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检索条件"主题词=Programmable Logic Controllers"
1815 条 记 录,以下是1791-1800 订阅
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SIL rating fire protection equipment  03
SIL rating fire protection equipment
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Australian Workshop on Safety Critical Systems and Software
作者: Richard M. Robinson Kevin J. Anderson Risk &amp Reliability Associates Pty Ltd Melbourne Australia
SIL's (Safety Integrity Levels) are used by IEC 61508:1998 [1] to characterise the required functional safety of computer control systems. For example, SIL 4, the highest rating is for fly by wire aircraft and wea... 详细信息
来源: 评论
Assessment of platelet indices in patients with neurodegenerative diseases: Mean platelet volume was increased in patients with Parkinson's disease
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Current Gerontology and Geriatrics Research 2013年 第unknown期2013卷 986254页
作者: Koçer, Abdulkadir Yaman, Asli Niftaliyev, Elvin Dürüyen, Hümeyra Eryilmaz, Mehmet Koçer, Emel Medical Faculty Istanbul Medeniyet University Istanbul Turkey Düzce University Düzce Turkey Bezmialem Vakif University Istanbul Turkey
Platelets induce chronic inflammation which is a key step in atherosclerosis and may be involved in the progression of neurodegenerative diseases (NDD). We aimed to measure the mean platelet volume (MPV) and platelet ... 详细信息
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Application of CPLD and 16C554 in UAV flight control computer
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Dongnan Daxue Xuebao (Ziran Kexue Ban)/Journal of Southeast University (Natural Science Edition) 2004年 第SUPPL.期34卷 195-198页
作者: Dai, Jun Yang, Zhong Shen, Chunlin Coll. of Automat. Eng. Nanjing Univ. of Aero. and Astron. Nanjing 210016 China
A new DSP-based design of flight control computer (FCC) hardware system is presented according to the design principle of high performance and miniaturization. Using the TMS320LF240x DSP as the core processor, a compl... 详细信息
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Realize the exact position control of axle using PLC pulse output and high speed count function
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Shenyang Jianzhu Daxue Xuebao (Ziran Kexue Ban)/Journal of Shenyang Jianzhu University (Natural Science) 2006年 第1期22卷 168-172页
作者: Wang, Jian-Ping Jing, Xin Robotics Institute Shanghai Jiaotong University Shanghai 200030 China School of Science Shenyang Jianzhu University Shenyang 110168 China
The control of accurate axle position is discussed in this paper. The pulse output function and highspeed count function of PLC (programmable logical Controller) are used to realize the purpose of the study. The main ... 详细信息
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Algorithm for tuning PID parameters based on satisfactory degree
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Huanan Ligong Daxue Xuebao/Journal of South China University of Technology (Natural Science) 2005年 第2期33卷 39-42页
作者: Wu, Xiao-Chao Wu, Jie Li, Quan-Guo Coll. of Elec. Power South China Univ. of Technol. Guangzhou 510640 China
A controller for the on-line tuning of PID (Proportional-Integral-Derivative) parameters based on the satisfactory degree and genetic algorithm is proposed. With the theory of satisfactory solution, the satisfactory f... 详细信息
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Position control with programmable logic controller
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Shanghai Jiaotong Daxue Xuebao/Journal of Shanghai Jiaotong University 2002年 第4期36卷 491-493页
作者: Liu, Ya-Dong Li, Cong-Xin Wang, De-Cai Guo, Xin-Gui Gu, Xue-Jun Gao, Zhi-Qin Dept. of Plasticity Forming Eng. Shanghai Jiaotong Univ. Shanghai 200030 China
A new method for position control of motor was discussed, in which PLC is used as controller, RS485 is used for motor driver port and high-speed-counter is used for feedback. The method for the tuning parameters of po... 详细信息
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Research and implementation of PC' s connecting to network based on MMS
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Jisuanji Jicheng Zhizao Xitong/Computer Integrated Manufacturing Systems, CIMS 1996年 第1期2卷 15-21页
作者: Dong, Junjie Peng, Peizhen Wu, Jieyi Southeast Univ Nanjing China
This paper presents an introduction of the MMS protocol, especially the description of the VMD model, in the application layer of MAP 3.0. The strategy of PC's connecting to network the mapping of PC/PC functions ... 详细信息
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Research on an integrated and programmable sampling and coding technique
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Yingyong Jichu yu Gongcheng Kexue Xuebao/Journal of Basic Science and Engineering 2005年 第SUPPL.期13卷 115-119页
作者: Liu, Wenyi Laboratory of Instrumentation Science and Dynamic Measurement North University of China Taiyuan 030051 China
The article introduces a closely-designed programmable sample and coding set according to the sampling and coding technique employed in the testing of spacecrafts. And it gives a detailed introduction to the critical ... 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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Increase of PLC Computability with Neural Network for Recovery of Faults in Electrical Distribution Substation
Increase of PLC Computability with Neural Network for Recove...
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IEEE International Instrumentation and Measurement Technology Conference
作者: Joao V. Fonseca Ernesto F. M. Ferreira Laboratory of Embedded Systems and Smart Control University Federal of Maranhao Maranhao Sao Luis ***
Due to the increasing in technological development and modernization of industrial process, control techniques to address high performance are being developed. These not only solve new problems in more complicated pla... 详细信息
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