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EPSON MEMS Gyro is also called the MEMS sensor

  • Mar 21,2024
  • 194 VIEWS

 MEMS gyroscope is also known as MEMS sensor. The core of MEMS gyroscope is a micromachining mechanical unit, which is designed to resonate according to a sound fork mechanism, and convert the angular rate into the displacement of a specific sensing structure through the principle of Coriolis force. Taking a uniaxial offset (Yaw, YAW) gyroscope as an example, the simple working principle is discussed through the diagram and benefit. Fiber optic gyroscope (FOG), formerly a low-cost alternative to other technologies such as the ring laser gyroscope (RLG), now faces new competition from self-Epson high-precision gyroscopes. The MEMS gyroscope began to grab market share from traditional FOG applications. Specifically, antenna array stability, agricultural machinery control, and conventional vehicle navigation have become the battleground for the confrontation between MEMS and FOG. MEMS gyroscope applications can range from early automotive electronics to consumer electronics in recent years, and to the coming Internet of Things era. Nowadays, a single sensor can no longer meet people's needs for functions and intelligence. For example, including MEMS inertial sensors, MEMS environment sensors, MEMS optical sensors, and even biological sensors, various sensor data fusion will become the trend of sensor applications in the new era.

 MEMS gyroscope and FOG fiber gyroscope are very close from the performance parameters, especially the new EPSON launched MG365, MG370 and other series parameters have reached the FOG tactical performance level, but its cost is several times lower than it. If the GNSS can be used and the application is intended to operate in an open sky environment, the MEMS gyroscope can replace the FOG fiber optic gyroscope. If the application can receive the vehicle or platform speed updates, the Epson MEMS gyroscope system can reach the same level as the stand-alone FOG system. This will quickly accelerate the adoption of six-axis gyroscopes in areas such as autonomous driving vehicles.

EPSON MEMS Gyro is a high-precision angular velocity sensor based on microelectromechanical system (MEMS) technology, which plays a vital role in modern electronic devices. EPSON's MEMS gyroscope uses advanced micromachining technology to achieve extremely high sensitivity and stability, making it a wide range of applications in various application fields.

 EPSON MEMS The core of the gyroscope is a micro-machining mechanical unit, which is designed to adopt the way of sound and mechanism resonance movement. This design not only improves the sensitivity of the gyroscope, but also makes it smaller and higher performance. With the further maturity of micromachining technology, the zero bias stability of MEMS gyroscope has reached the order of 0.1° / h. 2 This progress marks the leading position of EPSON in the field of MEMS gyroscope.

EPSON M-G370 / M-G365 are two high-performance MEMS six-axis gyroscopes, which not only reach the performance of the ray gyroscope (FOG) level, but also easy to install, support various applications, and have a new state angle output function. This shows that EPSON's MEMS gyroscope is not only a breakthrough in accuracy, but also optimized in user experience.

 Block diagram of EPSON six-axis gyroscope M-G370 test environment construction

In addition, EPSON has developed QMEMS technology, a patented technology that places quartz in an AC electric field. With this technology, EPSON can produce small, highly sensitive gyroscope sensors. The application of this technology makes EPSON's MEMS gyroscope widely used in consumer electronics and smartphones.

 In conclusion, EPSON's MEMS gyroscope has been widely recognized and applied worldwide with its high precision, high performance, and good user experience. EPSON's MEMS gyroscope in both the military, aerospace and consumer electronics sectors has shown its irreplaceable value. With the continuous technological progress and innovation, EPSON's MEMS gyroscope will undoubtedly continue to play an important role in the future technological development: