激光陀螺仪的原理与应用课件.ppt
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1、The Principle and Applicationof Ring Laser Gyro1ppt课件1Background2ppt课件Gyroscope:A sensor which has the ability to perceive the running speed and maintain the direction of the type.3ppt课件 I Inertial components nertial components I Inertia measurementnertia measurement I Inertial navigation nertial na
2、vigation I Inertial stabilization nertial stabilization I Inertial guidance nertial guidance Inertial device is the core of the inertial technology 4ppt课件Traditional inertial gyro has a high requirement on the process structures,complex structure,and the precision is restricted.Ring laser gyro rotor
3、 rotating parts,not angular momentum,ring frame,also do not need direction angle sensor moving parts,such as simple structure,long working life,convenient maintenance,high reliability.Traditional gyroRing laser gyro5ppt课件Fiber optic gyroRing laser gyro RLGs zero bias and scale factor of the system p
4、arameters are stability compared with FOG,so the calibration difficulty relatively easy.The optical path of RLG must be kept in a solid component,so the degree of FOG on the surrounding environment sensitiver than RLG.RLG has some inherent drawbacks,such as mirrors,gas,and under the condition of low
5、 speed it is easy to closure.The precision of RLG is high,but the price also high.6ppt课件1Background2Basic principle7ppt课件Rotation free condition,two beams of light transmission time,which is,Under the condition of rotating,8ppt课件The time of two directionsTransmission time9ppt课件Partial frequency comp
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