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Proceedings of the 16th International Conference on Mechatronics - Mechatronika 2014最新文献

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DC ready devices - Is redimensioning of the rectification components necessary? 直流器件-是否需要调整整流元件的尺寸?
Pub Date : 2014-12-01 DOI: 10.1109/MECHATRONIKA.2014.7018227
L. Mackay, L. Ramirez-Elizondo, P. Bauer
DC has several advantages over ac. In relation with the changes needed in todays ac power system to deal with dominating amounts of fluctuating renewable energy, it seems wise to consider dc as an alternative. One of the problems with introducing dc grids is the lack of availability of dc devices. DC ready devices that work on both - ac and dc - would simplify a smooth introduction of dc there, where it has its biggest advantage. This is especially interesting for newly built infrastructure, e.g. in developing countries with bad ac infrastructure, but also for upgrading the power of existing ac cables when needed. As most ac devices today already have dc/dc converters inside, the changes are not as big as one might assume. In this paper the rectification stage and power factor correction is looked at in detail and it is shown that in most cases there is no need for re-dimensioning of components to make devices dc ready. Other important points are subject of ongoing research as are dc microgrids in general.
与交流相比,直流电有几个优势。考虑到当今交流电力系统需要改变,以应对大量波动的可再生能源,将直流电作为替代方案似乎是明智的。引入直流电网的问题之一是缺乏可用的直流设备。直流就绪设备可以同时在交流和直流上工作,这将简化直流的顺利引入,这是直流的最大优势。这对于新建的基础设施尤其有趣,例如在交流基础设施较差的发展中国家,但也可以在需要时升级现有交流电缆的功率。由于今天大多数交流设备内部已经有dc/dc转换器,因此变化并不像人们想象的那么大。本文对整流阶段和功率因数校正进行了详细的研究,结果表明,在大多数情况下,不需要重新调整元件的尺寸来使器件准备好直流。其他重要的问题是正在进行的研究,如直流微电网一般。
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引用次数: 16
Dipsticks integrated on smart diapers for colorimetric analysis of urinary tract infections in the field 智能纸尿裤上集成的尿路感染比色分析
Pub Date : 2014-12-01 DOI: 10.1109/MECHATRONIKA.2014.7018295
Chaohao Chen, Yang Wu, T. Dong
Urinary tract infections (UTI) are common infection diseases in the hospitals, affecting especially elderly people. Detecting UTI from samples obtained from elderly persons is difficult and time-consuming procedure. Although the current commercial dipsticks are relatively easy to use and work well with large-volume urine samples, they are difficult to use in diapers, where the urine is highly absorbed. Diapers have been envisaged as an ideal method to easily collect samples from elderly persons. In this regard, this paper introduces a new approach to detect UTI markers from used diapers. To demonstrate the feasibility of the proposed method, commercial dipsticks were incorporated within the diapers, and three UTI markers were detected in urine samples previously deposited on those smart diapers. The results of the dipstick tests showed no significant difference between integrating the dipsticks within the diaper and testing the dipsticks in beakers with urine. Furthermore, the results were consistent between different concentrations (105 to 109 CFU/ml) of E. coli cells, the major UTI agent, spiked into the urine samples. This method holds promises for not only elderly persons, but also adults, especially women, even pets that could have UTI. The concept of smart diaper can also be extended to sanitary towel and pet pad.
尿路感染(UTI)是医院常见的感染性疾病,尤其是老年人。从老年人采集的样本中检测尿路感染是一个困难且耗时的过程。虽然目前的商业试纸相对容易使用,并且可以很好地处理大容量的尿液样本,但它们很难用于尿不湿,因为尿被高度吸收。纸尿裤被认为是一种方便收集老年人样本的理想方法。为此,本文介绍了一种检测尿路感染标志物的新方法。为了证明所提出方法的可行性,将商业试纸纳入尿布中,并在之前存放在这些智能尿布上的尿液样本中检测到三种尿路感染标志物。试纸测试的结果显示,将试纸放在纸尿裤内和将试纸放在装有尿液的烧杯中测试没有显著差异。此外,不同浓度(105至109 CFU/ml)的大肠杆菌细胞(尿路感染的主要病原体)加入尿液样本的结果是一致的。这种方法不仅适用于老年人,也适用于成年人,尤其是女性,甚至可能患有尿路感染的宠物。智能纸尿裤的概念还可以扩展到卫生巾和宠物垫。
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引用次数: 12
Evaluation of relationship between the activity of upper limb and the piloting precision 上肢活动度与操纵精度关系的评价
Pub Date : 2014-12-01 DOI: 10.1109/MECHATRONIKA.2014.7018292
V. Socha, P. Kutílek, A. Stefek, L. Socha, J. Schlenker, K. Hána, Stanislav Szabo
Flying an aircraft requires a significant degree of coordination of upper and lower limbs. Such movements tend to be rather uncoordinated in the case of inexperienced pilots which results in inaccurate piloting. The aim of this study is to prove or disprove the dependence of the upper limb activity in relation to the aircraft steering during various actions which are required for precise maneuvering. We also deal with the design of a method to determine the degree of correlation between the movement of the hand and the airplane. The study was conducted on 8 subjects with the same level of experience during 11 hours of flight training on the simulator of type TRD40 and aircraft of type DA40. Subjects performed 14 maneuvers in total. Between takeoff and landing a recurring cycle of four maneuvers has been carried out by the subjects. Repeated maneuvers were in the order from the straight-and-level flight, horizontal turn by 360°, ascend turn by 180°, and descent turn by 180°. Recorded data except for basic flight data (magnetic course, banked and altitude) have been variables depicting the activity of the pilot's upper limb. The activity was measured using triaxial accelerometer located on the dorsal side of the distal end of the forearm. The correlation coefficient proved relationship between the upper limb movement and aircraft steering both at bank and altitude. It testifies that change of bank and altitude of aircraft is directly connected with upper limb movements. Resultant activity standard deviation relation correlation coefficient is 0.7.
驾驶飞机需要上肢和下肢的高度协调。这样的动作往往是相当不协调的情况下,缺乏经验的飞行员,导致不准确的驾驶。本研究的目的是证明或反驳上肢活动的依赖关系,在各种行动中,需要精确的机动飞机转向。我们还设计了一种方法来确定手的运动和飞机之间的相关程度。在TRD40型模拟机和DA40型飞机上对8名具有相同经验水平的受试者进行了11小时的飞行训练。受试者共完成14个动作。在起飞和着陆之间,受试者进行了四次反复的机动循环。重复动作顺序为:直线水平飞行、水平转360°、上升转180°、下降转180°。除了基本的飞行数据(磁航向、倾斜和高度)外,记录的数据都是描述飞行员上肢活动的变量。使用位于前臂远端背侧的三轴加速度计测量活动。相关系数证明了上肢运动与飞机在倾斜和高度上的转向之间的关系。证明飞机的倾斜度和高度变化与上肢运动有直接关系。合成活度标准差相关系数为0.7。
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引用次数: 9
Smart Grids process framework assessment through process modeling 通过过程建模对智能电网过程框架进行评估
Pub Date : 2014-12-01 DOI: 10.1109/MECHATRONIKA.2014.7018242
J. Holeček, Z. Brabec, Vojtech Tikovsky
Smart Grids are current stage in power grids evolution. This trend brings increased demands on network management and it results in the need for greater involvement of ICT technologies to power grids. In telecommunications, managing large ICT networks is traditionally handled at high level and has been described by standardized process frameworks. One of the most important process frameworks is Frameworx by TM Forum. It is generally assumed that the processes from the telecommunications can be adapted to the Smart Grids. This paper addresses the use of existing techniques from the field of telecommunications, especially the Frameworx in the power grid sector. This aim is achieved through modeling and simulation of processes in the power grid using the processes described for telecommunications networks. The output of the paper is to assess the suitability of the usage of formalized process frameworks in the field of power grids.
智能电网是电网发展的新阶段。这一趋势增加了对网络管理的需求,并导致需要更多地参与ICT技术到电网中。在电信方面,管理大型信息和通信技术网络传统上是在高层处理的,并由标准化过程框架描述。最重要的流程框架之一是TM Forum的Frameworx。一般认为,来自电信的过程可以适应智能电网。本文讨论了电信领域现有技术的使用,特别是在电网领域的Frameworx。这一目标是通过使用电信网络中描述的过程对电网中的过程进行建模和仿真来实现的。本文的结果是评估形式化过程框架在电网领域使用的适用性。
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引用次数: 1
Design and optimization of synchronous reluctance machine 同步磁阻电机的设计与优化
Pub Date : 2014-12-01 DOI: 10.1109/MECHATRONIKA.2014.7018236
J. Bárta, Č. Ondrůšek
This paper deals with the design of synchronous reluctance machine of the transverse-laminated type. Rotor design has been made for two different rotor geometries based on general design recommendations. These geometries are studied and compared by using 2D finite element analysis. The geometries are developed by optimization algorithms after that. The optimized parameters are torque ripple and average value of the torque. Finally optimized design is compared with initial one. Stator for purpose of this study is used from standard asynchronous machine.
本文研究了横向叠层式同步磁阻电机的设计。根据一般设计建议,对两种不同的转子几何形状进行了转子设计。利用二维有限元分析对这些几何形状进行了研究和比较。然后通过优化算法开发几何形状。优化后的参数为转矩脉动和转矩平均值。最后将优化设计与初始设计进行了比较。本研究所用的定子来自标准异步电机。
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引用次数: 10
Modular system of converters with interleaved structure 交错结构变流器模块化系统
Pub Date : 2014-12-01 DOI: 10.1109/MECHATRONIKA.2014.7018250
J. Kadlec, R. Cipín, D. Cervinka, J. Knobloch, P. Procházka, I. Pazdera
This article deals with modular system of DC-DC converters which contains more than one converter. It is possible to connect all converters in parallel for gain high output current, all converters in serial for high output voltage or various combinations to reach desired output voltage and current. The paper describes possible control structures for mentioned connections. This system is self-reconfigurable - whole system should immediately change internal connection according required output parameters. The forward converter with a transformer was chosen as a basic element of the system. The modular system is interleaved; it leads to output current and voltage ripple reduction and cheaper output filter.
本文讨论了包含多个变换器的DC-DC变换器模块化系统。可以将所有转换器并联以获得高输出电流,也可以将所有转换器串联以获得高输出电压或各种组合以达到所需的输出电压和电流。本文描述了上述连接的可能控制结构。本系统是自重构的,整个系统应根据需要的输出参数立即改变内部连接。选择带变压器的正激变换器作为系统的基本元件。模块化系统是交错的;它可以减少输出电流和电压纹波,降低输出滤波器的成本。
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引用次数: 0
Introduction to design of speed controller for fuel pump 燃油泵转速控制器的设计简介
Pub Date : 2014-12-01 DOI: 10.1109/MECHATRONIKA.2014.7018341
O. Andrs, Z. Hadaš, J. Kovář
This contribution presents an efficient approach to design of speed controller for fuel pump. The fuel pump is used for two-shaft turbine engine concept with reducer driven by a free turbine. Controlling the amount of fuel injection into the combustion chamber is based on the speed control of the fuel pump which is controlled by the engine control unit according to the desired power mode. The resulting flow of fuel into the combustion chamber beside the pump speed regulator influences the bypass which constricts the return fuel according to pressure in the nozzles. Control characteristic of the bypass controller is fixed and is determined by its structure. The only adjustable parameter is the speed of the fuel pump. This paper describes the design procedure of this fuel pump using a two-level controller with speed and subordinate current-torque control.
这为燃油泵转速控制器的设计提供了一种有效的方法。燃油泵用于双轴涡轮发动机概念,减速器由自由涡轮驱动。控制喷入燃烧室的燃油量是以燃油泵的转速控制为基础的,燃油泵的转速控制是由发动机控制单元根据期望的功率模式来控制的。由此产生的燃料流进入泵转速调节器旁边的燃烧室影响旁路,旁路根据喷嘴中的压力收缩返回的燃料。旁路控制器的控制特性是固定的,由其结构决定。唯一可调的参数是燃油泵的转速。本文介绍了该燃油泵的设计过程,采用两级控制器,调速和从属电流-转矩控制。
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引用次数: 6
Using the Ant Colony Optimization algorithm for the Capacitated Vehicle Routing Problem 用蚁群优化算法求解有能力车辆路径问题
Pub Date : 2014-12-01 DOI: 10.1109/MECHATRONIKA.2014.7018311
P. Stodola, J. Mazal, M. Podhorec, O. Litvaj
This paper deals with the application of the Ant Colony Optimization (ACO) algorithm to solve the Capacitated Vehicle Routing Problem (CVRP). The first part presents the basic approach and concept which has been inspired by nature. Next, the basic features and parameters of the algorithm are discussed. Then, a number of experiments are introduced which served to verify the algorithm. We chose Christofides, Mingozzi and Toth's CVRP instances as benchmark problems. The results we obtained are compared with other state-of-the-art algorithms. Next, the improvement of the algorithm is presented. The last part of the paper presents the application of the problem in practice; the primary objective is to plan the distribution of supplies and logistics in the real environment. Finally, the paper summarizes some perspectives of our future work.
研究了蚁群优化算法在有能力车辆路径问题中的应用。第一部分介绍了受自然启发的基本方法和概念。其次,讨论了该算法的基本特征和参数。然后,通过实验对算法进行了验证。我们选择Christofides, Mingozzi和Toth的CVRP实例作为基准问题。并将所得结果与其他最先进的算法进行了比较。然后,对算法进行了改进。论文的最后一部分给出了该问题在实践中的应用;主要目标是在真实环境中规划物资和物流的分配。最后,对今后的工作进行了展望。
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引用次数: 19
Analysis of rotor's eccentricity influence on bearing load of induction machine 转子偏心对感应电机轴承负荷的影响分析
Pub Date : 2014-12-01 DOI: 10.1109/MECHATRONIKA.2014.7018238
J. Sobra, M. Byrtus, V. Kindl, K. Hruska
To ensure reliable drive with an induction machine requires deep insight in electro-mechanical dynamics during its operation. The flexible multibody modeling technique enables the simulation of dynamic loads on all drive components. This paper focuses on complex modeling of machine's behavior in case of eccentrically placed rotor. The life time of machine's bearing becomes very important issue of machine's maintenance and reliability and is markedly influenced by any unbalanced forces acting on the rotor. The rotor eccentricity is one of the most significant aspects making machine's bearing loaded by strong unbalanced magnetic pull. Only the complex flexible model of the rotor considering all unbalanced rotor forces can provide us the very detailed information about the bearing load. The methodology of determination of such loading is applied to the 11 kW squirrel-cage induction machine.
为了确保感应电机的可靠驱动,需要对其运行过程中的机电动力学有深入的了解。灵活的多体建模技术可以模拟所有驱动部件的动态载荷。本文重点研究了转子偏心放置情况下机械性能的复杂建模。机械轴承的使用寿命是影响机械维修和可靠性的一个重要问题,它受到作用在转子上的不平衡力的显著影响。转子偏心是影响机械轴承承受强不平衡磁拉力的重要因素之一。只有考虑所有转子不平衡力的转子复杂柔性模型才能为我们提供关于轴承载荷的非常详细的信息。确定这种负载的方法应用于11kw鼠笼式感应电机。
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引用次数: 5
Application of innovative mechatronic systems in automation and robotics learning 创新机电系统在自动化和机器人学习中的应用
Pub Date : 2014-12-01 DOI: 10.1109/MECHATRONIKA.2014.7018298
K. Zimenko, D. Bazylev, A. Margun, A. Kremlev
This article describes learning process at ITMO University with application of innovative mechatronic systems in automation and robotics learning. Proposed learning method allows developing students' interest in gaining practical skills during working with real robots. As a result, the students' need for theoretical knowledge increases. The learning process represents “learning in project implementation” concept with ability to create own student project. An example of such student project is shown in the article.
本文描述了ITMO大学的学习过程,以及创新机电系统在自动化和机器人学习中的应用。提出的学习方法可以培养学生在与真实机器人一起工作时获得实用技能的兴趣。因此,学生对理论知识的需求增加了。学习过程体现了“在项目实施中学习”的理念,具有创建自己的学生项目的能力。本文中展示了一个此类学生项目的示例。
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引用次数: 9
期刊
Proceedings of the 16th International Conference on Mechatronics - Mechatronika 2014
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