Technical Robustnessand Quality

www.teamrush27.net

Rock Solid Robot

Page Title

1-4 Robustness In Concept And Fabrication

5 Creative Concepts For Tomorrow’s Technology

6-8 Rock Solid Controls

9-10 Effectively Achieves Game Challenge

RUSH for the Future / 1

ROBUSTNESS IN CONCEPT AND FABRICATION

Design ConceptsMoon Rock Harvesting Mechanism

•Simple•Carryoverconceptwhichhasbeenproventoworkwell(2006and2008RUSHrobot)

Modular Design Concepts•4robotsubteamscreatedsystems•AllsubteamscreatedsubsysteminInventor•Allsubteamsbenchbuilttheirsystem

Chassis Chain Tensioner•Packagedinternallyinthechassisframerails

•Set-itandforgetit•Proventowork

2 / Technical Robustness and Quality

ROBUSTNESS IN CONCEPT AND FABRICATION

Robust Fabrication

Quality Aspects•Implementsafetyinallareasofbuild

•Robustorganization•EffectiveCommunication•ExemplifiesGraciousProfessionalism

•Graphicsandmaterialcolorsmatchteamuniform

•RobustDesignConceptsandFabrication

•Designedforeasyandsimpleservice

Created Welding Fixture•Reducedweldingtime•Minimizedbuildvariances

Utilized Aluminum Tube and Plate•Durable • Strong•Costeffective • Lightweight

RUSH for the Future / 3

ROBUSTNESS IN CONCEPT AND FABRICATION

Design for ServiceOpen Design Concept

•Increasesserviceabilityofinternalcomponents•Controlcomponentsarealwaysinclearview•Lightenedpolycarbonatecontrolsmount -Lightenedpoly-carbmount -Spacesavingdesign

Pre-Lightened Materials Prior to Assembly/Welding

Reducesoverallrobotweightby10%

Business Oriented•4technicalsub-teams•Weeklydesignreviews•Integratesbusinesssoftware

Design Process•Costandweighttargetsassignedinweekone•Prototypesconstructedtovalidatedesignandupdatedasdesigndeveloped

•Utilizedleanmanufacturingtechniques

Robust Organization

4 / Technical Robustness and Quality

ROBUSTNESS IN CONCEPT AND FABRICATION

Safety•PitCompetitionRobotChecklist•Wheelguardsonmoonrocklauncher•Safetyglassesrequiredintheshop•Tetheredkillswitchforpracticesession•Requiredmachining/tools/shoptraining

RUSH for the Future / 5

CREATIVE CONCEPTS FOR TOMORROW’S TECHNOLOGY

Ball Containment Unit•Storesspacerocksinsinglefile -Preventsjamming -Allowsemptycellmanagement

Elevator•Liftsrocksuptoshooter -Keepsrocksinstraightline -Minimizesjamming -Adjustsforbrokenormisshapenrocks -Candetectjammingandautoreverse

Ball Management System

•Twosensorstoeliminatefalsedetection•Candetectrisingvs.fallingedge -Ballin -Ballout

•Closedloopfeedback•Spurgeardrive•Adjustablebacklash

•5startleadscrew•Fastlinearmotion•Smoothactuation•Autojamdetection•Encoderfeedback•Auto-calibrationvialightsensor•Linearbearing

6 / Technical Robustness and Quality

ROCK SOLID CONTROLS

Main RUSH Control VI

Waypoint Navigation

Traction Control

Camera Tracking

RUSH for the Future / 7

ROCK SOLID CONTROLS

Waypoint Navigation

X-Y Coordinate Overlay•Graphicalinput•4encoders,1gyro•Collisionrecovery

8 / Technical Robustness and Quality

ROCK SOLID CONTROLS

Traction Control

Camera Tracking•Tracksupto5trailerssimultaneously -Useswebcam -Colordetectiontoidentifyopposition•Usespixelanalysistodeterminedistance•Closed-loopwheelspeed -Encodersmadefromlightsensors -Shiftingonlowerwheel•VisualLEDtargetacquisitionindicator

•Referencewheelencoders - (2)Comparedtodrivewheelencoders - (2)Toadjustspeedandacceleration -Collisiondetectionandcompensation•Measuresrateofacceleration•Emulatesreal-worldautomotivestyletractioncontrol

RUSH for the Future / 9

EFFECTIVELY ACHIEVES GAME CHALLENGE

Versatile LoadingLarge Basket Enables Robot to be Loaded from Anywhere

•Helpspayloadspecialistsloadeasily•Allowsotherrobotseffortlessloading

Simple Chain Driven RollerPicksupmoonrocksfromthecrater

Simple Ball Organization

Easily SortedSeparatesemptyandsupercells

Prevents Jamming

Consistent Delivery to Shooter

Factory-Like Process

10 / Technical Robustness and Quality

EFFECTIVELY ACHIEVES GAME CHALLENGE

Effective Maneuvering6-Wheel Drive

•Simple•Universalchassis

Traction Control •Comparesspeedofreferencewheelstodrivenwheels

•Preventssliding

Multi-Faceted Shooter

Uses Camera to Track Trailers•Distinguishesbetweentargets•Choosesclosestopponent’strailer

Has a 1-12 Foot RangeUsesservostochangegearsontransmissions

On a TurretRotates360degrees