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Annual IEEE Symposium on computer-Based Medical systems

作者： Petra Povalej Matej Kravos Peter Kokol Laboratory for System Design Faculty of Electrical Engineering and Computer Science University of Maribor Slovenia Psychiatric Hospital Ormož Ormoz Slovenia

The alcohol dependency is hard to diagnose since none of the existing laboratory markers has sufficient specificity and sensitivity. Therefore the goal of our study was to find better laboratory markers and / or their combinations. For that purpose the intelligent data analysis using the decision tree induction method was used. The results show that the combination of three or even two markers can prove alcohol dependency with almost 85% accuracy. However the remark has to be made that the induced decision tree offers a qualitatively different access to diagnostic evaluation of laboratory findings and varies from common practice, because it sets up its new and own borders and criteria what is the unlike from generally accepted or set up reference values. All selected markers are widely accessible, inexpensive and part of a routine laboratory tests.

关键词： Data analysis Laboratories Decision trees Medical diagnostic imaging Alcoholism Testing Biochemistry Databases Decision making Learning systems

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Estimation of Power system Variability due to Wind Power

Estimation of Power System Variability due to Wind Power

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Power Tech Conference

作者： George Papaefthymiou Jody Verboomen Lou van der Sluis Electrical Power System Laboratory (EPS) Faculty of Electrical Engineering Mathematics ' Computer Science Delft University of Technnology Delft Netherlands

The incorporation of wind power generation to the power system leads to an increase in the variability of the system power flows. The assessment of this variability is necessary for the planning of the necessary system reinforcements. For the assessment of this variability, the uncertainty in the system inputs should be modeled, comprising of the time-dependent stochasticity of the system loads and the correlated wind resources. In this contribution, a unified Monte-Carlo simulation methodology is presented that addresses both issues. The application of the method for the analysis of the wind power integration in the New England test system is presented.

关键词： Power systems Wind energy Power system modeling Wind energy generation Wind power generation Load flow Wind speed Stochastic systems Power generation Power system planning

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An 81.6 GOPS Object Recognition Processor Based on NoC and Visual Image Processing Memory

An 81.6 GOPS Object Recognition Processor Based on NoC and V...

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29th Annual IEEE Custom Integrated Circuits Conference (CICC 2007), vol.2

作者： Donghyun Kim Kwanho Kim Joo-Young Kim Seungjin Lee Hoi-Jun Yoo Semiconductor System Laboratory Department of Electronic Engineering and Computer Science Korea Advanced Institute of Science and Technology Daejeon South Korea

An 81.6 GOPS object recognition processor is developed by using NoC and Visual Image Processing (VIP) memory. SIFT (Scale Invariant Feature Transform) object recognition requires huge computing power and data transactions among tasks. The chip integrates 10 SIMD PEs for data/task level parallelism while the NoC facilitates inter-PE communications. The VIP memory searches local maximum pixel inside a 3×3 window in a single cycle providing 65.6 GOPS. The proposed processor achieves 15.9fps SIFT feature extraction at 200MHz.

关键词： Object recognition Network-on-a-chip Image processing Parallel processing Vehicle detection computer architecture Intelligent robots Concurrent computing Filtering Energy consumption

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Implementation of Memory-Centric NoC for 81.6 GOPS object recognition processor

Implementation of Memory-Centric NoC for 81.6 GOPS object re...

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IEEE Asian Conference on Solid-State Circuits (ASSCC)

作者： Donghyun Kim Kwanho Kim Joo-Young Kim Seungjin Lee Hoi-Jun Yoo Semiconductor System Laboratory Department of Electronics Engineering and Computer Science Korea Advanced Institute of Science and Technology Daejeon South Korea

An 81.6 GOPS object recognition processor based on memory-centric NoC (MC-NoC) is implemented in a 0.18-mum CMOS technology. The MC-NoC facilitates data transactions among 10 SIMD processing elements (PEs) by exploiting 8 visual image processing (VIP) memories. The 10 PEs implement special SIMD instructions to perform Gaussian filtering at 16 GOPS. The 8 VIP memories provide one cycle local maximum pixels search operation performing 65.6 GOPS. The chip dissipates 1.4 W at 200 MHz operating frequency.

关键词： Network-on-a-chip Object recognition Parallel processing CMOS technology Image processing Intelligent robots Energy consumption Pixel Memory management Communication channels

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PPM Reduction on Embedded Memories in system on Chip

PPM Reduction on Embedded Memories in System on Chip

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IEEE European Test Symposium (ETS)

作者： Said Hamdioui Zaid Al-Ars Javier Jimenez Jose Calero Computer Engineering Laboratory Delft University of Technnology Delft Netherlands Design of System on Silicon (DS2) Valencia Spain

This paper summarizes advanced test patterns designed to target dynamic and time-related faults caused by new defect mechanisms in deep-submicron memory technologies. Such tests are industrially evaluated together with the traditional tests at "Design of systems on Silicon (DS2)" in Spain in order to (a) validate the used fault models and (b) investigate the added value of the new tests and their impact on the PPM level. The preliminary silicon results are presented and analyzed. They validate some of the new dynamic fault models and show the importance of considering dynamic faults for high outgoing product quality.

关键词： system-on-a-chip Circuit faults Silicon system testing Random access memory Decoding Fault detection Delay Stress Circuit testing

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High Data-Rate 6.7GHz Wireless ASIC Transmitter for Neural Prostheses

High Data-Rate 6.7GHz Wireless ASIC Transmitter for Neural P...

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29th Annual International Conference of the IEEE engineering in Medicine and Biology Society (EMBS 2007), vol.16

作者： Eric Y. Chow Adam Kahn Pedro P. Irazoqui Brain Computer Interface Laboratory Weldon School of Biomedical Engineering and School of Electrical and Computer Engineering Purdue University West Lafayette IN USA Purdue University System West Lafayette IN US Brain Computer Interface Laboratory Weldon School of Biomedical Engineering Purdue University West Lafayette IN USA

A high-frequency transmitter has been designed for high data-rate biomedical telemetry. Although high frequencies face greater attenuation, transcutaneous transmission was successfully tested and verified using a 3.76mm thick sample of porcine skin. The structure transmits over 440μW of power, consumes about 4.9mA of current from a 1.8V supply, and achieves a phase noise of -72dBc/Hz at 100KHz. The transmitter operates at around 6.7GHz with a 50MHz tuning range and is fully integrated on the CMOS IBM7RF 0.18μm process.

关键词： Application specific integrated circuits Neurotransmitters Prosthetics Transmitters Biomedical telemetry Frequency Attenuation Testing Skin Phase noise

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Quasi-Static Energy Recovery Logic with Single Power-Clock Supply

Quasi-Static Energy Recovery Logic with Single Power-Clock S...

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IEEE International Symposium on Circuits and systems (ISCAS)

作者： Shun Li Feng Zhou Chunhong Chen Hua Chen Yipin Wu ASCI & System State-Key Laboratory Fudan University Shanghai China Department of Electrical and Computer Engineering University of Windsor ONT Canada

This paper presents new quasi-static single-phase energy recovery logic (QSSERL) which, unlike any other existing adiabatic logic family, uses single sinusoidal supply-clock without additional voltages. This not only ensures lower energy dissipation, but also simplifies the clock design which would be otherwise more complicated due to the signal synchronization requirement. It is demonstrated that QSSERL circuits operate as fast as conventional two-phase energy recovery logic counterparts. HSPICE simulation with an 8-bit logarithmic lookahead adder (LLA) using static CMOS, CAL (an existing single-phase based energy recovery logic), and QSSERL shows that the QSSERL adder consumes only 56% of energy as with its static CMOS counterpart at 10MHz and achieves better energy efficiency than CAL.

关键词： Power supplies CMOS logic circuits Adders Voltage Energy dissipation Clocks Signal design Synchronization Logic circuits Circuit simulation

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Fuzzy reliability of an iSCSI-based disk array system

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通讯和计算机（中英文版） 2007年第7期4卷 37-42页

作者： JIANG Ming-hua ZHOU Jing-li HU Ming College of Computer Science ＆ Technology Wuhan University of Science ＆ Engineering Wuhan 430073 China Key Laboratory of Data Storage System Huazhong University of Science ＆ Technology Wuhan 430074 China

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Quasi-static energy recovery logic with single power-clock supply

Pan Tao Ti Hsueh Pao/Chinese Journal of Semiconductors

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Pan Tao Ti Hsueh Pao/Chinese Journal of Semiconductors 2007年第11期28卷 1729-1734页

作者： Li, Shun Zhou, Feng Chen, Chunhong Chen, Hua Wu, Yipin State Key Laboratory of ASCI and System Fudan University Shanghai 201203 China Department of Electrical and Computer Engineering University of Windsor Ont. N9B 3P4 Canada

This paper presents a new quasi-static single-phase energy recovery logic (QSSERL), which unlike any other existing adiabatic logic family, uses a single sinusoidal supply-clock without additional timing control voltages. This not only ensures lower energy dissipation, but also simplifies the clock design, which would be otherwise more complicated due to the signal synchronization requirement. It is demonstrated that QSSERL circuits operate as fast as conventional two-phase energy recovery logic counterparts. Simulation with an 8bit logarithmic look-ahead adder (LLA) using static CMOS, clocked CMOS adiabatic logic (CAL, an existing typical single-phase energy recovery logic), and QSSERL, under 128 randomly generated input vectors, shows that the power consumption of the QSSERL adder is only 45% of that of the conventional static CMOS counterpart at 10 MHz, and the QSSERL adder achieves better energy efficiency than CAL when the input frequency finput is larger than 2 MHz.

关键词： CMOS integrated circuits

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OPTIMAL CONTROL FOR TWO-DIMENSIONAL LINEAR systemS WITH VARIABLE COEFFICIENTS

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Asian Journal of Control 2008年第4期1卷

作者： Jimshone Li Jason Sheng-Hong Tsai Leang-San Shieh Control System Laboratory Department of Electrical Engineering National Cheng Kung University Tainan 701 Taiwan R.O.C. Jim-Shone Li was born in Taiwan R. O.C. on April 20 1967. He received B.S. and M.S. degrees in Electrical Engineering from the Chung-Cheng Institute of Technology Taoyuan Taiwan R.O.C. in 1989 and 1993 respectively. He is currently a Ph.D. student at National Cheng-Kung University Tainan Taiwan R.O.C. His research interests include analysis and design of multidimensional systems and nonlinear system control. Department of Electrical and Computer Engineering University of Houston Houston TX 77004-4793 U.S.A.

An optimal control method for two-dimensional (2-D) linear systems with variable coefficients and free boundary conditions in Roesser's model is proposed in this paper. Based on Roesser's model, an equivalent general 1-D model of the 2-D system is presented, and the problem of minimizing a 2-D linear quadratic (LQ) cost function is solved for the case where complete state information is available. The solution is obtained by using the proposed dynamic programming in 1-D descriptor form to solve the Riccati equation and then arriving at the optimal control law and minimum cost. The proposed control methodology can be applied to discrete-time models of systems described by partial differential equations and can also be used in the field of signal processing.

关键词： Two-dimensional system optimal control Roesser's model Riccati equation

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