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Fuzzing for Power Grids: A Comparative Study of Existing Frameworks and a New Method for Detecting Silent Crashes in Control Devices

Fuzzing for Power Grids: A Comparative Study of Existing Fra...

引用

2023 IEEE Design Methodologies Conference, DMC 2023

作者： Uwibambe, Marie Louise Pan, Yanjun Li, Qinghua University of Arkansas Department of Electrical Engineering and Computer Science United States

ISBN: (纸本)9798350315547

Power grids serve as the backbone of modern society, supplying electricity for a wide range of critical uses, including the residential, commercial, and industrial sectors. As the power grid infrastructure becomes more reliant on networked digital technologies, it also becomes more vulnerable to cyberattacks. To ensure the resilience and security of the power grid, it is necessary to identify security vulnerabilities in power electronic devices. Fuzzing is an effective technique for detecting security flaws in software/firmware by subjecting the system under test to a series of unexpected inputs, which elicits unexpected behavior such as system crashes. While some work has been done on fuzzing power grid systems, there still lacks a comprehensive, comparative study of existing solutions. Furthermore, new methods are still needed to detect unexpected behaviors of power electronic devices during fuzzing. In this paper, we first conduct a survey and a comparative study of existing fuzzing frameworks for power grid systems. We then hypothesize and verify the use of electromagnetic waves as a method to detect silent system crashes in power electronic devices, aiming to advance fuzzing in this field. © 2023 IEEE.

关键词： Electromagnetic waves

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SVD Description to Subsurface Strata Based on Borehole Radar

SVD Description to Subsurface Strata Based on Borehole Radar

引用

2023 International Applied Computational Electromagnetics Society Symposium, ACES-China 2023

作者： Zhang, Hao Wang, Jian Huo, Jianjian Faculty of Electrical Engineering and Computer Science Ningbo University Ningbo China

ISBN: (纸本)9781733509657

Originally, borehole radar (BHR) is a subsurface geological structure detection and imaging tool. However, when borehole is filled with the very conductive medium, the radar wave will be attenuated seriously which results in BHR cannot work well. In this paper, a stratum evaluation method based on joint time-frequency analysis and singular value decomposition is developed. The method can be used to process the BHR data acquired from the conductive borehole condition. The evaluation results show a high correlation with the strata resistivity, and can be potentially used to classify the strata. Unlike the normal inversion of dielectric constant and conductivity, where massive computing resources are consumed, the proposed method is simple and rapid. Finally, the proposed method is verified by a data set acquired from a real BHR field test, and the results is compared with the conventional resistivity curves, which shows good correlation. © 2023 Applied Computational Electromagnetics Society (ACES).

关键词： Boreholes

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Extended Pulsation Attack Against Kalman Filter Driven BLDC Motor Control System 13

Extended Pulsation Attack Against Kalman Filter Driven BLDC ...

引用

13th International Conference on Advanced computer Information Technologies, ACIT 2023

作者： Boiko, Yuri Kiringa, Iluju Yeap, Tet University of Ottawa Electrical Engineering and Computer Science Department OttawaON Canada

The extended version of the induced pulsation attackis introduced through modeling and simulation, targeting a closed-loop-controlled architecture of a Brushless DC (BLDC) motor driven by a Kalman filter. Previously, the induced pulsations in the attack were created by a constant gradient linear function of the distortion coefficient employed by the attacker. In the updated version, the attack persists even when interruptions are introduced to the linear growth of the distortion function, followed by resetting it. The objective of the presented study isto assess the potential for enhancing the attack's effectiveness through this modification. The resulted findings confirm thattransforming the constant gradient linear function into a saw-tooth pattern leads to periodic repetitions of induced pulsations. Consequently, the attack can be extended indefinitely. Moreover,the attacker gains greater control over attack outcome by utilizing additional parameters introduced through the saw-like functionality, such as frequency and amplitude of saw-function. The study demonstrates two advantageous synchroniza-tion modes with the saw-function for the attacker: (1) modulatingcurrent, voltage, and angular speed in phase with the saw-function, providing a stronger attack but reduced covertness;(2) synchronizing current and voltage patterns with the first sub-harmonic of the saw-function while maintaining fundamental harmonic pace for angular speed modulation, resulting in improved covertness and consistent mechanical strains. Extended pulsation attack signatures collected in current, voltage, and angular speed domains aid in early detection through pattern recognition methods. © 2023 IEEE.

关键词： Controllers

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Auto-Correlation Properties of Binary Sequences Obtained by Switching Two Bernoulli Chaotic Binary Sequences 14

Auto-Correlation Properties of Binary Sequences Obtained by ...

引用

14th International Conference on Information and Communication Technology Convergence, ICTC 2023

作者： Tsuneda, Akio Fujikawa, Masahiro Kumamoto University Department of Computer Science and Electrical Engineering Kumamoto Japan

ISBN: (纸本)9798350313277

In Monte-Carlo simulations, various types of random numbers are necessary for simulating various kinds of stochastic phenomena. Using one-dimensional chaotic maps, we can design statistical properties of the chaotic sequences, which implies that chaotic sequences may be useful for Monte-Carlo methods. In this paper, we examine auto-correlation properties of binary sequences obtained by switching two chaotic binary sequences generated by Bernoulli map. It is shown that binary sequences with various new types of auto-correlation properties can be generated. © 2023 IEEE.

关键词： Auto-correlation function Bernoulli map chaotic binary sequence

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Evaluation of Compact and Modular SFCW GPR Systems for Detecting Buried Objects 30

Evaluation of Compact and Modular SFCW GPR Systems for Detec...

引用

30th International Conference on Systems, Signals and Image Processing, IWSSIP 2023

作者： Smogavec, Primoz Pongrac, Blaz Gleich, Dusan University of Maribor Faculty of Electrical Engineering and Computer Science Maribor Slovenia

ISBN: (纸本)9798350337297

Ground Penetrating Radar (GPR) systems have emerged as a reliable and non-destructive tool for subsurface object detection and characterization. In this paper, we present a comprehensive performance evaluation of two different stepped-frequency continuous wave (SFCW) GPR radars in application for detecting buried objects. Radars have the same structure, one is implemented on a single substrate with more than 300 elements and the second one is a modular implementation of radar using separately designed transmitter, receiver, and processing unit. The paper presents the design of both radars and their performances evaluation. The same TEM horn antennas were used for detecting subsurface objects using both these radars. The study focuses on two specific objects, an anti-tank mine and an anti-personal. The radar platforms have different output power and have different processing speeds, because they use different sets of electronic chips and FPGAs. The performance of GPR radars is assessed based on their ability to accurately detect and locate these objects. © 2023 IEEE.

关键词： Object detection

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Revisiting Data Poisoning Attacks on Deep Learning Based Recommender Systems 28

Revisiting Data Poisoning Attacks on Deep Learning Based Rec...

引用

28th IEEE Symposium on computers and Communications, ISCC 2023

作者： Wang, Zhiye Liu, Baisong Lin, Chennan Zhang, Xueyuan Hu, Ce Qin, Jiangcheng Luo, Linze Ningbo University Faculty of Electrical Engineering and Computer Science Ningbo China

ISBN: (纸本)9798350300482

Deep learning based recommender systems(DLRS) as one of the up-And-coming recommender systems, and their robustness is crucial for building trustworthy recommender systems. However, recent studies have demonstrated that DLRS are vulnerable to data poisoning attacks. Specifically, an unpopular item can be promoted to regular users by injecting well-crafted fake user profiles into the victim recommender systems. In this paper, we revisit the data poisoning attacks on DLRS and find that state-of-The-Art attacks suffer from two issues: user-Agnostic and fake-user-unitary or target-item-Agnostic, reducing the effectiveness of promotion attacks. To gap these two limitations, we proposed our improved method Generate Targeted Attacks(GTA), to implement targeted attacks on vulnerable users defined by user intent and sensitivity. We initialize the fake users by adding seed items to address the cold start problems of fake users so that we can implement targeted attacks. Our extensive experiments on two real-world datasets demonstrate the effectiveness of GTA. © 2023 IEEE.

关键词： Recommender systems

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Parallel Action Network Structure D3QN Based Channel Access and Power Control In DSA 18

Parallel Action Network Structure D3QN Based Channel Access ...

引用

18th IEEE Conference on Industrial Electronics and Applications, ICIEA 2023

作者： Lin, Kaicheng Jin, Ming He, Ming Ningbo University Faculty of Electrical Engineering and Computer Science Ningbo China

ISBN: (纸本)9798350312201

Underlay dynamic spectrum access (DSA) has powerful effectiveness and efficiency for sharing radio spectrum among DSA users. But two fundamental issues have to be addressed: 1) avoiding harmful interference to Primary User (PU), 2) enabling effective transmission and coordinating interference with other Secondly User (SU). To solve the aforementioned issues, we propose a novel channel access and power control algorithm, which named Parallel Action Network Structure (PANS) Deep Double Dueling Q-Network (D3QN). Additionally, We enable SUs flexibly determine whether to perform single-channel transmission or have the opportunity for dual-channel transmission based on the current state. With the support of the two innovations mentioned above, SUs can independently select channels and control transmission power, further more improve their *** numerous simulation results demonstrate the effectiveness and reliability of the proposed algorithm. © 2023 IEEE.

关键词： Access control

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A Hybrid Three-Port Topology for Urban Charging Stations 14

A Hybrid Three-Port Topology for Urban Charging Stations

引用

14th Annual IEEE Applied Power Electronics Conference and Exposition, APEC 2025

作者： Klidbari, Mohammadreza Khodaparast Souri, Naser Habibolahi, Zahra Sadat Montazeri Hedeshi, Hamid K. N. Toosi University of Technology Faculty of Electrical Engineering Tehran Iran Virginia Tech The Bradley Department of Electrical and Computer Engineering United States Iran University of Science and Technology Department of Electrical Engineering Tehran Iran University of Tabriz Faculty of Electrical and Computer Engineering Tabriz Iran

ISBN: (纸本)9798331516116

Electric vehicles are rapidly gaining popularity as a sustainable alternative to conventional gasoline. In urban areas, chargers with different ratings can accommodate the diverse needs of electric vehicles. However, the available multiport topologies have variable switching frequencies. This paper introduces a hybrid multiport isolated DC-DC converter for urban charging stations, incorporating fast and slow charging ports with a fixed switching frequency. It provides isolation and enables soft switching on the primary side of the converter without circulating current on its secondary side. The primary side does not need feedback, which reduces complexity. The second stage generates a wide output voltage range to charge the electric vehicle battery by employing a switch. In addition, the proposed topology offers reduced component count and simple control with fixed-frequency operation. This paper provides the concept and the operation modes. Experimental results are provided to validate its features. The prototype converter achieves 96% peak efficiency. © 2025 IEEE.

关键词： Topology

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FDTD Method for Calculating Transient Responses of Twisted-Wire Pairs above Ground

FDTD Method for Calculating Transient Responses of Twisted-W...

引用

2023 International Applied Computational Electromagnetics Society Symposium, ACES-China 2023

作者： Wang, Ying Sun, Kangmin Wang, Jian Ningbo University The Faculty of Electrical Engineering and Computer Science Ningbo China

ISBN: (纸本)9781733509657

In this paper, finite-difference time-domain (FDTD) method for transmission line equations in Taylor field-to-wire coupling form is adopt to calculate the transient response of twisted-wire pairs (TWP) above perfect electric conductor (PEC) ground plane. First, the proposed method is verified by comparing the results with CST. Then, the terminal response of TWP under dual-exponential pulse wave irradiation is compared with CST, validating the accuracy of the proposed method. Last, the terminal voltage and current responses of the TWP are analyzed with different incident wave directions. © 2023 Applied Computational Electromagnetics Society (ACES).

关键词： Finite difference time domain method

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Manifold Optimization for Data Driven Reduced-Order Modeling∗ 59

Manifold Optimization for Data Driven Reduced-Order Modeling...

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59th Annual Allerton Conference on Communication, Control, and Computing, Allerton 2023

作者： Newton, Rachel Du, Zhe Balzano, Laura Seiler, Peter University of Michigan Department of Electrical Engineering and Computer Science United States

ISBN: (纸本)9798350328141

The focus of this paper is on data-driven reduced-order modeling. We assume a high fidelity, discrete-time model is available for simulation. The simulator allows state and output trajectories to be collected for any specified initial condition and input signal. An optimal reduced-order model (ROM) requires: (i) the selection of a lower dimensional subspace for the state of the ROM, and (ii) an optimal reduced-order state-space model (evolving on the lower dimensional subspace). A common heuristic is to: (i) select the lower-order subspace using proper orthogonal decomposition (POD), and (ii) use least-squares to fit the reduced-order state-space model on the POD subspace. We demonstrate the potential deficiencies of this heuristic via two simple examples. In order to address these deficiencies, we propose a novel method to optimize the choice of subspace using the Grassmann manifold. Finally, we show that our proposed manifold optimization empirically outperforms the POD heuristic on the two motivating examples and a planar wind farm model. © 2023 IEEE.

关键词： Optimization

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