Simulation analysis of a real small production process

Haffner, Oto, Kralova, Zdenka | Carpathian Control Conference (ICCC), 2015 16th International (v.2015 / no.5 / pp.153-158 / 2015)

The paper presents a case study on simulation analysis of a real process aiming to improve its performance. The final products are the handmade goods belonged to the cate

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The paper presents a case study on simulation analysis of a real process aiming to improve its performance. The final products are the handmade goods belonged to the category of children's toys. The objects of the analysis are organizational and technological changes, enabling to expand the actual process capacities. Simulation software WITNESS is used for modelling and analysis.

Community Detection in General Stochastic Block models: Fundamental Limits and Efficient Algorithms for Recovery

Abbe, Emmanuel, Sandon, Colin | Foundations of Computer Science (FOCS), 2015 IEEE 56th Annual Symposium on (v.2015 / no.10 / pp.670-688 / 20150272-5428)

New phase transition phenomena have recently been discovered for the stochastic block model, for the special case of two non-overlapping symmetric communities. This gives

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New phase transition phenomena have recently been discovered for the stochastic block model, for the special case of two non-overlapping symmetric communities. This gives raise in particular to new algorithmic challenges driven by the thresholds. This paper investigates whether a general phenomenon takes place for multiple communities, without imposing symmetry. In the general stochastic block model SBM(n,p,W), n vertices are split into k communities of relative size {p i } i #x2208;[k] , and vertices in community i and j connect independently with probability {W ij } i,j #x2208;[k] . This paper investigates the partial and exact recovery of communities in the general SBM (in the constant and logarithmic degree regimes), and uses the generality of the results to tackle overlapping communities. The contributions of the paper are: (i) an explicit characterization of the recovery threshold in the general SBM in terms of a new f-divergence function D + , which generalizes the Hellinger and Chernoff divergences, and which provides an operational meaning to a divergence function analog to the KL-divergence in the channel coding theorem, (ii) the development of an algorithm that recovers the communities all the way down to the optimal threshold and runs in quasi-linear time, showing that exact recovery has no information-theoretic to computational gap for multiple communities, (iii) the development of an efficient algorithm that detects communities in the constant degree regime with an explicit accuracy bound that can be made arbitrarily close to 1 when a prescribed signal-to-noise ratio [defined in terms of the spectrum of diag(p)W] tends to infinity.

A novel design of optical logic gate AND, OR and NOT with Polyvinyl-Chloride Multiwalled Carbon Nano Tube

Desani, Mihir, Bavarva, Arjav, Sorathiya, Vishal | Advances in Computing, Communications and Informatics (ICACCI), 2015 International Conference on (v.2015 / no.8 / pp.514-520 / 2015)

Fasler computation requires higher speed and higher data rate for digital circuits. To achieve this requirement photonics digital circuits are one of the solutions. Here

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Fasler computation requires higher speed and higher data rate for digital circuits. To achieve this requirement photonics digital circuits are one of the solutions. Here we represent the design of AND. OR and NOT optical logic gate with Polyvinyl-Chloride Multiwalled Carbon Nano Tube (PVC-MWCNT) waveguide. PVC-MWCNT material was chosen for better constant optical response over 800nm to 1000nm wavelength. It was also beneficial to achieve smaller sized waveguide design. The logic gates are designed in 10 #x03BC;m #x00D7; 4.5 #x03BC;m size. All the optical operation and truth tables were followed as digital circuits for given wavelength span. Here the logic gates are investigated with Finite Differentiation Time Domain (FDTD) method. Comparisons with available logic gate designs are also reported in this research. All the logic gates are compatible for the further expansion for logic circuits. One of the Boolean functions is formatted by proposed logic gates and analyzed the research work.

Research on County Economic Structure and Optimal Layout of Weishan County, Yunnan Province Based on GIS

Meiying, Jiang, Jiachun, Zuo, Lede, Niu, Liran, Xiong | Measuring Technology and Mechatronics Automation (ICMTMA), 2016 Eighth International Conference on (v.2016 / no.3 / pp.518-523 / 2016)

County economy is an important carrier of national economy. In recent years, its importance has got an unprecedented increase with the introduction of main functional zon

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County economy is an important carrier of national economy. In recent years, its importance has got an unprecedented increase with the introduction of main functional zones. Based on Yunnan statistical yearbook and Weishan County's statistical yearbook, this paper applied GIS spatial analysis techniques and methods, and combined with statistical indicators analysis to analyze Weishan County's economic development level and economic structure and to provide optimal layout plan, and finally to provide decision references for local prosperity, national unity, regime consolidation, and social harmony.

Analysis of the dynamics of a perturbed ring

Behbahani, Amir, M'Closkey, Robert | Inertial Sensors and Systems, 2016 IEEE International Symposium on (v.2016 / no.2 / pp.50-53 / 2016)

This paper addresses the dynamic analysis of a thin ring, which is the prototype structure for the many variants of ring and disk resonators. First, a derivation of the c

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This paper addresses the dynamic analysis of a thin ring, which is the prototype structure for the many variants of ring and disk resonators. First, a derivation of the coriolis coupling between pairs of degenerate ring modes is provided for a rotating uniform thin ring. Next, boundary conditions are determined for the case of a uniform thin ring perturbed by point masses. Finally, perturbation solutions of the exact solutions for a perturbed ring under different point mass perturbation scenarios are determined in which the quantity of added mass is the perturbation parameter. Case studies with one and two point masses are presented.

Community Detection Based on Structure and Content: A Content Propagation Perspective

Liu, Liyuan, Xu, Linli, Wangy, Zhen, Chen, Enhong | Data Mining (ICDM), 2015 IEEE International Conference on (v.2015 / no.11 / pp.271-280 / 20151550-4786)

With the recent advances in information networks, the problem of identifying group structure or communities has received a significant amount of attention. Most of the ex

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With the recent advances in information networks, the problem of identifying group structure or communities has received a significant amount of attention. Most of the existing principles of community detection or clustering mainly focus on either the topological structure of a network or the node attributes separately, while both of the two aspects provide valuable information to characterize the nature of communities. In this paper we combine the topological structure of a network as well as the content information of nodes in the task of detecting communities in information networks. Specifically, we treat a network as a dynamic system and consider its community structure as a consequence of interactions among nodes. To model the interactions we introduce the principle of content propagation and integrate the aspects of structure and content in a network naturally. We further describe the interactions among nodes in two different ways, including a linear model to approximate influence propagation, and modeling the interactions directly with random walk. Based on interaction modeling, the nature of communities is described by analyzing the stable status of the dynamic system. Extensive experimental results on benchmark datasets demonstrate the superiority of the proposed framework over the state of the art.

Community detection in social network with pairwisely constrained symmetric non-negative matrix factorization

Shi, Xiaohua, Lu, Hongtao, He, Yangchen, He, Shan | Advances in Social Networks Analysis and Mining (ASONAM), 2015 IEEE/ACM International Conference on (v.2015 / no.8 / pp.541-546 / 2015)

Non-negative Matrix Factorization (NMF) aims to find two non-negative matrices whose product approximates the original matrix well, and is widely used in clustering condi

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Non-negative Matrix Factorization (NMF) aims to find two non-negative matrices whose product approximates the original matrix well, and is widely used in clustering condition with good physical interpretability and universal applicability. Detecting communities with NMF can keep non-negative network physical definition and effectively capture communities-based structure in the low dimensional data space. However some NMF methods in community detection did not concern with more network inner structures or existing ground-truth community information. In this paper, we propose a novel pairwisely constrained non-negative symmetric matrix factorization (PCSNMF) method, which not only consider symmetric community structures of undirected network, but also takes into consideration the pairwise constraints generated from some ground-truth group information to enhance the community detection. We compare our approaches with other NMF-based methods in three social networks, and experimental results for community detection show that our approaches are all feasible and achieve better community detection results.

Simulation of the developed electro-thermal aging model based on trapping and detrapping process

Alghamdi, Hisham A., Chen, George, Vaughan, Alun S. | Electrical Insulation and Dielectric Phenomena (CEIDP), 2015 IEEE Conference on (v.2015 / no.10 / pp.787-791 / 2015)

The key aspect of this work is to simulate the evolution of structure damages in polyethylene under the effect of electro-thermal stresses based on the trapping and detra

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The key aspect of this work is to simulate the evolution of structure damages in polyethylene under the effect of electro-thermal stresses based on the trapping and detrapping aging model. In addition, the susceptibility of the model parameters to the isolated sites during the aging period have also been studied. The simulation work is performed on a 2D square grid that is assumed to represent a part of the insulation. The mesh structure is divided using the finite element method. Based on the nature of polyethylene, its structure is semi-crystalline with a spatially varying morphology. Consequently, each bond in the grid is assigned a set of parameter values. One of these parameters is the critical fraction of trapped charges C*, which needs to be reached in order to fail a bond. It is chosen at random values from a range centered on the characteristic value obtained from the experimental results. This indicates that the insulation life at varying parameter C* is lower than its characteristic value.

Community-based prediction of activity change in Skype

Teinemaa, Irene, Leontjeva, Anna, Dumas, Marlon, Kikas, Riivo | Advances in Social Networks Analysis and Mining (ASONAM), 2015 IEEE/ACM International Conference on (v.2015 / no.8 / pp.73-80 / 2015)

A key problem for facilitators of online communication and social networks is to identify users whose activity is likely to change in the near future. Such predictions ma

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A key problem for facilitators of online communication and social networks is to identify users whose activity is likely to change in the near future. Such predictions may serve as basis for targeted campaigns aimed at sustaining or increasing overall user engagement in the network. A common approach to this problem is to apply machine learning methods to make predictions at the level of individuals. These approaches consider only information about each individual user and, thus, do not exploit the social connections and structure of the network. In this paper, we approach the problem of activity change prediction at the level of communities rather than individuals. We develop predictive models of activity change over communities obtained using state-of-art community detection methods and compare their predictive power with each other and against the single-user baseline and ego networks. The results show that community-level prediction models achieve higher prediction accuracy than the traditional single-user approach, whereas a local community detection algorithm outperforms a global modularity-based method.

Predictive Analytics Driven Campaign Management Support Systems

Goul, Michael, Balkan, Sule, Dolk, Daniel | System Sciences (HICSS), 2015 48th Hawaii International Conference on (v.2015 / no.1 / pp.4782-4791 / 20151530-1605)

This paper uses design science research foundations to establish requirements for predictive analytics-driven Campaign Management Support Systems (CMSS). We assert the 'c

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This paper uses design science research foundations to establish requirements for predictive analytics-driven Campaign Management Support Systems (CMSS). We assert the 'campaign' as the unit of analysis for these systems, because campaign management is central to the marriage of marketing resource management and the ideals of demand/customer-driven supply chains. Current CMMS are fragmented, disconnected and batch-oriented - they are not enterprise-centric. They do not address governance, integrated deployment or the risk of unexpected consequences of campaigns gone awry. However, they should given examples of recent campaign failures at Target and other companies. Further, they do not support domain specific performance measurement and monitoring. We develop requirements for CMSS. We provide a conceptual architecture and monitoring engine. The architecture and engine are founded in vigilant information systems design theory. The CMSS design builds on earlier research in a predictive analytics deployment methodology called 'DEEPER'.

Identification of GSM and LTE signals using their second-order cyclostationarity

Karami, Ebrahim, Dobre, Octavia A., Adnani, Nikhil | Instrumentation and Measurement Technology Conference (I2MTC), 2015 IEEE International (v.2015 / no.5 / pp.1108-1112 / 2015)

Automatic signal identification (ASI) has various military and commercial applications, such as spectrum surveillance and cognitive radio. In this paper, a novel ASI algo

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Automatic signal identification (ASI) has various military and commercial applications, such as spectrum surveillance and cognitive radio. In this paper, a novel ASI algorithm is proposed for the identification of GSM and LTE signals, which is based on the pilot-induced second-order cyclostationarity. The proposed algorithm provides a very good performance at low signal-to-noise ratios and short observation times, with no need for channel estimation, and timing and frequency synchronization. Simulations and off-the-air signals acquired with the ThinkRF WSA4000 receiver are used to confirm the findings.

The experiment and analysis of torsion axle stiffness

Guoying Xu, Chuang Wang, Xinmin Yao, Tao Wang | Mechatronics and Automation (ICMA), 2015 IEEE International Conference on (v.2015 / no.8 / pp.37-42 / 2015)

Variation of tank torsion axle stiffness will appear along mileage increasing, and it will affect comfort and reliable durability of tanks. In this paper, the torsion axl

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Variation of tank torsion axle stiffness will appear along mileage increasing, and it will affect comfort and reliable durability of tanks. In this paper, the torsion axle stiffness is tested for two types of tank with various mileages, and the variation tendency of tank torsion axle stiffness is obtained.

Innovative two wheeler technologies for future mobility concepts

Schier, Michael, Offermann, Bjorn, Weigl, Joerg Dieter, Maag, Tilo, Mayer, Bastian, Rudolph, Christian, Gruber, Johannes | Ecological Vehicles and Renewable Energies (EVER), 2016 Eleventh International Conference on (v.2016 / no.4 / pp.1-7 / 2016)

With the requirements of European Commission's White Book that demand emission-free city logistics in major urban areas until 2050, cargo bicycles may play a significant

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With the requirements of European Commission's White Book that demand emission-free city logistics in major urban areas until 2050, cargo bicycles may play a significant role for last mile deliveries. They require less space than vans and can be parked on the sidewalk. These electrically assisted bicycles, tricycles or quadracycles do not emit any local emissions and are capable to transport 50-250 kg of cargo. But, in topologically moved areas the capacity of conventional battery concepts constrains the transport range: delivery tours by bike can have a daily mileage up to 50-80 km. In the urge of finding energy carriers with a higher energy density than lithium-ion batteries hydrogen comes into the focus for innovative and sustainable cargo bike propulsion systems. This paper outlines the DLR activities to develop a versatile hydrogen fuel cell and its thermal management which suits the transport needs of commercial last mile deliveries with cargo bikes. First studies show that cargo cycles have high potentials not only in postal services but also for the growing courier and parcel service. Active thermal management systems to increase the range and the hill climb capability, the life time and the operational capability like shortening the refilling time are introduced in this paper.

Cognitive neural network modeling of the trajectory of global technical and economic development

Gorbachev, Sergey, Syryamkin, Vladimir | Cognitive Computing and Information Processing (CCIP), 2015 International Conference on (v.2015 / no.3 / pp.1-6 / 2015)

The article considers the problem of measuring the level and rate of technical and economic development of countries in terms of technological change. Advantages of cogni

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The article considers the problem of measuring the level and rate of technical and economic development of countries in terms of technological change. Advantages of cognitive neural network approach to monitoring and quality analysis for integrating into a single model of economic, scientific-technological, innovative and other quantitative and qualitative components of growth, not amenable to traditional statistical analysis, with calculation of the forecast evaluation time of the reference trajectory of technical and economic development. Presents the results of the calculations. To improve the accuracy of the model trajectories are encouraged to use self-organizing Kohonen maps.

A non-linear dynamic electrical model of Sodium-Nickel Chloride Batteries

Musio, Maura, Damiano, Alfonso | Renewable Energy Research and Applications (ICRERA), 2015 International Conference on (v.2015 / no.11 / pp.872-878 / 2015)

In this paper a non-linear second order circuit model of high temperature Sodium-Nickel Chloride batteries (SNBs) is presented. The aim is the development of an accurate

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In this paper a non-linear second order circuit model of high temperature Sodium-Nickel Chloride batteries (SNBs) is presented. The aim is the development of an accurate model easily implementable in microgrids Energy Management System and suitable for their real-time control. The proposed model is based on the analysis of the experimental performance of a commercial 23.5 kWh SNB. In particular, the mathematical description of the used algorithm, the model parameters identification method as well as the measurement tests carried out for their evaluation are reported and discussed in detail. Then, the model is validated using a measured current-voltage profile, developed in order to trigger the whole battery operative range. The comparison between the experimental data and simulations has confirmed the good accuracy of the proposed model in a defined SOC range. However, due to the particular chemical composition of the battery positive electrode, a novel modelling approach specific for the SNB technology has been finally demonstrated to be necessary.

Simulation platform of atmosphere based on GIS

Xu, Hongxin, Li, Ge, Xu, Xiao, Yang, Shanliang | Information and Automation, 2015 IEEE International Conference on (v.2015 / no.8 / pp.1723-1726 / 2015)

Currently, the research of GIS and environmental models has made great progress, but the combination of both is still a difficulty. Aiming at the integration of GIS and e

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Currently, the research of GIS and environmental models has made great progress, but the combination of both is still a difficulty. Aiming at the integration of GIS and environment model, the paper drew some functional components from open source geographic information system, and embedded the atmosphere environment model into GIS as application program interface by hybrid programming, achieved the effective integration of GIS and models, constructed the simulation platform. During the designing process, we used a number of key technologies to optimize the platform, such as design of SQLite-based database systems, Gaussian coordinate conversion, design of simulation run management software based on multi-threaded, improved the efficiency of simulation. Finally, take Beijing haze for example to verify the effectiveness of the platform, tests show that the simulation result is reasonable and effective, and the platform runs more efficiently.

Creating a sustainable humanitarian engineering program

Jordan, William | Humanitarian Technology Conference (IHTC2015), 2015 IEEE Canada International (v.2015 / no.5 / pp.1-4 / 2015)

At Baylor University we have done engineering service projects in the developing world for about 10 years. As we have assessed both our successes and failures, we realize

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At Baylor University we have done engineering service projects in the developing world for about 10 years. As we have assessed both our successes and failures, we realized that to make the projects sustainable, they had to be done with local partners over many years. Our level of engagement with the local people has had a significant impact upon the sustainability of the projects. Our model for how best to do this engagement has changed as we have learned from experience. We are now working in Haiti, partnering with a local non-profit group that has been working in Haiti for 20 years. This helped us earn credibility in the local community. In May 2013 and May 2014 we did solar projects that were well received. We also did projects involving water quality testing and water purification. This work has great promise for being sustainable, for it is working with (not for) the local people and is close enough to the United States so that its costs are more manageable. In addition to creating sustainable projects, we need to develop ways to make the program at our university sustainable. This involves doing several things to help students stay motivated to work in this area. In addition to our trips we have created several cocurricular activities (such as a book club discussing Humanitarian Engineering). We have also made curricular changes, such as introducing an alternative engineering ethics course called Ethics for International Service. We have created a Humanitarian Engineering concentration within our generic engineering major. Students in this concentration will take courses in six topics: people (and culture), economics, development, energy, food/water, and an international service learning class. When coupled with their engineering skills, these courses will help our students be more successful while working in the developing world.

Heat treatment of epoxy resin used for BGA chip capillary underfilling from thawing to curing

Dinnyes, Csaba, Szappanos, Sandor | Electronics Technology (ISSE), 2015 38th International Spring Seminar on (v.2015 / no.5 / pp.118-123 / 2015)

This paper describes the thermal management of an epoxy resin used for Ball Grid Array type chips capillary underfilling. The setup and validation procedure involving som

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This paper describes the thermal management of an epoxy resin used for Ball Grid Array type chips capillary underfilling. The setup and validation procedure involving some safe-launch activity part of a New Product Launch is focusing on the heat treatment of glue from technical, quality and productivity standpoint. It describes a self-designed and built preconditioning device as well as all lab measurement and thermal analysis carried out prior to launching a new production line of Continental in the Budapest factory.

Neurosurgical treatment of glioblastomas using neurophysiological monitoring, neuronavigation, radiosurgery and fluorescence-guided surgery with 5-Aminolevulinic acid

Maria-Raluca, Munteanu, Ion, Poeata, Lucian, Eva, Alin-Constantin, Iordache, Dana-Mihaela, Turliuc | E-Health and Bioengineering Conference (EHB), 2015 (v.2015 / no.11 / pp.1-4 / 2015)

This paper presents the methods and techniques used in the neurosurgical treatment of brain tumors, with an accent on the medical devices used in modern operating rooms f

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This paper presents the methods and techniques used in the neurosurgical treatment of brain tumors, with an accent on the medical devices used in modern operating rooms from the Clinical Emergency Hospital 'Prof. Dr. Nicolae Oblu' Iasi. The combined advantages and disadvantages of the techniques and procedures used in the treatment of high grade gliobastomas are presented and discussed.

Community alarm system design based on MCU and GSM

Zhaoxia Wang, Hanshi Wang, Lizhen Liu, Wei Song, JingLi Lu | Computer Science and Network Technology (ICCSNT), 2015 4th International Conference on (v.1 / pp.859-862 / 2015)

In this paper, we use GSM mobile network that is the most reliable and matured in this day to achieve community alarm system. And it will directly convey the alarm news i

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In this paper, we use GSM mobile network that is the most reliable and matured in this day to achieve community alarm system. And it will directly convey the alarm news in short message or telephone at manager's mobile phone. The design includes hardware and software parts. Its hardware uses MCU AT89C52 series as the core, and controls three alarm parts, they are infrared monitoring alarm system, alarm displayed on LCD, and GSM module. The system adopted passive infrared sensor to detect, and it turned the traditional network security and anti-theft window into the invisible network, so as to timely handle accidents. When the accident happened in the community, the infrared sensor module sends out the alarm signal to the micro-controller, single chip microcomputer receives the signal through the GSM module to send the message immediately to the manager, and then managers to take immediate measures, the site security alarm and remote alarm can be achieved simultaneously.