In north-seeking navigation technology, inertial north-seeking technology is not subject to external interference and can independently complete the north-seeking task. However, high-precision and high-performance inertial components are usually extremely expensive. The micromechanical north seeker is a high-tech product and one of the particularly important branches in the field of contemporary micromechanical electronic systems (MEMS). It is produced based on micromachining manufacturing technology and is also one of the emerging branches in the inertial field in recent years. It is the development direction of inertial measurement components in the future, with low cost, micro size, medium accuracy, high overload resistance, low power consumption and high reliability. In the military field, attitude measurement systems and inertial navigation systems are used. In the civilian field, they can be used for attitude measurement and direction positioning of robots, satellites, photography, aircraft, automobiles, medical equipment, and toys. Because the price is very low, it is one of the representatives of new micro-electromechanical products at home and abroad, and is suitable for mass production. The development of MEMS technology has also brought development opportunities for low-cost gyro north finders.

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