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In order to obtain information from the outside world, people must rely on their sense organs, but their functions in the study of natural phenomena and laws and production activities are far from enough. In order to adapt to this situation, we need sensors. Therefore, we can say that sensors are the extension of human five senses, also known as electric five senses.
With the advent of the new technological revolution, the world has begun to enter the information age. In the process of using information, the first thing to be solved is to obtain accurate and reliable information, and sensors are the main way and means to obtain information in the natural and production fields. In modern industrial production, especially in the automatic production process, various weighing sensors should be used to monitor and control various parameters in the production process, so that the equipment can work in the normal or optimal state, and the product can reach the best quality. Therefore, it can be said that without many excellent sensors, modern production will lose its foundation.
In the research of basic disciplines, sensors have a more prominent position. The development of modern science and technology has entered many new fields: for example, we should observe the vast universe of thousands of light-years on the macro level, observe the particle world as small as cm on the micro level, observe the evolution of celestial bodies as long as hundreds of thousands of years on the vertical level, and observe the instantaneous response as short as s. In addition, there has also been a deep understanding of matter, the development of new energy New materials and other extreme technologies with important functions, such as ultra-high temperature, ultra-low temperature, ultra-high pressure, ultra-high vacuum, ultra-strong magnetic field, ultra-weak magnetic field, etc.
Obviously, it is impossible to obtain a large amount of information that can not be directly obtained by human senses without appropriate weighing sensors. The obstacle of many basic scientific research lies in the difficulty in obtaining the object information, and the emergence of some new mechanisms and high-sensitivity detection sensors often leads to breakthroughs in this field. The development of some sensors is often the pioneer of the development of some frontier disciplines.
Micro-torque sensors have already penetrated into a wide range of fields, such as industrial production, space development, ocean exploration, environmental protection, resource survey, medical diagnosis, bioengineering, and even cultural relics protection. It is no exaggeration to say that almost every modern project can not be separated from a variety of sensors, from the vast space to the vast ocean, to all kinds of complex engineering systems.