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Research on Scheduling Operation Platform Monitoring Technology Based on Classified Layered Observability Indicators 24

Research on Scheduling Operation Platform Monitoring Technol...

引用

5th international conference on Artificial Intelligence and Computer Engineering, ICAICE 2024

作者： Li, Shiming Lu, Jiangang Guo, Wenxin Wu, Yuezhou Wang, Chen Guangdong Power Grid Co. Ltd. Power Dispatching Control Center Guangdong Guangzhou China

ISBN: (纸本)9798400718007

At present, the traditional scheduling and operation platform only has the primary ability of local automatic inspection and single-point fault alarm, and has not formed the technical support system of unified operation monitoring and unified operation management, which is unable to meet the control business needs of the scheduling and operation platform in the spot environment. For this reason, this paper proposes the study of scheduling and operation platform monitoring technology based on classified hierarchical observability indicators, using machine learning, deep learning and other technologies to intelligently upgrade fault handling. The introduction of advanced data processing technology improves data processing capability and efficiency. Construct a unified inspection and monitoring technology system for the dispatching and operation platform to realise that the business operation status of the dispatching and operation platform is observable and measurable, the platform operation risks and hidden dangers are perceived in time, the platform faults are quickly located, and the fault treatment measures are automatically generated, so as to improve the stability and safety of the dispatching and operation platform. The monitoring system is continuously monitored and evaluated to ensure that it operates stably and meets the business requirements. The experimental results show that this method realises comprehensive, accurate and real-time monitoring of the platform's operation status by constructing a scientific and reasonable index system, which can effectively improve the ability to perceive operational security problems under the complex operating environment of the scheduling and operation platform's multi-service systems. © 2024 Copyright held by the owner/author(s). Publication rights licensed to ACM.

关键词： Observability

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Model-Based systems Engineering for the Design of an Intermodal High-Speed Freight Train Terminal 16

Model-Based Systems Engineering for the Design of an Intermo...

引用

16th Annual IEEE international systems conference (SysCon)

作者： Wucherpfennig, David Ehret, Marc Schoeberl, Maximilian Malzacher, Gregor Boehm, Mathias Fottner, Johannes German Aerosp Ctr DLR Inst Syst Dynam & Control Vehicle Syst Dynam Wessling Germany Tech Univ Munich Dept Mech Engn Mat Handling Mat Flow Logist Garching Germany German Aerosp Ctr DLR Inst Vehicle Concepts Vehicle Architectures & Lig Stuttgart Germany

ISBN: (纸本)9781665439923

Since rail traffic is the mode of mass transport with minimal transportation-related greenhouse gas emissions, it plays a key role in achieving the sustainability targets of the transportation sector. To enable a modal shift from road to rail the German Aerospace Center has developed the Next Generation Train CARGO, a high-speed freight train concept targeted to ship so-called Low-Density High Value goods on existing railway infrastructure. Studies have revealed that an intermodal transshipment terminal is key to a successful integration of the concept in current logistics networks. Driven by high requirements regarding handling, reliability, and time, the terminal is a complex intralogistics system strongly depending on the particular good that shall be handled. This work uses the principles and methods of Model-Based systems Engineering in a tailored modeling approach to specify a generic terminal system architecture. Based on this generic architecture an exemplary good-specific variant of the terminal is derived with focus on intralogistics freight handling. The chosen design approach is further evaluated regarding its suitability in context of intralogistics system design. The results of this work demonstrate that Model-Based systems Engineering is capable of successfully guiding architecture specification in the novel application domain of complex intralogistics facilities and further contributes to a consistent and comprehensive terminal design.

关键词： Model-Based systems Engineering intermodal terminal high-speed rail freight transport intralogistics

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modeling and control Techniques for Autonomous Underwater Vehicles - A Comprehensive Review

Modeling and Control Techniques for Autonomous Underwater Ve...

引用

Recent Advances in Science and Engineering Technology (ICRASET), international conference on

作者： V Baranidharan K Hari Murugesh K Gokulvasanth K Rahul Vikash D Jane Mystika S Renugadevi Department of ECE Bannari Amman Institute of Technology Sathy India Department of EIE Bannari Amman Institute of Technology Sathy India

ISBN: (数字)9798350388602

ISBN: (纸本)9798350388619

Underwater applications are rapidly increasing as we explore underwater and marine environments due to their unique characteristics. Due to uncertainties, disturbances, dynamic characteristics, and constraints, the effective design of AUV models and control systems is always a challenging task. The designed AUV model and its controller need to be robust by adapting to the reference model to overcome the issues that arise in underwater environments. This article presents a detailed view and comprehensive comparison of recently published AUV control methods, strategies, and models. This article also provides the mathematical modeling behind AUV dynamics based on the system’s framework in a detailed manner. This review also discusses the open problems in AUV modeling and control systems while suggesting the design and development of more novel and innovative strategies for researchers.

关键词： Adaptation models Analytical models Accuracy Uncertainty Reviews Computational modeling control systems Mathematical models Vehicle dynamics Convergence

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Robust Vector control of Interior Permanent Magnet Synchronous Motor with a Strategy of Maximum Torque per Ampere 8

Robust Vector Control of Interior Permanent Magnet Synchrono...

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8th IEEE international conference on Energy Smart systems, ESS 2022

作者： Buryk, Mykola Ostroverkhov, Mykola Buryk, Ivan National Technical University of Ukraine Igor Sikorsky Kyiv Polytechnic Institute Department of Electric Power Engineering and Automatics Kyiv Ukraine Konotop Institute of Sumy State University Department of Technology and Management Konotop Ukraine

ISBN: (数字)9798350334418

ISBN: (纸本)9798350399202

A robust system of vector control of the angular speed of the rotor of a synchronous electric drive for the first zone without field weakening is given. The strategy of maximum torque per ampere was used as the optimal control strategy. A synchronous machine with permanent magnets located in the middle of the rotor was used for the study. control algorithms for the vector system were developed based on the concept of inverse dynamics problems. The robustness of the automatic system was checked by varying the active resistance of the stator winding of the research machine and by evaluating the quality of the transients of the electromechanical coordinates of the system. The research was carried out by the method of mathematical modeling of the vector system. The energy performance of the system was also analyzed. © 2022 IEEE.

关键词： Vectors

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SeqFormer4D: Oftboard Attention-Based Trajectory Refinement with Long-Term Sequential Point Clouds 8

SeqFormer4D: Oftboard Attention-Based Trajectory Refinement ...

引用

8th CAA international conference on Vehicular control and Intelligence, CVCI 2024

作者： Tian, Xuelin Wang, Juntian Fan, Jiaqi Chu, Hongqing Gao, Bingzhao Chen, Hong School of Automotive Studies Tongji University Shanghai China Beijing Normal University - Hong Kong Baptist University United International College Computer Science and Technology Guangdong China Shanghai Research Institute for Intelligent Autonomous Systems Tongji University Shanghai China

ISBN: (纸本)9798331504892

Existing offline 3D detectors have yet to explore the rich information available in sequential point clouds fully. Typically, these detectors consist of two stages: first, objects are detected and tracked over time, and then each object trajectory is refined using a learned model to improve accuracy. However, object-centric refining models cannot fully leverage the long-term temporal context representation due to the object's motion state and the sparsity of point clouds. Track-centric refining models are overly complex and require further exploration in terms of encoding and interacting with sequential information while maintaining a simple pipeline. To tackle these problems, we propose a novel offboard 3D object detection paradigm called SeqFormer4D. It is a simple, efficient, and effective trajectory-level refinement approach. Specifically, we do not differentiate the sequence's motion state or regression targets. Instead, we combine all regression targets for refinement in a single forward propagation. Additionally, we introduce an attention mechanism in the refining module to facilitate global and local information interaction, strengthening contextual information across long-term sequential point clouds for object refinement using de-composed regression methods. Experimental evaluations on the Waymo Open Dataset(WOD) demonstrate that our SeqFormer4D outperforms 3DAL [2] with a 4.8% improvement in 3D APH for vehicles (Ll) and a 7.47% increase in RC in strict IoU threshold(0.8). © 2024 IEEE.

关键词： Object detection

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Hierarchical Nested modeling and Verification Method for AFS Mode Transition Based on SysML

Hierarchical Nested Modeling and Verification Method for AFS...

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Frontiers Technology of Information and Computer (ICFTIC), IEEE international conference on

作者： Jiale Fan Zhiqiu Huang Nanjing University of Aeronautics and Astronautics Nanjing Jiangsu China

ISBN: (数字)9798331541750

ISBN: (纸本)9798331541767

The Automatic Flight System (AFS) plays a crucial role in modern aviation, with flight mode transitions being key to managing different flight phases and control processes. However, its complex static structure and dynamic hierarchical modes pose challenges for system modeling and safety analysis. This paper proposes a hierarchical nested formal modeling and safety verification approach to address these challenges. First, a metamodel for AFS mode transitions is created. System modeling Language (SysML) is then utilized with domain-specific extensions and customizations for modeling requirements-related models and elements. Secondly, a comprehensive system-level hierarchical nested model is established based on these requirements. Finally, the customized SysML model is translated into NuSMV for automated model verification. A case study on the approach and landing phase of an aircraft demonstrates the effectiveness of this approach, enhancing system development efficiency and safety.

关键词： Analytical models Translation Atmospheric modeling Computational modeling Process control systems modeling systems modeling Language Safety Aircraft

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Robust modeling of Volumes for Dynamic Simulations of Thermo-Fluid Stream Networks 10

Robust Modeling of Volumes for Dynamic Simulations of Thermo...

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10th Vienna international conference on Mathematical Modelling (MATHMOD)

作者： Meissner, Michael Zimmer, Dirk German Aerosp Ctr DLR Inst Syst Dynam & Control Munchener Str 20 D-82234 Wessling Germany

modeling of complex thermo-fluid systems often leads to either many states or large non-linear systems of equations, which are both undesirable especially for real-time applications. Both of these issues can be solved by our algebraic stream-dominated approach to build hard real-time capable simulations. In this approach volume elements play a central role as boundaries and loop-breakers for fluid streams. In this paper, we first derive a lumped state standard volume model from first principle and then several specialized volumes for different applications. We regularize the models to perform robustly, even in degenerated operating conditions that might appear in dynamic simulations. While doing so, we show all approximations and assumptions used to arrive at the final models. Finally, we present some application examples showcasing the use of the different volumes for dynamic simulations. Alongside the models developed in this paper these examples are part of our open-source Modelica library and their implementation is therefore available. Copyright (C) 2022 The Authors.

关键词： robust modeling first-principle modeling real-time thermo-fluid systems dynamic simulation

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A First-Order Approach for Optimal control of Nonlinear Dynamical systems

A First-Order Approach for Optimal Control of Nonlinear Dyna...

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international conference on control, Decision and Information Technologies (CoDIT)

作者： Yun-Jung Kim Jin Choi Jiwoo Choi Jong-Han Kim Department of Aerospace Engineering Inha University Incheon Republic of Korea

ISBN: (数字)9798350373974

ISBN: (纸本)9798350373981

This paper introduces an efficient first-order optimization approach for optimal control of nonlinear dynamical systems. The primary challenges in these systems include nonlinearity in dynamics and nonconvexity in the constraints on state and control variables. Traditional sequential convex programming (SCP) methods, while commonly employed to address these challenges, are computationally demanding and rely heavily on initial conditions. Our proposed method reformulates nonlinear optimal control problems into linear control problems with nonconvex constraints, utilizing a first-order approach that projects onto nonconvex sets. This approach significantly reduces computational complexity, aligning it with that of solving a single convex problem. Numerical experiments on spacecraft orbit transfer with complex constraints validate the effectiveness of our algorithm in managing nonlinear optimal control problems with non-convex constraints.

关键词： Space vehicles Heuristic algorithms Optimal control Orbits Convex functions Nonlinear dynamical systems Information technology Computational complexity Optimization

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Automatic control System of Unmanned Aerial Vehicles and Drones

Automatic Control System of Unmanned Aerial Vehicles and Dro...

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international conference on control systems, Mathematical Modelling, Automation and Energy Efficiency (SUMMA)

作者： Aung Zayar Olga Mikhailovna Gerget Nu Nu War Dept. Innovative Technology (IT) Tomsk State University (TSU) Tomsk Russia V.A. Trapeznikov Institute of Management Problems of the Russian Academy of Sciences Moscow Russian Federation Dept. Information Communication Technology (ICT) University of Co-operative and Management Sagaing (UCMS) Sagaing Myanmar

ISBN: (数字)9798331532178

ISBN: (纸本)9798331532185

This article discusses drone use across the indus-try and industry by industry. The operation of unmanned aeri-al vehicles in the agricultural sector is described in more detail. This paper introduces the problems present in this department today and the ways in which driverless technology is used to solve these problems. Explains the important relationship be-tween automatic control system and integration in unmanned aircraft. It details the relationship between the technical components of UA V and drones the various connections of auto-mated devices. An example of the software used to control drones is provided.

关键词： Industries Productivity Automation control systems Autonomous aerial vehicles Mathematical models Software Energy efficiency Robots Drones

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Active Learning for Forward/Inverse Kinematics of Redundantly-driven Flexible Tensegrity Manipulator

Active Learning for Forward/Inverse Kinematics of Redundantl...

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IEEE/RSJ international conference on Intelligent Robots and systems (IROS)

作者： Yuhei Yoshimitsu Takayuki Osa Heni Ben Amor Shuhei Ikemoto Graduate School of Life Science and Systems Engineering Kyushu Institute of Technology Kitakyushu Fukuoka Japan Graduate School of Information Science and Technology The University of Tokyo Bunkyo Tokyo Japan Ira A. Fulton Schools of Engineering Arizona State University Tempe AZ USA

ISBN: (数字)9798350377705

ISBN: (纸本)9798350377712

In flexible redundantly-driven multi-DOF systems, like living beings, the representation of redundant kinematics including the diversity of solutions, is crucial for leveraging its distinctive characteristics. This paper proposes an active learning framework for forward and inverse modeling of complex kinematics that improves expressions of control space, task space, and null space. It consists of a Variational Auto Encoder (VAE)-type network that internally holds expressions of control space, task space, and null space, and an algorithm for selecting new data using the cross-entropy method. The validity of the proposed system was verified using a tensegrity manipulator driven by 40 pneumatic cylinders. As a result, it was confirmed that active learning contributed to achieving the entire range of motion covered and a well-organized representation of the null space.

关键词： Inverse problems Active learning Null space Kinematics Aerospace electronics Manipulators Motion control Intelligent robots

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