukan lokasi objek secara tepat pada daerah deteksi tersebut tanpa menggunakan pengolahan lanjutan. Salah satu metoda yang dapat digunakan untuk memodelkan sensor ini adalah dengan menggunakan teori probabilitas. Cara ini pertama kali diusulkan oleh Elfes untuk keperluan navigasi robot mobile yang dibangunnya.Kata Kunci: Sonar, Probabilitas, Metoda Elfes
Perancangan Sistem Pemanas Bearing Menggunakan Kontrol Pi Berbasis Mikrokontroler Atmega 8535 Sumardi, Sumardi; Setiawan, Iwan; Purwanto, Sigit
TRANSMISI Vol 10, No 1 (2008): TRANSMISI
Publisher : TRANSMISI

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Abstract

Bearing is an important component of motor and generator, bearing is used as a buffer component of shaft rotor that has function to decrease the friction between shaft rotor and housing. The damaging on a bearing can make an increasing of power consumption and a big friction that can make many vibrations and uproar in the motor or generator.Based on SKF’s research, 16% of the bearing’s initial damage is caused by the wrong assembling method. For example the installation of the bearing in the shaft is forcefully, by hits or burns them use the asetelin weld. The heating of bearing uses assetelin, isen’t good. Because the heat is not be stread evenly. So in order to get  heating is average in bearing, we use induction heat.This making final assignment is to make a bearing heater which use induction method with  digital PI control induction method. With Microcontroller ATmega 8535 as a digital code’s processor and as their controller. This instrument can raise the increasing linear temperature and the average heat. Beside that, the temperature of the heated bearing also can be kept on interval 80° - 90°C. With this instrument, the diameter of the heated bearing can expand, the heating is average and the bearing temperature can be controlled, so the bearing can be installed in the shaft rotor easily.Key Words: Bearing heater, PI control,  Microcontroller ATmega 8535
Tuning Parameter Kontrol Proporsional–Integral Menggunakan Sugeno Fuzzy Inference System Wahyudi, Wahyudi; Setiawan, Iwan; Tigor, Eduward
TRANSMISI Vol 10, No 2 (2008): TRANSMISI
Publisher : TRANSMISI

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Abstract

PI (Proportional-Interal) controller is a control method that have been applying in industrial proccess. This control  method have two control parameters the proporsional parameter (Kp) and the integral parameter (Ki). In conventional methot, parameter PI is tuned by using trial and error. That problem is how tuning parameter is easyly and not long time to find this parameter. Autotuning paramer by  using fuzzy logic is one method to solve this problem. In autotuning method, PI parameter is calculate by some of rules base. This methode have two inputs, error and change of error. Main controller of this plant, control fluid level, use Atmega8535 microcontroller and water pump as the actuator to control. This reseach is succesfull for  tuning PI parameter and to control the fluid level as we want. The respon system have rapid rise time, no offset and no overshoot. The respon system is stable although we add some noise in the system.Keywords: PI (Proportional-Integral), autotuning fuzzy, and ATmega 8535 microcontroller
Pengembangan Sistem Kontrol Navigasi Kursi Roda Cerdas Menggunakan Arsitektur Subsumption Studi Kasus Door Passing Dan Corridor Following Setiawan, Iwan; Darjat, Darjat; Gusman Namara, Rano
TRANSMISI Vol 10, No 3 (2008): TRANSMISI
Publisher : TRANSMISI

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Abstract

Several research have shown that both children and adults benefit substantially from access to a means of independent mobility. While the needs of many individuals with disabilities can be satisfied with traditional manual wheelchairs, a segment of the disabled community finds it difficult or impossible to use wheelchairs independently. To accommodate this population, researchers have used technologies originally developed for mobile robots to create "smart wheelchairs." Smart wheelchairs have been the subject of research since the early 1980s. Our goal in this project is to develop a smart wheelchair with a human friendly interface for high-level controlThere are two main capability that we embedded in this wheelchairs (1) Obstacle avoidance and (2) Door passing. From the experiment result,those capability seems to be work, but there must be enchanment due to  wheelchairs comportability.Keywords  : Kursi Roda Cerdas, Arsitektur Subsumption, Joystick, Sensor UltrasonikPermalink: http://ejournal.undip.ac.id/index.php/transmisi/article/view/1603
Rancang Bangun Robot Pengikut Garis Dan Pendeteksi Halangan Menggunakan Mikrokontroler AT89S51 Sumardi, Sumardi; Setiawan, Iwan; Donnel, Hendri
TRANSMISI Vol 10, No 3 (2008): TRANSMISI
Publisher : TRANSMISI

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Abstract

Recently, the electronic field develop rapidly especially in creating robotic. Many competitions have conducted to compare technology, from hobbies until robotic industries are never bored to talk. Industrially, automotive robotic needed in order to make the work more efficient, then it save cost of a production. Automotive robotic used also in entering dangerous area, that there is unable to handle by human for safety reason.In this paper, there are two automotive robotic that created, which able to follow line and stop when it detects any obstruction at front side. This robotic designed by Microcontroller AT89551, ultrasonic sensor as obstruction detector and  it also have four infrared and photodiode sensors as line detector which through by feet. Automotive robotic will run following designed line, if there is any obstruction then it will stop as long as those obstructions are there and it run again if the ultrasonic sensor do not detect obstruction anymore. By regulating PWM signal (Pulse Width Modulation) from microcontroller, then the automotive robotic can walk straightly, turn and will stop if there are any obstruction detected.From the experiment and test  which performed, robot is able to pass the turn with 60 cm of diameter, while  for movement fork  it is only perform straightly and stopped, exactly if robot finding the obstruction it can stoped in the distance 40 cm. It shows that there is lack of sensor, which used in designing, then for particular fork, robotic is only able to stop and walk straightly.Keywords: Microcontroller AT89S51, Lines Follower, Obstruction Detector
Co-Authors Abdussamad . Achmad Fuad Achmad Hidayatno Adi Septian Putra Atmaja, Adi Septian Putra Adian Fatchur Rochim Aditya Bakti Priahutama Afrilianto, muhammad Agung Nugroho Agus Sukarto Wismogroho, Agus Sukarto Ahmad Asmedi, Ahmad Ahmad Shafi Mukhaitir Ahmad Thoriq, Ahmad ahmad yani Akbar, Padillah Al-Anshory, Umair Alfa Pradipta, Alfa Ambarwati, Levia Hasvi Andreas Handojo Andrey Wicaksono, Andrey Andrian Kristianto Andrie Al Kausar Angkasa, Syahreza S. Anita Yuliyanti Anne Charina Ardyono Priyadi Ariani, Nofi Risa Arif Satria Arifudin Idrus Aris Sugianto, Aris Aris Triwiyatno Arrasyid, Riko Arsyahadij, Miftahuddin Aryati, Yosephine Vania Prima Ashari, Ayu Aisyah At., Mulyadi Atiek Iriany Azis Wisnu Widhi Nugraha, Azis Wisnu Azis Wisnu Widhi Nugraha, Azis Wisnu Widhi B Devina Puspasari bagja waluya, bagja Basari, M. Aziz Bobby Rachmat Saefudin, Bobby Rachmat Budi Setiyono Camalin, Maudia Colin R Trainor Darjat Darjat Darmanto Darmanto David Setiawan, David Dede Rohmat Dede Sugandi Dian Agista Dian Masita Dewi Dianto, Ryan Dista Yoel Tadeus Djedi S. Widarto, Djedi S. Dwi Lesmana Eddy Gaffar Zulkarnain, Eddy Gaffar Eduward Tigor Elly Rasmikayati, Elly Endang Bidayani, Endang Ernowo Ernowo Fadlin Idrus Fajar Wisnu Aribowo Faruk, Mujaddid Feti Fahmimroah, Feti Fifi Swandari Franklin Franklin Friska, Yuliana H, Puput Wahyu Habibi, Muhammad Irfan Hariri, Azka Harlina, Raesa Harsono Harsono Haryadi Permana Hastuti - Sekolah Tinggi Ilmu Kesehatan Nasional Surakarta, Diah Dwi Hastuti, Diah Dwi Hendri Donnel Heni Kusdarwati Hepi Hapsari Hill. Gendoet Hartono Imam Santoso Indira, Diah Insani, Fitrah Rahmah Irkham, Irkham Ismawati, Heny Isnan Fauzan Akrom Ivan Aris Panoyo, Ivan Aris Juliana, Venti Jusagemal Aria EL Justinus Andjarwirawan Kausar, Andrie Al Keith Martin Kukuh Priyangga Laras Dwi Kawuri Lili Somantri Lintjewas, Lediyantje Lisye Setiagustina Luwandi Suhartono M Charlotte Benstead Maria Teodora Ping, Maria Teodora Martina Nainggolan Mauridhi Hery Purnomo Mochammad Facta Moetamar Moetamar Muhammad Fairuz Luthfa Muhammad Farchani Rosyid Muhammad Fathul Faris Muhammad Riyadi Muhammad Supono Kurniawan Munawar Agus Riyadi Mutia Dewi Yuniati Noor Yudhi Noviyanto, Alfian Nugroho, Muhammad Arief Nur Syamsiyah Nurul Taufiqu Rochman Paundralingga, Angsoka Yorintha Phil J Benstead Prabowo Tjitropranoto Pradana, Byan Bagas Pradana, Muhammad Ivan Prasetyo, Agus Budi Prestian Rindho S. Raf Drijvers Rahmawati, Dyana Rano Gusman Namara raudatul jannah Rika Arliza, Rika Riva Amrulloh Rizkiyana, Shella Rizky Mulya Sampurno Roron Wicaksono Hadi Saputri, Inderi Mira Saryanti, Dwi Setiyawidi Setiyawidi, Setiyawidi Sigit Purwanto Silalahi, Indra Pribady Sinaga, Bosker SIska Rasiska, SIska Sorikhi Sorikhi, Sorikhi Sri Fatimah Sri Indarto SUDARSONO SUDARSONO Sudjadi Sudjadi SUHARYANTO SUHARYANTO Sukmandaru Prihatmoko Sumardi Sumardi Sumardjo Sumardjo Supriatin, Hj. Ukilah Sururie, Ramdani Wahyu Surya Wisnurahutama Suryani . Syafri Kamsul Arif Taniady, Vicky Tarya J Sugarda Tejo Sukmadi Teuku Winnetou Thinni Nurul Rochmah Thoyyibah, Ita Tri Bagus Susilo Tri Wiyoko Trias Andromeda Tunjung Dwi Madyanto urai salam Uu Nurul Huda, Uu Nurul Wahyudi Wahyudi Wahyuni, Lies widya astuti Wisnu Ari Adi Yoga Handoko Agustin, Yoga Handoko Yuli Christyono Yulia Yulia Yuslinar, Asep Yusuf Dewantoro, Yusuf Zabib Bashori