Small mass and volume, low emission mass.
Low power consumption – most devices are electrically static.
Small thermal constant – lower power can be used to maintain temperature.
Vibration-, shock- and radiation-resistant mechanisms – such as switches can be radiation-hardened, and low inertial mass makes MEMS shock/shock-resistant.
High integration – a variety of functions are integrated on one chip, which greatly simplifies the structure of the system.
Low cost of mass manufacturing – mass production.
The various applications of MEMS technology in the aerospace field are actually mostly based on the shape and position of the sensor. Here we analyze the application of MEMS technology from the sensor point of view.
There are five main uses of MEMS sensors:
① Provide working information about the spacecraft and play the role of fault diagnosis;
② Judging the coordination of work among the sub-systems, and verifying the design scheme;
③ Provide the information required for the system-wide self-inspection and provide the basis for the commander to make decisions;
④ Provide the internal testing parameters of each subsystem and the whole machine to verify the correctness of the design.
⑤ Monitor the internal and external environment of the aircraft, provide necessary living conditions for pilots and astronauts, and ensure normal flight parameters.

The MEMS gyroscope specailly designed for air navigation: https://www.ericcointernational.com/gyroscope/mems-gyroscope/er-mg2-300-navigation-mems-gyro.html
Read the reference: https://www.ericcointernational.com/info/advantages-of-mems-technology-in-aerospace-applications.html

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