ASCEND

Project ASCEND!Embry-Riddle Aeronautical UniversitySpring 2014Team OrganizationAnkit Jain: Project ManagerBen Anderson: Assistant Project ManagerPatrick Deskin: System IntegratorBrigette Cochran: Software EngineerDallas Hodge: Hardware EngineerAustin Leonard: Structural EngineerLoren Williams: Structural EngineerPresentation OverviewProject OverviewAttitude DeterminationComputer Aided Design (CAD)Rapid PrototypingFabricationHardwareSoftwareSystem IntegrationAcknowledgmentsProject OverviewAccurate Attitude DeterminationReal-Time ImplementationPCB Manufacturing26-sided StructureBooms for StabilizationStandard Clamp Rod Attachment

Attitude DeterminationAnkit Jain Project ManagerAttitude Determination23 solar panels as sun sensorsIMU consisting of a 3-axis rate gyroscope and 3-axis accelerometerRate gyroscope data is integrated Each time step, the integration is initialized with a quaternion solved using Wahbas Problem between two independent vector measurements

CAD & Rapid PrototypingBen Anderson Assistant Project ManagerEarly CAD Design

CATIA V5 R17Final CAD Design

Rapid Prototyping

FabricationAustin Leonard Structural EngineerFabrication

Bidirectional CarbonNOMEX Honeycomb2/10 Styrofoam InsulationLexan Plate for Camera WindowFabrication

EpoxyFiberglass ReinforcementMicroballoonsVelcro Door MechanismHardware & SoftwareBrigette Cochran Software EngineerHardwareMicrocontroller: TI-LM4F120XL IMU: Pololu AltIMU 10-DOFSolar Panels: Powerfilm Solar sponsoredPrinted Circuit Board (PCB) Opamps for signal amplificationMultiplexers for multiple solar panel implementationPower & Pin Routing

Hardware

Pololu IMUEK-LM4F120XLSoftwareProgramming Platform: Code Composer StudioProgramming Language: CWidely supported across MicroprocessorsDesired Features:Real-Time ImplementationAnalog to Digital Converter (ADC) I2CExternal SD via SPI

Software

Current Software / HardwareDr. Isenbergs Data logging system utilizing a PIC Processor3.3V and 5V Power RegulatorsIMU BoardPCB - ExpressPCBVideo RecorderData Analysis: MATLAB System Integration & Future RecommendationsPatrick Deskin System IntegratorSystem IntegrationBrought together component subsystems into wholeMade sure that the subsystems functioned together properlyWiring configuration of the solar panelsSun Vector Determination

Future DevelopmentsRecruit more software engineersDebug I2C Complete external SD & file system Real-time implementationMoving to C++ for Libraries Containing Array Math Attitude ControlAcknowledgementsJack Crabtree & ANSR - ERAUDr. Gary Yale - ERAUDr. Douglas Isenberg - ERAUJim Weber ERAUDr. Brian Davis - ERAUPatrick David - ERAUChris Smith ERAUBen Ellefson Powerfilm SolarNASA Space Grant Interns