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Southcon/96 Conference Record最新文献

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STADIUM: a new tool for design for manufacturability through the use of statistical simulation STADIUM:通过使用统计模拟来设计可制造性的新工具
Southcon/96 Conference Record Pub Date : 1996-06-25 DOI: 10.1109/SOUTHC.1996.535120
T. Sanders, D. P. Means, G. T. Hess
{"title":"STADIUM: a new tool for design for manufacturability through the use of statistical simulation","authors":"T. Sanders, D. P. Means, G. T. Hess","doi":"10.1109/SOUTHC.1996.535120","DOIUrl":"https://doi.org/10.1109/SOUTHC.1996.535120","url":null,"abstract":"Engineers have used simulation for product design for a number of years but only recently have the tools been in existence to aim new designs for manufacturability. This paper concentrates on coupling practical optimization techniques (based on a design of experiments methodology) to conventional simulators for the purpose of characterizing component and system performance in terms of manufacturing variables. This is accomplished with the aid of a software tool called STADIUM which is described in detail.","PeriodicalId":199600,"journal":{"name":"Southcon/96 Conference Record","volume":"64 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"1996-06-25","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"116780081","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
System level optimization through the use of statistical simulation 系统级优化通过使用统计仿真
Southcon/96 Conference Record Pub Date : 1996-06-25 DOI: 10.1109/SOUTHC.1996.535119
R. Cofer, T. Sanders, D. P. Means
{"title":"System level optimization through the use of statistical simulation","authors":"R. Cofer, T. Sanders, D. P. Means","doi":"10.1109/SOUTHC.1996.535119","DOIUrl":"https://doi.org/10.1109/SOUTHC.1996.535119","url":null,"abstract":"A critical issue in the optimization of systems is that of the design of the part, component or system for manufacture. The system engineering function typically finds an acceptable but theoretical design solution with little up-front attention being paid to the \"real-world\" effects caused by manufacturing and operational variabilities. Alternatively when system design attention is paid to such variabilities, it is usually via a \"worst-case\" design process which can only further complicate the manufacturing process and raise costs. To be truly effective in the near future of small-lot flexible system manufacturing, systems engineering must not only optimize against the effects of changing manufacturing variabilities, but the overall systems design and manufacturing processes must be woven more closely together so as to permit routine first pass success. As a result of the above issues, the importance of running early statistically based system level design simulations has become particularly critical in this period of increasingly flexible manufacturing processes, defense conversions and dual-use technologies.","PeriodicalId":199600,"journal":{"name":"Southcon/96 Conference Record","volume":"158 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"1996-06-25","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"133645242","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
Contract manufacturing: solutions for the 21st century 合同制造:21世纪的解决方案
Southcon/96 Conference Record Pub Date : 1996-06-25 DOI: 10.1109/SOUTHC.1996.535138
B. Schwamberger, M. Narayanan
{"title":"Contract manufacturing: solutions for the 21st century","authors":"B. Schwamberger, M. Narayanan","doi":"10.1109/SOUTHC.1996.535138","DOIUrl":"https://doi.org/10.1109/SOUTHC.1996.535138","url":null,"abstract":"Manufacturing companies in the twenty-first century will have a wide variety of tools and a strong background of technological innovations at their disposal. For example, faster and more powerful computers with a wider range of use are becoming prevalent in the manufacturing environment. Computer numerical control, robotics, lasers, vision systems, rapid prototyping, ASICs, fuzzy logic, neural networks, virtual reality, artificial intelligence, and expert systems are only a few of the ways that computers are revolutionizing the modern manufacturing company. However, these technologies are not cheap, nor are they easily utilized and controlled. This leads to great opportunities in the area of contract manufacturing. Contract manufacturing in the context of this paper is viewed from an engineering perspective. The paper discusses some of the principles of contract manufacturing along with some examples of areas where contract manufacturing can be effective.","PeriodicalId":199600,"journal":{"name":"Southcon/96 Conference Record","volume":"130 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"1996-06-25","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"134157704","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
The RISC MPC505 MCU in cable set top converters 有线机顶盒转换器中的RISC MPC505单片机
Southcon/96 Conference Record Pub Date : 1996-06-25 DOI: 10.1109/SOUTHC.1996.535137
C. Melear
{"title":"The RISC MPC505 MCU in cable set top converters","authors":"C. Melear","doi":"10.1109/SOUTHC.1996.535137","DOIUrl":"https://doi.org/10.1109/SOUTHC.1996.535137","url":null,"abstract":"Cable set top converters are taking on an increased computational role in the distribution of cable television signals. The MPC505 processor implements a very advanced controller that can deliver new levels of performance in a microcontroller chip. These new levels of performance are required in such applications as automotive engine control where there are many timing functions to be performed with very critical timing windows. The modularity of the device allows code written for a module on one processor to execute on any of the MPC500 family processors that contain the same module. The MPC500 instruction set is fully PowerPC/sup TM/ compliant. These features insure reusability of code and forward compatibility of code with future members of the MPC500 family. The ability to run at low voltages, processing speed and high levels of integration of the MPC505 along with the advantages of very high volume production combine to make this processor family a very powerful, economical MCU engine for embedded designs.","PeriodicalId":199600,"journal":{"name":"Southcon/96 Conference Record","volume":"88 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"1996-06-25","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"134419759","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
Digital control for embedded applications 嵌入式应用的数字控制
Southcon/96 Conference Record Pub Date : 1996-06-25 DOI: 10.1109/SOUTHC.1996.535036
R. Leach
{"title":"Digital control for embedded applications","authors":"R. Leach","doi":"10.1109/SOUTHC.1996.535036","DOIUrl":"https://doi.org/10.1109/SOUTHC.1996.535036","url":null,"abstract":"With the reduction of the cost and increase in performance of digital microprocessors, many system designers are performing both system control and signal processing with the same microcontroller. The author presents the PowerPC Architecture/sup TM/ which has many implementations with different pipeline depths, number of execution units, instruction timings, and instruction issue rates and protocols. The Power Architecture has two instruction classes: a floating point multiply-add instruction and a load/store with update. Examples are given using the MPC505, MPC602, MPC603, MPC604, MPC821, and MPC860 microprocessors.","PeriodicalId":199600,"journal":{"name":"Southcon/96 Conference Record","volume":"53 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"1996-06-25","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"114295930","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
Dynamic modeling of parallel connected DC to DC converters using Weinberg topologies 使用Weinberg拓扑的并联DC到DC转换器的动态建模
Southcon/96 Conference Record Pub Date : 1996-06-25 DOI: 10.1109/SOUTHC.1996.535132
S. Hawasly, Z. Moussaoui, P. Kornetzky, I. Batarseh, H. Lee, C. Kennedy
{"title":"Dynamic modeling of parallel connected DC to DC converters using Weinberg topologies","authors":"S. Hawasly, Z. Moussaoui, P. Kornetzky, I. Batarseh, H. Lee, C. Kennedy","doi":"10.1109/SOUTHC.1996.535132","DOIUrl":"https://doi.org/10.1109/SOUTHC.1996.535132","url":null,"abstract":"In this paper, the authors present a dynamic modeling technique for a parallel connected DC-to-DC power converter unit (DDCU) using the improved Weinberg topology. The state-space averaging approach, used previously for the single stage converter, is used here for the modeling of two parallel connected Weinberg converters. The closed-loop controller design is based on the average current sharing method used in distributed power systems. This model can be used to obtain the closed-loop frequency response and transient responses for load currents and output voltage. Based on a specific design example, a PSPICE simulation for a two-parallel Weinberg converters is presented.","PeriodicalId":199600,"journal":{"name":"Southcon/96 Conference Record","volume":"69 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"1996-06-25","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"114827118","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: 6
Analysis and design of a boost derived DC-to-AC inverter 升压型直流-交流逆变器的分析与设计
Southcon/96 Conference Record Pub Date : 1996-06-25 DOI: 10.1109/SOUTHC.1996.535131
A. Khan, P. Kornetzky, L. Batarseh
{"title":"Analysis and design of a boost derived DC-to-AC inverter","authors":"A. Khan, P. Kornetzky, L. Batarseh","doi":"10.1109/SOUTHC.1996.535131","DOIUrl":"https://doi.org/10.1109/SOUTHC.1996.535131","url":null,"abstract":"In this paper, we present a simplified steady state analysis and design for a DC-to-AC inverter with zero-voltage-switching (ZVS) and output isolation. It is a current-fed converter having variable frequency control to obtain a symmetrical regulated AC output. Two switches operating in complementary fashion to control the operation of the converter and provide transformer core resetting. The resonance between the parasitic capacitances, transformer magnetizing inductance, and output side inductor allows ZVS for both switches reducing switching losses. The output has an LCC resonant tank circuit that controls the output power flow, and sets frequency of the output AC voltage. Using simplified steady state analysis, input and output characteristic curves are derived for different transformer ratios. Based on these curves, a design procedure with a specific example supported by simulation results is presented.","PeriodicalId":199600,"journal":{"name":"Southcon/96 Conference Record","volume":"66 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"1996-06-25","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"123171989","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
Current efforts in revitalizing electric power engineering at the University of Central Florida 中佛罗里达大学正在努力振兴电力工程
Southcon/96 Conference Record Pub Date : 1996-06-25 DOI: 10.1109/SOUTHC.1996.535071
A.J. Gonzalez, I. Batarseh, Z. Qu
{"title":"Current efforts in revitalizing electric power engineering at the University of Central Florida","authors":"A.J. Gonzalez, I. Batarseh, Z. Qu","doi":"10.1109/SOUTHC.1996.535071","DOIUrl":"https://doi.org/10.1109/SOUTHC.1996.535071","url":null,"abstract":"The end of the cold war presents us with the challenge to modernize engineering curricula so as to better address the needs and issues arising from the increasingly competitive global economy. In the Department of Electrical and Computer Engineering at the University of Central Florida (USA), efforts are underway to revitalize and modernize the academic program in electric power engineering. This paper describes these efforts. The goal is to provide students interested in these fields with a broad and deep set of course offerings that will allow them to build a strong foundation in the theory, design, devices and instrumentation issues pertinent to these areas.","PeriodicalId":199600,"journal":{"name":"Southcon/96 Conference Record","volume":"1 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"1996-06-25","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"123581370","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
A methodology for the identification of fuzzy parameters to evaluate fidelity in distributed interactive simulation 分布式交互仿真中评估逼真度的模糊参数辨识方法
Southcon/96 Conference Record Pub Date : 1996-06-25 DOI: 10.1109/SOUTHC.1996.535088
Pamela McCauley Bell
{"title":"A methodology for the identification of fuzzy parameters to evaluate fidelity in distributed interactive simulation","authors":"Pamela McCauley Bell","doi":"10.1109/SOUTHC.1996.535088","DOIUrl":"https://doi.org/10.1109/SOUTHC.1996.535088","url":null,"abstract":"This research provides the methodology for the development of fidelity measures in interactive systems. The methodology, still very much in the developmental stages, uses the fidelity description requirement taxonomy as a starting point and applies fuzzy set theory to qualify and quantify the relationship between simulation environments and referents. A general explanation of the methodology and a partial example are provided.","PeriodicalId":199600,"journal":{"name":"Southcon/96 Conference Record","volume":"46 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"1996-06-25","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"125397186","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
Bus industry changing to electric 公共汽车行业转向电动化
Southcon/96 Conference Record Pub Date : 1996-06-25 DOI: 10.1109/SOUTHC.1996.535080
L.J. Ferguson
{"title":"Bus industry changing to electric","authors":"L.J. Ferguson","doi":"10.1109/SOUTHC.1996.535080","DOIUrl":"https://doi.org/10.1109/SOUTHC.1996.535080","url":null,"abstract":"Summary form only given. The Advanced Vehicle Systems, Inc. (AVS) twenty-two-foot battery powered electric bus is a high quality shuttle vehicle produced in Chattanooga, Tennessee. The vehicle's evolution comes from over three years proving out experience in a 3 mile circulator route operated by the Chattanooga Area Regional Transit Authority (CARTA) in the core downtown area of Chattanooga. The bus is purpose built even to the point of AVS constructing its own monocoque chassis in-house to produce a strong, but lighter weight vehicle than the conventional diesel bus. The bus is driven by a 100 HP alternating current induction motor through a rear differential axle. Power to drive the motor comes from on board lead-acid batteries which are highly recyclable upon completion of their useful life. The monocoque construction allows AVS to produce a low floored ease-of-entry vehicle with step height of approximately twelve inches, making it very user-friendly, especially to senior citizens and children. Complementing the low floor is a built-in wheelchair ramp which is virtually maintenance-free. The air ride suspension capability built into the bus of \"kneeling\" the front axle allows disabled passengers to board the bus very easily.","PeriodicalId":199600,"journal":{"name":"Southcon/96 Conference Record","volume":"1 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"1996-06-25","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"130174641","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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