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The 24th Southeastern Symposium on and The 3rd Annual Symposium on Communications, Signal Processing Expert Systems, and ASIC VLSI Design System Theory最新文献

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The Design of a One-Degree-of-Freedom Master-Slave Device Based on a Shape Memory Alloy Actuator 基于形状记忆合金作动器的一自由度主从机构设计
The 24th Southeastern Symposium on and The 3rd Annual Symposium on Communications, Signal Processing Expert Systems, and ASIC VLSI Design System Theory Pub Date : 1992-03-01 DOI: 10.1109/SSST.1992.712215
E.G. Munday, C.J. Hasser
{"title":"The Design of a One-Degree-of-Freedom Master-Slave Device Based on a Shape Memory Alloy Actuator","authors":"E.G. Munday, C.J. Hasser","doi":"10.1109/SSST.1992.712215","DOIUrl":"https://doi.org/10.1109/SSST.1992.712215","url":null,"abstract":"A one-degree-of-freedom master-slave device was built using shape memory alloy (SMA) wires for actuation. A bang-bang control scheme was used for both the position control of the slave and the force control of the master. A prototype was built to demonstrate stability and other aspects of the design concept. Air cooling of the SMA wires proved inadequate, causing the slave to lag behind the master when the slave wires were being returned to extended length. An experiment was performed to determine the cooling time constants for the SMA wire in air, water, and a 50/50 mixture of water and glycerol.","PeriodicalId":359363,"journal":{"name":"The 24th Southeastern Symposium on and The 3rd Annual Symposium on Communications, Signal Processing Expert Systems, and ASIC VLSI Design System Theory","volume":"82 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"1992-03-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"129866070","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Electron Avalanches Near a Charged Insulator 带电绝缘体附近的电子雪崩
The 24th Southeastern Symposium on and The 3rd Annual Symposium on Communications, Signal Processing Expert Systems, and ASIC VLSI Design System Theory Pub Date : 1992-03-01 DOI: 10.1109/SSST.1992.712332
S. Mahajan
{"title":"Electron Avalanches Near a Charged Insulator","authors":"S. Mahajan","doi":"10.1109/SSST.1992.712332","DOIUrl":"https://doi.org/10.1109/SSST.1992.712332","url":null,"abstract":"Electron avalanches near a charged solid insulator have been simulated using four different electric field profiles: Linear exponential, rectangular and triangular. Photoemission from the solid dielectric has been incorporated in the growth of an avalanche. Results indicate the sensitivity of electron avalanche growth to the electric field profile and to a large extent to the photoemissive contribution from the insulator.","PeriodicalId":359363,"journal":{"name":"The 24th Southeastern Symposium on and The 3rd Annual Symposium on Communications, Signal Processing Expert Systems, and ASIC VLSI Design System Theory","volume":"22 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"1992-03-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"117235765","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Hybrid Acousto-Optical Bistability in the Second-Order Bragg Regime 二阶Bragg区混合声光双稳性
The 24th Southeastern Symposium on and The 3rd Annual Symposium on Communications, Signal Processing Expert Systems, and ASIC VLSI Design System Theory Pub Date : 1992-03-01 DOI: 10.1109/SSST.1992.712365
M. McNeill, T. Poon
{"title":"Hybrid Acousto-Optical Bistability in the Second-Order Bragg Regime","authors":"M. McNeill, T. Poon","doi":"10.1109/SSST.1992.712365","DOIUrl":"https://doi.org/10.1109/SSST.1992.712365","url":null,"abstract":"Over the past decade, research with acoustooptic hybrid bistable devices has been primarily concerned with operation in the first Bragg regime involving two to four diffracted orders. In this paper, a model that includes both acoustooptic diffraction and nonlinear feedback will be used to investigate optical bistability in the second Bragg regime. In addition, theoretical simulations will be used to compare this system with an identical system operating in the first Bragg regime. Theoretical and experimental results will be presented.","PeriodicalId":359363,"journal":{"name":"The 24th Southeastern Symposium on and The 3rd Annual Symposium on Communications, Signal Processing Expert Systems, and ASIC VLSI Design System Theory","volume":"44 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"1992-03-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"121253081","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 1
A New Formulation of Load Flow Equations Using Line Flows as Variables 以线流为变量的潮流方程新公式
The 24th Southeastern Symposium on and The 3rd Annual Symposium on Communications, Signal Processing Expert Systems, and ASIC VLSI Design System Theory Pub Date : 1992-03-01 DOI: 10.1109/SSST.1992.712331
J. R. Patel, A. Chandrasekaran
{"title":"A New Formulation of Load Flow Equations Using Line Flows as Variables","authors":"J. R. Patel, A. Chandrasekaran","doi":"10.1109/SSST.1992.712331","DOIUrl":"https://doi.org/10.1109/SSST.1992.712331","url":null,"abstract":"This paper presents a new formulation of load flow equations for digital computer application. The method uses branch power flows and bus voltage magnitudes as variables. This formulation is useful from a physical viewpoint, since bus voltage magnitudes and branch power flows are directly measured. An example six bus Ward and Hale system describes all the equations in deriving the new formulation. Results from a program developed on the basis of the new algorithm are included.","PeriodicalId":359363,"journal":{"name":"The 24th Southeastern Symposium on and The 3rd Annual Symposium on Communications, Signal Processing Expert Systems, and ASIC VLSI Design System Theory","volume":"76 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"1992-03-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"122780964","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Parallel QR Factorization on a Block Data Flow Architecture 基于块数据流结构的并行QR分解
The 24th Southeastern Symposium on and The 3rd Annual Symposium on Communications, Signal Processing Expert Systems, and ASIC VLSI Design System Theory Pub Date : 1992-03-01 DOI: 10.1109/SSST.1992.712297
Hongyu Xu, W. Alexander
{"title":"Parallel QR Factorization on a Block Data Flow Architecture","authors":"Hongyu Xu, W. Alexander","doi":"10.1109/SSST.1992.712297","DOIUrl":"https://doi.org/10.1109/SSST.1992.712297","url":null,"abstract":"In this paper, we introduce a block dataflow architecture (BDFA) which is very efficient for some computational intensive multidimensional digital signal processing and matrix algorithms. We demonstrate the advantages of this architecture by using the Givens rotations of a dense matrix as an example. The BDFA eliminates the requirement for global data communications and significantly reduces the time required for hand shaking for data transmission by using block dataflow. In this paper, we discuss the implementation of the orthogonal transformation of a dense matrix using Givens rotations on the BDFA.","PeriodicalId":359363,"journal":{"name":"The 24th Southeastern Symposium on and The 3rd Annual Symposium on Communications, Signal Processing Expert Systems, and ASIC VLSI Design System Theory","volume":"13 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"1992-03-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"116874050","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 2
Model Identification for the Space Shuttle Main Engine High Pressure Oxidizer Turbopump 航天飞机主发动机高压氧化剂涡轮泵模型辨识
The 24th Southeastern Symposium on and The 3rd Annual Symposium on Communications, Signal Processing Expert Systems, and ASIC VLSI Design System Theory Pub Date : 1992-03-01 DOI: 10.1109/SSST.1992.712373
J. Brown, R. D. Irwin, J.R. Mitchell
{"title":"Model Identification for the Space Shuttle Main Engine High Pressure Oxidizer Turbopump","authors":"J. Brown, R. D. Irwin, J.R. Mitchell","doi":"10.1109/SSST.1992.712373","DOIUrl":"https://doi.org/10.1109/SSST.1992.712373","url":null,"abstract":"The problem addressed in this paper concerns identification of the input-to-output characteristics of the space shuttle main engine high pressure oxidizer turbopump given measurements of the system output via strain gauges and accelerometers with no exact knowledge of the input. The Eigenvalue Realization Algorithm is used to model spectral characteristics of output signals. The poles and zeros of the system are identified from these models. The analytical background necessary to solve this problem will be developed and then applied to actual preflight engine test data taken at the NASA Stennis Space Flight Center and supplied by NASA Marshall Space Flight Center.","PeriodicalId":359363,"journal":{"name":"The 24th Southeastern Symposium on and The 3rd Annual Symposium on Communications, Signal Processing Expert Systems, and ASIC VLSI Design System Theory","volume":"14 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"1992-03-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"124619468","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 1
DSP96002 vs. i860: Digital Signal Processing Applications DSP96002与i860:数字信号处理应用
The 24th Southeastern Symposium on and The 3rd Annual Symposium on Communications, Signal Processing Expert Systems, and ASIC VLSI Design System Theory Pub Date : 1992-03-01 DOI: 10.1109/SSST.1992.712204
A. George
{"title":"DSP96002 vs. i860: Digital Signal Processing Applications","authors":"A. George","doi":"10.1109/SSST.1992.712204","DOIUrl":"https://doi.org/10.1109/SSST.1992.712204","url":null,"abstract":"This paper provides an overview and comparison of two important new microprocessors for digital signal processing (DSP). Topics discussed include background information, an overview of the each architecture, and a comparison of these two architectures in addressing DSP applications.","PeriodicalId":359363,"journal":{"name":"The 24th Southeastern Symposium on and The 3rd Annual Symposium on Communications, Signal Processing Expert Systems, and ASIC VLSI Design System Theory","volume":"56 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"1992-03-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"123897122","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 1
Costs and Unreliability Minimization of Transmission System Shield Wires 输电系统屏蔽线的成本和不可靠性最小化
The 24th Southeastern Symposium on and The 3rd Annual Symposium on Communications, Signal Processing Expert Systems, and ASIC VLSI Design System Theory Pub Date : 1992-03-01 DOI: 10.1109/SSST.1992.712265
T. N. Kannan, J. Davey, P. Rastgoufard, J. Bian
{"title":"Costs and Unreliability Minimization of Transmission System Shield Wires","authors":"T. N. Kannan, J. Davey, P. Rastgoufard, J. Bian","doi":"10.1109/SSST.1992.712265","DOIUrl":"https://doi.org/10.1109/SSST.1992.712265","url":null,"abstract":"The purpose of this investigation is to improve the efficiency of the transmission lines by minimizing the current flowing through the shield wires which are utilized along the phase wires to protect them from lightning. The result of this investigation is presented by computation of currents coupled into the shield wires from balanced current flows in parallel three phase circuits and a computation of current flow in the shield wires during short circuit condition when the shield wires become a part of the ground return circuit. A computer package that evaluates the shield wire current for balanced three phase circuits is developed. Results for a specific vertically configured transmission system art presented in this paper.","PeriodicalId":359363,"journal":{"name":"The 24th Southeastern Symposium on and The 3rd Annual Symposium on Communications, Signal Processing Expert Systems, and ASIC VLSI Design System Theory","volume":"150 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"1992-03-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"123562521","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 1
Application of Singular Perturbations for Multi-Link Robot Arm Modeling and Control 奇异摄动在多连杆机械臂建模与控制中的应用
The 24th Southeastern Symposium on and The 3rd Annual Symposium on Communications, Signal Processing Expert Systems, and ASIC VLSI Design System Theory Pub Date : 1992-03-01 DOI: 10.1109/SSST.1992.712374
P. Chaturvedi, P. Rastgoufard
{"title":"Application of Singular Perturbations for Multi-Link Robot Arm Modeling and Control","authors":"P. Chaturvedi, P. Rastgoufard","doi":"10.1109/SSST.1992.712374","DOIUrl":"https://doi.org/10.1109/SSST.1992.712374","url":null,"abstract":"For large scale systems, separation of time-scales via singular perturbations method is utilized to reduce the order of the system. The order reduction is desired not only as a modeling tool but also for the design of suitable controllers. In this study, a robot arm is taken as a complex system whose time scales are to be separated to investigate its stability and control using singular perturbations method. A Lyapunou function is developed to study the stability of a one-link manipulator. The approach presented in this study is being extended for modeling, control and design of multi-link manipulators.","PeriodicalId":359363,"journal":{"name":"The 24th Southeastern Symposium on and The 3rd Annual Symposium on Communications, Signal Processing Expert Systems, and ASIC VLSI Design System Theory","volume":"12 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"1992-03-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"125008633","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
An Efficient Approach to Diagnosis of Wiring Interconnect Faults 一种有效的线路互连故障诊断方法
The 24th Southeastern Symposium on and The 3rd Annual Symposium on Communications, Signal Processing Expert Systems, and ASIC VLSI Design System Theory Pub Date : 1992-03-01 DOI: 10.1109/SSST.1992.712272
M. Melton, F. Brglez
{"title":"An Efficient Approach to Diagnosis of Wiring Interconnect Faults","authors":"M. Melton, F. Brglez","doi":"10.1109/SSST.1992.712272","DOIUrl":"https://doi.org/10.1109/SSST.1992.712272","url":null,"abstract":"This paper introduces a unified approach to automatic pattern generation for diagnosis of board-level wiring defects between modules both with and without boundary scan. The fault model for wiring defects includes bridging faults, stuck-at faults and open faults. We show that complete diagnosis of I/O faults can be achieved by considering single faults only rather than fault pairs and we have modified a traditional system that supports single stuck fault test generation to also perform pattern generation for complete diagnosis. Rather than building a fault dictionary from detection patterns, we introduce distinguishing functions, a fault diagnosis tree and heuristics to resolve signatures of faults so that they become unique or are proven equivalent. Experimental results with large benchmark circuits show that complete diagnosis for stuck-at as well as bridging I/O faults is possible. The number of patterns for complete diagnosis compares favorably with patterns required for first detection of single stuck-at faults only.","PeriodicalId":359363,"journal":{"name":"The 24th Southeastern Symposium on and The 3rd Annual Symposium on Communications, Signal Processing Expert Systems, and ASIC VLSI Design System Theory","volume":"80 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"1992-03-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"130190381","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
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