The significance of studying the electronic universal test machine

In recent years, the application of motor technology has been relatively mature, and servo control systems have become more and more popular among people, which makesElectronic test machineThe accuracy and complexity have been greatly improved. With the development of power electronics technology, this aspect of technology is often used in the test machine to perform system control, measurement and recording, which has greatly improved its overall performance. Currently, the test machine combines tensile, compression, bending and shearing to form the "electronic universal material testing machine". Therefore, the electronic universal material test machine uses a PC or a microcontroller to achieve closed-loop control, such as displacement control, speed control and stress control. During the test process, the acquisition card can be used to collect data from each sensor, and feedback it to the computer through certain operations to modify the control instructions to achieve more precise control. In addition, the sampled data can be received in real time during the test process and displayed in real time in graphical form, which is convenient for user comparison and more intuitive. With the continuous development of various related technologies, electronic universal material testing machines have attracted high attention and are constantly developing new technologies to be applied to them to obtain larger loads, higher accuracy and more complete functions.

In the field of materials, polymer materials based on polymer compounds are widely used in aerospace, medical research and national defense construction. Polymer materials are mainly composed of compounds with relatively high molecular weight, including rubber, plastic, fiber, coating, gelatin and polymer matrix composite materials. It has unique structure and properties, is easy to modify, easy to process, and has excellent functions that other materials are incomparable to excellent functions, and has become an indispensable material in all aspects of food, clothing, housing and transportation in modern social life. Therefore, under the current increasingly popular situation of the materials industry, it is of great significance to study electronic universal material testing machines for polymer material performance testing.

Since polymer materials have the characteristics of small stress loading range and complex objects, we designed an electronic universal material test machine to verify the feasibility of principle design and the applicability of control algorithms based on the implementation of certain functional requirements, load accuracy requirements and range requirements, and greatly reduce the volume of research equipment, reduce research costs, and pave the way and bridge the subsequent engineering applications.

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