UPR-R(river) P(rock)
University of Puerto RicoRío Piedras Campus
February 17, 2012
• Compare our results with RiverRock 2009 and 2010 findings.
• Measure selected gases in near-space conditions.
• Survey inorganic and organic aerosols in near-space conditions.
Mission Overview
Functional Block Diagram
Power2x9V Supply
Batteries
G-Switch
RBF (Wallops)
5V Regulator
X / Y Accelerometer
Z Accelerometer
Temperature Sensor
AVR Board
AirCore Board
Flash Memory
6 channel ADC
Control Circuit (MOSFETS)
AVR Microcontroller
ADC
Intake Solenoid Valves
Bernoulli Exhaust At the rocket
Intake Solenoid Valve
Nano-Filters Sequential Controlled
Valves
Exhaust Solenoid
Valve
Data
Airflow
Power
Interface
RAM Air Intake from Outside of the
Rocket
Gas Semiconductor
Sensor 5
Gas Semiconductor
Sensor 3
Gas Semiconductor
Sensor 1
2x9 V Supply
Gas Semiconductor
Sensor 2
Gas Semiconductor
Sensor 4
Gas Semiconductor
Sensor 6
Faculty Support:
Team Members
Vladimir Makarov
Geraldo Morell
Gladys Muñoz
Benjamin Bolaño
Oscar Resto
• Management• Management• Management
• Management
Student Management:
Team Leader: Desiree Rodriguez
Secretary: Ivan Rivera
Schedule Manager: Jose Castrillo
Technical Support: Orlando X. Nieves
Organizational Chart
Rocksat C 2012Team Organization
Ivan Rivera (Secretary)
Alvaro Gracia(Team Member)
Sergio Alegre(Team Member)
Lizmar Cerezo(Team Member)
Pedro MeléndezSoftware Technical
Leader
Jose Castrillo (Timekeeper)
Elmo Rodriguez(Team Member)
Jose Iglesias(Team Member)
Nina Cordero(Team Member)
Gladys Muñoz(Faculty Support)
Desiree Rodriguez (Team leader)
Jaime Vaquer(Team Member))
Jose Ruiz(Team Member)
Luis Rosario(Team Member)
Samalis SantiniTeam Member
Sybelle Serrano (Team Member))
Oscar A. Resto(Team Member)
Beatriz Peraza(Team Member)
Joel Delgado(Team Member)
Oscar Muniz(Team Member)
Oscar Resto (Mentor/PI)
Graciela Rivera (Team Member)
Nicolle Canales(Team Member)
Camille Lupianez(Team Member)
Marianne Marin(Team Member))
Team Picture
Payload Assessment
• As of February 14 we are on time with our schedule, even though we haven’t done the semiconductor sensor tests scheduled for February 7. We plan on doing this on February 21.
• We tested the computer and interface.
Schedule Update
Subsystem Overview
• Layer #1: Semiconductor Sensors’ Board• Layer #2: First and second Battery Filters’
Subsystem• Layer #3: Third Battery Filter and Manifold’s
Sensor Subsystem• Layer #4: Interface and AVR Board’s Subsystem• Layer #5: Power Plate
Semiconductor Sensors’ Board Subsystem (Layer #1)
First and Second Battery Filters’ Subsystem (Layer #2)
Third Battery Filter and Manifold’s Sensor Subsystem (Layer #3)
Interface and AVR Boards’ Subsystem (Layer #4)
Battery Plate Subsystem (Layer #5)
• We have successfully tested the AVR computer.
• We have two computers, one for flight and a spare one. They both work perfectly.
• We also have a third one that need minor repairs.
AVR Subsystem Update
AVR Subsystem Test
Two out of three computers worked perfectly
The third one needs some minor repairs
Results
• We are going to work with each subsystem separately to ensure its functionality.
• We are going to clean and assemble the subsystems in their proper layers after the disassembly of the payload.
•
Plan for Subsystem Integration
Lessons Learned
- While testing the AVR computer we realized that we weren’t connecting the cables correctly. Therefore we couldn’t program the computer. That problem has been solved.
• We are on schedule and working to have everything done.
• There is a team training in the usage of the Scanning Electron Microscope to analyze the samples of RockSat 2009-2010 and 2011-2012 (upcoming flight).
Conclusion