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检索条件"主题词=Programmable Logic Arrays"

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Stability and pole dominance of control systems

Stability and pole dominance of control systems

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International Carpathian Control Conference (ICCC)

作者： Miluse Viteckova Antonin Vitecek Department of Control Systems and Instrumentation VSB – Technical University of Ostrava Ostrava Czech Republic

The paper is devoted to the argument principle and its use for verifying of the stability, dominance of poles and to determine a dominance margin for control systems with time delay of a retarded type. Its use is show... 详细信息

关键词： programmable logic arrays

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Analysis of the intellectual structure and evolution of technology roadmapping literature

Analysis of the intellectual structure and evolution of tech...

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Portland International Conference on Management of Engineering and Technology (PICMET)

作者： Petrus Letaba Marthinus W. Pretorius Leon Pretorius National Advisory Council on Innovation Pretoria South Africa Graduate School of Technology Management University of Pretoria Pretoria South Africa

ISBN: (纸本)9781479917679

The technology roadmapping field has evolved over time from the first and second generation technology roadmaps to the current third generation roadmaps. As a strategy and policy formulation tool, technology roadmaps proved to be useful in facilitating learning and consensus across the firm or across the industry. Similarly, technology roadmaps have been used as a process to operationalise the strategies by mapping the details of future research and development programs, technological capability development programs and manufacturing capability development initiatives. Practitioners and scholars alike are seeking new ways on integration of this technology market planning tool with other business processes while on the other hand, there are efforts for their customisation according to the needs of managers or policy makers. This paper maps trends in technology roadmapping and technology roadmap literature through an analysis of life cycle pattern on scientific contributions from this field. A gap exists for quantitative tracking of evolutionary patterns in terms of the three technology roadmapping generations.

关键词： Technological innovation Planning Companies Vehicles programmable logic arrays Knowledge engineering

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Search-Based Migration of Model Variants to Software Product Line Architectures

Search-Based Migration of Model Variants to Software Product...

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International Conference on Software Engineering (ICSE)

作者： Wesley Klewerton Guez Assunção DINF-Federal University of Paraná Curitiba CP Brazil

Software Product Lines (SPLs) are families of related software systems developed for specific market segments or domains. Commonly, SPLs emerge from sets of existing variants when their individual maintenance becomes infeasible. However, current approaches for SPL migration do not support design models, are partially automated, or do not reflect constraints from SPL domains. To tackle these limitations, the goal of this doctoral research plan is to propose an automated approach to the SPL migration process at the design level. This approach consists of three phases: detection, analysis and transformation. It uses as input the class diagrams and lists of features for each system variant, and relies on search-based algorithms to create a product line architecture that best captures the variability present in the variants. Our expected contribution is to support the adoption of SPL practices in companies that face the scenario of migrating variants to SPLs.

关键词： Software Feature extraction programmable logic arrays Unified modeling language Software product lines Medical services

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A novel double-density, single-gate vertical channel (SGVC) 3D NAND Flash that is tolerant to deep vertical etching CD variation and possesses robust read-disturb immunity

A novel double-density, single-gate vertical channel (SGVC) ...

引用

International Electron Devices Meeting (IEDM)

作者： Hang-Ting Lue Tzu-Hsuan Hsu Chen-Jun Wu Wei-Chen Chen Teng-Hao Yeh Kuo-Pin Chang Chih-Chang Hsieh Pei-Ying Du Yi-Hsuan Hsiao Yu-Wei Jiang Guan-Ru Lee Roger Lo Yan-Ru Su Chiatze Huang Sheng-Chih Lai Li-Yang Liang Chieh-Fang Chen Min-Feng Hung Chih-Wei Hu Chia-Jung Chiu Chih-Yuan Lu Macronix International Co. Ltd Emerging Central Lab. Hsinchu Taiwan Macronix International Co. Ltd Emerging Central Lab. 16 Li-Hsin Road Hsinchu Science Park Hsinchu Taiwan

We demonstrate a novel vertical channel 3D NAND Flash architecture - SGVC. SGVC device is a single-gate, flat-channel TFT charge-trapping device with ultra-thin body. Our novel array decoding method enables a tight-pitch (25nm HP) metal BL design to fulfill the large page size (16KB for one plane) for high-performance NAND product. The SGVC flat cell possesses excellent P/E window of ~10V, small X/Y/Z adjacent-cell interferences, good self-boosting inhibit, and >10K P/E cycling endurance. Due to the advantage of flat cell that is insensitive to etching CD, SGVC device is tolerant to the non-ideal vertical etching and has shown excellent device uniformity from layer to layer. In sharp contract to GAA VC, SGVC suffers no penalty from field-enhancement effect, thus has shown very robust read-disturb immunity against long-term gate stressing. Due to (1) two physical bits per X-Y cell footprint, and (2) efficient array design with minimal overhead, SGVC architecture has 2 to 4 times memory density than GAA VC 3D NAND at the same stacking layer number.

关键词： Computer architecture logic gates Microprocessors Three-dimensional displays Etching programmable logic arrays Flash memories

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System state assessment of a grey immune mechanism-based organic manufacturing system

System state assessment of a grey immune mechanism-based org...

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IEEE International Conference on Grey Systems and Intelligent Services (GSIS)

作者： Qixiang Cai Haihua Zhu Dunbing Tang Tengxiao Huang College of Mechanical and Electrical Engineering Nanjing University of Aeronautics and Astronautics Nanjing Jiangsu P.R. China

ISBN: (纸本)9781479983766

Based on a comparison of manufacturing and biological organism systems, we have proposed the concept of an organic manufacturing system. To eliminate promptly uncertain disturbances during the organic manufacturing system's operation, an immune monitoring model of an organic manufacturing system, analogous to a biological immune system mechanism is proposed. The implementation of immune recognition, assessment, learning, memory and regulation in response to abnormal disturbance factors is investigated. The system's grey assessment model based on an analytic hierarchy is carefully analyzed, and the effectiveness of the system state assessment method is verified experimentally through simulation.

关键词： Immune system Monitoring Biomedical monitoring programmable logic arrays

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Research status of electron beam plasma for aerodynamic applications in China

Research status of electron beam plasma for aerodynamic appl...

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IEEE International Conference on Plasma Science (ICOPS)

作者： Y. F. Deng Y. H. Tan X. W. Han Shaanxi Power Machine Design and Research Institute Xi'an China

Summary form only given. Recently, many aerodynamic problems are arising under the quickly developments of supersonic and hypersonic flight ve hides, such as boundary layer separation, flight drag force in creasing, etc. Differencing with the passive flow control methods, the active method attracts more and more attention and becomes one of the most booming realms of aerodynamics. Among kinds of methods, the approach of non-equilibrium plasma is the most prospective one due to its fast reaction time, lo w device weight and *** the decades, China has drawn up a detailed developing blu eprint of supersonic flight vehicles and a great progress has al ready been made. As a novel flow control method, the plasma method is also included in the technology research program. Thus a lot of research results are reported, however, the indu cing flow velocity of discharge is limited and therefore can n ot b e used in high velocity flow. So a new approach by using high energy electron beam is proposed by its some outstandi ng features, i.e. The large action scale and high efficiency. Considering the advantages, the characteristics of electron be am plasma for aerodynamic applications are investigated in C hina. The key processes, such as beam generating, flow excit ation and plasma evolution, are analyzed in detail. The results demonstrate that electron beam behaves as a high energy and efficiency actuator and has the capability to produce large sc ale plasma in supersonic air flow. In another way, in order to study the plasma flow control mec hanisms, several electron beam plasma equipment is construc ted. Now the Chinese designers are dedicating to improve the system performances and try to make a huge progress towar ds technology readiness. In this paper, the research status and recent progresses of elec tron beam plasma for aerodynamic applications in China are r eviewed. Meanwhile, the flow control mechanism of electron beam plasma is analyzed. By the analysis, the develo

关键词： Plasmas Electron beams Aerodynamics Drag Force programmable logic arrays

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Motion Representation Based on Important Turning Points Set and Its Application in Dance Training

Motion Representation Based on Important Turning Points Set ...

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International Conference on Soft Computing and Machine Intelligence (ISCMI)

作者： Yu Wei Computer Teaching and Research Section Capital University of Physical Education and Sports Beijing China

ISBN: (纸本)9781467398206

Motion analysis is quite important in assistance of dance training, as it provides further analysis with basic information of the motion behavior. Since the scale of the motion time series are usually quite large, data compression becomes quite important. Thus, before the classification or similarity comparison, we need to analyze the data of each possible motion carefully and extract the important parts of the data to create the lower dimensional transformation of the motion data. In this paper, we propose an algorithm based on important turning points set which extracts data points that play significant roles in forming the shape of the motion data.

关键词： Turning Time series analysis Shape Training Filtering Analytical models programmable logic arrays

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A low loss X-band filter using 3-D Polyjet technology

A low loss X-band filter using 3-D Polyjet technology

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Microwave, MTT-S International Symposium

作者： Fan Cai Wasif Tanveer Khan John Papapolymerou Georgia Institute of Technology Atlanta USA

In this paper, the Polyjet technology was applied to build high-Q X-band resonators and low loss filters for the first time. As one of state-of-the-art 3-D printing technologies, the Polyjet technique produces RF models with finest resolution and outstanding surface finish in a clean, fast and affordable way. The measured resonator with 0.3% frequency shift yielded a quality factor of 214 at 10.26 GHz. A Vertically stacked two-cavity bandpass filter with an insertion loss of 2.1 dB and 5.1% bandwidth (BW) was realized successfully. The dimensional tolerance of this process was found to be less than 0.5%. The well matched performance of the resonator and the filter, as well as the fine feature size indicate that the Polyjet process is suitable for the implementation of low loss and low cost RF devices.

关键词： Microwave FET integrated circuits Microwave integrated circuits Microwave technology Microwave antennas Indexes programmable logic arrays Resonator filters

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Bi-Decomposition Using Boolean Relations

Bi-Decomposition Using Boolean Relations

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Euromicro Symposium on Digital System Design

作者： Anna Bernasconi Robert K. Brayton Valentina Ciriani Gabriella Trucco Tiziano Villa Dipartimento di Informatica Università di Pisa Italy Department of EECS University of California Berkeley USA Dipartimento di Informatica Università degli Studi di Milano Italy

We study three-level implementations where the first two levels represent a standard PLA form with an AND-plane and an OR-plane. This implements a 2m-output SOP. The final stage consists of m two-input programmable LUTs. The PLA outputs are paired so that the LUT outputs implement a set of m given incompletely specified functions (ISFs). Three-level structures have been studied previously, e.g. resulting in ANDOR-AND or AND-OR-XOR implementations. By using the LUT effectively, the composition of the AND-plane can be controlled to implement a PLA which has the optimum phase assignment for maximum cube sharing. For each output, we characterize the problem of all legal implementations of such a model, by defining Boolean relations that capture all the flexibility induced by the final LUT logic. The extra LUT level provides a dimension beyond simple phase assignment. We performed experiments using a Boolean relation minimizer to compare such realizations vs. SOP forms and published three-level forms, comparing areas and delays. To approximate the possible sharing in the PLA, we mapped the 2m PLA logic using SIS. We focused on experiments with two-input Boolean functions not captured by AND-OR-AND or AND-OR-XOR approaches and found good gains in many cases with affordable increases in synthesis runtimes.

关键词： logic gates Table lookup Delays programmable logic arrays Boolean functions Minimization Benchmark testing

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Data driven structural similarity: A Distance measure for adaptive linear approximations of time series

Data driven structural similarity: A Distance measure for ad...

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International Joint Conference on Knowledge Discovery, Knowledge Engineering and Knowledge Management (IC3K)

作者： Victor Ionescu Rodica Potolea Mihaela Dinsoreanu Computer Science Department Technical University of Cluj-Napoca Cluj-Napoca Romania

ISBN: (纸本)9781509019670

Much effort has been invested in recent years in the problem of detecting similarity in time series. Most work focuses on the identification of exact matches through point-by-point comparisons, although in many real-world problems recurring patterns match each other only approximately. We introduce a new approach for identifying patterns in time series, which evaluates the similarity by comparing the overall structure of candidate sequences instead of focusing on the local shapes of the sequence and propose a new distance measure ABC (Area Between Curves) that is used to achieve this goal. The approach is based on a data-driven linear approximation method that is intuitive, offers a high compression ratio and adapts to the overall shape of the sequence. The similarity of candidate sequences is quantified by means of the novel distance measure, applied directly to the linear approximation of the time series. Our evaluations performed on multiple data sets show that our proposed technique outperforms similarity search approaches based on the commonly referenced Euclidean Distance in the majority of cases. The most significant improvements are obtained when applying our method to domains and data sets where matching sequences are indeed primarily determined based on the similarity of their higher-level structures.

关键词： Time series analysis Time measurement Linear approximation programmable logic arrays Shape Search problems Piecewise linear approximation

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