CFMETNC

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CFMETNC, short for Compressed Frequency Modulated Excitation Technique with Non-Contact is a kind of technique used to measure small, linear displacements with non-contact. It has been used widely, such as in automotive research, aircraft production, aerospace development, and military applications. This article aims to explain the application field and working principle of CFMETNC.

CFMETNC has been applied to both industrial and research areas. In industrial production, CFMETNC provides precision measurements of the precise parts in engines, which is required to improve product design and production efficiency. In automotive research and development, CFMETNC used for monitoring the displacement and vibration of mechanical parts in cars as it has the ability to measure the speed and acceleration accurately. It also provides stability and safety during the driving. Furthermore, it can be used to measure dynamic properties for large-scale aircraft or spacecraft components. Moreover, with its accuracy and non-contact method, CFMETNC is an ideal measurement tool for measuring the dynamics of aircraft in military applications.

The working principle of CFMETNC is based on the principle of modulated frequency excitation. This process starts by sending a frequency-modulated signal to the sensing element, which is in the form of a piezo-electric mechanical transducer. The frequency of the signal is modulated to cause the sensing element to vibrate, which causes the vibration to spread through the material structure. The vibration is then detected by the receiving unit, which is able to measure the resonance frequency and amplitude. The difference between the received frequency and the transmitted signal is then used to indicate the displacement of the sensing element and can be used to determine the size of the displacement.

In conclusion, CFMETNC is an efficient technique in measuring small linear displacement with non-contact, and it has been widely used in many fields such as automotive research, aircraft production, aerospace development and military application. The working principle of CFMETNC is based on modulated frequency excitation. It starts by sending a frequency-modulated signal to the sensing element, which is then detected by the receiving unit, and the difference between the received frequency and the transmitted signal is used to indicate the displacement of the sensing element.

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