MEMS-IMU介绍

IMU1MicroElectroMechanicalSystems(MEMS)InertialMeasurementUnit(IMU)AttituderelativetogravityvectorMagneticheadingRotationalvelocityTranslationalaccelerationIMU2AbsoluterotationalattitudeofobjectDirectmeasurementofangularvelocityDirectmeasurementoftranslationalaccelerationPositivesIMU3Doesnotprovide–absolutelocationtranslationalvelocityrotationalaccelerationDatacommunicationMediumresolution150HzNegativesIMU4VehiclenavigationIntercontinentalballisticmissiles(ICBM)NuclearsubmarinesCruisemissilesMEMSAutomotiveConsumerproductsHistoryofIMUsIMU5AutomotiveAccelerometerstodeployairbagsVehiclerollhandlingMEMSIMUs-AutomotiveIMU6Games(WiiMote)PDA(iPhone)CamerastabilizationHarddisksMEMSIMUs–ConsumerProductsIMU7MEMSFabricationIMU8accelerationgravityMEMSaccelerometer(proofmass)IMU9MEMSCombSensor/DriveIMU10MEMSDifferentialCapacitanceIMU11MEMSDifferentialCapacitanceIMU12MEMSaccelerometerIMU13MEMSgyro(torsion)IMU14MEMSgyro(planar)IMU15MEMSmagnetometer(magnetoresistive)IMU16SignalAnalogvoltage(0to3V)Fixedfrequency,variabledutycycleDigital(internalA/Dconverter)NominalBandwidth550Hzforaccelerometer150Hzforgyro50HzformagnetometerMEMSIMUOutputsIMU17BiaxialaccelerometerUniaxialgyroTwo-Dimensional(2D)IMUIMU18TriaxialaccelerometerTriaxialgyroTriaxialmagnetometerRequiredtodeterminespinaboutgravityvectorThree-Dimensional(3D)IMUaxayazIMU19Triaxialaccelerometer±3g,300mV/g,550HzTriaxialgyro±300deg/sec(dps),3.3mV/dps,140HzTriaxialmagnetometer50HzOn-boardCPU,serialI/O9DOFBoard–SparkfunMEMSIMU20Triaxialaccelerometer±2g,±4g,±8gand±16gTriaxialgyro±250,±500,±1000,and±2000dpsTriaxialcompassOn-boardmotionfusion,I2Cserial9DOFChip–InvensenseMPU-9150