汽车横摆角速度传感器结构与原理.pdf

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1、InertialModulesBody&ChassisElectronicsSVCBCP1IM2005-01-27Supplyingvalue.InertialMeasurementMeasurementofVehicleChassisMovementInertialMeasurementSensingElementsGyroModuleYawRate±75°/sAccelerometerszVerticalAcceleration±1,7gFamilyConceptyApplicationsxRollRate±300°/s

2、(±75°/s)LateralAcceleration±1,7gPitchRate±75°/sLongitudinalAcceleration±1,7gInertialModulesaremeasuringturnrateandaccelerationofavehiclechassis.EachESP(ElectronicStabilityProgram)systemneedstheturnratevalueofz-axisΩzandlateralaccelerationvalue.Body&ChassisInertialM

3、odules/SVCBCP1IMPage2SensingElementGyroModuleHigherLevelofIntegrationinnextGenerationInertialMeasurementSensingElementsCurrentSensorElementDualChipModule:GyroModuleNewSensorElementAccelerometersandASICinonestandardhousingFamilyConceptApplications+ASICGeneration2Gen

4、eration3ThesensingelementofGeneration2isbasedonaninductivegyroelement.ThenewelementofGeneration3isbasedonacapacitvesensingelement.Body&ChassisInertialModules/SVCBCP1IMPage3SensingElementGyroModuleStandardPackagingforoptimizedHandlingInertialMeasurementSensingElemen

5、tsCapacitiveSensingElementGyroModule(MEMSTechnology)AccelerometersΩ(°/s)FamilyConceptApplications18,05mm10,55mmASICSOIC28ASICfunctions:controllingthesensingelement,amplifyingthesignals,supervisingthecorrectoperation,signaladjustmentBody&ChassisInertialModules/SVCBC

6、P1IMPage4SensingElementGyroModuleFunctionalPrinciple:OscillatingRingInertialMeasurementOscillatingSensingElementsRingGyroModulewithdecoupledElectrostaticDriversAccelerometersPlateFamilyConceptApplicationsCapacitor1DriveCapacitor2ControlNoTurnRateappliedBody&Chassis

7、[ForAnimationClickPicture]InertialModules/SVCBCP1IMPage5SensingElementGyroModuleCoriolisForceisactingonOscillatingRingInertialMeasurementSensingElementsGyroModuleAccelerometersFamilyConceptApplicationsΩXTurnRateappliedÎPlateisgyratingbyCoriolisForceÎ∆Capacitancecan

8、bemeasuredBody&Chassis[ForAnimationClickPicture]InertialModules/SVCBCP1IMPage6SensingElementGyroModuleMEMSTechnology(DetailsofSensingElement)Iner