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Curtis Instruments 1238 - Page 38

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#URTIS-ANUAL/3

02/'2!--!",%0!2!-%4%23 2ESPONSE0ARAMETERS4/215%-/$%
n4/215%-/$% 2%30/.3%-%.5
!,,/7!",%
0!2!-%4%2 2!.'% $%3#2)04)/.
!CCEL2ATE nSEC 3ETSTHERATEINSECONDSATWHICHTHEMOTORTORQUEINCREASESTOFULL
!CCEL?2ATE?4RQ- n WHENFULLTHROTTLEISAPPLIED,ARGERVALUESREPRESENTSLOWERRESPONSE
!CCEL2ELEASE2ATE nSEC $ETERMINESHOWQUICKLYDECELERATIONWILLBEINITIATEDWHENTHETHROTTLE
!CCEL?2ELEASE?2ATE?4RQ- n ISRELEASEDWHILETHEVEHICLEISSTILLACCELERATING)FTHERELEASERATE
ISFASTIESETTOALOWVALUETHETRANSITIONISINITIATEDABRUPTLY
4HETRANSITIONISSMOOTHERIFTHERELEASERATEISSETTOAHIGHERVALUE
SLOWERTRANSITIONHOWEVERSETTINGTHERATETOOHIGHCANCAUSETHE
VEHICLETOFEELUNCONTROLLABLEWHENTHETHROTTLEISRELEASEDASITWILL
CONTINUETODRIVEFORASHORTTIME
"RAKE2ATE nSEC !DJUSTSTHERATEINSECONDSATWHICHBRAKINGTORQUEBUILDSASTHE
"RAKE?2ATE?4RQ- n VEHICLETRANSITIONSFROMDRIVETOBRAKINGWHENDIRECTIONISREVERSED
THEBRAKEPEDALISAPPLIEDORNEUTRALBRAKINGBEGINS,OWERVALUES
REPRESENTFASTERTIMESANDTHEREFOREFASTERBRAKINGGENTLERBRAKINGIS
ACHIEVEDBYSETTINGTHEBRAKINGRATETOAHIGHERVALUE
"RAKE2ELEASE2ATE nSEC !DJUSTSTHERATEINSECONDSATWHICHBRAKINGTORQUERELEASESAS
"RAKE?2ELEASE?2ATE?4RQ- n ASTHEVEHICLETRANSITIONSFROMBRAKINGTODRIVE
.EUTRAL"RAKING n .EUTRALBRAKINGOCCURSPROGRESSIVELYWHENTHETHROTTLEISREDUCED
.EUTRAL?"RAKING?4RQ- n TOWARDTHENEUTRALPOSITIONORWHENNODIRECTIONISSELECTED4HE
NEUTRALBRAKINGPARAMETERISADJUSTABLEFROMTOOFTHEREGEN
CURRENTLIMITSEE#URRENT,IMITSMENUPAGE
.EUTRAL4APER3PEED nRPM $ETERMINESTHEMOTORSPEEDBELOWWHICHBRAKINGCURRENTISADJUSTED
.EUTRAL?4APER?3PEED?4RQ- n INBOTHTHEPOSITIVEANDNEGATIVEDIRECTIONSWHENTHROTTLEISREDUCED
SEE&IGURE
)NTHEPOSITIVEDIRECTIONTHENEUTRALBRAKINGCURRENTISLINEARLY
REDUCEDFROMATTHE.EUTRAL4APER3PEEDTOTHE#REEP4ORQUE
CURRENTATZERORPMMOTORSPEED
)NTHENEGATIVEDIRECTIONTHERESTRAINTCURRENTISLINEARLY
INCREASED
FROMTHE
#REEP4ORQUECURRENTATZERORPMMOTORSPEED
TOTHERESTR
AINTCURRENTATTHE.EUTRAL4APER3PEED
.OTE3ETTINGTHETAPERSPEEDTOOLOWMAYCAUSEOSCILLATIONSIN
THEMOTOR

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