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2022 5th International Conference on Circuits, Systems and Simulation (ICCSS)最新文献

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A Pseudo-Differential High-Speed Sensing Scheme for Phase-Change Memory 一种用于相变存储器的伪差分高速传感方案
Pub Date : 2022-05-13 DOI: 10.1109/iccss55260.2022.9802248
Myeong-Su Shin, B. Kong
Phase-change memory (PCM) has been thought to be a promising candidate as the storage-class memory (SCM) because of its non-volatility, low cost, and superior scalability. However, long read latency and low sensing margin degrade read performance of PCM. To deal with these issues, a novel pseudo-differential high-speed sensing scheme has been proposed. By isolating the sensing nodes from bit-lines and using a differential latch-type sense amplifier, a high read-sensing speed satisfying a given read access yield has been achieved. The sensing time using the proposed sensing scheme is estimated to be 9 ns, which is as much as 52.6% improvement as compared to the conventional sensing scheme. With the proposed sensing scheme, the read energy per bit is also improved up to 43.7%.
相变存储器(PCM)由于其非易失性、低成本和优越的可扩展性而被认为是存储级存储器(SCM)的一个有前途的候选人。然而,较长的读取延迟和较低的感知余量会降低PCM的读取性能。为了解决这些问题,提出了一种新的伪差分高速传感方案。通过将传感节点与位线隔离并使用差分锁存型传感放大器,实现了满足给定读访问率的高读传感速度。采用该传感方案的传感时间估计为9 ns,与传统传感方案相比,提高了52.6%。采用该传感方案,每比特读取能量也提高了43.7%。
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引用次数: 0
Simulation Modeling of Joint Tactical Communication System 联合战术通信系统仿真建模
Pub Date : 2022-05-13 DOI: 10.1109/iccss55260.2022.9802200
Zhang Yamiao, Li Xianlong, Huang Jingping, Chen Feng, Xu Haifeng, Fan Jiangtao, Lei Mengda
The joint tactical communication system is a public, flat communication platform under maneuvering conditions, which aims at realizing integrated joint operations support. Because of the complex operating environment, dynamic and self-organizing, it is impossible to obtain a closed mathematical analytical solution, and it is impossible to obtain an objective and scientific evaluation of its performance through mathematical model or technical analysis. Therefore, it is necessary to establish a simulation system to simulate the joint tactical communication system and its related factors. In the process of establishing the simulation system, the most basic and key link is to complete the design of the modeling framework of the simulation model. In this paper, the research work is carried out from three aspects: the overall framework design, the model system and modeling content, and the model relationship analysis, and the corresponding research results are obtained, which lays a foundation for the concrete establishment process of the simulation model of the joint tactical communication system.
联合战术通信系统是机动条件下的公共、扁平通信平台,旨在实现一体化联合作战保障。由于运行环境复杂、动态和自组织,不可能获得封闭的数学解析解,也不可能通过数学模型或技术分析获得对其性能的客观科学评价。因此,有必要建立仿真系统,对联合战术通信系统及其相关因素进行仿真。在仿真系统的建立过程中,最基本也是最关键的环节是完成仿真模型建模框架的设计。本文从总体框架设计、模型体系与建模内容、模型关系分析三个方面展开了研究工作,并得出了相应的研究成果,为联合战术通信系统仿真模型的具体建立过程奠定了基础。
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引用次数: 0
Coordination and Optimization of Virtual Power Plant Based on Multi-agent System 基于多智能体系统的虚拟电厂协调与优化
Pub Date : 2022-05-13 DOI: 10.1109/iccss55260.2022.9802186
Jing Wang, Shujiao Chen, Bin Li, Bing Qi
Driven by the goal of carbon peak and carbon neutralization, a large number of distributed resources will be connected to the new power system in the future, and the balance of power supply and demand will be greatly tested. Virtual power plant is a bridge between users and large power grid, which can effectively solve this problem. In this paper, the multi-objective optimization of Virtual Power Plant (VPP) is realized based on Multi-Agent System (MAS). Considering economy, environmental protection and network security, the comprehensive cost is obtained by normalization. Finally, the effectiveness of the model is verified by MATLAB simulation platform.
在碳峰值和碳中和目标的驱动下,未来将有大量分布式资源接入新型电力系统,电力供需平衡将受到极大考验。虚拟电厂作为用户与大电网之间的桥梁,可以有效地解决这一问题。本文基于多智能体系统(MAS)实现了虚拟电厂的多目标优化。综合考虑经济性、环保性和网络安全性,通过归一化得到综合成本。最后,通过MATLAB仿真平台验证了该模型的有效性。
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引用次数: 0
Deep Learning Sobriety Monitoring System in Road-driven Car Driving Risk Assessment Pipeline 道路驾驶汽车驾驶风险评估管道中的深度学习清醒监测系统
Pub Date : 2022-05-13 DOI: 10.1109/iccss55260.2022.9802349
F. Rundo, S. Battiato
In automotive field, alcohol attentional impairment occurs before reaching a Blood Alcohol Content (BAC index) of 0.08% (0,05% under the Italian legislation), thus generating a significant impact on driving safety if the drinker is a car driver. Specifically, in such driving scenario in which the road surface is significantly dangerous, the car driver sobriety monitoring shows a key role in driving risk assessment. The authors propose a full deep pipeline for the intelligent road-surface classification combined with an intelligent electronic alcohol sensing system to proper assess the physiological status of the driver. More in detail, the authors propose an intelligent sensing system that makes a common air quality sensor selective to alcohol. A downstream Deep Residual Convolutional Neural Network architecture will be able to learn specific embedded alcohol-dynamic features in the collected sensing data coming from a prototype GHT25S air-quality sensor designed by STMicroelectronics. A parallel deep ad-hoc designed architecture identifies and classifies the segmented road-surface in driving scenario. An overall risk assessment system evaluates the sobriety of the driver combined with the corresponding road-driven risk assessment. The collected preliminary results effectiveness of the proposed approach.
在汽车领域,酒精引起的注意力障碍发生在血液酒精含量(BAC指数)达到0.08%之前(意大利法律规定为0.05%),因此,如果饮酒者是汽车驾驶员,则会对驾驶安全产生重大影响。具体而言,在路面危险程度显著的驾驶场景中,驾驶员清醒度监测在驾驶风险评估中发挥着关键作用。提出了一种基于全深管道的智能路面分类系统,并结合智能电子酒精传感系统对驾驶员的生理状态进行正确的评估。更详细地说,作者提出了一种智能传感系统,使普通空气质量传感器对酒精有选择性。下游深度残差卷积神经网络架构将能够从意法半导体设计的GHT25S原型空气质量传感器收集的传感数据中学习特定的嵌入式酒精动态特征。一种并行的深度自组织架构对驾驶场景中的分段路面进行识别和分类。综合风险评估系统结合相应的道路驾驶风险评估对驾驶员的清醒程度进行评估。收集的初步结果表明,所提出的方法是有效的。
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引用次数: 1
Research on Battery State Identification Algorithm Based on Equivalent Model 基于等效模型的电池状态识别算法研究
Pub Date : 2022-05-13 DOI: 10.1109/iccss55260.2022.9802336
Bo Yang, Wencheng Tang
The estimation of battery state of charge (SOC) is the core problem in the research of battery management system. It is of great significance to improve the accuracy and speed of estimation. Firstly, the research status of battery management system, equivalent circuit model and SOC estimation algorithm is introduced, and then the common equivalent circuit model and SOC estimation algorithm are analyzed and compared. On this basis, the extended Kalman filter (EKF) algorithm based on the first-order RC model is proposed. At the same time, the method of segment fitting is used to optimize the algorithm, which improves the accuracy of SOC estimation. Finally, the corresponding modeling and simulation are completed by MATLAB, and the experimental platform is designed and built to test the SOC estimation algorithm based on EKF. The simulation and experimental results verify the accuracy of the estimation algorithm.
电池荷电状态估计是电池管理系统研究的核心问题。这对提高估计的精度和速度具有重要意义。首先介绍了电池管理系统、等效电路模型和荷电状态估计算法的研究现状,然后对常用的等效电路模型和荷电状态估计算法进行了分析比较。在此基础上,提出了基于一阶RC模型的扩展卡尔曼滤波(EKF)算法。同时,采用分段拟合的方法对算法进行优化,提高了SOC估计的精度。最后,利用MATLAB完成了相应的建模和仿真,并设计搭建了实验平台,对基于EKF的SOC估计算法进行了测试。仿真和实验结果验证了该估计算法的准确性。
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引用次数: 1
Design and Development of Simulation Software for Radar Jamming Exposure Area Based on Autonomy and Controllability 基于自主可控的雷达干扰暴露区仿真软件的设计与开发
Pub Date : 2022-05-13 DOI: 10.1109/iccss55260.2022.9801890
Huang Jingping, Zhang Yamiao, Li Xianlong, Qi WeiWei, Wu Hao, Xu Haifeng, Sun Zhenyu
The calculation of radar interference exposure area is of great significance to the analysis of radar interference, and can provide necessary data support for understanding the radar strength base and improving the radar defense mode. At present, the manual calculation method of radar jamming exposure area is greatly influenced by the deployment of radar or jammer, and every slight change may cause the change of jamming area, so it needs to be recalculated. Therefore, this paper designs a simulation software to solve the above problems. In order to cope with the trend of “self-control” advocated by the state and facilitate the subsequent practical application, the software designed in this paper is developed based on the domestic Kirin system. Its specific functions include: adding radar or jammer, changing the position of radar or jammer, changing the parameters of radar or jammer, and realizing the calculation of radar interference exposure area under dynamic conditions.
雷达干扰暴露面积的计算对雷达干扰分析具有重要意义,可以为了解雷达强度基础和改进雷达防御模式提供必要的数据支持。目前,雷达干扰暴露面积的人工计算方法受雷达或干扰机部署的影响较大,每一个微小的变化都可能导致干扰面积的变化,因此需要重新计算。因此,本文设计了一个仿真软件来解决上述问题。为了应对国家提倡的“自我控制”的趋势,便于后续的实际应用,本文设计的软件是基于国内麒麟系统开发的。其具体功能包括:增加雷达或干扰机,改变雷达或干扰机的位置,改变雷达或干扰机的参数,实现动态条件下雷达干扰暴露面积的计算。
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引用次数: 0
A Simulation Study of Interface Traps Effects of Magnetic Sensitivity in Sectorial SD-MAGFET 扇形SD-MAGFET中界面陷阱对磁灵敏度影响的仿真研究
Pub Date : 2022-05-13 DOI: 10.1109/iccss55260.2022.9802172
Zhenyi Yang, Lining Zhang, P. Lai
This paper investigates the impact of Si/SiO2 interface traps on the boundary of a sectorial SD-MAGFET in detail. Ionized acceptor traps act like negative oxide charges, depleting the device’s conduction channel, whereas ionized donor traps act like positive oxide charges, weakening the magnetic sensing by inducing a parasitic channel at the boundary. The larger the influence on magnetic sensitivity, in particular, the higher the density of acceptor or donor traps. Furthermore, trap energy also has an influence on sensitivity, with larger effect for traps lying closer to the valence or conduction band. The impacts of interface traps were numerically simulated using the TCAD simulator - Silvaco Atlas.
本文详细研究了Si/SiO2界面陷阱对扇形SD-MAGFET边界的影响。电离的受体陷阱就像负的氧化物电荷,耗尽设备的传导通道,而电离的供体陷阱就像正的氧化物电荷,通过在边界诱导寄生通道削弱磁传感。对磁灵敏度的影响越大,特别是,受体或供体陷阱的密度越高。此外,陷阱能量对灵敏度也有影响,靠近价带或导带的陷阱影响更大。利用TCAD模拟器Silvaco Atlas对界面陷阱的影响进行了数值模拟。
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引用次数: 0
Fuzzy Inference Model for Recognition of Single-Phase-to-Ground Fault Caused by Insulation Deterioration in Medium-Voltage Distribution Networks 中压配电网绝缘劣化单相接地故障识别的模糊推理模型
Pub Date : 2022-05-13 DOI: 10.1109/iccss55260.2022.9801895
Jian Liu, Bingguang Han, Yongliang Liang, Wenshan Zhang, Cong Wang
Single-phase grounding faults seriously affect the power supply reliability of medium-voltage distribution networks. Insulation deterioration is one of the important causes of single-phase grounding faults. Based on the single-phase ground fault waveform data, eight features that can reflect the type of insulation deterioration are extracted from the time domain and frequency domain. The Receiver Operating Characteristic (ROC) is used to optimize the features, and the classification threshold of each feature is determined. A fuzzy inference system for identifying the causes of insulation deterioration in medium voltage distribution networks is established. The use of field-measured fault data verifies the necessity of feature selection and the validity of the established model.
单相接地故障严重影响中压配电网的供电可靠性。绝缘劣化是单相接地故障的重要原因之一。基于单相接地故障波形数据,从时域和频域提取了8个能反映绝缘劣化类型的特征。利用受试者工作特征(Receiver Operating Characteristic, ROC)对特征进行优化,确定每个特征的分类阈值。建立了用于中压配电网绝缘劣化原因识别的模糊推理系统。现场实测故障数据的使用验证了特征选择的必要性和所建立模型的有效性。
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引用次数: 0
A New Approach to Increase the Operating Frequency and the Duty-Cycle Range of High-Speed Level Shifter in 600V Gate Driver 提高600V栅极驱动器高速电平转换器工作频率和占空比范围的新方法
Pub Date : 2022-05-13 DOI: 10.1109/iccss55260.2022.9802421
Jian Fang, Qiuliang Jiang, Zhou Fang, Yibo Lei, Teng-Yi Wang, Yarui Wei, Liu Yin, Bo Zhang
High speed and high voltage level shifter using cross-coupled circuits in GaN FET driver, has potential capability to achieve exceeding 200V/ns slew immunities and sub-ns propagation delay. However, it can be found that output of the level shifter is incorrect when the input signal pulse width is smaller than the trigger pulse width. It means that although it has smaller propagation delay, the level shifter cannot work correctly in wild range of input signal duty cycle. This paper presents a novel approach to achieve wilder range of duty cycle. Based on 0.8μm 600V BCD process, simulation results of the proposed circuit show that minimum width of signal pulse is less than 1ns with the floating ground from zero to 600V. The duty-cycle range can be extended from 60% to 96% when signal frequency is 20MHz and triggered pulse width is 10ns. At the same time, the level shifter’s propagation delay is 5.9ns, power rail slew immunities over 200V/ns and power consumption of the proposed level shifter almost equals to that of traditional circuit.
在GaN场效应管驱动中采用交叉耦合电路的高速高压电平移位器,有可能实现超过200V/ns的扭转免疫和sub-ns的传播延迟。但是,可以发现,当输入信号脉宽小于触发脉宽时,电平移位器的输出是不正确的。这意味着虽然电平移频器具有较小的传输延迟,但在输入信号占空比的任意范围内不能正常工作。本文提出了一种实现更大占空比的新方法。基于0.8μm 600V BCD工艺的仿真结果表明,该电路在零至600V的浮地范围内,信号脉冲的最小宽度小于1ns。当信号频率为20MHz,触发脉宽为10ns时,占空比范围可从60%扩展到96%。同时,该移电平器的传播延迟为5.9ns,电源轨摆抗扰度大于200V/ns,功耗与传统电路基本持平。
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引用次数: 0
A Simplified Flop MTBF Extraction Methodology 一种简化的翻牌MTBF提取方法
Pub Date : 2022-05-13 DOI: 10.1109/iccss55260.2022.9802161
Ang Boon Chong, Aw Kean Hong
When asynchronous data is registered by a clocked flop, there is a probability of metastability failure. In applications such as synchronization or data recovery, the circuit is susceptible to metastability failure due to the asynchronous nature of the data input to the flop. As the performance of chip increases with shrinking technology node as well as increasing complexity of the clock network of the chip to cater for multiple clock domains transfer, the mean time between failure (MTBF) requirement for a metaharden flops is getting higher and tougher to meet. Metaharden flops design involves tradeoff between flop mean time between failure (MTBF) requirement with the flip-flop’s area, power, and performance. This paper will share a simplified flop’s mean time between failure (MTBF) extraction methodology that will reduce the pessimism in the flop’s MTBF derivation and the flop’s MTBF extraction effort. Hopefully, audience will benefit from the sharing.
当异步数据通过时钟触发器注册时,存在亚稳态失败的可能性。在同步或数据恢复等应用中,由于数据输入的异步特性,电路容易发生亚稳态故障。随着芯片性能的提高,技术节点的缩小以及芯片时钟网络的复杂性的增加,以满足多个时钟域的转移,对元硬故障的平均故障间隔时间(MTBF)的要求越来越高,越来越难以满足。元硬触发器设计涉及触发器平均故障间隔时间(MTBF)需求与触发器的面积、功率和性能之间的权衡。本文将分享一种简化的触发器平均故障间隔时间(MTBF)提取方法,该方法将减少触发器MTBF推导中的悲观情绪和触发器MTBF提取的工作量。希望观众能从分享中受益。
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引用次数: 0
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2022 5th International Conference on Circuits, Systems and Simulation (ICCSS)
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