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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