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2016 22nd International Conference on Automation and Computing (ICAC)最新文献

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From orientation movement to space navigation: Toward a novel explorative model 从方位运动到空间导航:走向一种新的探索模式
Pub Date : 2016-09-01 DOI: 10.1109/IConAC.2016.7604968
Qian Xu, Zhengxu Zhao, Weihua Zhao
Space navigation is rendezvousing craft to reach its intended destination with a proper velocity vector and in scheduled time. Alleviating the restrictions imposed by power based payload on maneuvering has been a research hotspot in these communities and it has been a longtime standing challenge for craft to execute accurate flight missions according to implementable navigation operations out of deep space where recognizable references are difficult to establish. Most of the present solutions rely on high-cost and low-efficiency space communication and navigation to assist the journey of crafts in deep space. This paper is to investigate a mapping model dedicated to navigating crafts in deep space. The model has been studied and developed from a conventional technique known as Orientation Movement (or called Directional Movement) in other research fields, such as botany, biology, kinematics, electrochemistry, and commercial science. The paper demonstrates the feasibility of using the model to establish an effective navigation mechanism for orientation movements in deep space.
空间导航是航天器以适当的速度矢量和预定的时间到达预定的目的地。减轻动力载荷对机动的限制一直是这些领域的研究热点,在难以建立可识别参考的深空环境下,根据可实现的导航操作精确执行飞行任务一直是航天器长期面临的挑战。目前的解决方案大多依赖于高成本、低效率的空间通信和导航来辅助航天器在深空的旅行。本文研究了一种用于深空航天器导航的测绘模型。在植物学、生物学、运动学、电化学和商业科学等其他研究领域,该模型是从传统的定向运动(或称为定向运动)技术发展而来的。本文论证了利用该模型建立有效的深空定向运动导航机制的可行性。
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引用次数: 0
Cognitive radio aided Vehicular ad-hoc networks with efficient spectrum allocation and QoS guarantee 具有高效频谱分配和QoS保证的认知无线电辅助车载自组织网络
Pub Date : 2016-09-01 DOI: 10.1109/IConAC.2016.7604911
E. C. Joy, Sijing Zhang, E. Liu, Efor E. Theresa, E. Eze
The increasing demand of diverse vehicular network oriented applications (both safety and non-safety related services would undoubtedly lead to shortage of spectral resource challenge for V2V communication networks. In order to resolve this issue, a novel Adaptive CR Enabled Vehicular NETwork (ACREVNET) framework is proposed in this paper. To avoid heavy overhead usually incurred during spectrum sensing, we developed a novel CR adaptive spectrum sensing (CRASS) scheme that can reduce the spectrum sensing cost and improve sensing performance effectively. We also applied the concept of Nash Bargaining Solution (NBS) to guarantee fairness in spectral resources allocation and proposed a generalized non-symmetric NBS (GNNBS) to perform a non-symmetric cognitive inter-cell spectrum allocation in the proposed ACREVNET framework. Simulation results clearly show that the proposed schemes can acquire additional spectral resource for vehicular communication by applying CR technology, and reduce the message transmission delay and blocking probability significantly.
面向车联网的各种应用(安全和非安全相关业务)的需求日益增长,无疑会给车联网通信网络带来频谱资源短缺的挑战。为了解决这一问题,本文提出了一种新的自适应CR车辆网络(ACREVNET)框架。为了避免频谱感知过程中产生的巨大开销,我们提出了一种新的CR自适应频谱感知(CRASS)方案,该方案能够有效地降低频谱感知成本并提高感知性能。在ACREVNET框架中,我们应用纳什讨价还价解决方案(NBS)的概念来保证频谱资源分配的公平性,并提出了一种广义非对称NBS (GNNBS)来执行非对称认知小区间频谱分配。仿真结果清楚地表明,所提出的方案可以利用CR技术为车载通信获取额外的频谱资源,并显著降低消息传输延迟和阻塞概率。
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引用次数: 13
Feedback control algorithm for optimal throughput in IEEE 802.11e EDCA networks IEEE 802.11e EDCA网络中最优吞吐量的反馈控制算法
Pub Date : 2016-09-01 DOI: 10.1080/21642583.2017.1351901
Ibukunoluwa Akinyemi, Shuanghua Yang
The EDCA protocol was designed to enhance the functionality of the IEEE 802.11 WLAN through the introduction of different channel access parameter values for different traffic types. This enables some degree of service guarantee for traffic depending on their QoS requirements. While the improved standard has recommended values for the channel accessing parameters, it does not take into account the dynamic nature of the WLAN and for optimal performance, the contention window (CW) value should be dynamic and vary with the number of contending stations on the WLAN. In this paper, we propose a feedback based control algorithm (FCA) that outputs contention window parameter with respect to number of active nodes on the WLAN. The controller can also be tuned based on network design requirements.
EDCA协议旨在通过为不同的流量类型引入不同的信道访问参数值来增强IEEE 802.11 WLAN的功能。这可以根据流量的QoS需求为流量提供一定程度的服务保证。虽然改进的标准为信道访问参数提供了推荐值,但它没有考虑到WLAN的动态特性,为了获得最佳性能,争用窗口(CW)值应该是动态的,并随着WLAN上争用站的数量而变化。在本文中,我们提出了一种基于反馈的控制算法(FCA),该算法根据WLAN上活动节点的数量输出争用窗口参数。控制器也可以根据网络设计要求进行调整。
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引用次数: 7
Implanted medical devices as future of wireless healthcare monitoring: Investigation and performance evaluation using novel numerical modeling 植入医疗设备作为无线医疗监测的未来:使用新型数值建模的调查和性能评估
Pub Date : 2016-09-01 DOI: 10.1109/IConAC.2016.7604973
M. Akbar, Hongnian Yu, S. Cang
The patient monitoring through implant medical devices under medical implant communication service (MICS) band has significantly increased due to growing healthcare expenses, an aging population, and successful deployment of wearable home-based medical monitoring in telemedicine. Recent literature lacks the performance evaluation mechanisms and discussion of MICS band in terms of quality of service (QoS); whereas, every implantable device has specified QoS requirements in terms of delay and throughput. This issue raises a serious concern while deploying implant devices that either the communications protocols are capable of providing specified QoS for this device or not. Moreover, MICS band works under two modes i.e., connected and unconnected, the decision which band is suitable for which type of application still needs more discussion. In this paper, we address the issues regarding appropriate performance evaluation model of MICS and selection of suitable mode of MICS according to application requirement. First, we discuss about the issues of different layers of MICS band including application, physical and MAC layer with respect to deployment challenges. Second, we develop a numerical model for the performance evaluation of the MICS band under connected and unconnected modes. This model computes the estimated communication delay and provides maximum throughput (MT) values for the transmission of the data frame under mentioned band modes. For the best of our knowledge, the proposed numerical model for the estimation of total end-to-end delay and MT is the first numerical model for MICS band. At the end, we provide the comparative analysis of the connected and unconnected modes which helps the healthcare professionals to choose an appropriate mode for different implant devices.
由于医疗保健费用的增长、人口老龄化以及远程医疗中可穿戴式家庭医疗监测的成功部署,医疗植入物通信服务(MICS)频段下通过植入医疗设备对患者进行监测的情况显著增加。最近的文献缺乏从服务质量(QoS)方面对MICS频段的绩效评估机制和讨论;然而,每个植入式设备在延迟和吞吐量方面都有特定的QoS要求。在部署植入设备时,通信协议是否能够为该设备提供指定的QoS,这个问题引起了严重的关注。此外,MICS频段工作在连接和未连接两种模式下,哪个频段适合哪种类型的应用还需要更多的讨论。本文探讨了合适的多指标集绩效评价模型以及根据应用需求选择合适的多指标集评价模式等问题。首先,我们讨论了MICS频带不同层的问题,包括应用层、物理层和MAC层,以及部署方面的挑战。其次,我们建立了一个在连接和非连接模式下MICS频段性能评估的数值模型。该模型计算估计的通信延迟,并提供在上述频带模式下数据帧传输的最大吞吐量(MT)值。据我们所知,所提出的估计端到端总延迟和MT的数值模型是MICS频段的第一个数值模型。最后,我们提供了连接和未连接模式的比较分析,以帮助医疗保健专业人员为不同的植入装置选择合适的模式。
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引用次数: 3
Construct drawing man-hour forecasting based on GA-BP in chemical equipment design process 在化工设备设计过程中建立基于GA-BP的图纸工时预测方法
Pub Date : 2016-09-01 DOI: 10.1109/IConAC.2016.7604896
Hua Ji, Xiao Chen, Ke Zhang, Yangao Wang
The man-hour costing is the largest cost in the chemical plant design companies because the design processes are undertaken by the staff. The accurate man-hour forecasting can facilitate the design process control and the human resources scheduling optimization so as to cut the costs. This paper presents a framework, combining the Back Propagation (BP) Artificial Neural Network (ANN) and Genetic Algorithm (GA), for the forecasting of Construct Drawing Design Man-hour (CDDM), which is the largest man hour among all work items in the chemical equipment design process. Firstly, the input variables are selected based on the contribution and correlation analysis after describing the optional input variables. Secondly, the forecasting model is presented in details. The experiments are done for the parameters set in the model, such as the hidden neuron number and the training method in the BP ANN, and the GA parameters selection. Thirdly, the simulation results are discussed. The absolute error, the relative error, and the grey relative relational grade are employed to measure the model accuracy and to compare the forecasting accuracy between the GA-BP ANN and pure BP ANN. Finally, the forecasting experiments are also tried to investigate if the variables coming from the earlier design phase can be selected as the input variables. The simulation results show the forecasting model based on GA-BP ANN can be a helpful tool for the CDDM forecasting in chemical equipment design process. The results also show the input variable selection and the experiments for the input variables coming from the earlier design phase are suitable for the CDDM forecasting.
在化工设计公司中,工时成本是最大的成本,因为设计过程是由员工承担的。准确的工时预测有助于设计过程的控制和人力资源调度的优化,从而降低成本。摘要提出了一种结合BP人工神经网络(ANN)和遗传算法(GA)的框架,用于预测化工设备设计过程中最大工时的施工图设计工时。首先,在对可选输入变量进行描述后,根据贡献和相关性分析选择输入变量。其次,详细介绍了预测模型。对模型中设置的隐神经元数、BP神经网络的训练方法、遗传算法的参数选择等参数进行了实验。第三,对仿真结果进行了讨论。采用绝对误差、相对误差和灰色相对关联度来衡量模型的精度,并比较了GA-BP神经网络与纯BP神经网络的预测精度。最后,还尝试了预测实验,以研究是否可以选择来自早期设计阶段的变量作为输入变量。仿真结果表明,基于GA-BP神经网络的预测模型可以作为化工设备设计过程中CDDM预测的有效工具。结果还表明,输入变量的选择和来自早期设计阶段的输入变量的实验适合于CDDM预测。
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引用次数: 4
Secure login protocols: An analysis on modern attacks and solutions 安全登录协议:现代攻击及解决方案分析
Pub Date : 2016-09-01 DOI: 10.1109/IConAC.2016.7604975
Abdul Waheed, M. A. Shah, Abid Khan
Using the Internet or accessing any network service, there can be a lot of threats from hackers for the illegal access to users' account. If a system has very sensitive data but is not offering a secure login protocol, then the whole security is at risk and could easily be compromised. Due to the rapid increase in the usage of digital equipment and online banking transactions, there is mandatory need of secure login. In this paper, our contribution is twofold. Firstly, we provide a brief and comprehensive overview of the modern attacks in different computing environments. We group existing approaches and critically evaluate the modern attacks in terms of severity of attacks. Secondly, we investigate the performance of different login protocols that can achieve better security. A performance comparison of these secure login protocols also form part of this paper. Moreover, our research is focused on the most recent attacks and their solutions that have been published over the year 2010-2016. The findings in this paper can be used by security experts, analysts and security policy designers to select appropriate authentication architecture for relevant computing environment.
在使用互联网或访问任何网络服务时,都可能受到黑客的大量威胁,因为黑客会非法访问用户的帐户。如果一个系统有非常敏感的数据,但没有提供安全的登录协议,那么整个安全性就处于危险之中,很容易受到损害。由于数字设备的使用和网上银行交易的迅速增加,对安全登录的需求是强制性的。在本文中,我们的贡献是双重的。首先,我们对不同计算环境下的现代攻击进行了简要和全面的概述。我们对现有的方法进行分组,并根据攻击的严重程度对现代攻击进行批判性评估。其次,我们研究了不同登录协议的性能,以达到更好的安全性。这些安全登录协议的性能比较也是本文的一部分。此外,我们的研究重点是2010-2016年发布的最新攻击及其解决方案。本文的研究结果可供安全专家、分析人员和安全策略设计者根据相关计算环境选择合适的身份验证体系结构。
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引用次数: 3
Dynamic modeling of a novel hybrid conveying mechanism for electro-coating of automobile bodies based on screw theory 基于螺旋理论的新型汽车车身电镀混合输送机构动力学建模
Pub Date : 2016-09-01 DOI: 10.1109/IConAC.2016.7604921
Guoqin Gao, Taiping Chen, Mengru Liu, X. Niu
For the dynamic modeling of a novel hybrid conveying mechanism for electro-coating of automobile bodies, a systematic method of combining screw theory with the principle of virtual work is proposed. Based on the structural characteristics of the mechanism, the motion of the mechanism is described via screw theory. The velocities of active joints on the mechanism are obtained by using reciprocal product, and the velocities of passive joints are obtained by solving the screw motion equation. Then, the acceleration of each joint on the mechanism is derived by using differentiation technique. Based on the above, the dynamic equation is formulated by combining screw theory with the principle of virtual work. The simulations on the proposed dynamic model are conducted respectively by using MATLAB and ADAMS. The simulation results show the reliability of the dynamic model. The proposed method of dynamic modeling is easy to solve, program, and implement for effective control of spatial mechanism,which provides a novel method for the dynamic modeling of hybrid mechanism.
针对一种新型汽车车身电镀混合输送机构的动力学建模,提出了一种将螺旋理论与虚功原理相结合的系统方法。根据机构的结构特点,用螺旋理论描述了机构的运动。采用倒积法求出机构上主动关节的速度,通过求解螺旋运动方程求出被动关节的速度。然后,利用微分法推导了机构上各关节的加速度。在此基础上,将螺旋理论与虚功原理相结合,建立了其动力学方程。利用MATLAB和ADAMS分别对所提出的动力学模型进行了仿真。仿真结果表明了该动态模型的可靠性。所提出的动态建模方法易于求解、编程和实现,可实现对空间机构的有效控制,为混合机构的动态建模提供了一种新的方法。
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引用次数: 1
An adaptive error control approach for reliable industrial automation networks 可靠工业自动化网络的自适应误差控制方法
Pub Date : 2016-09-01 DOI: 10.1109/IConAC.2016.7604913
Thanmayee Karimireddy, Sijing Zhang
The need of developing reliable industrial automation networks has increased to a great extent due to the transmission of hard real time control packets over error prone wireless channels. This paper focuses on error control approaches to satisfy strict reliability requirements of industrial automation control applications. In this paper, some of the state of art error control approaches are critically analysed and a novel adaptive error control approach ASM-HARQ is proposed. ASM-HARQ is an adaptive HARQ approach that uses both FEC and ARQ to recover the errors present in each encoding unit which is sub-MSDU. Simulation results show that ASM-HARQ outperforms other MAC layer error control approaches through its ability to satisfy reliability requirements even for time critical applications.
由于在容易出错的无线信道上传输硬实时控制数据包,开发可靠的工业自动化网络的需求在很大程度上增加了。本文重点研究误差控制方法,以满足工业自动化控制应用对可靠性的严格要求。本文对现有的误差控制方法进行了分析,提出了一种新的自适应误差控制方法ASM-HARQ。ASM-HARQ是一种自适应HARQ方法,它使用FEC和ARQ来恢复每个编码单元中存在的错误,这些编码单元是子msdu。仿真结果表明,ASM-HARQ能够满足时间关键应用的可靠性要求,优于其他MAC层错误控制方法。
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引用次数: 1
Identifying smart design attributes for Industry 4.0 customization using a clustering Genetic Algorithm 使用聚类遗传算法识别工业4.0定制的智能设计属性
Pub Date : 2016-09-01 DOI: 10.1109/ICONAC.2016.7604954
A. Saldivar, C. Goh, Yun Li, Yi Chen, Hongnian Yu
Industry 4.0 aims at achieving mass customization at a mass production cost. A key component to realizing this is accurate prediction of customer needs and wants, which is however a challenging issue due to the lack of smart analytics tools. This paper investigates this issue in depth and then develops a predictive analytic framework for integrating cloud computing, big data analysis, business informatics, communication technologies, and digital industrial production systems. Computational intelligence in the form of a cluster k-means approach is used to manage relevant big data for feeding potential customer needs and wants to smart designs for targeted productivity and customized mass production. The identification of patterns from big data is achieved with cluster k-means and with the selection of optimal attributes using genetic algorithms. A car customization case study shows how it may be applied and where to assign new clusters with growing knowledge of customer needs and wants. This approach offer a number of features suitable to smart design in realizing Industry 4.0.
工业4.0旨在以大量生产成本实现大规模定制。实现这一目标的关键是准确预测客户需求,然而,由于缺乏智能分析工具,这是一个具有挑战性的问题。本文对这一问题进行了深入的研究,然后开发了一个集成云计算、大数据分析、商业信息学、通信技术和数字工业生产系统的预测分析框架。以聚类k-均值方法形式的计算智能用于管理相关的大数据,以满足潜在客户的需求,并希望为目标生产力和定制量产进行智能设计。从大数据中识别模式是通过聚类k-均值和使用遗传算法选择最优属性实现的。一个汽车定制案例研究展示了如何应用它,以及随着对客户需求和愿望的不断了解,在哪里分配新的集群。这种方法在实现工业4.0时提供了许多适合智能设计的功能。
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引用次数: 15
Simulation of particle transportation trajectory in acoustic standing wave field 声波驻波场中粒子输运轨迹的模拟
Pub Date : 2016-09-01 DOI: 10.1109/IConAC.2016.7604920
Huijuan Dong, Shuai Liu, Yingzi Guan, P. Zhang
This work presents a model of a transducer array suitable for particle transportation. The transducer array is excited by sine function in voltage. The distributions of horizontal acoustic radiation forces are simulated using ANSYS and MATLAB-base program. The underlying motion equation is described in this paper. According to this equation, the motion trajectory of a levitated particle is calculated iteratively. It is pointed that the relative distance between the particle location and the potential well position can not be too long for stable transportation. Accordingly, the shortest modulation period for ultrasonic standing wave transportation is obtained.
本文提出了一种适合粒子输运的换能器阵列模型。换能器阵列由电压正弦函数激励。利用ANSYS软件和matlab软件对水平声辐射力的分布进行了数值模拟。本文描述了其基本运动方程。根据该方程,迭代计算了悬浮粒子的运动轨迹。指出粒子位置与势井位置之间的相对距离不能太长,以保证稳定输送。从而获得了超声驻波传输的最短调制周期。
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引用次数: 1
期刊
2016 22nd International Conference on Automation and Computing (ICAC)
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