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检索条件"主题词=Programmable Logic Controllers"
1815 条 记 录,以下是1641-1650 订阅
排序:
To PLC or not to PLC
Power Transmission Design
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Power Transmission Design 1997年 第7期39卷 33-35页
作者: Langnau, Leslie
programmable logic controllers (PLC) manufacturers continue to make their products smaller, smarter, and more open, while others introduce alternative control products and systems. Microprocessors facilitate the unbun... 详细信息
来源: 评论
Microcontroller-based programmable temperature controller
IECON Proceedings (Industrial Electronics Conference)
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IECON Proceedings (Industrial Electronics Conference) 1997年 1卷 155-158页
作者: Kaliyugavaradan, S. Anna Univ Madras India
A microcontroller-based programmable temperature controller developed using an RTD sensor is described. A resistance-to-time converter is employed to obtain a time-interval linearly varying with the sensor resistance.... 详细信息
来源: 评论
Area-efficient implementation of self-testing embedded programmable logic arrays
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Microcomputer Applications 1997年 第3期16卷 118-121页
作者: Macii, E. Wolf, T. Politecnico di Torino Torino Italy
programmable logic arrays (PLAs) are widely used in VLSI systems because of their compactness, ease of automatic design, and regularity in their structure. This paper presents an innovative method for on-chip testing ... 详细信息
来源: 评论
Users' demand narrow PLC-DCS gap
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InTech 1997年 第2期44卷 36-40页
作者: La Fauci, Joseph Merck & Co Inc United States
The demand and current trends for open systems and information continue to grow. Users are tired of restrictions imposed on them with priority protocols, hardware and software. Manufacturers hear the call to develop l... 详细信息
来源: 评论
Application of programmable controller to the plasma spraying equipment
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Xi'an Shiyou Xueyuan Xuebao/Journal of Xi'an Petroleum Institute (Natural Science Edition) 1997年 第2期12卷 39-42页
作者: Lu, Yan-ling Xi'an Petroleum Inst Xi'an China
The technological process of plasma spraying is complicated and there are many switches to be controlled. The present existing plasma spraying system is not reliable and liable to troubles. The paper introduces a prog... 详细信息
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MODELING programmable logic controllers FOR logic VERIFICATION
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IEEE CONTROL SYSTEMS MAGAZINE 1994年 第2期14卷 53-59页
作者: MOON, I Dept. of Chem. Eng. Yonsei Univ. Seoul
Verification method has been developed for determining the safety and operability of programmable logic controller (PLC) based systems. The method automatically checks sequential logic embedded in PLCs and provides co... 详细信息
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STUDY OF EMC PROBLEMS ON PRO(;RAMMABLE logic controllers
STUDY OF EMC PROBLEMS ON PRO(;RAMMABLE LOGIC CONTROLLERS
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1996 ROMA International Symposium on Electromagnetic Compatibility, EMC 1996
作者: Galdi, V. Ippolito, L. Piccolo, A. Villacci, D. Dip.to di Ingegneria dell'Informazione ed Ingegneria Elettrica Universita di Salerno Via Ponte don Melillo 1 SA FiscianoI-84084 Italy Dip.to di Ingegneria Industriale Universita di Cassino Via G. Di Biasio 43 FR Cassino1-03043 Italy
The paper after a briefly discussion on the effects of some voltage disturbances, as sags, interruptions, and swells, both on programmable logic ControIJers (PLCs) and on the entire industrial process under the contro... 详细信息
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Conversion of Petri nets controllers for manufacturing systems into ladder logic diagrams
Conversion of Petri nets controllers for manufacturing syste...
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Proceedings of the 1996 IEEE Conference on Emerging Technologies and Factory Automation, ETFA'96. Part 2 (of 2)
作者: Uzam, M. Jones, A.H. Ajlouni, N. Univ of Salford Salford United Kingdom
As automated manufacturing systems become more complex, the need for an effective design tool to produce both high level Discrete Event Control System (DECS) and low level implementation, becomes increasingly more imp... 详细信息
来源: 评论
Spread spectrum data leap through ac power wiring
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IEEE SPECTRUM 1996年 第11期33卷 48-53页
作者: Radford, D Intellon Corp Ocala CA USA
Reports on power-line carrier (PLC) communication through alternating current (ac) power lines. Serious impediments to its growth and their solutions; Chief application and example of spread-spectrum PLC communication... 详细信息
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Plastic instability in an omega forming Ti-15% Mo alloy
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ACTA MATERIALIA 1996年 第9期44卷 3667-3677页
作者: Banerjee, S Naik, UM Metallurgy Division Bhabha Atomic Research Centre Bombay 400 085 India
The plastic flow behaviour of a beta-titanium alloy (Ti-15% Mo) was investigated over a wide range of temperatures and strain rates covering those conditions where the omega-phase forms dynamically. Portevin-Le Chatel... 详细信息
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