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An Improved 3-Phase Load Flow for DG Integrated Distribution systems Based on PSO 1

An Improved 3-Phase Load Flow for DG Integrated Distribution...

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1st international conference on Emerging Frontiers in Electrical and Electronic Technologies, ICEFEET 2020

作者： Sama, Sudhakar Reddy Paul, Subrata Nee Dey, Sunita Halder Jadavpur University Deptt. of Electrical Engineering Kolkata India

ISBN: (纸本)9781728175492

The recent trend of integrating distributed generation (DG) units with distribution network has necessitated reformulation of conventional distribution load flow problem to incorporate the DG models. 3-phase distribution load flow with DG models included, has already been reported by a number of authors. These studies, however, suffer from two major drawbacks. Firstly, the allocation of active and reactive power outputs among the three phases of the DG units under unbalanced loading conditions of the systems could not be properly considered in these studies. Under such operating conditions, loading of the three phases of a DG unit is more likely to be unequal. But, in these studies, the active and reactive power outputs of the three phases of the DG units had been allocated equally among the three phases of those units. Secondly, the solutions provided by these studies can not ensure balance in the 3-phase internal voltages of the DG units, which is an essential requirement arising naturally due to design of 3-phase DG units and the available methods of their control. The present work applies Particle Swarm Optimization (PSO) to develop an improved methodology for 3-phase distribution load flow to alleviate the above mentioned drawbacks. The results of application of the proposed load flow on ieee 13 node network and on ieee 25 node network have been presented in support of the claim made by the present authors. © 2020 ieee.

关键词： distributed power generation

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Pole placement enhancement of a constrained greenhouse SISO system 1

Pole placement enhancement of a constrained greenhouse SISO ...

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1st international conference on Innovative Research in Applied Science, Engineering and Technology, IRASET 2020

作者： Hamidane, H. Elfaiz, S. Guerbaoui, M. Ed-Dahhak, A. Lachhab, A. Bouchikhi, B. Moulay Ismaïl University Department of Electrical Engineering Modelling Systems Control and Telecommunications Team High School of Technology Meknes Morocco Ibn Zohr University Research team on Energy and Sustainable Development Guelmim Morocco Moulay Ismaïl University Department of Physics Sensor Electronic and Instrumentation Group Faculty of Sciences Meknes Morocco

ISBN: (纸本)9781728149790

In this paper, we present an application of a pole placement technique related to the stability analysis for a linear constrained system. In this regard some of the main approaches that have been used in the last decades dealing with the pole placement will be engaged. Concepts and methods involved in this work include positive invariance as an efficient notion for the pole placement amelioration of a modern SISO system. The state feedback will enhance the stabily of the closed loop system under the notion of constrained control. For this aim, a greenhouse system, is engaged and a linear discrete time state space model, which fits properly the acquired data of the greenhouse, was identified by the mean of the subspace system identification (N4sid) algorithm. The obtained model will be used in order to develop and calculate the state feedback gain based on the so-called Sylvester algebric equation and one of the pole placement techniques algorithm to ameliorate the closedloop pole placement of the system with constraints on the control. © 2020 ieee.

关键词： Linear systems

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Construction of Completely Independent Spanning Tree Based on Vertex Degree 1

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21st international conference on Parallel and distributed computing, Applications, and Technologies, PDCAT 2020

作者： Liu, Ningning Zhang, Yujie Fan, Weibei School of Computer Science and Technology Soochow University Suzhou China School of Computer Nanjing University of Posts and Telecommunications Nanjing China Jiangsu High Technology Research Key Laboratory for Wireless Sensor Networks Nanjing210003 China

ISBN: (数字)9783030692445

ISBN: (纸本)9783030692438

Interconnection networks have been extensively studied in the field of parallel computer systems. In the interconnection network, completely independent spanning tree (CIsts) plays an important role in the reliable transmission, parallel transmission, and safe distribution of information. Two spanning trees T1 and T2 of graph G are completely independent if, for any two distinct vertices u and v of G, the two paths from u to v on T1 and T2 are internally disjoint. The spanning trees T1, T2, …, Tk of G are completely independent spanning trees if they are pairwise completely independent. In 2015, Hasunuma proof that G has ⌊n(G)k⌋ CIsts if δ(G) ≥ n(G) - k, 3≤k≤n(G)2 and n(G) ≥ 7. In this paper, we prove that G has ⌊5n(G)12⌋ CIsts if δ(G) ≥ n(G) - 2 and n(G) ≥ 12, and G has (t+ 1 ) -CIsts if δ(G) ≥ n(G) - 3 and n(G) = 3 t- 2 ≥ 23. © 2021, Springer Nature Switzerland AG.

关键词： Interconnection networks (circuit switching)

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DUCSAN 2020: 1st international Workshop on distributed Ubiquitous computing: systems, Applications, and Networking - Welcome and Committees

2020 IEEE International Conference on Pervasive Computing an...

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2020 ieee international conference on Pervasive computing and Communications Workshops, PerCom Workshops 2020 2020年 2020-January卷

作者： Higuchi, Takamasa Rahman, Muntasir Raihan Tseng, Lewis Toyota Motor North America R&D United States Microsoft United States Boston College United States

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Editorial: Reliable Communication for Emerging Wireless Networks

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MOBILE NETWORKS & APPLICATIONS 2020年第1期25卷 271-273页

作者： Duong, Trung Q. Kundu, Chinmoy Masaracchia, Antonino Nguyen, Van-Dinh Queens Univ Belfast Belfast Antrim North Ireland Mem Univ St John NF Canada Duy Tan Univ Da Nang Vietnam

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A Security Architecture for Internet of Things Based on Blockchain 1st

A Security Architecture for Internet of Things Based on Bloc...

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1st international conference on Blockchain and Trustworthy systems (BlockSys)

作者： Yang, Wei Wang, Hao Wan, Yadong Cao, Yuanlong Zhang, Zhiming Chen, Shaolong Jiangxi Normal Univ Sch Software Nanchang 330022 Jiangxi Peoples R China Univ Sci & Technol Beijing Sch Comp & Commun Engn Beijing 100083 Peoples R China

ISBN: (纸本)9789811527777;9789811527760

Internet-of-Things (IoT) began to be widely used in smart city, smart agriculture, and smart factories. However, security issues have always threatened the development of the IoT. Blockchain is the current promising technologies, which uses several security mechanisms to protect system. In this paper, we propose a security architecture for IoT based on blockchain. sensor data in IoT are collected by border-router, and is sent to blockchain network. The communication of IoT system is encrypted by AES algorithm. Smart contracts are used to build the access control mechanisms. Finally, theoretical analysis shows that the proposed architecture can secure against different attacks, as well as low latency.

关键词： Blockchain IoT security distributed network Smart contract

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An Efficient Triple-Layered and Double Secured Cryptography Technique in Wireless sensor Networks

An Efficient Triple-Layered and Double Secured Cryptography ...

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ieee distributed computing, VLSI, Electrical Circuits and Robotics (DISCOVER)

作者： Kolla Vivek Mastan Rao Kale Venkata Sai Krishna Thotakura K Sushma QIS Institute of Technology Ongole QIS College of Engg. & Tech. Ongole Narasaraopeta Engg. College Narasaraopeta Vignan’s Institute of Information Technology Duvvada

ISBN: (纸本)9781665429528

When implemented in a complex environment, wireless network security is the main factor, and it is the sensor networks’ primary concern. Cryptology is a vital component in wireless sensor networks to accomplish this. Many existing cryptographic techniques had not shown good and better results till now. An efficient, strong, triple phased, double secured, and integrated cryptographic approach has been introduced in this study that utilizes both secret-key and public-key methods. Rijndael Encryption Approach (REA), Horst Feistel’s Encryption Approach (HFEA), and enhanced Rivest-Shamir-Adleman (e- RSA) are employed in the propounded technique in various stages of the algorithm since secret-key based system offers a significant level of protection and enable key management through publickey based techniques. REA was used in stage 1 of the algorithm; REA+HFEA was used in stage 2, and REA+HFEA+e-RSA was used in the last stage, and all three stages were performed in parallel. Parameters like execution time and decryption time were taken into account for measuring the performance levels of the propounded approach. The propounded algorithm is differentiated from existing techniques using a single evaluation parameter i.e computation time. It is found that propounded approach gave a good performance in terms of computation time with an Average Encryption Time (AET) and Average Decryption Time (ADT) of 1.12 and 1.26 on text sizes of 6, 25, 35, 61, and 184MegaBytes (MB) respectively. The proposed hybrid model is 1.36 times faster than ECC+RSA+MD-5,3.25 times faster than AES+ECC, 2.7 times faster than AES+RSA, and 3.24 times faster than AES+ECC+RSA+MD5.

关键词： Wireless sensor networks Wireless networks conferences Public key Very large scale integration Robot sensing systems Time measurement

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Microcontroller Based sensor-Array Data Acquisition System for Electronic Nose 1

Microcontroller Based Sensor-Array Data Acquisition System f...

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1st ieee international conference for Convergence in Engineering, ICCE 2020

作者： Debabhuti, Nilava Sen, Rishav Sengupta, Anik Sengupta, Sahil Sharma, Prolay Tudu, Bipan Bandyopadhyay, Rajib Bhattacharyya, Nabarun Jadavpur University Dept. of Inst. and Elec. Engg. Kolkata India Heritage Institute of Technology Dept.of ECE Kolkata West Bengal India Centre for Dev. of Adv. Computing Kolkata India

ISBN: (纸本)9781728173405

The development of a microcontroller-based data acquisition for the processing of the real-time data of a QCM sensor array-based E-Nose system and its output on a graphical user interface (GUI) has been discussed. The working model of the E-nose comprises 4 QCM sensors connected to a multi-core processor(P8X32A-Q44), a multi-core processor chip, which is connected serially to Raspberry-Pi4 where the data acquisition and processing is carried out. The live graphs of the frequency changes and related outputs can be viewed through the GUI, which is touch operated. The system is designed to take and simultaneously plot the real-time data continuously of the four QCM sensors for a particular sample and consequently perform composite analysis based upon the user choice. The GUI also allows the user to distinguish the samples using the principal component analysis (PCA) algorithm that has been developed using the Linux platform which has been implemented on the E-nose dataset. © 2020 ieee.

关键词： Data acquisition

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Scheme and strategy design for wireless charging of wireless sensor network in substation 1

Scheme and strategy design for wireless charging of wireless...

引用

1st ieee China international Youth conference on Electrical Engineering, CIYCEE 2020

作者： Wu, Jinling Liu, Kai Tian, Jie Li, Yan Zhang, Weixin Li, Ang Huazhong University of Science and Technology School of Electrical and Electronic Engineering State Key Laboratory of Advanced Electromagnetic Engineering and Technology Wuhan430074 China Shenzhen Power Supply Co. Ltd Shenzhen518001 China

ISBN: (纸本)9781728196596

Aiming at the need of online intelligent perception in substations, this paper designs and researches wireless sensor networks in substations. Apply the magnetic resonance wireless energy transmission technology, select the LCL-S circuit topology according to the circuit characteristics, design its charging scheme for wireless sensor nodes, and explain its applicability and advantages. Then, according to the characteristics of the substation, a wireless sensor network deployment scheme for the substation is proposed. Aiming at this scheme, the ant colony algorithm is used to design the wireless charging strategy of sensor nodes. The results show that the charge planning strategy based on the ant colony algorithm can ensure the overall and continuous operation of the substation wireless sensor network, and effectively reduce the energy consumption cost of the entire wireless sensor network. © 2020 ieee.

关键词： Magnetic resonance

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Method of Masking Digital Messages by Chaotic Sequences, Formed with Chebyshev Polynomials of the 1st Kind of Different Orders

Method of Masking Digital Messages by Chaotic Sequences, For...

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international Scientific-Practical conference Problems of Infocommunications Science and Technology

作者： Konstantyn Vasiuta Uliana Zbezhkhovska Valeriy Slobodyanuk Alla Kudriavtseva Kharkiv National Air Force University Kharkiv Ukraine Operational Command of the Ukrainian Air Force Vinnytsia Ukraine

ISBN: (纸本)9781665406833

Due to the wide application of signals with OFDM - modulation, security is becoming more and more important. In this paper, we propose a security method of masking digital messages in signals with OFDM-modulation by chaotic sequences formed with Chebyshev's polynomials of the 1-st kind of different orders. The evaluation of Independent and Identically distributed (IID) security (level of masking the signal to noise) of signals formed with the proposed method is passing over. Simulation results have shown that in comparison with systems that use harmonical signals with OFDM-modulation, chaotic signals with OFDM-modulation with signal constellation can ensure a higher level of IID-security. This has been confirmed by the computed values of Brock Dechert Scheinkman (BDS) statistics, the type of time realization, energy spectrum, and “shape” in the pseudo-phase space. The obtained results give grounds to claim that the application of the proposed method will allow providing the required level of IID-secrecy in systems with OFDM-modulation. Consequently, it can provide reliable data protection from unauthorized access, which is especially relevant for information telecommunication systems for special purposes.

关键词： Constellation diagram Chaotic communication Shape OFDM Simulation Modulation Chebyshev approximation

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