基于嵌入式系統(tǒng)的動態(tài)測控信號的采集與調(diào)理研究

1、天津大學(xué)碩士學(xué)位論文基于嵌入式系統(tǒng)的動態(tài)測控信號的采集與調(diào)理研究姓名：姚堯藍申請學(xué)位級別：碩士專業(yè)：機械制造及其自動化指導(dǎo)教師：吳振勇王太勇20070601ABSTRACTTheproductiondepartmentbringsforwardhighlyreliabilityofthemechanicalequipmentinmodemindustrialautomationSoweshouldmonitorthefunctional

2、modeofthemechanicalequipmenteitheronlineOtoffline，collectthegeneratingsignalsduringoperation，findfaultormakeearlyforecasttothetrendofthefault，SOastoclearfaultsintimeandtakestepstomechanicalequipmentmaintenanceandavoidgre

3、aterlossesfornormalproductionBeingtheimportantfront—endofstatusmonitoringandtheirrelatedfaultdiagnosis，theinstrumentsofdataacquisitionandanalysisaledevelopingtowardsportable，modularizationandlowpowerconsumptionWeadoptahi

4、ghintegratedSoC，onwhichwetransplantembedRTOS，todevelopmentasetofdataacquisitionandanalysisinstnunentwhichisportableandhavinghighcostperformanceThroughanalysisonthefilterandthefiltermethodthathasbeenevaluatedbyrelatedsimu

5、lationexperiments，thefilterckcmm丘tthissystembestCanbedesignedInordertomeettherequirementofspottest，wedesignedcelltypefiltercircuitsthatcanchangethetypesandthefrequencyofthefiltersinthefield，achievebettereffectbasedonthen

6、ewfieldreconfigurableanalogdeviceaccordingtothemicroprocessorconfiguremodeandreachtheaimtoimprovesignaltonoiseratioThen，onthebasisofsignalconditioning，wedesignedthefrontcircuittodrivethesensortoworknormallyandfulfillthes

7、ensoracquisitionprecision；designthepowermodulefortheentiresignalprocessingtoprovideaccuratereferencevoltage；MakingtheADCmoduleasthecoreofthesystem，designwaveshapingcircuittomaketheamplitudeofthecollectedsignaltomeetthere

8、quirementsofADconverter；meanwhiledesigntherelatedexternalcircuit，reducecircuitnoiseandotherfactorsonthecircuit，improveaccuracyandenhancesignal—tonoiseratioFinally，thepaperillustratedtheserviceconditionsofthedataacquisiti