On Instrumentation and automation control system status – Automation, instrumentation and control systems – electrical industry
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1, automation and control system basic status
Into the 21st century, the rapid development of China's manufacturing sector, pulling on automated instrumentation and control system requirements, our new large scale projects on automated instrumentation and control systems with the advanced level has been the world leader. Current traditional manufacturing industries in developed countries has been a glorious period of ancillary automation naturally slow growth. Automation Instrumentation development hot issues in emerging markets, the price of attack of instruments from two manufacturers, one in emerging markets on the price sensitivity of customers is high; Second, there can often find very cheap substitute, it would be difficult to stimulate the development of new multinational companies to spend large cost instrumentation.
The past 10 years the importance of automation technology in the field?? Fieldbus Although technology has made remarkable achievements, but also in applications in general replace analog transmission line in the stage. Fieldbus standard practice not only signal a change, it is for the control of information technology provide the basis. Users of the underlying information system (control, diagnosis, management) needs reform is the original field bus technology to promote motivation. Fieldbus devices in recent years in asset management, forecasting and other aspects of diagnosis and the potential for smooth operation began to be dug up, revealing a very promising trend.
But based on field bus technology, network control and distributed intelligence technology only to the present, whether in theory or in practice, none of any significant breakthrough: the field bus speed bottleneck is in the complex aspects of control and fast response Sometimes not as good as the traditional instruments: multi-year struggle between the fieldbus manufacturers have in no winner, and also allows ordinary users to feel tired, have greatly depleted the resources of the enterprise development.
Automation products reflect international trends in several important window: to ISAEXPO, Miconix as the representatives of the international instrument exhibition, Readers'ChoiceAward (Reader's Choice Award) awards represented. Nearly 3 years from the Reader's Choice Prize, award-winning small change. This year the focus of the development of automated instrumentation for applications in instrumentation.
Change in this trend is natural, digital, intelligent instruments and systems through the development of nearly 10 years to tell, in the application of accumulated problems, intelligent instrument design features many innovations have not been fully applied . The main problems are the following.
(1) digital meter and system information privacy and security issues
(2) micro-programs and software reliability problems.
(3) Communicate Confidentiality, security and reliability issues.
(4) smart meters in the run-time control system can interact with and how to interact.
(5) Smart meters provide more information than analog devices and how to make full use of the information.
(6) number of smart meter interoperability problems.
(7) instrumentation and system fault diagnosis and troubleshooting information interoperability problems.
These problems are due to digitalization and network generated, not the current technology can not solve these problems, but too many alternative solutions, and unified solution is the most effective. And how uniform is currently being studied.
Although the introduction of new products, automation slowed down, but the history of technology automation continuous, instrument manufacturers to develop new technologies in recent years not enthusiastic, but the instrument user enthusiasm for the development of automation technology more and more.
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