With high-speed space optical crosslinks, an optical satellite network as part of a larger integrated space-terrestrial network is now feasible. This radical technology building block can have profound transforming ef...
详细信息
ISBN:
(纸本)1557527849
With high-speed space optical crosslinks, an optical satellite network as part of a larger integrated space-terrestrial network is now feasible. This radical technology building block can have profound transforming effects on space system architectures.
Backpropagation algorithm is the most commonly used algorithm for training artificial neural networks. While being a straightforward procedure, it suffers from extensive computations, relatively slow convergence speed...
详细信息
Successful deep-submicron designs require significant computation resources for thorough signal and design integrity analysis. Rising quality expectations and shortening time-to-market requirements present additional ...
详细信息
Successful deep-submicron designs require significant computation resources for thorough signal and design integrity analysis. Rising quality expectations and shortening time-to-market requirements present additional challenges for design closure. Conventional analog circuit optimizers are efficient in circuit analysis and optimization. Due to recent promising results, designers are beginning to adopt automated physical synthesis in their condensed development cycles in order to improve their prototyping efficiency. For high-performance circuit optimization, idealized performance as well as parasitic data should also be considered. This paper presents an effective framework to incorporate parasitic effects into a sensitivity-based circuit optimization tool. To relieve the physical synthesis bottleneck, estimations of parasitic values based on past extraction results are made during incremental design changes. Sensitivities of the performance impact can then be computed efficiently. As a result physical performance can be optimized using available optimizer and synthesis tools without the need of a priori expert rules, knowledge or cell libraries.
An adaptive Mamdani based fuzzy logic controller has been designed for controlling a Static Compensator (STATCOM) in a multimachine power system. Such a controller does not need any prior knowledge of the plant to be ...
详细信息
As microarchitectural and system complexity grows, comprehending system behavior becomes increasingly difficult, and often requires obtaining and sifting through voluminous event traces or coordinating results from mu...
详细信息
ISBN:
(纸本)1595930183
As microarchitectural and system complexity grows, comprehending system behavior becomes increasingly difficult, and often requires obtaining and sifting through voluminous event traces or coordinating results from multiple, non-localized sources. Owl is a proposed framework that overcomes limitations faced by traditional performance counters and monitoring facilities in dealing with such complexity by pervasively deploying programmable monitoring elements throughout a system. The design exploits reconfigurable or programmable logic to realize hardware monitors located at event sources, such as memory buses. These monitors run and writeback results autonomously with respect to the CPU, mitigating the system impact of interrupt-driven monitoring or the need to communicate irrelevant events to higher levels of the system. The monitors are designed to snoop any kind of system transaction, e.g., within the core, on a bus, across the wire, or within I/O devices. Copyright 2005 ACM.
Based on Dual Heuristic Programming (DHP), a real-time implementation of a neurocontroller for excitation and turbine control of a turbogenerator in a multimachine power system is presented. The feedback variables are...
详细信息
The main ideas and objectives of High Speed systemsengineering (HSSE) are presented. HSSE is being used as integrating pedogogical and research platforms to train modern engineers and future researchers. The newly de...
详细信息
The main ideas and objectives of High Speed systemsengineering (HSSE) are presented. HSSE is being used as integrating pedogogical and research platforms to train modern engineers and future researchers. The newly developed classes and the changes made in the curriculum is enhancing interaction between faculty, graduate and undergraduate students. A study shows that HSSE has been successful in encouraging students from all undergraduate levels to participate in learning and experimenting, also are encouraged to be involved in research and graduate studies.
Multilayer perceptron and radial basis function neural networks have been traditionally used for plant identification in power systems applications of neural networks. While being efficient in tracking the plant dynam...
详细信息
It has been an important task of discovering frequent fragments as particular patterns from large sequence databases generated from a variety of applications. In general, the patterns to be discovered may partially an...
详细信息
It has been an important task of discovering frequent fragments as particular patterns from large sequence databases generated from a variety of applications. In general, the patterns to be discovered may partially and asynchronously exist in sequences, and even contain gaps. In addition, it is necessary to collect the information regarding the locations and frequencies of the patterns. How to enumerate candidate patterns for evaluation without exponentially increasing the computation is another problem. In this paper, the modified periodicity transform is proposed to meet the requirements mentioned above. Also, a distributed computing framework is implemented to perform the mining task more efficiently. Both synthetic and biological sequences are utilized to examine the approach. The experimental results demonstrate the efficiency and effectiveness the system.
The model matching problem minR(z)W(z)-R(z)E(z) involved in multirate filter banks design is addressed. A method is presented to design the synthesis filter bank R(z) with the order of W(z) which is the polyphase repr...
详细信息
ISBN:
(纸本)1604238216
The model matching problem minR(z)W(z)-R(z)E(z) involved in multirate filter banks design is addressed. A method is presented to design the synthesis filter bank R(z) with the order of W(z) which is the polyphase representation of the time delay of the reconstructed signal. The existence conditions of such low-order R(z) are given in linear matrix inequalities (LMIs). The corresponding H2 model matching problem is solved in the same fashion. The results are illustrated through examples. Examples demonstrate the possibility of improving signal reconstruction error and reducing the order of synthesis filters simultaneously by increasing moderately time delay.
暂无评论