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2022 IEEE 20th International Conference on Industrial Informatics (INDIN)最新文献

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Dynamic Task Offloading Approach for Task Delay Reduction in the IoT-enabled Fog Computing Systems 基于物联网的雾计算系统中降低任务延迟的动态任务卸载方法
Pub Date : 2022-07-25 DOI: 10.1109/indin51773.2022.9976147
Hoa Tran-Dang, Dong-Seong Kim
Fog computing systems (FCS) have been widely integrated in the IoT-based applications aiming to improve the quality of services (QoS) such as low response service delay by performing the task computation nearby the task generation sources (i.e., IoT devices) on behalf of remote cloud servers. However, to achieve the objective of delay reduction remains challenging for offloading strategies due to the resource limitation of fog devices. In addition, a high rate of task requests combined with heavy tasks (i.e., large task size) may cause a high imbalance of workload distribution among the heterogeneous fog devices. To cope with the situation, this paper proposes a dynamic task offloading (DTO) approach, which is based on the resource states of fog devices to derive the task offloading policy dynamically. Accordingly, a task can be executed by either a single fog or multiple fog devices through parallel computation of subtasks to reduce the task execution delay. Through the extensive simulation analysis, the proposed approaches show potential advantages in reducing the average delay significantly in the systems with high rate of service requests and heterogeneous fog environment compared with the existing solutions.
雾计算系统(FCS)已被广泛集成到基于物联网的应用中,旨在通过代表远程云服务器在任务生成源(即物联网设备)附近执行任务计算来提高服务质量(QoS),例如低响应服务延迟。然而,由于雾装置的资源限制,实现降低延迟的目标仍然是卸载策略的挑战。此外,高任务请求率和繁重的任务(即任务规模大)可能导致异构雾设备之间的工作负载分配高度不平衡。针对这种情况,本文提出了一种基于雾设备资源状态动态导出任务卸载策略的动态任务卸载(DTO)方法。因此,可以通过并行计算子任务,由单个雾或多个雾设备执行任务,以减少任务执行延迟。通过广泛的仿真分析,与现有的解决方案相比,所提出的方法在高服务请求率和异构雾环境下的系统中具有显著降低平均延迟的潜在优势。
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引用次数: 0
Reinforcement learning approach to implementation of individual controllers in data centre control system 数据中心控制系统中单个控制器的强化学习实现方法
Pub Date : 2022-07-25 DOI: 10.1109/INDIN51773.2022.9976179
Y. Berezovskaya, Chen-Wei Yang, V. Vyatkin
Contemporary data centres consume electricity on an industrial scale and require control to improve energy efficiency and maintain high availability. The article proposes an idea and structure of the framework supporting development and validation of the multi-agent control for the energy-efficient data centre. The framework comprises two subsystems: the modelling toolbox and the controlling toolbox. This work focuses on such essential components of the controlling toolbox, as an individual controller. The reinforcement learning approach is applied to the controllers’ implementation. The server fan controller, named SF agent, is implemented based on the framework infrastructure and reinforcement learning approach. The agent’s capability of energy-saving is demonstrated.
现代数据中心以工业规模消耗电力,需要控制以提高能源效率并保持高可用性。本文提出了一种支持节能数据中心多智能体控制开发和验证的框架思想和结构。该框架包括两个子系统:建模工具箱和控制工具箱。这项工作的重点是控制工具箱的这些基本组件,作为一个单独的控制器。将强化学习方法应用于控制器的实现。服务器风扇控制器命名为SF agent,是基于框架基础结构和强化学习方法实现的。验证了该代理的节能能力。
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引用次数: 0
Multi-Agent Deep Reinforcement Learning For Real-World Traffic Signal Controls - A Case Study 现实世界交通信号控制的多智能体深度强化学习-一个案例研究
Pub Date : 2022-07-25 DOI: 10.1109/INDIN51773.2022.9976109
Maxim Friesen, Tian Tan, J. Jasperneite, Jie Wang
Increasing traffic congestion leads to significant costs, whereby poorly configured signaled intersections are a common bottleneck and root cause. Traditional traffic signal control (TSC) systems employ rule-based or heuristic methods to decide signal timings, while adaptive TSC solutions utilize a traffic-actuated control logic to increase their adaptability to real-time traffic changes. However, such systems are expensive to deploy and are often not flexible enough to adequately adapt to the volatility of today’s traffic dynamics. More recently, this problem became a frontier topic in the domain of deep reinforcement learning (DRL) and enabled the development of multi-agent DRL approaches that can operate in environments with several agents present, such as traffic systems with multiple signaled intersections. However, many of these proposed approaches were validated using artificial traffic grids. This paper presents a case study, where real-world traffic data from the town of Lemgo in Germany is used to create a realistic road model within VISSIM. A multi-agent DRL setup, comprising multiple independent deep Q-networks, is applied to the simulated traffic network. Traditional rule-based signal controls, modeled in LISA+ and currently employed in the real world at the studied intersections, are integrated into the traffic model and serve as a performance baseline. The performance evaluation indicates a significant reduction of traffic congestion when using the RL-based signal control policy over the conventional TSC approach with LISA+. Consequently, this paper reinforces the applicability of RL concepts in the domain of TSC engineering by employing a highly realistic traffic model.
日益增加的交通拥堵导致巨大的成本,其中配置不良的信号交叉口是一个常见的瓶颈和根本原因。传统的交通信号控制(TSC)系统采用基于规则或启发式的方法来决定信号配时,而自适应TSC解决方案利用交通驱动的控制逻辑来提高其对实时交通变化的适应性。然而,这样的系统部署成本很高,而且往往不够灵活,无法充分适应当今交通动态的不稳定性。最近,这个问题成为深度强化学习(DRL)领域的前沿话题,并使多智能体DRL方法的发展成为可能,这些方法可以在多个智能体存在的环境中运行,例如具有多个信号交叉口的交通系统。然而,许多提出的方法都是通过人工交通网格来验证的。本文介绍了一个案例研究,其中使用来自德国Lemgo镇的真实交通数据在VISSIM中创建了一个真实的道路模型。将由多个独立深度q网络组成的多智能体DRL结构应用于模拟交通网络。传统的基于规则的信号控制,在LISA+中建模,目前在现实世界的十字路口使用,被集成到交通模型中,并作为性能基线。性能评估表明,与LISA+的传统TSC方法相比,使用基于rl的信号控制策略可以显著减少交通拥堵。因此,本文通过采用高度真实的交通模型,加强了强化学习概念在TSC工程领域的适用性。
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引用次数: 2
Reinforcement Learning based Optimal Tracking Control for Hypersonic Flight Vehicle: A Model Free Approach 基于强化学习的高超声速飞行器最优跟踪控制:一种无模型方法
Pub Date : 2022-07-25 DOI: 10.1109/INDIN51773.2022.9976071
Xiaoxiang Hu, Kejun Dong, Teng-Chieh Yang, Bing Xiao
The tracking control of hypersonic flight vehicle (HFV) is discussed in this paper, and the nonlinear model of HFV is assumed to be completely unknown. This problem is surely challenging because of the missing prior knowledge, but is more closer to reality since the exact mode of HFV is difficult to be obtained. A reinforcement learning (RL) based optimal controller is proposed for the tracking control of HFV. A model based RL algorithm is firstly proposed and then, based on this algorithm, a model free algorithm is constructed. For relaxing the environmental conditions, neural network (NN) is adopted for the approximation of Critic and Actor, and then a Greedy Policy based updated learning law for NN is derived. The presented RL based control strategy is carried on the nonlinear model of HFV to show its effectiveness.
本文讨论了高超声速飞行器的跟踪控制问题,并假设高超声速飞行器的非线性模型完全未知。由于缺乏先验知识,这一问题无疑具有挑战性,但由于难以获得HFV的确切模式,这一问题更接近现实。提出了一种基于强化学习(RL)的最优控制器用于HFV的跟踪控制。首先提出了一种基于模型的强化学习算法,然后在此基础上构造了无模型强化学习算法。为了放松环境条件,采用神经网络(NN)对批评家和行动者进行逼近,并推导出基于贪心策略的神经网络更新学习律。通过对HFV非线性模型的分析,验证了该控制策略的有效性。
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引用次数: 1
Graph Attention Network for Financial Aspect-based Sentiment Classification with Contrastive Learning 基于对比学习的金融方面情感分类图注意网络
Pub Date : 2022-07-25 DOI: 10.1109/INDIN51773.2022.9976125
Zhenhuan Huang, Guansheng Wu, Xiang Qian, Baochang Zhang
Aspect-based Sentiment Classification (ASC) task is a challenge in Natural Language Processing (NLP) and is especially important for fields that require detailed analysis like finance. It aims to identify the sentiment polarity of specific aspects in sentences. In addition to tweets and posts directly related to finance, news from such as restaurants and e-commerce may also indirectly affect its stock prices. In previous approaches, attention-based neural network models were mostly adopted to implicitly connect aspects with opinion words for better aspect representations. However, due to the complexity of language and the presence of multiple aspects in a single sentence, these existing models often confuse connections. To tackle this problem, we propose a model named GAS-CL which encodes syntactical structure into aspect representations and refines it with a contrastive loss. Experiments on several datasets confirm that our approach can have better aspect representations and achieve a significant improvement.
基于方面的情感分类(ASC)任务是自然语言处理(NLP)中的一个挑战,对于金融等需要详细分析的领域尤为重要。它旨在识别句子中特定方面的情感极性。除了与金融直接相关的推文和帖子外,来自餐馆和电子商务等方面的消息也可能间接影响其股价。在以往的方法中,大多采用基于注意的神经网络模型来隐式连接方面和意见词,以获得更好的方面表示。然而,由于语言的复杂性和在一个句子中存在多个方面,这些现有的模型经常混淆连接。为了解决这个问题,我们提出了一个名为GAS-CL的模型,该模型将语法结构编码为方面表示,并使用对比损失对其进行改进。在多个数据集上的实验证实了我们的方法可以有更好的方面表示,并取得了显著的改进。
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引用次数: 0
Fundamental Quantitative Investment Theory and Technical System Based On Multi-Factor Models 基于多因素模型的基本定量投资理论与技术体系
Pub Date : 2022-07-25 DOI: 10.1109/INDIN51773.2022.9976124
Li Zhao, Nathee Naktnasukanjn, Lei Mu, Haichuan Liu, Heping Pan
Along with the continuous development of capital markets and intelligent finance technologies, quantitative investment is entering into the most critical and challenging area – fundamental quantitative investment. So far, quantitative investment has been focused on automation of technical analysis and trading, while fundamental investment has been large discretionary. This paper provides an overview of quantitative investment and fundamental investment towards a fundamental quantitative investment theory and technical system based on multi-factor models. We start with reviewing relevant literature on modern financial quantitative investment and fundamental investment. Then we cover the theoretical basis and development of multi-factor models and their applications for stock selection, involving linear and non-linear relationships, machine learning, deep learning with neural networks, random forests, and Support Vector Machines (SVMs). We explore the frontiers of fundamental quantitative investment and shed light on the future research prospects.
随着资本市场和智能金融技术的不断发展,量化投资正进入最关键、最具挑战性的领域——基本面量化投资。到目前为止,量化投资主要集中在技术分析和交易的自动化上,而基本面投资在很大程度上是自由裁量的。本文对定量投资和基本投资进行了概述,建立了基于多因素模型的基本定量投资理论和技术体系。我们首先回顾了现代金融量化投资和基础投资的相关文献。然后,我们介绍了多因素模型的理论基础和发展及其在股票选择中的应用,包括线性和非线性关系、机器学习、深度学习与神经网络、随机森林和支持向量机(svm)。我们将探索基础量化投资的前沿,并展望未来的研究前景。
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引用次数: 0
Learning-based Automatic Report Generation for Scheduling Performance in Time-Sensitive Networking 基于学习的时间敏感网络调度性能自动报表生成
Pub Date : 2022-07-25 DOI: 10.1109/INDIN51773.2022.9976085
Lingzhi Li, Qimin Xu, Yanzhou Zhang, Lei Xu, Yingxiu Chen, Cailian Chen
As the global industrial upgrading requires higher reliability and real-time performance of data communication, Time-sensitive Networking (TSN) has been widely studied. Al-though many TSN scheduling algorithms are designed, there is no standardized analysis report after scheduling and comprehensive scheduling performance evaluation. This paper presents a complete automatic report generation system to analyze the scheduling performance. To standardize various data in TSN-based manufacturing, a uniform auto-generated report model is defined based on the Open Platform Communication Unified Architecture (OPC UA). A learning-based performance evaluation (LPE) method is established to comprehensively analyze the performance of TSN scheduling. In LPE, analytical hierarchy process (AHP) and entropy weight method (EWM) is adopted to optimize the weight distribution of performance indexes objectively, and convolutional neural network (CNN) is used to get the final evaluation result rapidly. Compared with the previous evaluation methods, simulations show the training time of the evaluation method is significantly reduced.
随着全球产业升级对数据通信可靠性和实时性的要求越来越高,时敏网络(TSN)得到了广泛的研究。虽然设计了许多TSN调度算法,但调度后没有标准化的分析报告和全面的调度性能评估。本文提出了一个完整的调度性能分析自动报表生成系统。为了实现tsn制造中各种数据的标准化,在开放平台通信统一架构(OPC UA)的基础上定义了统一的自动生成报表模型。为了综合分析TSN调度的性能,建立了一种基于学习的性能评价方法。在LPE中,采用层次分析法(AHP)和熵权法(EWM)客观地优化性能指标的权重分布,并利用卷积神经网络(CNN)快速得到最终评价结果。仿真结果表明,与以往的评估方法相比,该评估方法的训练时间明显缩短。
{"title":"Learning-based Automatic Report Generation for Scheduling Performance in Time-Sensitive Networking","authors":"Lingzhi Li, Qimin Xu, Yanzhou Zhang, Lei Xu, Yingxiu Chen, Cailian Chen","doi":"10.1109/INDIN51773.2022.9976085","DOIUrl":"https://doi.org/10.1109/INDIN51773.2022.9976085","url":null,"abstract":"As the global industrial upgrading requires higher reliability and real-time performance of data communication, Time-sensitive Networking (TSN) has been widely studied. Al-though many TSN scheduling algorithms are designed, there is no standardized analysis report after scheduling and comprehensive scheduling performance evaluation. This paper presents a complete automatic report generation system to analyze the scheduling performance. To standardize various data in TSN-based manufacturing, a uniform auto-generated report model is defined based on the Open Platform Communication Unified Architecture (OPC UA). A learning-based performance evaluation (LPE) method is established to comprehensively analyze the performance of TSN scheduling. In LPE, analytical hierarchy process (AHP) and entropy weight method (EWM) is adopted to optimize the weight distribution of performance indexes objectively, and convolutional neural network (CNN) is used to get the final evaluation result rapidly. Compared with the previous evaluation methods, simulations show the training time of the evaluation method is significantly reduced.","PeriodicalId":359190,"journal":{"name":"2022 IEEE 20th International Conference on Industrial Informatics (INDIN)","volume":null,"pages":null},"PeriodicalIF":0.0,"publicationDate":"2022-07-25","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"129209665","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Technology-Independent Demonstrator for Testing Industry 4.0 Solutions 技术独立的工业4.0解决方案测试示范
Pub Date : 2022-07-25 DOI: 10.1109/INDIN51773.2022.9976144
Alejandro López, Lucas Sakurada, Paulo Leitão, O. Casquero, E. Estévez, F. D. L. Prieta, M. Marcos
Cyber-Physical Systems (CPS) are devoted to be the main participants in Industry 4.0 (I4.0) solutions. In recent years, many authors have focused their efforts on making proposals for the design and implementation of CPS based on different digital technologies. However, the comparative evaluation of these I4.0 solutions is complex, since there is no uniform criterion when it comes to defining the test scenarios and the metrics to assess them. This paper presents a technology-independent CPS demonstrator for benchmarking I4.0 solutions. To that end, a set of testing scenarios, Key Performance Indicators and services were defined considering the available automation cells setup. The proposed demonstrator has been used to test an I4.0 solution based on a Multi-agent Systems (MAS) approach.
信息物理系统(CPS)致力于成为工业4.0 (I4.0)解决方案的主要参与者。近年来,许多作者致力于为基于不同数字技术的CPS设计和实现提出建议。然而,这些I4.0解决方案的比较评估是复杂的,因为在定义测试场景和评估它们的度量时没有统一的标准。本文介绍了一个技术独立的CPS演示器,用于对I4.0解决方案进行基准测试。为此,考虑到可用的自动化单元设置,定义了一组测试场景、关键性能指标和服务。该演示器已用于测试基于多智能体系统(MAS)方法的I4.0解决方案。
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引用次数: 1
Asset Movement Forcasting with the Implied Volatility Surface Analysis Based on SABR Model 基于SABR模型的隐含波动面预测资产走势
Pub Date : 2022-07-25 DOI: 10.1109/INDIN51773.2022.9976114
Shao-Jun Xu, Hongxin Huan, Y. Qi, Guoxiang Guo, J. Yen
In financial field, predicting the future price of an asset has always been a hot topic. There are mainly two existing methods: One is to model the trend of asset prices in price prediction. Therefore, this method inevitably has a lag at the inflection point of the asset sequence. The other is to mine market opinion information from the internet to predict the future direction of prices. The challenge with this approach is that unstructured data processing and analysis is difficult. Therefore, we propose a method for asset movement prediction based on SABR [3] model. On the one hand, the market’s prediction of asset trends implied in options can be used to solve the hysteresis problem. On the other hand, options data is easy to process and analyze. In this article, we try to use a neural network model to capture the market’s view of the future trend of assets hidden in the stochastic volatility surface generated by the stochastic volatility model and establish a mapping relationship with asset prices. The results show that our methods can effectively eliminate the lag of price prediction and improve the accuracy of the prediction.
在金融领域,预测资产的未来价格一直是一个热门话题。现有的方法主要有两种:一种是在价格预测中对资产价格趋势进行建模。因此,这种方法不可避免地在资产序列的拐点处存在滞后性。二是从互联网上挖掘市场意见信息,预测未来价格走向。这种方法的挑战在于非结构化数据的处理和分析是困难的。因此,我们提出了一种基于SABR[3]模型的资产移动预测方法。一方面,期权隐含的市场对资产趋势的预测可以用来解决滞后性问题。另一方面,期权数据易于处理和分析。在本文中,我们尝试使用神经网络模型来捕捉市场对隐藏在随机波动面中的资产未来趋势的看法,并建立与资产价格的映射关系。结果表明,该方法可以有效地消除价格预测的滞后性,提高预测的准确性。
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引用次数: 0
Image Processing Based Implied Volatility Surface Analysis for Asset movement Forecasting 基于图像处理的隐含波动面分析的资产运动预测
Pub Date : 2022-07-25 DOI: 10.1109/INDIN51773.2022.9976175
Y. Qi, Guoxiang Guo, Yang Wang, Jerome Yen
Nowadays, people are showing growing attention to the market movements. With more demand for market sentiment analysis and risk management, advanced investment tools are needed to assist the high frequency trading activities. Machine learning as a fast-growing tool provides people a new perspective to handle complex problems. Although financial data contains various information and is usually regarded as hard to concentrate into one unified dimension, our research aims to fuse the image processing method with the high frequency implied-volatility-based market sentiment analysis. In this way, our research implemented the real-time processing of the market data and proposes an innovative idea, applying the machine learning method to regress the market price using the two-dimensional discrete financial data, which is traditionally viewed as images. The proposed method shows satisfying performance in testing with tick-level S&P500 option dataset containing around 1.5 million trading record. To go further with the improvement of the economic image classification and represent the momentum factors of the implied volatility surface images, we also introduce the speed and acceleration of sequence images. Overall, we have reached 61.23% accuracy for implied volatility image classification, and 63.22% & 65.52% accuracy for financial image considering velocity and acceleration.
如今,人们越来越关注市场走势。随着市场情绪分析和风险管理需求的增加,需要先进的投资工具来辅助高频交易活动。机器学习作为一种快速发展的工具,为人们提供了处理复杂问题的新视角。虽然金融数据包含多种信息,通常被认为难以集中到一个统一的维度,但我们的研究旨在将图像处理方法与基于高频隐含波动率的市场情绪分析相融合。通过这种方式,我们的研究实现了对市场数据的实时处理,并提出了一个创新的想法,即利用传统上被视为图像的二维离散金融数据,应用机器学习方法对市场价格进行回归。在包含约150万条交易记录的标普500期权数据集上,该方法取得了令人满意的效果。为了进一步改进经济图像分类,并表示隐含波动率表面图像的动量因子,我们还引入了序列图像的速度和加速度。总体而言,我们对隐含波动率图像的分类准确率达到61.23%,对考虑速度和加速度的财务图像的分类准确率分别达到63.22%和65.52%。
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引用次数: 0
期刊
2022 IEEE 20th International Conference on Industrial Informatics (INDIN)
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