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30th international conference on Mixed Design of Integrated Circuits and System (MIXDES)

作者： Schwarz, Mike Darbandy, Ghader Roemer, Christian Dersch, Nadine Kloes, Alexander THM Univ Appl Sci NanoP Giessen Germany Univ Rovira i Virgili DEEEA Tarragona Spain

ISBN: (纸本)9788363578244

Silicon or general semiconductor device and sensor simulation/modeling is demanded by both, academia and industry. Nowadays, the increase in costs and resources for both domains require strategies to reduce those. This means to investigate new technologies and/or use cases during research and development by simulation/modeling, e.g. process corners by calibrated process simulations. These strategies allow in academia and industry for faster prototyping in all development phases to enhance yield, lower costs, decrease wafer fab process duration, improve technologies, and many more. In this lecture, typical examples of research and industry are presented. Key aspects during simulation/modeling are discussed by several examples.

关键词： modeling simulation semiconductor device sensor

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FuNToM: Functional modeling of RF Circuits Using a Neural Network Assisted Two-Port Analysis Method 42

FuNToM: Functional Modeling of RF Circuits Using a Neural Ne...

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42nd ieee/ACM international conference on Computer-Aided Design (ICCAD)

作者： Fayazi, Morteza Taba, Morteza Tavakoli Tabatabavakili, Amirata Afshari, Ehsan Dreslinski, Ronald Univ Michigan Ann Arbor MI 48109 USA

ISBN: (纸本)9798350322255

Automatic synthesis of analog and Radio Frequency (RF) circuits is a trending approach that requires an efficient circuit modeling method. This is due to the expensive cost of running a large number of simulations at each synthesis cycle. Artificial intelligence methods are promising approaches for circuit modeling due to their speed and relative accuracy. However, existing approaches require a large amount of training data, which is still collected using simulation runs. In addition, such approaches collect a whole separate dataset for each circuit topology even if a single element is added or removed. These matters are only exacerbated by the need for post-layout modeling simulations, which take even longer. To alleviate these drawbacks, in this paper, we present FuNToM, a functional modeling method for RF circuits. FuNToM leverages the two-port analysis method for modeling multiple topologies using a single main dataset and multiple small datasets. It also leverages neural networks which have shown promising results in predicting the behavior of circuits. Our results show that for multiple RF circuits, in comparison to the state-of-the-art works, while maintaining the same accuracy, the required training data is reduced by 2.8x - 10.9x. In addition, FuNToM needs 176.8x - 188.6x less time for collecting the training set in post-layout modeling.

关键词： Functional modeling RF circuits two-port analysis neural network post-layout

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An Improved Crystal Cell Offset modeling and Atom Coding Approach for Monte Carlo simulation of Quartz Wet Etching 5

An Improved Crystal Cell Offset Modeling and Atom Coding App...

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5th international conference on Sensing, Measurement and Data Analytics in the Era of Artificial Intelligence, ICSMD 2024

作者： Chen, Qi Xu, Zibo Song, Shuanqiang Lv, Chenbao Zhao, Xinjia Zhao, Meng Ji, Jing School of Mechano-Electronic Engineering Xidian University Xi'an China

ISBN: (纸本)9798331529192

Wet etching of quartz is an important microfabrication technique for etching and patterning structures by etching material surfaces using liquid chemicals. However, because of its complex anisotropy, the simulation of the etching results is often difficult to predict and control. In this paper, we propose a new modeling method based on Monte Carlo method by calculating the offsets between the cells of quartz atoms, and a new atomic coding method that can quickly determine the characteristic properties around each atom and distinguish between bonds with the same bond lengths but different types. Compared with the traditional modeling method, the algorithm reduces the amount of computation and computation time by avoiding a large number of computational processes during modeling and the need to traverse all other atoms to determine the configuration state of the target atom after the modeling is completed. The subsequent simulation results are basically consistent with the experimental graphical comparisons, providing a new modeling method and atom encoding approach for the simulation modeling of etched structure and morphology prediction of other cut types. © 2024 ieee.

关键词： Wet etching

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Cooperative, Connected and Autonomous Mobility: A simulation Framework for Evaluating Coordination Mechanisms 26

Cooperative, Connected and Autonomous Mobility: A Simulation...

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ieee 26th international conference on Intelligent Transportation Systems (ITSC)

作者： Filipe, Francisco Kokkinogenis, Zafeiris d'Orey, Pedro M. Rossetti, Rosaldo J. F. Univ Porto Fac Engn Porto Portugal Univ Porto Fac Engn Dept Informat Engn Lab Artificial Intelligence & Comp Sci LIACC Porto Portugal Polytech Inst Porto ISEP CISTER Porto Portugal Univ Porto Fac Sci Dept Comp Sci Porto Portugal

ISBN: (纸本)9798350399462

Autonomous driving and vehicular networking have gained traction during the last decade. simulation is one of the major tools for assessing coordination mechanisms (e.g. intersection control), especially when considering autonomous vehicles. This study proposes a simulation framework for researching MAS-based coordination mechanisms. The framework includes three main components for accurately replicating the scenario, namely a traffic simulator for modeling vehicle dynamics and interactions, a network simulator modeling vehicular networks and a BDI-based agent simulator for modeling cognitive decision-making abilities. We perform a preliminary analysis of the framework to assess its capability to cope with average complexity coordination mechanisms in connected and autonomous vehicle settings.

关键词： Autonomous vehicles

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InterSim: Interactive Traffic simulation via Explicit Relation modeling

InterSim: Interactive Traffic Simulation via Explicit Relati...

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ieee/RSJ international conference on Intelligent Robots and Systems (IROS)

作者： Sun, Qiao Huang, Xin Williams, Brian C. Zhao, Hang Tsinghua Univ IIIIS Beijing Peoples R China MIT CSAIL Cambridge MA 02139 USA

ISBN: (数字)9781665479271

ISBN: (纸本)9781665479271

Interactive traffic simulation is crucial to autonomous driving systems by enabling testing for planners in a more scalable and safe way compared to real-world road testing. Existing approaches learn an agent model from large-scale driving data to simulate realistic traffic scenarios, yet it remains an open question to produce consistent and diverse multiagent interactive behaviors in crowded scenes. In this work, we present InterSim, an interactive traffic simulator for testing autonomous driving planners. Given a test plan trajectory from the ego agent, InterSim reasons about the interaction relations between the agents in the scene and generates realistic trajectories for each environment agent that are consistent with the relations. We train and validate our model on a large-scale interactive driving dataset. Experiment results show that InterSim achieves better simulation realism and reactivity in two simulation tasks compared to a state-of-the-art learning-based traffic simulator.

关键词： Roads Traffic control Data models Trajectory behavioral sciences Task analysis Autonomous vehicles

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Analysis of Material, Design & LER of Advanced BEOL Metal Lines Using Process modeling

Analysis of Material, Design & LER of Advanced BEOL Metal Li...

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ieee international Interconnect Technology conference (IITC) / ieee Materials for Advanced Metallization conference (MAM)

作者： Yim, Daebin Vincent, Benjamin Lam Res GK Kyoto Japan Lam Res Meylan France

ISBN: (纸本)9798350310979

We study interconnect metallization options in advanced logic BEOL. Our goal is to choose interconnect materials and process integration options that will reduce RC delay and improve electrical performance. We use process modeling and electrical simulation methods to investigate the impact of metal materials, process variations and LER on the resistance and capacitance of interconnects. Three metal material options are selected, including conventional Cu and Co schemes along with barrier-less Ru. These metal choices are benchmarked to compare and choose the best material and dimensional attributes for advanced Logic BEOL, where traditional scaling may exacerbate RC delay and degrade performance.

关键词： Virtual Fabrication SEMulator3D Process Variation Pathfinding BEOL Interconnects Barrier Resistivity RC Extraction Line Edge Roughness

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modeling a Wet Wafer Surface Processing Chain

Modeling a Wet Wafer Surface Processing Chain

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ieee international Interconnect Technology conference (IITC) / ieee Materials for Advanced Metallization conference (MAM)

作者： Huber, Max Zienert, Andreas Schuster, Joerg Fraunhofer Inst Elect Nano Syst ENAS Chemnitz Germany Tech Univ Chemnitz Ctr Mat Architectures & Integrat Nanomembranes MA Chemnitz Germany Tech Univ Chemnitz Ctr Microtechnol Chemnitz Germany

ISBN: (纸本)9798350310979

We present a wet wafer surface processing chain model that allows process engineers to optimize their technological processes concerning total process time. As an example, we study the water layer thickness on wafers from rinsing to the conditions directly before bonding. As part of this process, we focus on simulations of the wafer temperature change in a bond chamber during evacuation. The gas temperature change is calculated using a literature-known model. With this, the wafer surface temperature and the temperature profile along the symmetry axis of the wafer are calculated using Newton's law of cooling and the heat equation, respectively.

关键词： wafer bonding thin films numerical simulation modeling vacuum systems

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A Multi-Machine Equivalent modeling Method of T-Connected Inverter-Interfaced Distributed Generation Suitable for Protection Setting Calculation of Distribution Network 7

A Multi-Machine Equivalent Modeling Method of T-Connected In...

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7th international conference on Energy, Electrical and Power Engineering (CEEPE)

作者： Wang, Jiaojiao Wang, Feng Zhu, Jia Zhou, Juntao Guangdong Power Grid Co Ltd Maoming Power Supply Bur Maoming Peoples R China Guangdong Power Grid Co Ltd Elect Power Dispatching & Control Ctr Guangzhou Peoples R China

ISBN: (纸本)9798350375794;9798350375800

With the increasing penetration of distributed generation (DG) in the distribution network, the high proportion of grid-connected DG not only brings many advantages to the operation of the distribution grid, but also puts forward higher requirements for the efficiency of simulation modeling. In this paper, an equivalent modeling method suitable for protection setting calculation is proposed for the distribution network with large-scale T-connected B-type inverter-interfaced DG. Firstly, the DGs located in the same protection zone are divided into the same area. Then, the equivalent modeling of multiple DGs in each area is carried out with a single DG, and the influence of the access location and capacity of each DG on the steady-state short-circuit current at the protection is fully considered. The position of the equivalent modeling is determined by calculating the weighted relationship between the capacity and distance of each DG. Finally, the accuracy of the proposed equivalent method is verified based on the improved ieee30 node system on MATLAB.

关键词： distribution network distributed generation T-connected equivalent modeling short-circuit current

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AIoTML: A Unified modeling Language for AIoT-Based Cyber–Physical Systems

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ieee TRANSACTIONS ON COMPUTER-AIDED DESIGN OF INTEGRATED CIRCUITS AND SYSTEMS 2023年第11期42卷 3545-3558页

作者： Hu, Ming Cao, E. Huang, Hongbing Zhang, Min Chen, Xiaohong Chen, Mingsong East China Normal Univ MoE Engn Res Ctr Hardware Software Codesign Techno Shanghai 200062 Peoples R China

Due to deeply intertwined physical and hardware/software components together with an increasing number of interconnected heterogeneous devices powered by artificial intelligence (AI) techniques, the design complexity of cyber-physical systems (CPSs) becomes skyrocketing. Model-driven engineering (MDE) methods have been proven to be effective in increasing the productivity of CPS design. However, there is still a lack of MDE approaches that enable design space exploration as well as the code generation for the design of Artificial Intelligence of Things (AIoT)-based CPSs. To mitigate the situation, this article presents a unified modeling language named AIoTML for AIoT-based CPSs, which enables the construction of AI-based components across different modeling levels for the purposes of intelligent sensing and control. By extending the constructs of state-of-the-art domain-specific language (DSL) ThingML, AIoTML can seamlessly unify the modeling of both autonomous executions of AIoT devices and their surrounding physical environment, which facilitates both platform-independent simulation and control optimization for platform-specific CPSs. The compiler developed for AIoTML provides a family of code generators to support the construction of digital twins on various heterogeneous target AIoT platforms. Comprehensive evaluations on two complex real-world designs demonstrate the effectiveness of our AIoTML approach in the fast development of AIoT-based CPSs with high control quality.

关键词： Internet of Things Artificial intelligence Codes DSL Cloud computing Digital twins behavioral sciences Artificial intelligence Internet of Things (AIoT) cyber-physical systems (CPSs) domain-specific language (DSL) model-driven engineering (MDE) ThingML

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Road Network modeling and simulation Based on Sysml Meta-Model

Road Network Modeling and Simulation Based on Sysml Meta-Mod...

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2024 international conference on Energy and Electrical Engineering, EEE 2024

作者： Zhang, Zhengyu Hu, Baokun Huang, Yuqian Yang, Xuejian Hangzhou Normal University Hangzhou China

ISBN: (纸本)9798350341768

With the advancement of urban construction, the design process of urban road network becomes more and more complex. The huge road data and complex road planning greatly increase the difficulty of road network design. The research proposes a road network design idea based on the Systems modeling Language (SysML) meta-model. In the early stage of road network design, this method can enhance the plane expression ability of the model, and rich road attribute data can be added to the model to enhance the flexibility of road network data. In the experiment, we constructed the corresponding meta-model and built the road network model according to the relevant knowledge of the road network, studied the model batch data import technology and provided road and traffic data for the road network model through the public simulation data set, combined with the addressing algorithm and BPR algorithm to develop a simulation method for path planning. Finally, through a simulation experiment, successfully shows the shortest distance and shortest time route diagram from the specified starting point to the specified end point, which verifies the feasibility of the method proposed in this paper. Road network design based on SysML meta-model can improve the efficiency of basic road network modeling and reduce modeling costs to a certain extent. This research provides an important reference for the follow-up model-based systems engineering research on road network modeling. © 2024 ieee.

关键词： Digital elevation model

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