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Promote The Development Of Inertial Navigation Systems - Inertial Sensors
Jan 02, 2019

The accuracy and cost of the inertial navigation system mainly depend on the accuracy and cost of the gyroscope and the acceleration sensor. Especially the influence of the drift of the gyroscope on the position error of the inertial navigation system is the cubic function of time, and the high precision gyroscope is difficult to manufacture. The cost is high, so the inertial technology community has been seeking various effective methods to improve the accuracy of the gyroscope while reducing system cost. From liquid-floating gyros in the 1950s to dynamic-tuned gyroscopes in the 1970s; ring-shaped laser gyros from the 1980s, fiber-optic gyros to vibratory gyroscopes in the 1990s, and micro-mechanical electronic systems The instruments have appeared one after another, which has pushed the inertial sensors to move forward.

Inertial sensors are important components for solving navigation, orientation and motion carrier control. Their applications range from space shuttles to automobiles and robots. Therefore, the research on inertial sensors has always been the focus of inertial technology in various countries. Various new materials and new technologies are reflected in the research of inertial sensors. With the advent of low-cost, high-precision inertial sensors, inertial navigation systems will become Universal, low-cost navigation system.

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