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Survey of the Formal Verification of Operating Systems in Power Monitoring System 电力监控系统中操作系统的形式化验证研究
Kangle Yang, Jianye Yu, Xinshen Wei, Feng You, Haidong Huang, Xuesong Huo
The formal verification of the operating systems in power monitoring system is an important means to ensure the security of the operating system in power monitoring system. This paper introduces the verification principles and framework of formal verification of operating systems in power monitoring system, the languages and tools used in formal verification, and some classic projects of formal verification of operating systems. Through the introduction of the related content of the formalization of these operating systems, some ideas and future development trends of the formal verification of the current operating systems are explained. It has completed the verification process, beginning with weak type safety and progressing to functional correctness, proof of the high-level abstract protocol, and modification of the low-level code. These gain from the constant advancement and refinement of tools and technologies for formal verification of operating systems, but it is also subject to formal verification tools and techniques, and cannot genuinely go towards the last practical link of production. The automated research on formal verification tools and technologies will continue to be a significant advance in operating system formal verification.
电力监控系统运行系统的正式验证是保证电力监控系统运行系统安全的重要手段。本文介绍了电力监控系统中操作系统形式化验证的验证原理和框架、形式化验证所使用的语言和工具,以及操作系统形式化验证的一些经典项目。通过对这些操作系统形式化相关内容的介绍,阐述了当前操作系统形式化验证的一些思路和未来发展趋势。它已经完成了验证过程,从弱类型安全开始,到功能正确性、高级抽象协议的证明,以及低级代码的修改。这些都得益于操作系统形式化验证的工具和技术的不断进步和完善,但也受制于形式化验证工具和技术,并不能真正走向生产的最后一个实际环节。对形式化验证工具和技术的自动化研究将继续成为操作系统形式化验证的重要进展。
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引用次数: 0
Policy Updating Methods of Q Learning for Two Player Bargaining Game 二人议价博弈Q学习的策略更新方法
Jianing Xu, Bei Zhou, Nanlin Jin
Reinforcement learning algorithms have been used to discover the strategies in game theory. This study investigates whether Q learning, one of the classic reinforcement learning methods, is capable of training bargaining players via self-play, a training paradigm used by AlphaGo, to maximum their profit. We also compare our empirical results with the known theoretic solutions and perform an comprehensive analysis upon their differences. To accomplish these, we come up with two policy updating methods used in the training process, namely alternate update and simultaneous update, which are tailored for two players who propose offers and counter-offers in an alternating manner under a time constraint enforced by the discount factors. Our experimental results have demonstrated that the values of the discount factor actually have tangible impact on how far the bargaining outcomes deviate from the game theoretic solutions.
强化学习算法已被用于博弈论中的策略发现。本研究探讨了经典的强化学习方法之一Q学习是否能够通过AlphaGo使用的一种训练范式——自我对弈(self-play)来训练讨价还价玩家,从而使他们的利润最大化。我们还将我们的实证结果与已知的理论解进行了比较,并对它们的差异进行了全面的分析。为了实现这一目标,我们提出了训练过程中使用的两种策略更新方法,即交替更新和同步更新,这两种方法是针对在折扣因素强制的时间约束下,以交替方式提出要约和还价的两个参与者量身定制的。我们的实验结果表明,贴现因子的值实际上对议价结果偏离博弈论解决方案的程度有切实的影响。
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引用次数: 0
An Improved Self-Adaptive Teaching-learning Based Optimization for Multi-area Economic Dispatch 基于改进自适应教学的多区域经济调度优化
Qun Niu, Gui Xu, L. Tang
The multi-area economic dispatch (MAED) is a hot and vital research topic for energy saving and emission reduction. Multi-areal economic dispatch refers to the most economical distribution of load requirement among the output units under the premise of satisfying the physical and operational constraints of multiple areas. Each area is connected by a transmission line. In this paper, an improved algorithm (SA-TLBO), which uses adaptive teaching factor to replace the teaching factor in the original teaching-learning based optimization, is developed. Since, adaptive teaching factor can achieve a good balance between convergence speed and search ability, thus improving the overall performance of the algorithm. The method is tested on a system with ten areas, and each area has a 130-unit system. Compared with other two improved strategies and conventional algorithms, the proposed SA-TLBO is shown to yield better solutions for multi-area economic dispatch problems.
多区域经济调度是当前节能减排研究的热点和重要课题。多区域经济调度是指在满足多区域物理约束和运行约束的前提下,以最经济的方式将负荷需求分配给各出力机组。每个地区由一条传输线连接起来。本文提出了一种改进的SA-TLBO算法,利用自适应教学因子替代原有基于教与学的优化算法中的教学因子。由于自适应教学因子可以很好地平衡收敛速度和搜索能力,从而提高算法的整体性能。该方法在一个有十个区域的系统上进行测试,每个区域有一个130个单元的系统。与其他两种改进策略和传统算法相比,本文提出的SA-TLBO算法能够更好地解决多区域经济调度问题。
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引用次数: 0
Three-Dimensional Sphere Recognition and Tracking Based on YOLO 基于YOLO的三维球面识别与跟踪
Luying Li, Wenjun Huang
Traditional art exhibitions are usually dominated by relatively static displays such as text, pictures and common multimedia technology. Subject to technical limitations, the exhibition means are relatively simple and the content is relatively thin, which cannot fully meet the exhibition needs of the organizers, nor can it mobilize the enthusiasm of the visitors, and fails to fully show the communication of the exhibition. Therefore, an object detection model based on You Only Look Once(YOLO) network is proposed in this paper to recognize and track the spheres made by felt process. First, the YOLO network was pre-trained using the open source data set, and then the pre-training model was fine-tuned according to the felt sphere image training set. Before fine tuning, the k-means clustering algorithm was used to cluster the marking information of the sphere training set made by felt process. Secondly, for the display of the effect after recognition, OpenCV image processing is used for image special effect processing of the specific recognition area. Through the experimental results, the object detection based on YOLO network proposed in this paper can reach 80.95% in detection accuracy mAP@0.5:0.95 and detection speed up to 20ms, showing excellent performance in detection accuracy and detection speed. It can fit the background interactive display effect of felt art well.
传统的艺术展览通常以文字、图片和常见的多媒体技术等相对静态的展示为主。受技术限制,参展手段比较单一,内容比较单薄,既不能充分满足主办方的参展需求,也不能调动观众的积极性,未能充分表现出展会的交流性。为此,本文提出了一种基于YOLO (You Only Look Once)网络的目标检测模型,用于对毛毡加工的球体进行识别和跟踪。首先利用开源数据集对YOLO网络进行预训练,然后根据毛毡球图像训练集对预训练模型进行微调。在微调之前,使用k-means聚类算法对毡制球训练集的标记信息进行聚类。其次,对于识别后效果的显示,采用OpenCV图像处理对特定识别区域进行图像特效处理。通过实验结果,本文提出的基于YOLO网络的目标检测,检测精度可达80.95% mAP@0.5:0.95,检测速度可达20ms,在检测精度和检测速度上均表现出优异的性能。它能很好地贴合毛毡艺术的背景交互展示效果。
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引用次数: 0
Frequency-Split Inception Transformer for Image Super-Resolution 用于图像超分辨率的分频启始变压器
Wei Xu
Transformer models have shown remarkable effectiveness in capturing long-range dependencies and extracting features for single image super-resolution. However, their deployment on edge devices is hindered by their high computational complexity. To address this challenge, we propose Inception Swin Transformer (IST), a novel model that leverages frequency domain separation to reduce redundant computations.In IST, we exploit the strengths of both CNN-based networks and Transformer variants to handle high-frequency and low-frequency features, respectively. By dynamically utilizing frequency factors to separate feature maps, IST ensures that different components are processed appropriately. Additionally, IST maintains a balanced trade-off between model speed and performance by gradually reducing the proportion of high-frequency components.Our experiments demonstrate that IST effectively reduces the FLOPs while preserving high performance. The combination of Transformers’ accuracy and CNN variants’ efficiency enables IST to significantly reduce computational strain without compromising quality. Comparative analysis reveals that IST outperforms other models, achieving superior results with less FLOPs.
Transformer模型在捕获远程依赖关系和提取单幅图像超分辨率特征方面表现出显著的有效性。然而,它们在边缘设备上的部署受到其高计算复杂性的阻碍。为了解决这一挑战,我们提出了Inception Swin Transformer (IST),这是一种利用频域分离来减少冗余计算的新模型。在IST中,我们利用了基于cnn的网络和Transformer变体的优势来分别处理高频和低频特征。通过动态地利用频率因子来分离特征映射,IST确保了不同的成分得到适当的处理。此外,IST通过逐渐减少高频组件的比例,在模型速度和性能之间保持平衡。我们的实验表明,IST在保持高性能的同时有效地降低了FLOPs。变压器的精度和CNN变体的效率相结合,使IST能够在不影响质量的情况下显着减少计算应变。对比分析表明,IST优于其他模型,以更少的FLOPs获得更优的结果。
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引用次数: 0
An early warning system for height limit based on multi-sensor information fusion 基于多传感器信息融合的限高预警系统
Chengjun Feng, Chao Wu, Yifan Wu, Dongyi He, Peng Zhou
With the continuous development of social economy, infrastructure such as highways and bridges continues to develop, and overloaded vehicles are repeatedly prohibited. Therefore, many places have set up "height limit gantry frames" at the entrances of bridges and overpasses, artificially limiting the types and sizes of vehicles, increasing the safety of bridge structures and roads, but also bringing many safety hazards. In recent years, accidents of ultra-high vehicles colliding with "height limit gantry" have occurred frequently, causing serious personnel and property losses. Therefore, it is particularly important to identify and prompt super high vehicles in advance to avoid such accidents. To address such issues, a height limit information early warning system based on V2X multi-sensor information fusion has been developed. Using LiDAR to identify the height of vehicles, using cameras to identify vehicle license plates, and then conducting information fusion, combined with the above information, warning dangerous vehicles through various channels such as V2X or roadside LED screens.
随着社会经济的不断发展,公路、桥梁等基础设施不断发展,超载车辆屡禁不止。因此,许多地方在桥梁、立交桥入口设置了“限高龙门架”,人为限制了车辆的种类和尺寸,增加了桥梁结构和道路的安全性,但也带来了许多安全隐患。近年来,超高车辆与“限高龙门”碰撞事故频发,造成了严重的人员和财产损失。因此,提前识别并提示超高车辆,以避免此类事故的发生就显得尤为重要。针对这一问题,开发了基于V2X多传感器信息融合的限高信息预警系统。利用激光雷达识别车辆高度,利用摄像头识别车辆牌照,然后进行信息融合,结合上述信息,通过V2X或路边LED屏幕等多种渠道,对危险车辆进行预警。
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引用次数: 0
Network equipment recommended placement based on entropy weight method and improved ideal point method distribution scheme design 基于熵权法和改进理想点法的网络设备推荐放置方案设计
Size Liu, Zhenxing Qi, Xinpei Liu, Fangke Lu
At present, data center security and energy consumption have been continuously concerned and discussed. There are some new technology to reduce energy consumption of data center, but few studies focus on make full use of the resources of the existing data center during routine maintenance to solve urgent problems such as low interest rate of distributed power supply resources, mismatch of power supply resources and space resources in cabinet, and unequal distribution of AC power supply systems. This paper focus on problems existing in data center, design a general distribution scheme to recommend network equipment optimal cabinet and location based on entropy weight method ,which combined with entropy weight method to optimize important attributes such as cabinet power utilization, cabinet space utilization, cabinet resource imbalance, and three-phase imbalance, recommend network equipment optimal cabinet and location totally depending on objective data, avoid the problem maintenance staff lack of experience or inconsiderate to make wrong decision effectively, achieve full utilization of data center power system resources and operation optimization. The scheme is verified to be effective, has certain guiding significance for network equipment location selected management in data center.
目前,数据中心的安全和能耗问题一直受到人们的关注和讨论。目前已有一些降低数据中心能耗的新技术,但在日常维护中充分利用现有数据中心的资源,解决分布式电源资源利用率低、电源资源与机柜空间资源不匹配、交流供电系统分布不均等亟待解决的问题,研究较少。本文针对数据中心存在的问题,设计了一种基于熵权法的网络设备最优机柜和位置推荐的通用配电方案,该方案结合熵权法对机柜功率利用率、机柜空间利用率、机柜资源不均衡性、三相不均衡性等重要属性进行优化,完全依靠客观数据推荐网络设备最优机柜和位置。有效避免维护人员缺乏经验或考虑不周做出错误决策的问题,实现数据中心电力系统资源的充分利用和运行优化。该方案经验证是有效的,对数据中心网络设备选址管理具有一定的指导意义。
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引用次数: 0
Exploration of transfer learning capability of multilingual models for text classification 多语言文本分类模型迁移学习能力的探索
Maddineni Bhargava, K. Vijayan, Oshin Anand, Gaurav Raina
The use of multilingual models for natural language processing is becoming increasingly popular in industrial and business applications, particularly in multilingual societies. In this study, we investigate the transfer learning capabilities of multilingual language models like mBERT and XLM-R across several Indian languages. We study the performance characteristics of a classifier model with mBERT/XLM-R as the front-end, which is trained only in one language for two tasks: text categorization of news articles and sentiment analysis of product reviews. News articles, on the same event but in different languages, are representative of what may be termed as ‘inherently parallel’ data; i.e. data that exhibits similar content across multiple languages, though not necessarily in parallel sentences. Other examples of such data would be customer inquiries/reviews about the same product, social media activity pertaining to the same topic, etcetera. After training in one language, we study the performance characteristics of this classifier model when applied to other languages. Our experiments reveal that by exploiting the inherently parallel nature of the data, XLM-R performs remarkably well when adapted for any Indian language dataset. Further, our study reveals the importance of simultaneously fine-tuning multilingual models with in-domain data from one language in order to express their cross-lingual and domain transfer learning abilities together.
在工业和商业应用中,特别是在多语言社会中,使用多语言模型进行自然语言处理正变得越来越流行。在这项研究中,我们研究了mBERT和XLM-R等多语言模型在几种印度语言中的迁移学习能力。我们研究了以mBERT/XLM-R为前端的分类器模型的性能特征,该模型仅使用一种语言进行训练,用于两项任务:新闻文章的文本分类和产品评论的情感分析。关于同一事件但使用不同语言的新闻文章代表了可称为“内在平行”的数据;例如,数据在多种语言中显示相似的内容,尽管不一定是平行句子。此类数据的其他示例包括客户对同一产品的查询/评论、与同一主题相关的社交媒体活动等。在对一种语言进行训练后,我们研究了该分类器模型应用于其他语言时的性能特征。我们的实验表明,通过利用数据固有的并行特性,XLM-R在适用于任何印度语言数据集时都表现得非常好。此外,我们的研究还揭示了使用一种语言的领域内数据同时微调多语言模型的重要性,以共同表达它们的跨语言和领域迁移学习能力。
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引用次数: 0
LLFormer: An Efficient and Real-time LiDAR Lane Detection Method based on Transformer LLFormer:一种基于变压器的高效实时激光雷达车道检测方法
Haoxiang Jie, Xinyi Zuo, Jian Gao, W. Liu, Jun-Dong Hu, Shuai Cheng
Lane detection has been one of the most important functions in the autonomous driving perception module. Most of the current research require complex post-processing and curve fitting processes before they can be used by subsequent regulation modules. In this paper, we propose the LLFormer algorithm combining CNN and Transformer structure, which is the first attempt to perform end-to-end lane detection based on laser point cloud and output its cubic polynomial coefficients. In addition, this paper modifies the structure of the conventional transformer and proposes the Generating Lane Query (GLQ) module. The output of encoder is plugged into GLQ for initialization of lane query in decoder, preserving the uniqueness of each frame of point cloud data. We test the performance of the proposed algorithm in the public dataset K-Lane, and the results show that the accuracy of the proposed LLFormer is close to the existing SOTA algorithm. The number of model parameters of LLFormer is only 9.01M, and the amount of operations is only 0.19GFLOPs, which are 1/26 and 1/2937 of the existing SOTA algorithm, respectively. The frequency of inference calculation is 35.9FPS, which can fully meet the real-time requirements for industrial deployment.
车道检测一直是自动驾驶感知模块中最重要的功能之一。目前的大多数研究都需要复杂的后处理和曲线拟合过程,然后才能被后续的调节模块使用。本文提出了结合CNN和Transformer结构的LLFormer算法,首次尝试基于激光点云进行端到端车道检测并输出其三次多项式系数。此外,本文还对传统变压器的结构进行了改进,提出了生成车道查询(GLQ)模块。将编码器的输出插入到GLQ中进行解码器的车道查询初始化,保证了点云数据每帧的唯一性。我们在公共数据集K-Lane上测试了所提出算法的性能,结果表明,所提出的LLFormer算法的准确率接近现有的SOTA算法。LLFormer的模型参数数仅为9.01M,运算量仅为0.19GFLOPs,分别是现有SOTA算法的1/26和1/2937。推理计算频率为35.9FPS,完全可以满足工业部署的实时性要求。
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引用次数: 1
Proceedings of the 2023 5th International Conference on Pattern Recognition and Intelligent Systems 2023第五届模式识别与智能系统国际会议论文集
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引用次数: 0
期刊
Proceedings of the 2023 5th International Conference on Pattern Recognition and Intelligent Systems
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