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2015 International Conference on Computer Science and Mechanical Automation (CSMA)最新文献

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Intelligent Medicine Box Monitoring and Management System 智能药箱监控管理系统
Tao Zhang, Zhaohua Liu, Xuejiao Cao, Weixi Xia
It has been reported that wrong medicine box has been delivered to patient accidentally at hospital's Inpatient Department, so the patient may take the wrong medicine and the medical incident occurs consequently. In order to resolving this problem, it is necessary to design intelligent medicine box monitoring and management system. This system integrates technologies involving network, RFID, and touch screen. At the network, the system monitors and controls the releasing process of medicine box through RFID label ring, and displays the medicine's name, dosing time, notes and other relevant information for patients on the touch screen. Therefore the patient would be reminded to take the medicine clearly and regularly. The system could effectively resolve the problem of negligence and misoperation when medicine distribution, and as well avoid the accidental medicine taking for patient.
据报道,医院住院部不小心送错了药箱给病人,病人可能吃错了药,从而发生医疗事故。为了解决这一问题,有必要设计智能药箱监控管理系统。该系统集成了网络、RFID、触摸屏等技术。在网络上,系统通过RFID标签环对药箱的释放过程进行监控,并在触摸屏上为患者显示药品名称、给药时间、备注等相关信息。因此,要提醒患者清楚、有规律地服药。该系统可有效解决药品发放过程中的疏忽和误操作问题,避免患者意外服药。
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引用次数: 6
Effects of Process Parameters on Sheets Warp of Clinching Based on Abaqus 基于Abaqus的工艺参数对板料翘曲的影响
Juguang Lin, T. Guo, Anpeng Su, Z. Niu
Due to significant advantage, clinching is applied extensively in the automobile. In the clinch experiment, the sheets out of clinch joint has obvious warp. According to the theory of plastic deformation, as the pressure of the binder, the area of the binder and the friction factor have higher degrees, the warp of the sheets has lower degree. Abaqus was used to numerically simulate the clinch process and verify the result.
由于其显著的优点,在汽车上得到了广泛的应用。在搭接试验中,搭接接头外的板材有明显的翘曲现象。根据塑性变形理论,粘结剂压力、粘结剂面积和摩擦系数越大,板材翘曲程度越低。利用Abaqus软件对夹持过程进行了数值模拟,并对结果进行了验证。
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引用次数: 6
Detecting Malware and Rootkit via Memory Forensics 通过内存取证检测恶意软件和Rootkit
Qiang Hua, Yang Zhang
Recent malware processes are armed with stealthy techniques to detect, subvert malware detection facilities of the victim. Traditional host-based detection tools execute inside the very hosts they are protecting, which makes them vulnerable to deceive and subvert. To address this limitation, improve the effectiveness and accuracy of detection, and boost the ability of tamper resistance, a VMM-based hidden process detection system is designed and implemented. The system is placed outside the protected virtual machine, using virtual machine introspection mechanism to inspect the low-level state of the protected virtual machine, then reconstructs the guest OS data structures by guest view casting technique. Based on view comparison detection, the system identifies the lack of the critical processes and the target hidden process. Additionally, this system provides process management operations, such as terminate and restart. Users can configure the corresponding response mechanism with configuration files.
最近的恶意软件进程装备了隐形技术来检测,破坏受害者的恶意软件检测设施。传统的基于主机的检测工具在它们所保护的主机内部执行,这使得它们很容易被欺骗和破坏。为了解决这一限制,提高检测的有效性和准确性,增强抗篡改能力,设计并实现了一种基于虚拟机的隐藏过程检测系统。将系统置于受保护虚拟机之外,利用虚拟机自省机制对受保护虚拟机的底层状态进行检测,然后利用客户视图转换技术重构客户操作系统的数据结构。系统通过视图比较检测,识别出缺少的关键进程和目标隐藏进程。此外,该系统还提供进程管理操作,例如终止和重新启动。用户可以通过配置文件配置相应的响应机制。
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引用次数: 10
Cloud-Computing-Based Resource Allocation Research on the Perspective of Improved Ant Colony Algorithm 基于改进蚁群算法的云计算资源分配研究
Weihua Hu, Ke Li, Junjun Xu, Qian Bao
As a creative intelligent optimization algorithm, ant colony algorithm (ACO) has advantages such as good robustness, positive feedback and distributed computation. It is powerful to solve complicated combinational optimization problems. However, there are many defections existing in a single ACO such as slow solving speed at the primary stage, poor convergence accuracy and easy falling into a local optimal solution. By effectively integrating ACO and genetic algorithm (GA), the presented paper utilized the rapid searching ability of GA to make up the shortage of initial pheromone and increase the convergence speed of the ACO. The experimental result of the simulation tool MATLAB presents that, compared with the traditional GA, ACO is more efficient to solve resource allocating problems.
蚁群算法作为一种创造性的智能优化算法,具有鲁棒性好、正反馈和分布式计算等优点。它对解决复杂的组合优化问题具有强大的功能。然而,单个蚁群算法存在着初始求解速度慢、收敛精度差、容易陷入局部最优解等缺陷。通过将蚁群算法与遗传算法有效结合,利用遗传算法的快速搜索能力弥补初始信息素的不足,提高蚁群算法的收敛速度。仿真工具MATLAB的实验结果表明,与传统遗传算法相比,蚁群算法能更有效地解决资源分配问题。
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引用次数: 6
Design of Electric Power Enterprise Data Integration Platform Architecture Based on CIM 基于CIM的电力企业数据集成平台体系结构设计
Yun-cheng Zhou, Tongyu Xu
The heterogeneity of information systems constructed in different historical periods by electric power enterprise produces the problem of Information Island, which affects the effective use of information resources. This paper starts with analyzing the adoption status of information systems within power utilities, summarizes the data source types and their relationships. Meanwhile, the data integration necessity in power utility is discussed, and the main problems that include the heterogeneous and distribution of data sources, no unified identifier for power system data entities, lacking of entity associations are analyzed minutely. In order to solve these problems, the data integration platform architecture is designed, which uses CIM as the common data model in electric power enterprise. Through data integration platform, the heterogeneous data sources are mapped to general CIM model, and then the data services are provided by the platform through the well-defined data service interfaces. The data users can request data service via data service interface, and retrieve the object set that accord with specific CIM profile. Moreover, the meta-database schema of data integration platform is introduced in detail. Through the meta-database, the problems that include establishing associations for entities of various data sources, and the unified identifiers for same entities are solved.
电力企业在不同历史时期构建的信息系统的异质性产生了信息孤岛问题,影响了信息资源的有效利用。本文从分析电力企业信息系统的应用现状入手,总结了电力企业信息系统的数据源类型及其相互关系。同时,讨论了电力系统数据集成的必要性,详细分析了电力系统数据实体存在的数据源异构性和分散性、数据实体没有统一标识、缺乏实体关联等主要问题。为了解决这些问题,设计了以CIM作为电力企业通用数据模型的数据集成平台体系结构。通过数据集成平台,将异构数据源映射到通用的CIM模型,然后通过定义良好的数据服务接口由平台提供数据服务。数据用户可以通过数据服务接口请求数据服务,并检索符合特定CIM配置文件的对象集。详细介绍了数据集成平台的元数据库模式。通过元数据库,解决了不同数据源实体之间建立关联、同一实体之间统一标识符等问题。
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引用次数: 0
Robust Filter Design for Discrete-Time Systems over Communication Constrained 通信约束下离散时间系统的鲁棒滤波器设计
Baocheng Wang, Jiawei Sun, B. Wang, Jiamin Qi
The paper is concerned with the robust filter design problem in network environment subject to communication constrained, such as quantization distortion, randomly transmission delay and packets loss. By formulating the three communication constraints phenomena into a stochastic parameter uncertainty system, a linear filter is designed to satisfy that the error state of the filtering process is mean square bounded, and the steady-state variance of the estimation error for each state is not more than the individual prescribed upper bound. Based on existing positive definite solutions for a couple of algebraic Riccati-like inequalities or linear matrix inequalities, the theory of robust filter design is given and the process for solving filter parameters is proposed. Finally, an illustrative numerical example is presented to demonstrate the effectiveness and flexibility of the proposed design approach.
本文研究了受通信约束的网络环境下的鲁棒滤波器设计问题,如量化失真、随机传输延迟和丢包等。通过将三种通信约束现象表述为随机参数不确定性系统,设计了满足滤波过程误差状态均方有界,且每种状态估计误差的稳态方差不大于各自规定的上界的线性滤波器。基于一类代数类riccti不等式或线性矩阵不等式的已有正定解,给出了鲁棒滤波器的设计理论,并给出了滤波器参数的求解过程。最后,通过数值算例验证了所提设计方法的有效性和灵活性。
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引用次数: 0
A Framework for Energy-Optimal Cloud Robotic System under MIMO Wireless Channel 一种MIMO无线信道下能量最优云机器人系统框架
Wei Sun, Jiabao Xu, Q. Liang, Yunfeng Lv
The advances of cloud computing and robot enable the cloud robotics become a newly emerging research hotspot of intelligent automobile robot. Lots of technical challenges of cloud robotics remain to be worked out. For example, the computation challenges, the communication challenges, and the security challenges. In this paper we intend to design an optimal execution framework for the cloud robotics under MIMO (multiple-input multiple-output) wireless channel model, which aims to minimize the energy consumption of the robot and extend the battery lifetime. The model of the energy consumption for cloud execution is derived, and the problem of optimization is analyzed during the process. Additionally, a model and optimization of the standalone execution by robot are proposed. Based on the models, we provide a theoretical framework, which decide whether to offloading task. Finally, the numerical results illustrate that the framework is significant for minimizing the energy consumption of robot.
云计算和机器人技术的进步,使云机器人成为智能汽车机器人的一个新兴研究热点。云机器人的许多技术挑战仍有待解决。例如,计算挑战、通信挑战和安全挑战。本文旨在设计一种基于MIMO(多输入多输出)无线信道模型的云机器人的最佳执行框架,以最大限度地减少机器人的能量消耗和延长电池寿命。推导了云执行的能耗模型,并分析了云执行过程中的优化问题。此外,还建立了机器人独立执行的模型,并对其进行了优化。在此基础上,给出了是否卸载任务的理论框架。最后,数值结果表明,该框架对于最小化机器人的能量消耗具有重要意义。
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引用次数: 1
Design and Realize of Tire Production Process Monitoring System Based on Cyber-Physical Systems 基于信息物理系统的轮胎生产过程监控系统的设计与实现
Jiafeng Ruan, Wujia Yu, Ying Yang, Jingjing Hu
In the backdrop of 'Industry 4.0', aiming at improving low informatization level and realizing real-time monitoring during the production in a rubber tyre factory in Hang Zhou, this paper intensively studies process features, requirments of system controlling, Cyber-Physical Systems, OPC XML-DA and so on. Based on Cyber-Physical Systems, a monitoring system of tire producting procedure (MES) is designed to realize the fuctional combination of data collection and processing, historical data query, users' interface display, information checking, real-time monitoring. Taking the curing production line of tire as an example, system's design and realization is detailedly introduced. The result indicates that this system effectively monitors tire producting procedure in real-time, which provides reliable productingly related data for enterprise's managers.
在“工业4.0”背景下,针对杭州某橡胶轮胎厂生产过程中较低的信息化水平,实现生产过程的实时监控,本文对过程特点、系统控制要求、Cyber-Physical Systems、OPC XML-DA等方面进行了深入研究。基于Cyber-Physical Systems,设计了轮胎生产过程监控系统(MES),实现了数据采集与处理、历史数据查询、用户界面显示、信息查询、实时监控的功能组合。以轮胎硫化生产线为例,详细介绍了系统的设计与实现。结果表明,该系统对轮胎生产过程进行了有效的实时监控,为企业管理者提供了可靠的生产相关数据。
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引用次数: 8
A Novel Network Tomography Approach for Traffic Matrix Estimation Problem in Large-Scale IP Backbone Networks 一种用于大规模IP骨干网流量矩阵估计的网络层析成像方法
Laisen Nie
A traffic matrix is an important input for some network management function such as traffic engineering and network planning. However, traffic matrix usually cannot be obtained directly. That is because the existing network traffic motoring techniques do not extremely well in practice. The common approaches for obtaining a traffic matrix are estimating it via other available information, such as link loads and routing information. The approach using link loads and routing information to infer the traffic matrix is named network tomography approach. Due to the ill-posed nature of the network tomography model, the network tomography techniques still face many challenges for the traffic matrix estimation problem. Motivated by this issue, we propose an optimization model to conquer the ill-posed nature of the network tomography model. In details, we first perturb the network tomography model by a stochastic matrix, which draws on idea from compressive sensing techniques. Then the perturbed model can be solve by a convex optimization model. However, this convex optimization cannot precisely estimate the traffic matrix since the coherence of the perturbed model. Then we proposed an improved optimization model by means of the network tomography model.
流量矩阵是流量工程、网络规划等网络管理功能的重要输入。但是,流量矩阵通常不能直接得到。这是因为现有的网络流量控制技术在实践中并不是很好。获取流量矩阵的常用方法是通过其他可用信息(如链路负载和路由信息)对其进行估计。利用链路负载和路由信息推断流量矩阵的方法称为网络层析成像法。由于网络层析模型的病态性,网络层析技术在流量矩阵估计问题上仍然面临许多挑战。基于这个问题,我们提出了一个优化模型来克服网络层析模型的病态性质。具体来说,我们首先利用随机矩阵对网络层析成像模型进行扰动,该模型借鉴了压缩感知技术的思想。然后用凸优化模型求解扰动模型。然而,由于扰动模型的相干性,这种凸优化不能精确估计流量矩阵。然后利用网络层析模型提出了一种改进的优化模型。
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引用次数: 3
Design of a Taken Aero-Engine Synthetic Test System 某型航空发动机综合测试系统的设计
Z. Liu, Youcai Tang, Gang Zou, Zhanyong Wang
The progress of computer aided testing technology brings new development opportunity of aero-engine synthetic test. In order to improve aero-engine synthetic test level, a taken aero-engine synthetic test system is designed using advanced testing technology. User requirements of current situation are introduced, and then system function of test system is given, also related key technology is analyzed. Design proposal and system implementation of a taken aero-engine synthetic test system is proposed. Practices prove that the designed system has good performance and can improve efficiency of aero-engine synthetic test greatly.
计算机辅助测试技术的进步给航空发动机综合测试带来了新的发展机遇。为了提高航空发动机综合测试水平,采用先进的测试技术,设计了一套航空发动机综合测试系统。介绍了用户需求现状,给出了测试系统的系统功能,并对相关关键技术进行了分析。提出了某型航空发动机综合测试系统的设计方案和系统实现。实践证明,所设计的系统具有良好的性能,可以大大提高航空发动机综合试验的效率。
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引用次数: 0
期刊
2015 International Conference on Computer Science and Mechanical Automation (CSMA)
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