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检索条件"主题词=Programmable Logic Controllers"
1815 条 记 录,以下是1531-1540 订阅
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programmable controllers stay current
Process Control News (for the Pulp and Paper Industries)
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Process Control News (for the Pulp and Paper Industries) 2000年 第11期20卷 2pp页
作者: Cleaveland, Peter
Distributed control systems and computer aided manufacturing are a few of the contemporary factory automation tools of today. programmable logic controller (PLC) manufacturers are offering both soft logic, and a choic... 详细信息
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Critical application of PLC control for gas transmission compressor station
ISA TECH/EXPO Technology Update Conference Proceedings
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ISA TECH/EXPO Technology Update Conference Proceedings 2000年 399卷 53-62页
作者: Kazimirsky, Mark Gaebler, George Pacific Gas & Electric Co Walnut Creek United States
The implementation of programmable logic controllers (PLC) based control system in a gas transmission pipeline by Delevan compressor station of Pacific gas and electric company is discussed. The station control system... 详细信息
来源: 评论
programmable logic controllers
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IEEE Potentials 1996年 第1期15卷 14-17页
作者: Erickson, Kelvin T. Univ of Missouri-Rolla Rolla United States
programmable logic controllers (PLCs) have a major role in assembly automation. They employ a novel language called ladder logic. The ladder logic was developed based on the relay ladder logic wiring diagram. Five cat... 详细信息
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Evaluation for use of programmable logic controllers for power plant boiler and balance-of-plant applications
Evaluation for use of programmable logic controllers for pow...
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Proceedings of the 1997 ISA TECH/EXPO Technology Update. Part 1/2 (of 5)
作者: Neher, Milton B. Central and South West Services Dallas United States
programmable logic Controller's (PLC's) have been utilized in Power Plant control for over two decades. Until recently this has been limited to discrete logic systems, and systems with a small regulatory requi... 详细信息
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Scheduling algorithm for programmable logic controllers with remote I/Os
Scheduling algorithm for programmable logic controllers with...
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Proceedings of the 1997 4th International Workshop on Real-Time Computing Systems and Applications, RTCSA
作者: Jeong, Seungkweon Kim, Young Shin Kwon, Wook Hyun Seoul Natl Univ Seoul Korea Republic of
In this paper, a scheduling algorithm is proposed for a programmable logic controller (PLC) with remote I/Os, assuming the multi-tasking facilities. Since sequence programs are executed on the application processor an... 详细信息
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Intelligent analogue detector based on PLC circuits
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Xiangtan Kuangye Xueyuan Xuebao/Journal of Xiangtan Mining Institute 2000年 第4期15卷 35-39页
作者: Liu, Zurun Fang, Xuehua Chen, Lixin Xiangtan Polytechnic Univ Xiangtan China
The intelligent analogue operation and fault detection for PLC logic circuits are implemented in expert system technology, and special circuits and their application are introduced in this paper. The designation resol... 详细信息
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Verification of logic controllers for continuous plants using timed condition event-system models
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AUTOMATICA 1999年 第3期35卷 505-518页
作者: Kowalewski, S Engell, S Preussig, J Stursberg, O Univ Dortmund Dept Chem Engn Proc Control Lab D-44221 Dortmund Germany
An approach to the formal verification of logic controllers for processes with switched continuous dynamics is presented. The method builds on modular, timed discrete event models of the plant and the controller. Subs... 详细信息
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Power line carrier systems for industrial control applications
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IEEE TRANSACTIONS ON POWER DELIVERY 1999年 第4期14卷 1191-1196页
作者: Newbury, JE Morris, KJ Open Univ Manchester M21 9UN Lancs England Elcontrol Ltd Weymouth DT4 9DW Dorset England
This paper addresses the potential applications of power-line-carrier (PLC) communications technology within the field of industrial plant/equipment control. The special needs and requirements for this application (in... 详细信息
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An open tool architecture for the formal verification of logic controllers in processing systems
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IFAC Proceedings Volumes 1999年 第2期32卷 4828-4833页
作者: S. Kowalewski N. Bauer J. Preuβig O. Stursberg H. Treseler Process Control Laboratory Department of Chemical Engineering University of Dortmund Address: CT-AST Universität D-44221 Dortmund Phone: +49 231 755-5128 Fax: -5129 Germany
A tool environment for the formal verification of logic controllers for switched continuous systems is presented. It supports a model-based verification approach which builds on different models of the controller and ... 详细信息
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The development of an automated continuous measurement system for the monitoring of HCHO and CH3CHO in the atmosphere by using an annular diffusion scrubber coupled to HPLC
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FRESENIUS JOURNAL OF ANALYTICAL CHEMISTRY 1999年 第7期363卷 686-695页
作者: Komazaki, Y Hiratsuka, M Narita, Y Tanaka, S Fujita, T Keio Univ Fac Sci & Technol Dept Appl Chem Kohoku Ku Yokohama Kanagawa 2238522 Japan Shimadzu Co Ltd HPLC Business Dept Kanagawa 2591304 Japan
An automated continuous measurement system for the monitoring of formaldehyde (HCHO) and acetaldehyde (CH3CHO) in the urban atmosphere was developed by using an annular diffusion scrubber in conjunction with a high-pe... 详细信息
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