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JAREE (Journal on Advanced Research in Electrical Engineering)
Published by Institut Teknologi Sepuluh Nopember Surabaya
ISSN : -     EISSN : 25796216     DOI : https://doi.org/10.12962/j25796216.v4.i2.116
Core Subject : Engineering,
Control & Systems Engineering Electrical & Electronics Engineering
JAREE is an Open Access Journal published by the Department of Electrical Engineering, Institut Teknologi Sepuluh Nopember (ITS), Surabaya – Indonesia. Published twice a year every April and October, JAREE welcomes research papers with topics including power and energy systems, telecommunications and signal processing, electronics, biomedical engineering, control systems engineering, as well as computing and information technology.
Arjuna Subject : Teknik (semua kategori) - Teknik Listrik dan Elektro
Articles 175 Documents
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Optimal Design Of Stand Alone Hybrid PV / WTGS / Battery for Health Center Electricity System in Timor Leste Alfredo Gusmao; Imam Robandi; Soedibyo Soedibyo
JAREE (Journal on Advanced Research in Electrical Engineering) Vol 2, No 2 (2018): October
Publisher : Department of Electrical Engineering ITS and FORTEI

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.12962/j25796216.v2.i2.60

Abstract

The use of renewable energy sources as a power plant has become an alternative option to provide electrical energy sources in a health center in Timor Leste. In this study a standalone hybrid generator system design consisting of Photovoltaic (PV), Wind turbine generation system (WTGS) and battery as energy storage will be made. The PSO algorithm is used to design optimal generator and battery capacity to obtain economic value. Optimal results are obtained by taking into account the potential of wind and solar energy and loads. The application of hybrid generating systems with renewable energy sources has several problems that must be resolved. The energy generated by renewable energy power plants is intermittent. Then this system requires energy storage to achieve power balance. The simulation results in this study show how to get the optimal value by using PSO algoritm, to reach power balance with the optimal and economical design of generator and battery capacity. Keywords: Hybrid; PV; WTGS; Battery; Control, Optimal Sizing, PSO
Design and Test of Lower Part Humanoid Dancer Robot to Do Foot Lifting Move of Remo Dance Muhammad Hilman Fatoni; Muchammad Ainur Fahd; Djoko Purwanto
JAREE (Journal on Advanced Research in Electrical Engineering) Vol 3, No 1 (2019): April
Publisher : Department of Electrical Engineering ITS and FORTEI

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.12962/j25796216.v3.i1.72

Abstract

Development of robotic technology is advancing very rapidly, especially the development of humanoid robots. Humanoid robots have been used for various types of functions in various fields, including in the world of military, medical, industrial, and even in general use through commercial sales. Dancer Robot is one type of robot used to perform certain dances. The dance performed depends on the type of robot. There are dances performed by wheeled robots in groups, and there are also dances performed by humanoid robots. This  study carried out design and testing of humanoid dancer robot’s lower part to do foot lifting and other basic movements of dance. In foot lifting, the lower part of robot must be able to maintain balance and hold the load from the upper part so it does not fall. The distance of lifted foot also must have sufficient height from the floor. Based on robot design, the length of upper legs are 93.62 mm and lower legs are 93.00 mm. Robot able to make stance up to 8.5 cm wide from left to right leg and capable of lifting foot with height 6.5 cm from the floor without falling.Keywords: HMC58831, navigation, robot.
Pre-energize Analysis on 3 Phase Transformer by Considering Each Phase Flux Hadwim Septiawan; I Made Yulistya Negara; Feby Agung Pamuji
JAREE (Journal on Advanced Research in Electrical Engineering) Vol 3, No 2 (2019): October
Publisher : Department of Electrical Engineering ITS and FORTEI

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.12962/j25796216.v3.i2.90

Abstract

Inrush current is a transient phenomenon that occurs when a transformer is first energized to a voltage source at no-load conditions. It causes a very high inrush current. Inrush currents can adversely affect the electric power system and can cause improper work of a relay protection errors. The purpose of this study is to determine the amount of inrush current and minimize the amount of inrush current by using the pre-fluxing method. In this study, a test was carried out using a 3-kVA core type 3 phase transformer. This test is done by giving DC flux before the transformer is connected to the voltage source, then the three transformer phases are energized simultaneously at a certain voltage angle so that the inrush current may could be minimized. The test results show that the transformer that is given a DC flux always has a relatively small inrush current. In this test the inrush current is reduced to a minimum value at an ignition angle of 90 degrees with an inrush current value of 0.74 A in phase R, 3.41 A in phase S, and 3.80 A in phase T.Keywords: flux, inrush current, transformer, transient.
Temperature compensated low voltage MOSFET radiation sensor: proof of concept and a case study Pablo Petrashin; Walter Lancioni; Luis Toledo; Agustin Laprovitta; Juan Castagnola
JAREE (Journal on Advanced Research in Electrical Engineering) Vol 4, No 2 (2020): October
Publisher : Department of Electrical Engineering ITS and FORTEI

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.12962/j25796216.v4.i2.132

Abstract

This paper presents a proof of concept performed on a new and very simple CMOS circuit configuration that implements a radiation dosimeter based on the threshold voltage difference (VTH) principle. The circuit used does not use resistors and all the transistors work in strong inversion, their mobility factor being completely canceled by the proposed architecture. Its operation exploits the relationship between radiation and VTH shifting, which allows, through a circuit configuration, to compensate for temperature variation and amplify the reaction to radiation, making it ideal for integrated industrial applications due to its simplicity and good operation. The circuit was designed for operation in areas naturally at risk of radiation, for example nuclear power plants or radiological clinics. Its advantage over other circuits that perform similar functions is mainly its low cost and simplicity of design.Keywords: CMOS dosimeters, radiation dosimetry, temperature compensation.
Development of Water-Surface Robotic Vehicle to Assist Communication Between Remotely Operated Vehicle Underwater Robot and Control Station Badrut Tamam; Ronny Mardiyanto
JAREE (Journal on Advanced Research in Electrical Engineering) Vol 1, No 2 (2017): October
Publisher : Department of Electrical Engineering ITS and FORTEI

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.12962/j25796216.v1.i2.28

Abstract

This paper developed a water-surface robotic vehicle that act as repeater station to assist the communication between ROV (Remotely Operated Vehicle) underwater robot and control station. The key issue here is how the robot can relay the data communication between the ROV and the control station. The communication between repeater Station and control station is based on wireless, whereas the communication between repeater Station and ROV is based on wire. Data that have transmit from control station is received by Repeater Station and continued to the ROV through wire. The Power needed is suplied by photovoltaic (PV) to the Repeater Station and the ROV. The position of Repeater Station is controlled, so the position of Repeater Station and ROV always in parallel. In practices, there are two way directly communication between control station with ROV, that are based on wireless and through wire. Nevertheless, wireless communication system never used to observed on the ocean or the deep waters because there is a high attenuation of a signal when cross the air-water boundary. Based on these problems, we make a Repeater Station that used a buoyant communication system models. Communication from control station to Repeater Station in the form of motion control and data. Whereas, communication from Repeater Station to ROV in the form of motion control, data, and power supply. Communication frequency is at 5,8 GHz for audio video and 433 MHz for motion control and telemetry. The connection wire between Repeater Station and ROV can go along and shorten with automatically roll as feature. Electricity from PV is strorage to a battery in the Repeater Station. Charging of the battery occur when battery power is not full and will cease if battery power is being full. Power of the battery must be full if want to operated the Repeater Station. The availability of the Repeater Station is expected to assist the communication between ROV underwater robot with control station, so ROV can be controlled remotely and can increase range of the reach.Keywords: Water-Surface Robotic Vehicle; Communication; Position Control; Repeater Station; Self Charging
Disturbance Observer Design for Controlling the Speed of Three Phase Induction Motor Josaphat Pramudijanto; Fauzi Imadudin Adhim; Lucky Putri Rahayu; Muhamad Zulfiqar Rusretin
JAREE (Journal on Advanced Research in Electrical Engineering) Vol 2, No 1 (2018): April
Publisher : Department of Electrical Engineering ITS and FORTEI

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.12962/j25796216.v2.i1.42

Abstract

Induction Motor is a type of motor that is most widely used in industry compared to other electrical motors,  because this type of motor has several advantages such as construction simplicity, sturdiness, cheap prices and low maintenance need. But the main challenge is to keep the speed remain constant when the induction motor is given many various values of load until particular value of the load nominal is given, so the response of the motor will change varily even if a controller has been given, thus controlling the speed of three phase induction motor is much more difficult to do. Therefore, in this research, we applied Disturbance Observer (DOB) method using Proportional Integral Derivative (PID) controller. This method was chosen because it can automatically reduce or even eliminate the disturbance, which is in the form of load and the measurement noise. The use of PID controller was expected to enhance the motor’s time settling. The test result of the Disturbance Observer method shows that it can reduce the measurement noise in every loading scenario. While the simulation result shows that the response of PID controller + DOB are capable of approaching the nominal load response with a response specification of 0.1 % of plant error, overshoot or undershoot of 1.5 %, time settling (ts) 5 % by 7.1 seconds and time rises (tr) of 2.2 seconds. Keywords: Disturbance Observer, Proportional Integral Derivative, Induction Motor
Performances Analysis on Power Quality Problems Mitigation by using Unified Power Quality Conditioner (UPQC) May Phone Thit; Soe Soe Ei Aung; Han Su Yin
JAREE (Journal on Advanced Research in Electrical Engineering) Vol 3, No 2 (2019): October
Publisher : Department of Electrical Engineering ITS and FORTEI

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.12962/j25796216.v3.i2.93

Abstract

Nowadays, power quality is one of the major problems in electric power distribution system. The poor power quality at distribution level can affect the operation and performance of sensitive and critical loads. In the distribution systems, poor power quality results in various problems such as higher power losses, harmonics, sag and swells in the voltage, and poor power factor., etc. Unified Power Quality Conditioner (UPQC) is the only versatile device which can mitigate several power quality problems related with distribution system. A UPQC that combines the operations of a Distribution Static Compensator (D-STATCOM) and Dynamic Voltage Restorer (DVR) together with the shunt and series active control devices. UPQC can solve the problems related to the voltage/current harmonics, voltage sag/swell and unbalance in distribution system. To evaluate the performance improvement in the system, a model of UPQC is developed in MATLAB/SIMULINK with a typical distribution network. In this research, UPQC is applied for power quality enhancement of Myaungtagar industrial distribution substation, Myanmar. Enhancements in power quality by UPQC are evaluated under maximum load condition.Keywords: harmonics, power quality, series controller, shunt controller, UPQC. 
Estimating Fault Location Based on Fault Current in 20 kV Distribution System Ricky Maulana; Syarif Hidayat
JAREE (Journal on Advanced Research in Electrical Engineering) Vol 4, No 2 (2020): October
Publisher : Department of Electrical Engineering ITS and FORTEI

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.12962/j25796216.v4.i2.116

Abstract

The growth of the electric power system is currently taking place rapidly, causing an increase in the number and length of line to provide consumer services. In the line, there are often fault caused by lightning, storms, breakdown insulation, and short circuit caused by birds and other objects. Detection and location determination will speed up the repair process and can avoid more severe damage. Most studies refer to the fault location on the transmission line. But lately the determination of fault location in distribution system has begun to become a concern of researchers for the improvement of the quality of electricity services to consumers. This study discusses the determination of fault locations based on fault currents and the types of disturbances using data from the assumed distribution system model. The estimated fault location by ignoring the fault resistance has the largest error obtained 0.74% and estimated fault location by including fault resistance will cause a very large error, but the error can be reduced by changing the algorithm of the fault resistance assumption. The result for to ground fault error has reached 1.238% and double line to ground error has reached 88.167%.Keywords: distribution system, fault current, fault location, fault resistance.
Analysis and Dynamic Routing Implementation of Hierarcical Healthcare Referral System Khairurizal Alfathdyanto; Abdullah Alkaff; Nurlita Gamayanti
JAREE (Journal on Advanced Research in Electrical Engineering) Vol 1, No 1 (2017): April
Publisher : Department of Electrical Engineering ITS and FORTEI

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.12962/j25796216.v1.i1.5

Abstract

Hierarchical Healthcare Referral System (HHRS) is implemented by National Insurance Providing Agency (BPJS) as part of the healthcare insurance policies. Patients who want to get health insurance in a hospital should get a referral from the community health center in which they are registered. Congestion of patients happens in certain hospital as there is no policy implemented to govern the referral system. In this paper, HHRS is modeled as a network of queuing system and is analyzed for its queue performances. Analysis of queuing network performances shows the influence patient preferences to buildup congestion of patients in hospitals. Referral is then controlled by means of dynamic routing with considering patient preferences. Estimation of arrival rate is done with hypercube queuing theory which concerns user preference. Simulation shows that patient preferences affect the arrival rate at each hospital, the application of dynamic routing can reduce the maximum utility and reduce the average waiting time, prioritization of patients improve dynamic routing performance on systems with a high workload.Keywords: dynamic routing; hierarchical healthcare referral system; patient priority; queueing networks;
Designing an Optimal Control LQT for Controlling and Guidance of Missile Rusdhianto Effendie AK; Muhamad Rafif Prasetyo; Zulkifli Hidayat
JAREE (Journal on Advanced Research in Electrical Engineering) Vol 2, No 1 (2018): April
Publisher : Department of Electrical Engineering ITS and FORTEI

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.12962/j25796216.v2.i1.36

Abstract

Missile has to be controlled and follow the commanded guidance in order to make its flight hit the target. Since missile has a nonlinear characteristic and coupled dynamic equation, controlling a missile has become more complex. Linear Quadratic Tracking (LQT) is one of optimal control theory where its objective is to make the output of a system tracks its reference as close as possible while minimize or maximize a desired performance index. In this paper, an autopilot for missile is designed which consists nonlinear state feedback decoupler and LQT controller. Pursuit Guidance is used for the guidance law. A missile-target engagement simulation is created using 2 kinds of target; static target and dynamic target. By using static target, the mean of the closest distance between missile and the target is 0.45 meters and by using dynamic target the mean of the closest distance between missile and the target is 2.562 meters. Keywords: guided missile, Linear Quadratic Tracking, Nonlinear State Feedback Decoupler, Pursuit Guidance

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