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Generalized Likelyhood Ratio based Detection on Cyber-Attacks 37

Generalized Likelyhood Ratio based Detection on Cyber-Attack...

引用

37th Youth Academic Annual Conference of Chinese Association of Automation, YAC 2022

作者： Wu, Hao Zhang, Deyu Dept. of Software Henan University of Engineering Zhengzhou China Institute for Automatic Control and Complex Systems University of Duisburg-Essen Duisburg Germany

ISBN: (纸本)9781665465366

In this paper, a generalized likelihood ratio based detection algorithm with a statistical method for threshold setting is proposed to detect cyber-attacks on a unified remote control architecture. Based on an encoder and a decoder embedded on plant side and remote controller side, respectively, not only additive interrupted signal (only effecting output or input signal), but also multiplicative attack signal could be detected easily. Finally, three numerical examples are provided to validate our proposed scheme. © 2022 IEEE.

关键词： Remote control

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Fail-Safe Decision Architecture for Positioning Failures on Automated Vehicles 9

Fail-Safe Decision Architecture for Positioning Failures on ...

引用

9th IEEE Smart World Congress, SWC 2023

作者： Rodriguez-Arozamena, Mario Aranguren-Mendieta, Inigo Perez, Joshue Zubizarreta, Asier Tecnalia Basque Research and Technology Alliance Bilbao Derio Spain Basque Research and Technology Alliance Industry and Mobility Unit Tecnalia Derio Spain Dept. of Automatic Control and Systems Engineering Bilbao Spain

ISBN: (纸本)9798350319804

Precise localization is essential for the operation of Connected and Automated Vehicles (CAVs) in urban scenarios. Camera and LiDAR-based solutions are currently used in some of the CAVs around the world, but they entail an expensive performance in terms of computational time and economic cost. Due to this, Global Navigation Satellite System (GNSS) based solutions remains the preferred solution for positioning Automated Vehicles in different Operational Design Domains (ODDs). Although several improvements in system reliability have been made recently, in case of positioning failures most of the architectures rely on system redundancy or automation disengagements to achieve minimal risk conditions. This paper presents a fail-safe decision architecture for mitigating positioning failures of automated vehicles in urban scenarios. The proposed architecture utilizes a combination of sensor fusion localization and decision-making modules to ensure the safe and efficient operation of the vehicle in the event of a positioning failure. The proposed approach is evaluated through simulation in a representative urban scenario and is shown to effectively handle positioning failures, improving the localization accuracy provided by each information source. © 2023 IEEE.

关键词： automated driving fail-safe operation fallback strategy positioning failure safe state

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The Efficiency of Conductor Placement in Circuits with Single Modal Redundancy in Differential and Common Modes 24

The Efficiency of Conductor Placement in Circuits with Singl...

引用

24th IEEE International Conference of Young Professionals in Electron Devices and Materials, EDM 2023

作者： Lakoza, Alexandr M. Kosteletsky, Valery P. Tomsk State University of Control Systems and Radioelectronics Dept. of Microwave and Quantum Radio Engineering Tomsk Russia

ISBN: (纸本)9798350336870

This article presents the results of selecting, justifying, and optimizing the cross section parameters for a modal filter (MF) with single modal redundancy (MR). This filter is employed for protecting circuits from interfering ultrashort pulses (UPS) in differential and common mode. The results demonstrate that the attenuation coefficient in the differential and common modes depends on the width of the active conductor and the distance between the structures. As a result, we present their optimal values. It is shown that the location of primary (reserved) and secondary (reserving) conductors in a four-wire MF has a significant impact. The smallest voltage value at the MF output is observed when EMF sources are connected to the most remote conductors both in differential and in common mode for four types of pulses. Insertion loss values in differential mode were minus 5.19, 11.57, 5.26, and 5.22 dB, while in common mode - minus 5.45, 11.7, 5.65, and 5.65 dB for trapezoidal, digitized, unipolar and bipolar action, respectively. Switching to closer pairs of conductors degrades insertion loss levels by 0.57-0.76 dB for common mode, and 0.61-0.82 dB for differential modes, depending on the selected lines. © 2023 IEEE.

关键词： Redundancy

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Intelligent control of Mobile Robots with ANN Assisted Improved Q-learning: IQ-CRL Algorithm

Intelligent Control of Mobile Robots with ANN Assisted Impro...

引用

2023 IEEE IAS Global Conference on Emerging Technologies, GlobConET 2023

作者： Rastogi, Digant Jain, Manika Rayguru, Madan M. Valluru, Sudarshan K. Delhi Technological University Control of Dynamical Systems and Computation Laboratory Dept. of Electrical Engineering Delhi India

ISBN: (纸本)9798350331790

This paper presents a novel algorithm, IQ-CRL (Improved Q-learning using Classification and Regression with ANN), which is a control architecture that uses the existing Q-learning algorithm and integrates it with Artificial Neural Networks (ANNs). The proposed algorithm addresses the limitations of traditional Q-learning by incorporating an adaptive mechanism that leverages ANN to find an optimal control policy that is more accurate and at lower computational expense. IQ-CRL is designed to be used efficiently with dynamical systems such as mobile robots. The objective of this study is to evaluate the performance of IQ-CRL in comparison to classical Q-learning and PID controller. The results show that the IQ-CRL algorithm outperforms both the classical Q-learning and PID controller in terms of learning efficiency, control accuracy and computing complexity. © 2023 IEEE.

关键词： Mobile robots

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Design & Validation of ANN based Reinforcement Learning control Algorithm for Coupled Tank System 8

Design & Validation of ANN based Reinforcement Learning Cont...

引用

8th IEEE International Conference for Convergence in Technology, I2CT 2023

作者： Rastogi, Digant Jain, Manika Rayguru, Madan M. Valluru, Sudarshan K. Delhi Technological University Control of Dynamical Systems and Computation Lab Dept. of Electrical Engineering Delhi India

ISBN: (纸本)9798350334012

This paper presents a framework to apply Reinforcement Learning control algorithm on benchmark nonlinear dynamical systems. This work focuses on a novel Artificial Neural Network (ANN) based dynamic programming approach using Value Iteration to obtain optimal control for continuous-time nonlinear system. In particular, Coupled Tank System has been chosen to represent benchmark nonlinear dynamical system. The proposed Artificial Neural Network-Reinforcement Learning (ANN-RL) algorithm, Naive Reinforcement Learning (Naive-RL) algorithm and traditional PID control schemes are investigated on coupled tank system. The ANN-RL algorithm performs better than the Naive-RL and PID controllers in terms of steady state error, stability, oscillations and overshoot. © 2023 IEEE.

关键词： Reinforcement learning

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Digital Retail Shop Services in Cyber-Physical Retail System: A Case Study of Food Business 3

Digital Retail Shop Services in Cyber-Physical Retail System...

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3rd International Symposium on Instrumentation, control, Artificial Intelligence, and Robotics, ICA-SYMP 2023

作者： Yensabai, Chavapol Ngoenthai, Waranyu Leangarun, Teema Koolpiruck, Diew King's Mongkut University of Technology Thonburi Dept. of Control Systems and Instrumentation Engineering Bangkok Thailand

ISBN: (纸本)9781665473538

Food demand is expected to grow substantially as a result of major factors such as population. It necessitates that food manufacturers streamline their supply chain to accommodate shorter product life cycles. To manage sustainable food solutions and successful supply chain management, cyber-physical systems at the supply chain level attempt to challenge the integration of data from suppliers, manufacturing, logistics, and retail. The implementation of Cyber-Physical Retail systems (CPRS) was developed to sense and analyze dynamic market environments to modify sales and shop operation activities. The data were collected from several ERP modules and operational technology (OT) data. The shop CPS was managed using the OSIsoft-PI platform, which is based on service-oriented architecture (SOA) and then integrated into the Enterprise Cloud. The customer analytics service in CPRS was used as an example of a self-aware concept to notify the sales function and was implemented on the Azure platform. The results show that churn prediction in retail shops can be detected monthly for warning sales staff based on the customer object goal. The models that were used are RF, LR and GBC. The overall performance of GBC outperforms all measures with 78.05% accuracy. While the remaining were around 65%. © 2023 IEEE.

关键词： Cyber Physical System

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Features of Space Vector Pulse Width Modulation in 5-phases Cascaded High Voltage Converters 5

Features of Space Vector Pulse Width Modulation in 5-phases ...

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5th IEEE KhPI Week on Advanced Technology, KhPIWeek 2024

作者： Busher, Victor Chornyi, Oleksii Tytiuk, Valerii Glazeva, Oksana Kuznetsov, Vitaliy Dept. of Electrical Engineering and Electronics National University "Odessa Maritime Academy" Odessa Ukraine Institute of Electromechanics Energy Saving and Automatic Control Systems Kremenchuk Mykhailo Ostrohradskyi National University Kremenchuk Ukraine Kryvyi Rih National University Kryvyi Rih Ukraine Dept. of the electrical engineering Ukrainian State University of Science and Technologies Dnipro Ukraine

ISBN: (纸本)9798350384499

The purpose of this work is to analyze the capabilities of space-vector pulse-width modulation when controlling a 5-phase high-voltage cascade frequency converter in normal mode and several types of emergency situations. Taking into account the large number of controlled power transistors, an asynchronous modulation method is proposed, based on calculating the amplitude values of individual phases at each time based on the duty cycle of space vectors, which allows the control system to use independent switching in each phase. In emergency modes, when individual H-bridges are damaged, it is proposed to use the balanced space vectors method, which ensures the symmetry of the electromagnetic field in the event of a short circuit of both individual cascades and one or two phases of the inverter. Methodology. We use a mathematical and geometric interpretation of variable amplitude space vectors when projecting voltages onto a symmetrical 5-phase load. Results. Analysis of the 1st harmonic of phase voltages showed that the use of the space vector modulation method in the normal operating mode of a 5-phase converter makes it possible to increase the utilization factor of DC voltage sources by 23.1% (instead of 15.6% for a 3-phase converter). If individual H-bridges fail and the voltages in the load phases are balanced, the utilization factor may decrease, but in any case it will remain greater than 1. In this case, the higher harmonics, despite significant distortions in the shape of the phase voltages, are mutually compensated in the electromagnetic field of the load, as evidenced by absence of pulsations and shocks on the graphs of transient processes of the electromagnetic torque of the engine. Balancing of the electromagnetic field in the load is maintained even if one or two phases of the inverter are short-circuited. This significantly increases the survivability of the electric drive, which is especially important in critical mechanisms and technological processes,

关键词： Electric motors

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Synthesis of Model Predictive control for an Electrohydraulic Servo System Using Orthonormal Functions 5

Synthesis of Model Predictive Control for an Electrohydrauli...

引用

5th IEEE International Conference on Communications, Information, Electronic and Energy systems, CIEES 2024

作者： Mihalev, Georgi Yordanov, Stanimir Ormandzhiev, Krasimir Stoycheva, Hristina Todorov, Todor Technical University of Gabrovo Dept. of Automation Information and Control Systems Gabrovo Bulgaria Technical University of Gabrovo Dept. of Power Engineering Gabrovo Bulgaria Technical University of Gabrovo Dept. of Comunication Technique and Technologies Gabrovo Bulgaria

ISBN: (纸本)9798350352863

The paper presents the implementation of a Continuous-Time Model Predictive control (CMPC) regulator for controlling an electrohydraulic servo system. The control object is a test bench consisting of three modules and a PC-based data acquisition and control system. The system is modeled in state-space form, accounting for parametric uncertainties. The synthesis of the model predictive controller is performed by approximating the control signal using Laguerre orthonormal functions. The article includes mathematical formulas and relationships that illustrate the modeling approach. Simulations and robust analysis of the closed-loop system are conducted. Through a real-time control system, experimental data and graphs are obtained, demonstrating the performance and optimality of the synthesized control strategy. © 2024 IEEE.

关键词： Model predictive control

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Averaged Models and Analysis of a Three-Phase CSI as a Dual of a Three-Phase VSI 25

Averaged Models and Analysis of a Three-Phase CSI as a Dual ...

引用

25th IEEE International Conference on Industrial Technology, ICIT 2024

作者： Pujol, Pau Boira Dòria-Cerezo, Arnau Griñó, Robert Universitat Politècnica De Catalunya Barcelona Spain Ioc Universitat Politècnica De Catalunya Dept. Electrical Engineering Barcelona Spain Ioc Universitat Politècnica De Catalunya Dept. Automatic Control Barcelona Spain

ISBN: (纸本)9798350340266

The averaged model of a current source inverter (CSI) as a voltage source inverter (VSI) dual is presented in this paper. The differential equations defining the CSI are in-troduced in matrix representation for phase-to-phase and phase-to-neutral voltages and expressed using the Clarke and Park transformations. This multiple-input, multiple-output system is studied through the transfer function matrix of the linearized model, and the results are related to original CSI dynamics. Finally, open-loop simulations using Matlab/Simulink and realtime Typhoon-HIL have been carried out to validate the models. © 2024 IEEE.

关键词： Simulink

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Representation of ICI as AWGN in PD-NOMA System Model 24

Representation of ICI as AWGN in PD-NOMA System Model

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24th IEEE International Conference of Young Professionals in Electron Devices and Materials, EDM 2023

作者： Kryukov, Yakov V. Pokamestov, Dmitriy A. Brovkin, Andrey A. Tomsk State University of Control Systems and Radioelectronics Dept. of Telecommunications and Basic Principles of Radio Engineering Tomsk Russia

ISBN: (纸本)9798350336870

Power Domain Non-Orthogonal Multiple Access (PD-NOMA) is recognized as one of the most promising technologies for next-generation multiple access in future wireless networks. Such multiplexing leads to the controlled inter-channel interference (ICI) cancelled at the receiver. In reality, ICI is represented as quadrature amplitude modulated (QAM) symbols (or other modulation). However, the vast majority of research papers use signal models in which ICI is represented as the additive white Gaussian noise (AWGN) with the equivalent power. Yet, such a replacement is not fully equivalent, because it reduces the accuracy of signal decoding. This is a significant simplification of the system model, which results in an additional inaccuracy in obtaining a number of system characteristics. This paper presents an approach that allows solving this problem and representing ICI as AWGN by means of a coefficient without increasing the decoding error. It also describes an expression for calculating the coefficient obtained and its performance confirmed by simulation results. © 2023 IEEE.

关键词： Decoding

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