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Key technologies for the development of modern instruments and meters in China
Author：adminView：3852
With the development of international instruments and meters, the development of instrument and meter in China is analyzed. The key technology of modern instrument development is analyzed.
①Sensor technology
Sensing technology is not only the basis for instrumentation to achieve detection, it is also the basis for instrumentation control. This is not only because the control must be based on the input information, but also because of the accuracy and state of the control, must be aware of, otherwise the control of the control effect is still blind control.
In general, sensing technology must be aware of three aspects of information, which are the state and information of the objective world, the state and information of the measurement and control system, and the state information and manipulation instructions that operators need to understand. We should pay attention to the objective world is endless, the perception of the objective world is mainly focused on the objective environment related to the target (referred to as the target environment), and the environmental information outside the established target environment can be collected by other methods. The measurement and control system can be a simple object or a single sample, and can be a complex unmanned automatic control system. It can be a large automatic system or social activity system, which can be operated by people (groups). It can also be a human body. The sensing technology based on human health, physiology and psychology is the basis and core of medical diagnosis and treatment instruments. Operators can be a single person, but in the system, networking, often under different positions of the operator group.
In narrow sense, sensing technology is mainly to detect the useful information of the objective world, it is useful to include measurement of sensitive technology, relates to the work principle, subject, new materials and other remote sensing technology; information fusion technology, including sensor distribution, weak signal extraction (enhancement), sensor information fusion, imaging sensor manufacturing technology; relates to the micro processing, bio chip, new technology.
②System integration technology
System integration technology directly affects the instrumentation and measurement control technology application scope and level, especially have a decisive impact on the degree of automation and efficiency of large equipment, big project and system, it is the system level information fusion control technology, including system analysis and modeling technology, physical layer configuration technology each part of information communication system, conversion technology, application layer control strategy implementation technology. In the operating personnel for a variety of different positions of the operating group, but also includes the needs analysis of operators at all levels of technology.
③Intelligent control technology
Intelligent control technology is the best way to approach the human, through the measurement and control system to achieve the stated goal of the best technology of intelligent monitoring tools, equipment, systems, is directly related to the benefits of play and control system technology is the key of development from information technology to knowledge economy technology. Intelligent control technology can be regarded as the most important and critical software resource in measurement and control system. From the current development trend, in the enterprise information ERP/MES/PCS three level structure of computer measurement and control system, the software price has exceeded the hardware 3 times. In the petrochemical, metallurgical, power, pharmaceutical industry automation control system advanced control software price exceeds the system hardware price. Intelligent control technology includes humanoid feature extraction technology, automatic target identification technology, self-learning technology of knowledge, adaptive technology of environment, the best decision-making technology, etc..
