solidconverter pdf

Abstract—Existinghydraulicactivesuspensionsystemhas

severaldisadvantagessuchasslowresponse,highenergy

gy-regenerativeelectrical

suspensionisutilizedwhosemotoractuatoriscomposedofa

permanent-magnetdirect-currentmotorwithaballscrewanda

nificantcharacteristicofthesuspensionisthat

vibrationenergyfromtheroadexcitationcanberegenerated

andtransformedintoelectricenergywhilegoodsuspension

formancetestsofthe

enerationandvibration

controlperformancesareverifiedbythefull-vehicle

mental

resultsoftheelectricalsystemfunctioningasapassive

suspensionsystemshowthefeasibilityofvibrationenergy

totypeisdesignedandproducedbasedon

therearsuspensionstructureofatypicalpassengercar.

UCTION

HEenergy-regenerativeactivesuspensionhasbeen

researchedbyseveralautomotiveinstitutesand

lpapershavepresented

[1]proposedregenerative

systemsinautomobilesuspensionsanddiscusseditspossible

[2]proposedahybridactivesuspension

system,whichappliedanenergyregenerativedamper

functioningwithamotoractuatorforactivecontroland

-poweredactivesuspension

controlsystemwasresearchedbyNakano[3,4],andthenit

wasappliedtoatruckcabsuspension[5].Inthesystemthe

motoractuatormountedinthefrontsuspensionabsorbsthe

vibrationenergyfromtheroadexcitationandreservesitinto

acapacitorforvibrationisolationofthecabsuspension.

Martins[6]developedapermanent-magnetslinearactuatorin

ghitsmassandvolume

arelargerthanthatofhydraulicactuator,thereliabilityand

applicabilitywereprovedbytheresultsofsimulation

mpanydevelopedan

Electro-suspension,whichusesalinearelectromagnetic

ThisworkwassupportedbyNationalNaturalScienceFoundationofChina

horsexpressgratitudetoNSFCforthe

financialsupport.

.&Vib.,tiveEng.,

ShanghaiJiaoTongUniversity(phone:8621-34206298,email:

zycac@).

.&Vib.,tiveEng.,

ShanghaiJiaoTongUniversity(email:watanuosenbu@).

.&Vib.,tiveEng.,Shanghai

JiaoTongUniversity(email:fanyu@).

.&Vib.,tiveEng.,

ShanghaiJiaoTongUniversity(email:good-hui@).

.&Vib.,tiveEng.,Shanghai

JiaoTongUniversity(email:duffayli@).

motorastheactuator,tocombinebetterridecomfortand

estudies,differentkindsof

energy-regenerativeactivesuspensionarediscussedandthe

feasibilityhasbeenprovedbytheexperiments.

Anovelactivesuspensionthatrealizesenergyregeneration

tsmotoractuatorwhichis

composedofapermanent-magnetdirect-currentmotorwitha

erdescribestheaim,principle

andfunctionsofthesuspension,focusinginparticularonits

experimentstoprovethefeasibilityofenergyregeneration.

AIMANDPRINCIPLE

Theenergy-regenerativeelectricalsuspensionutilizesa

permanent-magnetdirect-currentmotorwithaballscrewand

ionenergyfromtheroughroadsurfaceduring

thedrivinggenerallyistransformedintoheatenergyby

dampersanddissipatesintotheair,whiletheproposed

suspensionisdesignedtoregeneratethedissipatedenergyas

eneratedenergyistransformedinto

electricenergybymotoractuatorandthenstoredintoa

batteryorcondenserforenergysupplytotheactivevibration

hisprocess,vehicleride

performanceisimprovedandenergyconsumptionofactive

suspensionisreduced.

Themodelofenergy-regenerativeactivesuspension[8]is

temincludesthatsprungmass

(body),unsprungmass(wheel),spring,motoractuator,

circuitsofdriveandregeneration,microprocessor,sensorsof

suspensionworkingspace,circuitsofon-vehiclepowerand

sofsuspensionworkingspaceandamotor

actuatoraremountedinparallelbetweenbodyandwheelto

measuresuspensionworkingspace.

b

x

b

x

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