Micro inertial measuring unit

• Main Authors: BAI TAIXUN, HUANG YAO, ZHANG QIBIN, YANG JIANZHONG, LI BIN, YANG YE, XING FEI, MA LIN, YOU ZHENG, DUAN SHIZHONG
• Format: Patent
• Language: Chinese; English
• Published: 14.11.2012
• Subjects: GYROSCOPIC INSTRUMENTS; INDICATING PRESENCE, ABSENCE, OR DIRECTION, OF MOVEMENT; MEASURING; MEASURING DISTANCES, LEVELS OR BEARINGS; MEASURING LINEAR OR ANGULAR SPEED, ACCELERATION, DECELERATION,OR SHOCK; NAVIGATION; PHOTOGRAMMETRY OR VIDEOGRAMMETRY; PHYSICS; SURVEYING; TESTING

The invention discloses a micro inertial measuring unit which comprises a shell, a top cover, a main circuit board, a micro inertial measurement combination, a first double-shaft micro-machined accelerometer and a second double-shaft micro-machined accelerometer, wherein the top cover is arranged on the top end of the shell, a cavity is limited by the top cover and the shell, the main circuit board is arranged in the cavity, the micro inertia measurement combination is arranged in the cavity and is connected with the main circuit board, the micro inertia measurement combination comprises a three-shaft micro-machined gyroscope, a three-shaft micro-machined accelerometer and a three-shaft magnetometer; and the first double-shaft micro-machined accelerometer and the second double-shaft micro-machined accelerometer are respectively arranged in the cavity and respectively connected with the main circuit board. The micro inertial measuring unit can be used for measuring motion parameters of a small aircraft under a