Articles
9,226 Documents
Prioritized Sweeping Reinforcement Learning Based Routing for MANETs
Rahul M Desai;
B P Patil
Indonesian Journal of Electrical Engineering and Computer Science Vol 5, No 2: February 2017
Publisher : Institute of Advanced Engineering and Science
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DOI: 10.11591/ijeecs.v5.i2.pp383-390
In this paper, prioritized sweeping confidence based dual reinforcement learning based adaptive network routing is investigated. Shortest Path routing is always not suitable for any wireless mobile network as in high traffic conditions, shortest path will always select the shortest path which is in terms of number of hops, between source and destination thus generating more congestion. In prioritized sweeping reinforcement learning method, optimization is carried out over confidence based dual reinforcement routing on mobile ad hoc network and path is selected based on the actual traffic present on the network at real time. Thus they guarantee the least delivery time to reach the packets to the destination. Analysis is done on 50 Nodes Mobile ad hoc networks with random mobility. Various performance parameters such as Interval and number of nodes are used for judging the network. Packet delivery ratio, dropping ratio and delay shows optimum results using the prioritized sweeping reinforcement learning method.
Simulation of Zeta Converter Based 3-level NPC Inverter with PV System
D. Selvabharathi;
Palanisamy R;
K. Selvakumar;
V. Kalyanasundaram;
D. Karthikeyan;
Amal Nair;
Kriti Karnavat;
Annanya Sharma
Indonesian Journal of Electrical Engineering and Computer Science Vol 12, No 1: October 2018
Publisher : Institute of Advanced Engineering and Science
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DOI: 10.11591/ijeecs.v12.i1.pp1-6
This paper proposes increasing the efficiency of the autonomous Photovoltaic (PV) system by utilizing zeta converter alongside neutral point clamped multilevel inverters (NPC-MLI) based on innovative PWM scheme. The PV system acts as an input source and the relevant control of zeta converter through maximum power point tracking (MPPT) offers the maximum available power from the PV array connected to DC-link. To obtain a high voltage gain we need to exhaust the dc-link voltage as much as possible and reduce stress on the switches. For this the NPC-MLI algorithm approaches PWM technique to perform capacitive charging in parallel and discharging in series to obtain maximum voltage gain. The proposed scheme is designed and verified via detailed simulations in the MATLAB/Simulink environment.
Size miniaturization of chipless RFID tag using metamaterial structure
Mohd Ezwan B. Jalil;
Mohamad Kamal A. Rahim;
Osman B. Ayop;
Noor Asmawati Samsuri
Indonesian Journal of Electrical Engineering and Computer Science Vol 15, No 2: August 2019
Publisher : Institute of Advanced Engineering and Science
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DOI: 10.11591/ijeecs.v15.i2.pp723-732
A Chipless RFID based Modified Complementary Split Ring Resonator (MCSRR) with Different Width (DW) which is metamaterial structure is designed using PET substrate ( =3, loss tangent = 0.025 at 2 GHz) to miniaturize effective length size of conventional split ring resonator. The MCSRR structure with DW provides less size about 17% compared with the conventional MCSRR structure. The single MCSRR resonator with different width only requires a frequency range of 12 % of Complementary Split Ring Resonator (CSRR) resonator. The slotted MCSRR resonator is located underneath substrate and within substrate is connected with transmission lines. The insertion loss value of MCSRR resonator is used to encode ID information of chipless RFID with maximizing ID information using Frequency Position technique. The best swapping parameter for encoding ID number information is split gap of both ring compare with other parameter such as spacing between ring and width of ring.
A Hybrid the Nonsubsampled Contourlet Transform and Homomorphic Filtering for Enhancing Mammograms
Khaddouj Taifi;
Rachid Ahdid;
Mohamed Fakir;
Said Safi
Indonesian Journal of Electrical Engineering and Computer Science Vol 16, No 3: December 2015
Publisher : Institute of Advanced Engineering and Science
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DOI: 10.11591/ijeecs.v16.i3.pp539-545
Mammogram is important for early breast cancer detection. But due to the low contrast of microcalcifications and noise, it is difficult to detect microcalcification. This paper presents a comparative study in digital mammography image enhancement based on three different algorithms: homomorphic filtering, unsharp masking and our proposed methods. This latter use a hybrid method Combining contourlet and homomorphic filtering. Performance of the given technique has been measured in terms of distribution separation measure (DSM), target-to-background enhancement measure based on standard deviation (TBES) and target-to-background enhancement measure based on entropy (TBEE). The proposed methods were tested with the referents mammography data Base MiniMIAS. Experimental results show that the proposed method improves the visibility of microcalcification.
Decontamination and Decommissioned Small Nuclear AIP Hybrid Systems Submarines
Guangya Liu;
Daping Qiu
Indonesian Journal of Electrical Engineering and Computer Science Vol 11, No 11: November 2013
Publisher : Institute of Advanced Engineering and Science
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Being equipped with small reactor AIP is the trend of conventional submarine power in 21st century as well as a real power revolution in conventional submarine. Thus, the quantity of small reactor AIP Submarines is on the increase, and its decommissioning and decontamination will also become a significant international issue. However, decommissioning the small reactor AIP submarines is not only a problem that appears beyond the lifetime of the small reactor nuclear devices, but the problem involving the entire process of design, construction, running and closure. In the paper, the problem is explored based on the conception and the feasible decommissioning and decontamination means are supplied to choose from. DOI: http://dx.doi.org/10.11591/telkomnika.v11i11.3545
Partial-state finite-time stabilization control of chaos in PMSM with uncertain parameters
Chuansheng Tang;
Yuehong Dai;
Hongbing Yang
Indonesian Journal of Electrical Engineering and Computer Science Vol 12, No 5: May 2014
Publisher : Institute of Advanced Engineering and Science
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In this paper, a novel partial-state finite-time control scheme is presented for stabilizing chaos in permanent magnet synchronous motor with uncertain parameters. First, a new concept of partial-state finite-time stability is introduced. Based on the cascade-connected system theory, a controller is then designed in detail to improve the performance of the system. The stability of the proposed scheme is verified according to Lyapunov stability. This method is demonstrated to be highly robust again system parametric variations. Finally, numerical simulation results are presented to illustrate the effectiveness of the proposed method. DOI : http://dx.doi.org/10.11591/telkomnika.v12i5.4255
Thermal Analysis in Gas Insulated Transmission Lines Using an Improved Finite-Element Model
Xiaowen WU;
Naiqiu SHU;
Hongtao LI;
Ling LI
Indonesian Journal of Electrical Engineering and Computer Science Vol 11, No 1: January 2013
Publisher : Institute of Advanced Engineering and Science
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In this paper, an improved finite element (FE) model is proposed to investigate the temperature distribution in gas insulated transmission lines (GILs). The solution of joule losses in eddy current field analysis is indirectly coupled into fluid and thermal fields. As is different from the traditional methods, the surrounding air of the GIL is involved in the model to avoid constant convective heat transfer coefficient, thus multiple species transport technique is employed to deal with the problem of two fluid types in a single model. In addition, the temperature dependent electrical and thermal properties of the materials are considered. The steady-state and transient thermal analysis of the GIL are performed separately with the improved model. The corresponding temperature distributions are compared with experimental results reported in the literature. DOI: http://dx.doi.org/10.11591/telkomnika.v11i1.1247
Stress Recognition Using Photoplethysmogram Signal
Noor Hafizah Azlin Abd Halim;
Khairul Azami Sidek;
Hasmah Mansor
Indonesian Journal of Electrical Engineering and Computer Science Vol 8, No 2: November 2017
Publisher : Institute of Advanced Engineering and Science
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DOI: 10.11591/ijeecs.v8.i2.pp495-501
This study proposed a novel method of stress recognition using photopletysmogram (PPG) signal. PPG devices are now widely used because it is convenient, low powered, cheap and also easy to handle due to its small size. A total of 5 subjects were involved in this study. The PPG signals were taken in resting condition using pulse oximetry. The subject then goes through a stressor test in order to record the physiological changes. The data were collected before and after the test was conducted and later extracted. These samples were then categorised using classification techniques to differentiate between normal and stress condition. Based on the experimentation results, the systolic peak value differences of normal and stress conditions are evident.Therefore, the outcome of this study suggest the reliability of implementing PPG signal for stress recognition.
Design and development of RF power detector for microwave application
Mohamoud Mouse Ali;
Siti Zuraidah Ibrahim;
Ismahayati Adam;
Nurehansafwanah Khalid
Indonesian Journal of Electrical Engineering and Computer Science Vol 13, No 2: February 2019
Publisher : Institute of Advanced Engineering and Science
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DOI: 10.11591/ijeecs.v13.i2.pp713-720
This paper presents the design and development of the RF power detector for microwave applications that is operating at 2.4GHz using microstrip. The design of diode detector circuit is simulated using Keysight ADS software tool. The design of the diode detector includes the matching network, Schottky diode and the low pass filter. The paper also presents the fabrication and measurement of the designed circuit.
A Research on Profit Allocation of the Wind and Other Powers’ Bundled Transmission
Herui Cui;
Pengyu Zhang
Indonesian Journal of Electrical Engineering and Computer Science Vol 12, No 9: September 2014
Publisher : Institute of Advanced Engineering and Science
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DOI: 10.11591/ijeecs.v12.i9.pp6534-6543
The lack of wind power’s assimilative capacity has become a bottleneck of wind power’s large-scale development in the future, while the bundled transmission model of wind power is highly recommended by many scholars at present. However, due to the distemperedness of China's current fiscal policy, the involved parties cannot get the corresponding policy incentives and the economic compensation for additional contributions, which restricted the implementation of the bundled transmission model. By discussing the basic theory of DEA Game, This paper built an excess profit allocation model based on DEA Game, and took an example to analyze the model’s feasibility. Thus, it provides some theoretical basis for the distribution amount and practice distribution forms of the excess profits, and proposes a solution to the problem of the bundled transmission model’s benefit distribution.