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IEEE International Conference on Industrial Informatics (INDIN)

作者： Felix Uster Dirk Timmermann Institute of Applied Microelectronics and Computer Engineering University of Rostock Rostock Germany

Renewable energies lead to a decentralization of power generation but also to a destabilization of the power grid, as photovoltaic or wind turbine systems provide nearly zero inertia that is essential for a stable power grid. Leveraging consumer devices to support already present grid control systems counter the growing grid instability. These devices may adapt their power consumption continuously, rather than erratic on-off switching, to provide a grid-friendly stabilization effect. Simulations with a grid model of Continental Europe and multiple consumer load control schemes with different consumer-impact levels were performed to analyze stabilization effect and user tolerability. The results show effective stabilization by the tested consumer load control schemes during a reference incident, allowing them to be used for various devices and device groups. Additional, the simulations proved the scalability of the proposed control algorithms.

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Evaluation of LoRa Technology for Vehicle and Asset Tracking in Smart Harbors

Evaluation of LoRa Technology for Vehicle and Asset Tracking...

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Annual Conference of the IEEE Industrial Electronics Society

作者： Irfan Fachrudin Priyanta Frank Golatowski Thorsten Schulz Dirk Timmermann Institute of Applied Microelectronics and Computer Engineering University of Rostock Rostock Germany

Tracking of goods, containers, and vehicles in harbors is a challenging task because seaports typically are in a secluded area with limited networking capability. Existing solutions use the combination of RFID tagging and Wireless Sensor Networks (WSN). A harbor is considered a harsh industrial environment with metallic components and surfaces. These conditions influence the wireless networking performance. In addition, harbors' areas vary from 500 ha to 7500 ha. Hence, the coverage range of wireless systems and the exposition to interference are considered. LoRa (Long Range) technology becomes a promising solution among other Low Power Wide Area Networks (LPWAN). Therefore, we investigate the LoRa technology to locate and track assets in harbors. Through ns-3 simulations on scalability, interval rate, and coverage range performance metrics, we evaluated the feasibility to use LoRa in seaports. In our experiments, we applied 1000 LoRa nodes within a radius of 2500 m to the gateway. The results exhibit a probability of successful transmission of 85% in an interval of 300 sec.

关键词： Containers Wireless communication Wireless sensor networks Receivers Logic gates Interference

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A Simulation Model of IEEE 802.1AS gPTP for Clock Synchronization in OMNeT++ 5th

A Simulation Model of IEEE 802.1AS gPTP for Clock Synchroniz...

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5th International OMNeT++ Community Summit, OMNeT 2018

作者： Puttnies, Henning Danielis, Peter Janchivnyambuu, Enkhtuvshin Timmermann, Dirk University of Rostock Institute of Applied Microelectronics and Computer Engineering Germany

The aim of this paper is to describe a developed simulation model of the gPTP protocol for time synchronization in OMNeT++ using the INET library. gPTP is part of the IEEE TSN standards. Unfortunately, there is currently no simulation model of gPTP available. Therefore, we developed a new simulation model, compared it to results from the state-ofthe-art, and would like to share it with the OMNeT++ community. The simulation model is based on the IEEE 802.1AS specification for full-duplex Ethernet according to a given network topology and use case scenario to analyze the results of the simulation as well as to provide a comparison with results from the state-of-the-art. Time synchronization and propagation delay measurements between time-aware systems are considered and results show that the simulation model works as expected. © 2018, EPiC Series in Computing. All rights reserved.

关键词： Internet protocols

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jUDPWrapper: A Lightweight Approach to Access the OMNeT++/INET UDP Functionality from Java 5th

jUDPWrapper: A Lightweight Approach to Access the OMNeT++/IN...

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5th International OMNeT++ Community Summit, OMNeT 2018

作者： Puttnies, Henning Danielis, Peter Thiele, Leonard Timmermann, Dirk University of Rostock Faculty of Computer Science and Electrical Engineering Institute of Applied Microelectronics and Computer Engineering Germany

There are three methods to evaluate networked systems during the design phase: by means of simulation, a practical testbed, and mathematical analysis. In this paper, we propose the jUDPWrapper, which enables to access the OMNeT++/INET UDP functionality from Java using the Java Extensions for OMNeT++. The jUDPWrapper provides a socket-based API corresponding to the standard API defined in the *** package. Consequently, it enables to develop application layer simulation models in Java and hereafter easily derive a Java prototype implementation. Therefore, the jUDPWrapper eases the evaluation of Java UDP applications using both simulation and practical testbed. We evaluate the jUDPWrapper using two distinct versions of OMNeT++/INET, provide the Java Extensions for OMNeT++ 5.4, and for the first time quantify the execution time of Java models versus C++ models. C++ models are approx. twice as fast as Java models in long simulation runs, if the release mode is used. © 2018, EPiC Series in Computing. All rights reserved.

关键词： Java programming language

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Recent progress of integrated circuits and optoelectronic chips

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Science China(Information Sciences) 2021年第10期64卷 103-135页

作者： Yue HAO Shuiying XIANG Genquan HAN Jincheng ZHANG Xiaohua MA Zhangming ZHU Xingxing GUO Yahui ZHANG Yanan HAN Ziwei SONG Yan LIU Ling YANG Hong ZHOU Jiangyi SHI Wei ZHANG Min XU Weisheng ZHAO Biao PAN Yangqi HUANG Qi LIU Yimao CAI Jian ZHU Xin OU Tiangui YOU Huaqiang WU Bin GAO Zhiyong ZHANG Guoping GUO Yonghua CHEN Yong LIU Xiangfei CHEN Chunlai XUE Xingjun WANG Lixia ZHAO Xihua ZOU Lianshan YAN Ming LI School of Microelectronics Xidian University State Key Laboratory of Integrated Service Networks Xidian University National Integrated Circuit Innovation Center School of Microelectronics Fudan University School of Integrated Circuit Science and Engineering Beihang University China Center for Information Industry Development Frontier Institute of Chip and System Fudan University Institute of Microelectronics Peking University Nanjing Electronic Devices Institute State Key Laboratory of Functional Material for Informatics Shanghai Institute of Microsystem and Information Technology Chinese Academy of Sciences Institute of Microelectronics Tsinghua University Center for Carbon-based Electronics Department of Electronics Peking University CAS Key Laboratory of Quantum Information University of Science and Technology of China CAS Center for Excellence and Synergetic Innovation Center in Quantum Information and Quantum Physics University of Science and Technology of China Origin Quantum Computing Company Limited Key Laboratory of Flexible Electronics & Institute of Advanced Materials Nanjing Tech University State Key Laboratory of Electronic Thin Films and Integrated Devices School of Optoelectronic Science and EngineeringUniversity of Electronic Science and Technology of China National Laboratory of Solid State Microstructures & College of Engineering and Applied Sciences Nanjing University State Key Laboratory on Integrated Optoelectronics Institute of Semiconductors Chinese Academy of Sciences Center of Materials Science and Optoelectronics Engineering University of Chinese Academy of Sciences State Key Laboratory of Advanced Optical Communication Systems and Networks School of Electronics Engineering and Computer Science Peking University School of Electrical and Electronic Engineering Tiangong University Center for Information Photonics and Communications School of Information Science and TechnologySouthwest Jiaotong University School of Electronic Electrical and Communication Engineering

Integrated circuits(ICs) and optoelectronic chips are the foundation stones of the modern information society. The IC industry has been driven by the so-called "Moore's law" in the past 60 years, and now has entered the post Moore's law era. In this paper, we review the recent progress of ICs and optoelectronic chips. The research status, technical challenges and development trend of devices, chips and integrated technologies of typical IC and optoelectronic chips are focused on. The main contents include the development law of IC and optoelectronic chip technology, the IC design and processing technology, emerging memory and chip architecture, brain-like chip structure and its mechanism, heterogeneous integration, quantum chip technology, silicon photonics chip technology, integrated microwave photonic chip, and optoelectronic hybrid integrated chip.

关键词： integrated circuit semiconductor science and technology optoelectronic device and chip photonic integrated circuit wide bandgap semiconductors silicon photonics hybrid integration quantum chip integrated microwave photonic photonic neural computing

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Symmetry engineering in 2D bioelectronics facilitating augmented biosensing interfaces

arXiv

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arXiv 2024年

作者： Wu, Yizhang Liu, Yihan Li, Yuan Wei, Ziquan Xing, Sicheng Wang, Yunlang Zhu, Dashuai Guo, Ziheng Zhang, Anran Yuan, Gongkai Zhang, Zhibo Huang, Ke Wang, Yong Wu, Guorong Cheng, Ke Bai, Wubin Department of Applied Physical Sciences University of North Carolina Chapel HillNC27599 United States Joint Department of Biomedical Engineering North Carolina State University University of North Carolina at Chapel Hill RaleighNC27607 United States Department of Computer Science University of North Carolina at Chapel Hill Chapel HillNC27599 United States Department of Physics Nanjing University Jiangsu Nanjing210000 China Department of Biomedical Engineering Columbia University New YorkNY10027 United States Department of Computer Science and Engineering Michigan State University East LansingMI48824 United States Department of Molecular Biomedical Sciences North Carolina State University RaleighNC27607 United States Wide Bandgap Semiconductor Technology Disciplines State Key Laboratory School of Microelectronics Academy of Advanced Interdisciplinary Research Xidian University Xi'An710071 China Department of Psychiatry University of North Carolina at Chapel Hill Chapel HillNC27599 United States Department of Statistics and Operations Research University of North Carolina at Chapel Hill Chapel HillNC27599 United States UNC Neuroscience Center University of North Carolina at Chapel Hill Chapel HillNC27599 United States

Symmetry lies at the heart of 2D bioelectronics, determining material properties at the fundamental level. Breaking the symmetry allows emergent functionalities and effects. However, symmetry modulation in 2D bioelectronics and the resultant applications have been largely overlooked. Here we devise an oxidized architectural MXene, referred as OXene, that couples orbit symmetric breaking with inverse symmetric breaking to entitle the optimized interfacial impedance and Schottky-induced piezoelectric effects. The resulting OXene validates applications ranging from microelectrode arrays, gait analysis, active transistor matrix, and wireless signaling transmission, which enables highly-fidelity signal transmission and reconfigurable logic gates. Further OXene interfaces are investigated in both rodent and porcine myocardium, featuring high-quality and spatiotemporally resolved physiological recordings, while accurate differentiated predictions, enabled via various machine learning pipelines. Copyright © 2024, The Authors. All rights reserved.

关键词： Piezoelectricity

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Automated Sensor Firmware Development - Generation, Optimization, and Analysis 22

Automated Sensor Firmware Development - Generation, Optimiza...

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22. Workshop on Methoden und Beschreibungssprachen zur Modellierung und Verifikation von Schaltungen und Systemen, MBMV 2019 - 22nd Workshop on Methods and Description Languages for Modeling and Verification of Circuits and Systems, MBMV 2019

作者： Rudolf, Jens Strobel, Manuel Benz, Joscha Haubelt, Christian Radetzki, Martin Bringmann, Oliver Institute of Applied Microelectronics and Computer Engineering University of Rostock Rostock18051 Germany Chair of Embedded Systems University of Stuttgart Stuttgart70569 Germany Embedded Systems Department University of Tübingen Tübingen72076 Germany

ISBN: (纸本)9783800749461

Embedded systems design has lately become particularly challenging due to fast increasing system complexities, real-time demands and reliability requirements. At the same time, designs are constrained by stringent power budgets, limited memory capacity and short time-to-markets. Recently, various methods to automatically generate, analyze, and optimize different stages of the design flow have been investigated. The evaluation of these methods, however, often focuses on a single associated field of research and thus may not consider the domain-crossing effects that stem from the interaction of different design methods. This paper presents a complete and fully automated workflow that covers model-based generation, analysis, and optimization aspects for embedded firmware and demonstrates it on a virtual system prototype of a typical inertial sensor node. We illustrate the integration of different design and evaluation methods on a realistic example and show potential opportunities for the application of gathered information in order to improve the design. © MBMV 2019 - 22. Workshop "Methoden und Beschreibungssprachen zur Modellierung und Verifikation von Schaltungen und Systemen". All rights reserved.

关键词： Firmware

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Flexible Notification Forwarding for Content-Based Publish/Subscribe Using P4

Flexible Notification Forwarding for Content-Based Publish/S...

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IEEE Conference on Network Function Virtualization and Software Defined Networks (NFV-SDN)

作者： Christian Wernecke Helge Parzyjegla Gero Mühl Eike Schweissguth Dirk Timmermann Institute of Computer Science University of Rostock Rostock Germany Institute of Applied Microelectronics and Computer Engineering University of Rostock Rostock Germany

ISBN: (数字)9781728145457

ISBN: (纸本)9781728145464

Publish/subscribe is a versatile communication pattern for realizing loosely coupled distributed applications. In its content-based variant, the content of each published notification is matched against the active subscriptions to determine the set of subscribers that shall receive the notification. The fact that this set may be completely different compared to that of a preceding or a succeeding notification makes it difficult to find and install beneficial forwarding rules on the network switches. In this paper, we present novel forwarding schemes based on the P4 language that (i) use dynamic forwarding information placed in the notification's header, (ii) use static forwarding rules installed on the network switches, and (iii) combine dynamic forwarding information with static forwarding rules to precisely set the respective trade-off. We evaluate our forwarding strategies, show their applicability as well as their benefits for content-based publish/subscribe, and discuss future research directions.

关键词： Pipelines Multiprotocol label switching Cloning Conferences Network function virtualization Software defined networking Switches

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Reduced graphene oxide tattoo as wearable proximity sensor

arXiv

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arXiv 2020年

作者： Kedambaimoole, Vaishakh Kumar, Neelotpala Shirhatti, Vijay Nuthalapati, Suresh Kumar, Saurabh Nayak, Mangalore Manjunatha Sen, Prosenjit Akinwande, Deji Rajanna, Konandur Dept of Instrumentation and Applied Physics Indian Institute of Science Bangalore560012 India Centre for Nano Science and Engineering Indian Institute of Science Bangalore560012 India Microelectronics Research Center Department of Electrical and Computer Engineering The University of Texas at Austin AustinTX United States

The human body is punctuated with wide array of sensory systems that provide a high evolutionary advantage by facilitating formation of a detailed picture of the immediate surroundings. The sensors range across a wide spectrum, acquiring input from non-contact audio-visual means to contact based input via pressure and temperature. The ambit of sensing can be extended further by imparting the body with increased non-contact sensing capability through the phenomenon of electrostatics. Here we present graphene-based tattoo sensor for proximity sensing, employing the principle of electrostatic gating. The sensor shows a remarkable change in resistance upon exposure to objects surrounded with static charge on them. Compared to prior work in this field, the sensor has demonstrated the highest recorded proximity detection range of 20 cm. It is ultrathin, highly skin conformal and comes with a facile transfer process such that it can be tattooed on highly curvilinear rough substrates like the human skin, unlike other graphene-based proximity sensors reported before. Present work details the operation of wearable proximity sensor while exploring the effect of mounting body on the working mechanism. A possible role of the sensor as an alerting system against unwarranted contact with objects in public places especially during the current SARS-CoV-2 pandemic has also been explored in the form of an LED bracelet whose color is controlled by the proximity sensor attached to it. © 2020, CC BY.

关键词： Graphene

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Dual-Interlocked-Storage-Cell-Based Double-Node-Upset Self-Recoverable Flip-Flop Design for Safety-Critical Applications

Dual-Interlocked-Storage-Cell-Based Double-Node-Upset Self-R...

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IEEE International Symposium on Circuits and Systems (ISCAS)

作者： Aibin Yan Zhelong Xu Jie Cui Zuobin Ying Zhengfeng Huang Huaguo Liang Patrick Girard Xiaoqing Wen School of Computer Science and Technology Anhui University / Anhui Engineering Laboratory of IoT Security Technologies Hefei China School of Electronic Science & Applied Physics Hefei University of Technology Hefei China Laboratory of Informatics Robotics and Microelectronics of Montpellier University of Montpellier / CNRS Montpellier France Graduate School of Computer Science and Systems Engineering Kyushu Institute of Technology Fukuoka Japan

ISBN: (数字)9781728133201

ISBN: (纸本)9781728133218

This paper presents a novel dual-interlocked storage-cell (DICE)-based double-node-upset (DNU) self-recoverable, namely DURI-FF, in the nano-scale CMOS technology. The master latch of the DURI-FF cell consists of three transmission gates (TGs) and three interlocked DICEs with three common nodes. The common nodes are connected to TGs for value initialization. The slave latch of the DURI-FF cell comprises six TGs, six inverters and three interlocked DICEs. The outputs of the inverters respectively feed the internal nodes of the slave latch. The interlocked DICEs make the master latch and the slave latch DNU self-recoverable. Simulation results validate the DNU self-recoverability of the proposed DURI-FF cell. Moreover, compared with the state-of-the-art hardened flip-flop cells, the proposed DURI-FF cell achieves roughly 43% delay reduction at the cost of moderate silicon area and power dissipation.

关键词： Latches Inverters Flip-flops Logic gates CMOS technology Simulation Reliability

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