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2022 World Automation Congress (WAC)最新文献

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Ribbon guided AGV vision detection system development 带状导引AGV视觉检测系统开发
Pub Date : 2022-10-11 DOI: 10.23919/WAC55640.2022.9934538
Liu Mengnan, Liao Hongbin
In order to determine the position and pose of color-belt-guided AGV, a visual detection system for color-belt-guided AGV is designed using OpenMV. In this paper, a regular pattern ribbon is used as AGV path guidance, and the least square method is used to calculate the displacement and Angle of AGV. The template matching method is used to calculate the motion displacement of AGV. The experimental results show that the system can fit well and calculate the camera deflection Angle and displacement accurately no matter the ribbon is intact or damaged.
为了确定色带导引AGV的位置和姿态,利用OpenMV设计了色带导引AGV的视觉检测系统。本文采用规则带状作为AGV的路径引导,并采用最小二乘法计算AGV的位移和角度。采用模板匹配法计算AGV的运动位移。实验结果表明,该系统能很好地贴合,并能准确地计算出相机的偏转角度和位移。
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引用次数: 0
Dynamic Group Purchase Model and Group Algorithm in E-commerce Environment 电子商务环境下动态团购模型及团购算法
Pub Date : 2022-10-11 DOI: 10.23919/WAC55640.2022.9934139
Xiaoxiao Wang
In recent years, due to the rapid development of my country's Internet e-commerce product apparel industry, a number of global e-commerce models such as b2c and b2b have emerged, making online virtual shopping and offline physical consumption models rapidly emerging. The b2c online group buying business model has been steadily promoted in developed countries such as Europe and the United States due to its many characteristics and advantages. Online group buying, a new e-commerce model with its continuous improvement characteristics, has been widely loved and favored by more and more Internet users. How to let users and merchants on the network jointly obtain the maximization of revenue from group buying has been a problem that many researchers have paid close attention to in recent years. This article mainly aims to discuss and analyze the dynamics of enterprise group formation and group management mode and its algorithm in the e-commerce environment, through the literature research method, case study method, questionnaire survey method and inductive deduction method from the perspective of the traditional e-commerce model. Analyze the existing online group buying, and propose a new dynamic group buying model based on the two aspects of consumer satisfaction and consumer purchase price in the existing online group buying, and put forward a new group buying algorithm based on this group buying model. Consumers with the same preferences gather together, so that consumers have an advantage in quantity and can get discounts on prices. On the basis of this dynamic group buying model, the group algorithm is used to select products with higher satisfaction and price comprehensive index for consumers, which can also effectively increase the sales of the merchants, thereby ensuring the maximum benefits of the merchants and consumers to a certain extent. The experimental results show that the scale of our online shopping market has reached 1.89 trillion, showing the huge potential of my country's online shopping market. The e-commerce platform B2C market is also growing rapidly, and more traditional industries will join B2C e-commerce.
近年来,由于我国互联网电子商务产品服装行业的快速发展,b2c、b2b等一批全球性的电子商务模式应运而生,使得线上的虚拟购物和线下的实体消费模式迅速兴起。b2c网络团购商业模式以其诸多特点和优势,在欧美等发达国家稳步推进。网络团购作为一种新型的电子商务模式,以其不断完善的特点,受到了越来越多网民的广泛喜爱和青睐。如何让网络上的用户和商家共同从团购中获得收益的最大化,是近年来许多研究者关注的问题。本文主要从传统的电子商务模式出发,通过文献研究法、案例研究法、问卷调查法和归纳推演法,探讨和分析电子商务环境下企业集团形成的动态和集团管理模式及其算法。对现有的网络团购进行分析,基于现有网络团购中的消费者满意度和消费者购买价格两个方面,提出了一种新的动态团购模型,并在此基础上提出了一种新的团购算法。具有相同偏好的消费者聚集在一起,使消费者在数量上占有优势,在价格上获得折扣。在此动态团购模型的基础上,利用群体算法为消费者选择满意度和价格综合指数较高的产品,也能有效提高商家的销售额,从而在一定程度上保证商家和消费者的利益最大化。实验结果表明,我国网络购物市场规模已达1.89万亿,显示出我国网络购物市场的巨大潜力。电子商务平台B2C市场也在快速增长,更多的传统行业将加入B2C电子商务。
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引用次数: 0
Clinical Study of Cervical Spine Motion Trajectory Based on Computer Motion Capture Technology 基于计算机运动捕捉技术的颈椎运动轨迹的临床研究
Pub Date : 2022-10-11 DOI: 10.23919/WAC55640.2022.9934162
Huaijing Wang, Ping Wang
In recent years, with the development of software and hardware technology and the reduction of costs, motion capture systems have become popular. Cervical spondylosis is a common and frequently-occurring disease in clinical and daily life. The incidence of this disease is increasing year by year. The computer motion capture technology can better preserve the details of the cervical spine motion and record the motion trajectory for the patient when treating cervical spondylosis. This article aims at the clinical research of cervical spine motion trajectory based on computer motion capture technology. After understanding the basic anatomical structure of the cervical spine, mechanics, kinematics and other related knowledge, this article makes a reasonable simplification of the structure of the cervical spine, uses computer motion capture technology to observe and study the normal human cervical spine motion trajectory, and compares the different segments of the cervical spine. Experimental data shows that the range of C2-3 left and right motion is 2.2±2.0mm, and the front and back motion range is 0.2±1.7mm. When the C2-3 cervical spine rotates axially, the C2/3 range of motion is smaller than other cervical spine segments, indicating that this segment’s movement variation is large, and the movement direction is likely to be opposite to the overall twisting direction of the cervical spine.
近年来,随着软硬件技术的发展和成本的降低,运动捕捉系统得到了广泛的应用。颈椎病是临床和日常生活中的常见病和多发病。这种疾病的发病率逐年上升。计算机运动捕捉技术在治疗颈椎病时可以更好地保存颈椎运动的细节,记录患者的运动轨迹。本文旨在对基于计算机运动捕捉技术的颈椎运动轨迹进行临床研究。在了解了颈椎的基本解剖结构、力学、运动学等相关知识后,本文对颈椎的结构进行了合理的简化,利用计算机运动捕捉技术对正常人体颈椎的运动轨迹进行了观察研究,并对颈椎的不同节段进行了比较。实验数据表明,C2-3左右运动范围为2.2±2.0mm,前后运动范围为0.2±1.7mm。当C2-3颈椎轴向旋转时,C2/3的运动范围小于其他颈椎节段,说明该节段的运动变化较大,且运动方向很可能与颈椎整体扭转方向相反。
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引用次数: 1
Algorithm modeling technology of computer aided fractal art pattern design 计算机辅助分形艺术图案设计的算法建模技术
Pub Date : 2022-10-11 DOI: 10.23919/WAC55640.2022.9934355
Huang Xiong, Yao Zimin
This paper studies the algorithm modeling technology of computer-aided fractal art pattern design, which is a method of using computer algorithm to create fractal art pattern design. It is also called algorithmic modeling technology. This technology was developed in 2010 and first introduced in 2011. The algorithm used in this technology is called fractal design. It is a software that works according to mathematical equations. It can create patterns according to given data, such as the number or shape of objects or shapes that need to be created for a specific purpose. Computer aided fractal art pattern design is a technology of generating patterns by computer. The computer uses mathematical formulas and algorithms to generate patterns. These formulas are based on Fibonacci sequence, which is a very popular sequence in the world, mathematics and nature. The algorithm and the method of embedding control parame-ters realize a fractal art pattern design system with simple operation but no loss of function, so that designers who do not know much about fractal theory can generate fractal art patterns according to fractal principle through simple parameter adjustment and scheme selection.
本文研究了计算机辅助分形艺术图案设计的算法建模技术,是一种利用计算机算法进行分形艺术图案设计的方法。它也被称为算法建模技术。这项技术于2010年开发,并于2011年首次推出。该技术中使用的算法称为分形设计。它是一个根据数学方程式工作的软件。它可以根据给定的数据创建模式,例如为特定目的需要创建的对象或形状的数量或形状。计算机辅助分形艺术图案设计是一种利用计算机生成图案的技术。计算机使用数学公式和算法生成图案。这些公式是基于斐波那契数列的,斐波那契数列是世界上数学和自然界中非常流行的数列。该算法和嵌入控制参数的方法实现了一个操作简单、功能不损失的分形艺术图案设计系统,使不太了解分形理论的设计人员通过简单的参数调整和方案选择,就可以根据分形原理生成分形艺术图案。
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引用次数: 1
Urban road quality design supported by multi-source data and deep learning 基于多源数据和深度学习的城市道路质量设计
Pub Date : 2022-10-11 DOI: 10.23919/WAC55640.2022.9934648
Lianguo Kang, Jihui Zhang, Xinwu Jiao
Digital road information is not only an important basic geographic element, but also a key component of basic geographic information in China. Accurate access to digital road information is very important for traffic management, urban planning, road control, GPS navigation and map updating. At present, there are two main ways to obtain digital road information: GPS trajectory data and remote sensing image. The road target in remote sensing image has remarkable characteristics in space, radiation, topology and texture. With the popularization of deep learning, the method of road extraction from remote sensing image using deep learning has become the main research direction of road extraction. this paper supports multi-source data.
数字道路信息是重要的基础地理要素,是中国基础地理信息的关键组成部分。准确获取数字道路信息对于交通管理、城市规划、道路控制、GPS导航和地图更新非常重要。目前,获取数字化道路信息的途径主要有两种:GPS轨迹数据和遥感影像。遥感影像中的道路目标具有显著的空间特征、辐射特征、拓扑特征和纹理特征。随着深度学习的普及,利用深度学习从遥感图像中提取道路的方法已成为道路提取的主要研究方向。本文支持多源数据。
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引用次数: 0
Evaluation on Brain Activity of Skilled Ship Operators by Near Infra-Red Spectroscopy: Experiment using ship maneuvering simulator 近红外光谱评价熟练船舶操作人员脑活动:船舶操纵模拟器实验
Pub Date : 2022-10-11 DOI: 10.23919/WAC55640.2022.9934283
Koji Murai, H. Tamaru, R. Shoji, Eiko Saito, Makiko Minami, K. Kokubun
Automated traffic control is advancing for a variety of vehicles, with the demonstration of unmanned driving and the establishment of technical requirements making particular headway in the automotive field. In the marine sector, steps are also being taken to realize maritime autonomous surface ships (MASS) to reduce transportation costs, protect the environment, and address shortages in seafarer manpower. This includes international efforts, such as an examination of treaty requirements and regulatory hurdles facing MASS at the 103rd session of the Maritime Safety Committee of the International Maritime Organization (IMO MSC103). However, the ultimate issue facing the realization of MASS is the need for unmanned operation to address questions of human recognition and judgment in ship operation that cannot be easily quantified. Therefore, the purpose of this study was to quantify the skills related ship operation, particularly skilled operator-level recognition of maneuvering environments and determination of ship maneuvers.
各种车辆的自动交通控制正在推进,无人驾驶的示范和技术要求的制定在汽车领域取得了特别的进展。在海洋领域,也正在采取措施实现海上自主水面舰艇(MASS),以降低运输成本,保护环境并解决海员人力短缺问题。这包括国际努力,例如在国际海事组织海上安全委员会(IMO MSC103)第103届会议上审查MASS面临的条约要求和监管障碍。然而,实现MASS面临的最终问题是需要实现无人操作,以解决船舶操作中难以量化的人类识别和判断问题。因此,本研究的目的是量化与船舶操作相关的技能,特别是熟练操作员对机动环境的识别和船舶机动的确定。
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引用次数: 0
An Advanced PD Controller for Robot Manipulators with Time-Delay Estimation 一种基于时滞估计的机器人PD控制器
Pub Date : 2022-10-11 DOI: 10.23919/WAC55640.2022.9934368
T. Cam, C. Nguyen, D. Tran
This paper proposed a Synchronization control scheme based on the the concept of Proportional Derivative (PD) control developed for in conjunction with the time-delay estimation (TDE) control scheme for the closed-kinematic chain manipulator (CKCM). By employing the synchronization technique, PD control and TDE control, the proposed method that ensures the global asymptotic convergence of tracking errors while forcing all active joints to move in a predefined synchronous manner in the presence of uncertainties. The performance of the proposed control is assessed by computer simulation on a 2 degrees-of-freedom (DOF) planar CKCM manipulator and simulation results are presented and discussed.
本文提出了一种基于比例导数(PD)控制概念的同步控制方案,并结合时滞估计(TDE)控制方案对闭式链式机械臂(CKCM)进行了同步控制。该方法采用同步技术、PD控制和TDE控制,保证了跟踪误差的全局渐近收敛,同时在存在不确定性的情况下强制所有活动关节以预定义的同步方式运动。通过2自由度平面CKCM机械臂的计算机仿真,对所提出的控制方法进行了性能评估,并对仿真结果进行了讨论。
{"title":"An Advanced PD Controller for Robot Manipulators with Time-Delay Estimation","authors":"T. Cam, C. Nguyen, D. Tran","doi":"10.23919/WAC55640.2022.9934368","DOIUrl":"https://doi.org/10.23919/WAC55640.2022.9934368","url":null,"abstract":"This paper proposed a Synchronization control scheme based on the the concept of Proportional Derivative (PD) control developed for in conjunction with the time-delay estimation (TDE) control scheme for the closed-kinematic chain manipulator (CKCM). By employing the synchronization technique, PD control and TDE control, the proposed method that ensures the global asymptotic convergence of tracking errors while forcing all active joints to move in a predefined synchronous manner in the presence of uncertainties. The performance of the proposed control is assessed by computer simulation on a 2 degrees-of-freedom (DOF) planar CKCM manipulator and simulation results are presented and discussed.","PeriodicalId":339737,"journal":{"name":"2022 World Automation Congress (WAC)","volume":"73 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2022-10-11","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"134088538","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
Practice on the Data Service of University Scientific Research Management Based on Cloud Computing 基于云计算的高校科研管理数据服务实践
Pub Date : 2022-10-11 DOI: 10.23919/WAC55640.2022.9934710
Dianliang Chen
With the continuous development of computer technology, the coverage of informatization solutions covers all walks of life and all fields of society. For colleges and universities, teaching and scientific research are the basic tasks of the school. The scientific research ability of the school will affect the level of teachers and the training of students. The establishment of a good scientific research environment has become a more important link in the development of universities. SR(Scientific research) data is a prerequisite for SR activities. High-quality SR management data services are conducive to ensuring the quality and safety of SRdata, and further assisting the smooth development of SR projects. Therefore, this article mainly conducts research and practice on cloud computing-based scientific research management data services in colleges and universities. First, analyze the current situation of SR data management in colleges and universities, and the results show that the popularity of SR data management in domestic universities is much lower than that of universities in Europe and the United States, and the data storage awareness of domestic researchers is relatively weak. Only 46% of schools have developed SR data management services, which is much lower than that of European and American schools. Second, analyze the effect of CC(cloud computing )on the management of SR data in colleges and universities. The results show that 47% of SR believe that CC is beneficial to the management of SR data in colleges and universities to reduce scientific research costs and improve efficiency, the rest believe that CC can speed up data storage and improve security by acting on SR data management in colleges and universities.
随着计算机技术的不断发展,信息化解决方案的覆盖面已覆盖各行各业和社会各个领域。对于高校来说,教学和科研是学校的基本任务。学校科研能力的高低会影响到教师队伍的水平和学生的培养。建立良好的科研环境已成为高校发展中更为重要的一环。科学研究数据是科学研究活动的先决条件。高质量的SR管理数据服务有利于确保SR数据的质量和安全,进一步协助SR项目的顺利开展。因此,本文主要对基于云计算的高校科研管理数据服务进行研究与实践。首先,分析高校SR数据管理的现状,结果表明,国内高校SR数据管理的普及程度远低于欧美高校,国内研究人员的数据存储意识相对较弱。仅有46%的学校开发了SR数据管理服务,远低于欧美学校。其次,分析CC(云计算)对高校SR数据管理的影响。结果显示,47%的SR认为CC有利于高校SR数据的管理,降低科研成本,提高效率,其余的认为CC可以通过作用于高校SR数据管理来加快数据存储,提高安全性。
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引用次数: 0
Simulation Research on direct torque control of permanent magnet synchronous motor based on SVPWM 基于SVPWM的永磁同步电机直接转矩控制仿真研究
Pub Date : 2022-10-11 DOI: 10.23919/WAC55640.2022.9934623
Qiao Wu
The traditional direct torque control is mainly based on the stator flux vector value to achieve the purpose of stator torque control. The most effective way is to change the double hysteresis structure of stator and torque flux. Although the structure of this control mode is relatively simple and the torque can respond quickly, it will lead to serious torque and speed fluctuations. In this paper, the SVPMSM technology is introduced to replace the original voltage vector selection module, and the MATLAB/Simulink simulation model is built. The results verify the effectiveness of the direct torque control algorithm.
传统的直接转矩控制主要是根据定子磁链矢量值来实现定子转矩控制的目的。最有效的方法是改变定子和转矩磁链的双磁滞结构。这种控制方式虽然结构相对简单,转矩响应快,但会导致转矩和速度波动严重。本文引入SVPMSM技术取代原有的电压矢量选择模块,并建立了MATLAB/Simulink仿真模型。结果验证了直接转矩控制算法的有效性。
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引用次数: 0
An image denoising method based on depth learning 一种基于深度学习的图像去噪方法
Pub Date : 2022-10-11 DOI: 10.23919/WAC55640.2022.9934612
Huijin Wang, Hongxia Liu, Yechun Zeng
In this paper, image noise reduction research is carried out based on in-depth learning. In specific life, due to the lack of perfection of equipment and system, the image will often be polluted by more noise, resulting in unclear image details and reduced image clarity. Better image display ability can be obtained when BP neural network is used to denoise the image. Through the research on the activation function and optimization network function based on weighted neural network (CNN), combined with multi feature extraction technology and other in-depth learning models, we can learn and extract the important features of the input image. At the same time, we propose CNN back propagation optimization algorithm. At the same time, the training speed of the model is improved and the convergence speed of the algorithm is accelerated. Based on the deep residual learning of convolution network, the algorithm is used to remove the noise in the model. This is a better image denoising network model. Compared with other excellent denoising algorithms, the analysis and comparison show that the optimized denoising algorithm can not reduce the clarity of the image. At the same time, the image noise pollution is greatly improved and the image details are clearer.
本文对基于深度学习的图像降噪进行了研究。在具体生活中,由于设备和系统的不完善,图像往往会受到较多噪声的污染,导致图像细节不清晰,图像清晰度降低。采用BP神经网络对图像进行降噪处理,可以获得较好的图像显示能力。通过对基于加权神经网络(CNN)的激活函数和优化网络函数的研究,结合多特征提取技术等深度学习模型,可以学习和提取输入图像的重要特征。同时,提出了CNN反向传播优化算法。同时提高了模型的训练速度,加快了算法的收敛速度。该算法基于卷积网络的深度残差学习,对模型中的噪声进行去除。这是一种较好的图像去噪网络模型。通过与其他优秀的去噪算法的对比分析表明,优化后的去噪算法不会降低图像的清晰度。同时大大改善了图像噪声污染,图像细节更加清晰。
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引用次数: 0
期刊
2022 World Automation Congress (WAC)
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