Gearbox Design4g

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Elizabeth Dick, Vijay Patel, Trish Pham,Elizabeth Dick, Vijay Patel, Trish Pham,Breanne Walters, Josh CollinsBreanne Walters, Josh Collins

Dr. Sohel Anar!Project S"onsorDr. Sohel Anar!Project S"onsor

#A$$ %&&'#A$$ %&&'

Steer!by!Wire SystemSteer!by!Wire System

(ear Bo) Desi*n(ear Bo) Desi*n

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Presentation +tlinePresentation +tline

Project GoalProject Goal BackgroundBackground

Customer required criteriaCustomer required criteria Motor SelectionMotor Selection Final ModelFinal Model Model Analysis (Static and Dynamic)Model Analysis (Static and Dynamic)

ConclusionConclusion Recommendations or t!e utureRecommendations or t!e uture Ackno"ledgementsAckno"ledgements #uestions#uestions

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Project (oalProject (oal

$Con%ert rack and &inion system to o&eratet"o motors or steer'y'"ire steering

system

Current Motornterace

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Back*ron-Back*ron-

Steer'y'*ireSteer'y'*ire Po"er SteeringPo"er Steering

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CstomerCstomer Desi*nDesi*n

CriteriaCriteria#orce to moe to rack /01#orce to moe to rack /01 2&&&34&&&2&&&34&&&

#nctionality /51#nctionality /51 6&&3'26&&3'2

7e-n-ancies7e-n-ancies %36%36

8otor res"onse time /ms18otor res"onse time /ms1 9236&&9236&&

De:ection -rin* actation /-e*rees1De:ection -rin* actation /-e*rees1 &.23&.;&.23&.;

Clearance /in1Clearance /in1 &.23&&.23&

#nctionality -rin* sin*le "oint <ailre#nctionality -rin* sin*le "oint <ailre/51/51

6&&3=&6&&3=&

Backlash /in1Backlash /in1 &.%236&.%2360oise leel /-b10oise leel /-b1 >2&3?;2>2&3?;2

Sitable <or laboratorySitable <or laboratory 6&&3926&&392

Distance <rom bottom o< @)tre /in1Distance <rom bottom o< @)tre /in1 ?3>%?3>%

Wei*ht /lb1Wei*ht /lb1 >4&3?2&>4&3?2&

Volt /V1Volt /V1 >9&3?9&>9&3?9&

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8otor Selection8otor Selection

MotorMotor

RequirementRequirement

Selected MotorSelected Motor

+,- .m Continuous/ 0.mMa1,/

+-22 r&m/ 32,4 A/ 02 5/ 3,6 !&

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#inal 8o-el Desi*n#inal 8o-el Desi*n

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Static AnalysisStatic Analysis

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Dynamic AnalysisDynamic Analysis

0.098425 [m], shaft length

Ø.03 [m],shaft dia.

1:1 GearRatio

 2 l!s

"er#o $otor 1.5 [% m]&or'(e2 l!s

"haft !onne!tingGear)o* +Ra!- and inion

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Pro-ct EalationPro-ct Ealation

SmmarySmmary

0ote

Backlas!and .oise

7e%el

PendingPrototy&e

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ConclsionConclsion

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7ecommen-ations <or7ecommen-ations <or

the #trethe #tre Project turn'o%erProject turn'o%er

Design goals and customerDesign goals and customer

design criteria need to e de8neddesign criteria need to e de8nedclearclear

CommunicationCommunication

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Acknole-*ementsAcknole-*ements

Dr, So!el An"ar 9 Project S&onsorDr, So!el An"ar 9 Project S&onsor

Dr, :ie C!en 9 Project Ad%isorDr, :ie C!en 9 Project Ad%isor

*ei .u 9 Graduate Student*ei .u 9 Graduate Student

Daniel A" 9 Graduate StudentDaniel A" 9 Graduate Student

Brian .eel 9 Mec!anical ;lectricalBrian .eel 9 Mec!anical ;lectrical

SystemsSystems

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estionsestions