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Cajun Probe Preliminary Design Review. University of Louisiana at Lafayette Mark Roberts 11.5.2009. Table of Contents. Mission Overview Narrative Expectations Cosmic Rays Related Research Mission Requirements Mission Success Mission Benefits Expected Results Subsystems Layout

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Cajun Probe

Preliminary Design Review

University of Louisiana at Lafayette

Mark Roberts

11.5.2009


Table of Contents

  • Mission Overview

  • Narrative

  • Expectations

  • Cosmic Rays

    • Related Research

  • Mission Requirements

  • Mission Success

  • Mission Benefits

  • Expected Results

  • Subsystems

    • Layout

    • Power

    • Sensor

    • C&DH

  • Special

  • Requirements

    • Atmospheric

    • Port

  • Systems Layout

    • Block

    • Diagram

    • Schematic

    • Geiger Circuit

    • Corona

    • Discharge

    • Top View

    • Temp Sensors

    • GPS

  • Code Flow Chart

    • Code Explanation

    • Memory Budget

    • Sensor

    • Specifications

  • Test Plans

    • Flight Batteries

  • Parts List

    • Flight Hardware

    • Non-Flight/Sensors

  • Canister Compliance

  • Shared Canister

  • Management

    • Team

    • Timeline

  • Test Plans

    • Flight Batteries

  • Parts List

    • Flight Hardware

    • Non-flight hardware &

    • Sensors

  • Canister Compliance

  • Logistics of Shared Canister

  • Management

    • Team

    • Timeline

  • Mission Overview

    • Narrative

    • Expectations

  • Cosmic Rays

    • Related Research

  • Mission Requirements

    • Mission Success

    • Mission Benefits

    • Expected Results

  • Subsystems

    • Layout

    • Power

    • Sensor

    • C&DH

  • Special Requirements

    • Atmospheric Port(s)

  • Systems Layout

    • Functional Block Diagram

    • Schematic

    • Geiger Circuit

    • Corona Discharge

    • Top View

    • Temperature Sensors

    • GPS

  • Code Flow Chart

    • Code Explanation

    • Memory Budget

    • Sensor Specifications


Mission Overview

  • Mission Overview

  • Narrative

  • Expectations

  • Cosmic Rays

    • Related Research

  • Mission Requirements

  • Mission Success

  • Mission Benefits

  • Expected Results

  • Subsystems

    • Layout

    • Power

    • Sensor

    • C&DH

  • Special

  • Requirements

    • Atmospheric

    • Port

  • Systems Layout

    • Block

    • Diagram

    • Schematic

    • Geiger Circuit

    • Corona

    • Discharge

    • Top View

    • Temp Sensors

    • GPS

  • Code Flow Chart

    • Code Explanation

    • Memory Budget

    • Sensor

    • Specifications

  • Test Plans

    • Flight Batteries

  • Parts List

    • Flight Hardware

    • Non-Flight/Sensors

  • Canister Compliance

  • Shared Canister

  • Management

    • Team

    • Timeline

Objectives

  • Design and implement a robust, compact payload to latter be integrated into a probe.

  • Develop improved Geiger Counter circuit.

  • Testing of payload’s durability and performance under space conditions.

  • Obtain and analyze data for a baseline of future experiments.


Expanding on RockOn 2008

  • Mission Overview

  • Narrative

  • Expectations

  • Cosmic Rays

    • Related Research

  • Mission Requirements

  • Mission Success

  • Mission Benefits

  • Expected Results

  • Subsystems

    • Layout

    • Power

    • Sensor

    • C&DH

  • Special

  • Requirements

    • Atmospheric

    • Port

  • Systems Layout

    • Block

    • Diagram

    • Schematic

    • Geiger Circuit

    • Corona

    • Discharge

    • Top View

    • Temp Sensors

    • GPS

  • Code Flow Chart

    • Code Explanation

    • Memory Budget

    • Sensor

    • Specifications

  • Test Plans

    • Flight Batteries

  • Parts List

    • Flight Hardware

    • Non-Flight/Sensors

  • Canister Compliance

  • Shared Canister

  • Management

    • Team

    • Timeline

Previous experiments have proven inconclusive with Geiger Counter circuit.

Therefore, a more robust circuit and improved Geiger-Muller tube is necessary.


Experiment Expectations

  • Mission Overview

  • Narrative

  • Expectations

  • Cosmic Rays

    • Related Research

  • Mission Requirements

  • Mission Success

  • Mission Benefits

  • Expected Results

  • Subsystems

    • Layout

    • Power

    • Sensor

    • C&DH

  • Special

  • Requirements

    • Atmospheric

    • Port

  • Systems Layout

    • Block

    • Diagram

    • Schematic

    • Geiger Circuit

    • Corona

    • Discharge

    • Top View

    • Temp Sensors

    • GPS

  • Code Flow Chart

    • Code Explanation

    • Memory Budget

    • Sensor

    • Specifications

  • Test Plans

    • Flight Batteries

  • Parts List

    • Flight Hardware

    • Non-Flight/Sensors

  • Canister Compliance

  • Shared Canister

  • Management

    • Team

    • Timeline

  • Cosmic Radiation

    • ULL expects to quantify the cosmic radiation and analyze it’s relation to temperature(s) and pressure.

  • Further Development of Probe

    • Again, this phase of the project is just a step towards ULL’s ultimate goal which is to develop a extremely robust probe to be launched into thunderstorms.

  • Finally have an Improved Geiger Counter

    • Circuit that is robust enough to operate efficiently and properly in harsh environments.


Cosmic Rays (CRs)

Discovered by Victor Hess in 1912

  • Mission Overview

  • Narrative

  • Expectations

  • Cosmic Rays

    • Related Research

  • Mission Requirements

  • Mission Success

  • Mission Benefits

  • Expected Results

  • Subsystems

    • Layout

    • Power

    • Sensor

    • C&DH

  • Special

  • Requirements

    • Atmospheric

    • Port

  • Systems Layout

    • Block

    • Diagram

    • Schematic

    • Geiger Circuit

    • Corona

    • Discharge

    • Top View

    • Temp Sensors

    • GPS

  • Code Flow Chart

    • Code Explanation

    • Memory Budget

    • Sensor

    • Specifications

  • Test Plans

    • Flight Batteries

  • Parts List

    • Flight Hardware

    • Non-Flight/Sensors

  • Canister Compliance

  • Shared Canister

  • Management

    • Team

    • Timeline

Electrically charged particles that bombard Earth where the flux of the CRs will be different at different latitudes & altitudes.

  • CRs led to the discovery of the first muon and pion, however the main

    • focus of cosmic ray research is where they originate and how they are accelerated to such high velocities—their role in the dynamics of the Galaxy.

  • It is believed that CRs originate from outside our galaxy from active

    • galactic nuclei, quasars, or gamma ray bursts.

  • Another belief is that galactic CR’s derive their energy from supernova

    • explosions and evidence exists to suggest that CR’s are accelerated as the shock waves from these explosions, traveling through interstellar gas where the energy contributed to the Galaxy by the CRs is about that contained in galactic magnetic fields and in the thermal energy of the gas that it passes through.


When high energy cosmic rays collide with the atoms in Earth’s atmosphere a shower of secondary particles are produced, correspondingly the frequency of particles reaching Earth’s surface is directly related to the energy of the cosmic ray(s) which can be measured with a Geiger counter.


Related Research

  • Mission Overview

  • Narrative

  • Expectations

  • Cosmic Rays

    • Related Research

  • Mission Requirements

  • Mission Success

  • Mission Benefits

  • Expected Results

  • Subsystems

    • Layout

    • Power

    • Sensor

    • C&DH

  • Special

  • Requirements

    • Atmospheric

    • Port

  • Systems Layout

    • Block

    • Diagram

    • Schematic

    • Geiger Circuit

    • Corona

    • Discharge

    • Top View

    • Temp Sensors

    • GPS

  • Code Flow Chart

    • Code Explanation

    • Memory Budget

    • Sensor

    • Specifications

  • Test Plans

    • Flight Batteries

  • Parts List

    • Flight Hardware

    • Non-Flight/Sensors

  • Canister Compliance

  • Shared Canister

  • Management

    • Team

    • Timeline


T-MAT H°600 film showing cosmic ray tracks

  • Mission Overview

  • Narrative

  • Expectations

  • Cosmic Rays

    • Related Research

  • Mission Requirements

  • Mission Success

  • Mission Benefits

  • Expected Results

  • Subsystems

    • Layout

    • Power

    • Sensor

    • C&DH

  • Special

  • Requirements

    • Atmospheric

    • Port

  • Systems Layout

    • Block

    • Diagram

    • Schematic

    • Geiger Circuit

    • Corona

    • Discharge

    • Top View

    • Temp Sensors

    • GPS

  • Code Flow Chart

    • Code Explanation

    • Memory Budget

    • Sensor

    • Specifications

  • Test Plans

    • Flight Batteries

  • Parts List

    • Flight Hardware

    • Non-Flight/Sensors

  • Canister Compliance

  • Shared Canister

  • Management

    • Team

    • Timeline

High Energy Particles (E > 250 MeV)

Low Energy Particles (E ≤ 250 MeV)

Measured fluence of high & low energy protons & electrons

OSL Badges


Mission Requirements

  • Mission Overview

  • Narrative

  • Expectations

  • Cosmic Rays

    • Related Research

  • Mission Requirements

  • Mission Success

  • Mission Benefits

  • Expected Results

  • Subsystems

    • Layout

    • Power

    • Sensor

    • C&DH

  • Special

  • Requirements

    • Atmospheric

    • Port

  • Systems Layout

    • Block

    • Diagram

    • Schematic

    • Geiger Circuit

    • Corona

    • Discharge

    • Top View

    • Temp Sensors

    • GPS

  • Code Flow Chart

    • Code Explanation

    • Memory Budget

    • Sensor

    • Specifications

  • Test Plans

    • Flight Batteries

  • Parts List

    • Flight Hardware

    • Non-Flight/Sensors

  • Canister Compliance

  • Shared Canister

  • Management

    • Team

    • Timeline


Mission Success

  • Mission Overview

  • Narrative

  • Expectations

  • Cosmic Rays

    • Related Research

  • Mission Requirements

  • Mission Success

  • Mission Benefits

  • Expected Results

  • Subsystems

    • Layout

    • Power

    • Sensor

    • C&DH

  • Special

  • Requirements

    • Atmospheric

    • Port

  • Systems Layout

    • Block

    • Diagram

    • Schematic

    • Geiger Circuit

    • Corona

    • Discharge

    • Top View

    • Temp Sensors

    • GPS

  • Code Flow Chart

    • Code Explanation

    • Memory Budget

    • Sensor

    • Specifications

  • Test Plans

    • Flight Batteries

  • Parts List

    • Flight Hardware

    • Non-Flight/Sensors

  • Canister Compliance

  • Shared Canister

  • Management

    • Team

    • Timeline

Success for this mission is dependent on the performance of the Geiger counter. That is, an accurate measure of the total flux of the cosmic rays with respect to altitude.

  • Accurate Geiger counter data consists of:

  • Measuring Beta particles above 50 KeV.

  • Measuring Gamma particles above 5 KeV.

With accurate Geiger data we will be able to reproduce similar curve


Benefits

  • Mission Overview

  • Narrative

  • Expectations

  • Cosmic Rays

    • Related Research

  • Mission Requirements

  • Mission Success

  • Mission Benefits

  • Expected Results

  • Subsystems

    • Layout

    • Power

    • Sensor

    • C&DH

  • Special

  • Requirements

    • Atmospheric

    • Port

  • Systems Layout

    • Block

    • Diagram

    • Schematic

    • Geiger Circuit

    • Corona

    • Discharge

    • Top View

    • Temp Sensors

    • GPS

  • Code Flow Chart

    • Code Explanation

    • Memory Budget

    • Sensor

    • Specifications

  • Test Plans

    • Flight Batteries

  • Parts List

    • Flight Hardware

    • Non-Flight/Sensors

  • Canister Compliance

  • Shared Canister

  • Management

    • Team

    • Timeline

  • Comparison of data and efficiency with previous cosmic

  • ray measurements made with film and OSL badges.

  • UL Lafayette having an optimized Geiger circuit that will

  • be integrated into future experiments and into our own

  • High Power Rockets.

  • The optimized Geiger circuit will be developed into a kit

  • and function as an introduction to Balloon & Sounding

  • Rocket payloads to undergraduates and possibly used as

  • an outreach program as well.


Expected Results

  • Mission Overview

  • Narrative

  • Expectations

  • Cosmic Rays

    • Related Research

  • Mission Requirements

  • Mission Success

  • Mission Benefits

  • Expected Results

  • Subsystems

    • Layout

    • Power

    • Sensor

    • C&DH

  • Special

  • Requirements

    • Atmospheric

    • Port

  • Systems Layout

    • Block

    • Diagram

    • Schematic

    • Geiger Circuit

    • Corona

    • Discharge

    • Top View

    • Temp Sensors

    • GPS

  • Code Flow Chart

    • Code Explanation

    • Memory Budget

    • Sensor

    • Specifications

  • Test Plans

    • Flight Batteries

  • Parts List

    • Flight Hardware

    • Non-Flight/Sensors

  • Canister Compliance

  • Shared Canister

  • Management

    • Team

    • Timeline

Relevance

  • Comparison of data and efficiency with previous cosmic ray

    • measurements made with film and OSL badges.

  • UL Lafayette having an optimized Geiger circuit will be integrated

    • into a sub-system of a Probe that will be launch over and into thunderstorms in hopes to see if

      • Thunderstorms emit gamma radiation and

      • For the probe to collect vertical slices of the thunderstorm so it can be properly modeled and analyzed in hopes to further understand this phenomena and to reduce error in modeling.


Subsystems

  • Mission Overview

  • Narrative

  • Expectations

  • Cosmic Rays

    • Related Research

  • Mission Requirements

  • Mission Success

  • Mission Benefits

  • Expected Results

  • Subsystems

    • Layout

    • Power

    • Sensor

    • C&DH

  • Special

  • Requirements

    • Atmospheric

    • Port

  • Systems Layout

    • Block

    • Diagram

    • Schematic

    • Geiger Circuit

    • Corona

    • Discharge

    • Top View

    • Temp Sensors

    • GPS

  • Code Flow Chart

    • Code Explanation

    • Memory Budget

    • Sensor

    • Specifications

  • Test Plans

    • Flight Batteries

  • Parts List

    • Flight Hardware

    • Non-Flight/Sensors

  • Canister Compliance

  • Shared Canister

  • Management

    • Team

    • Timeline

  • Sensor Sub System

  • Temperature Sensor

  • Pressure Sensor

  • X & Y Axis Accelerometers

  • Z Axis Accelerometers

  • Geiger Counter Interface

  • GPS

  • Temperature PCB

  • Power Sub System

  • Activation

  • Power Regulation

  • Command and Data Handling

  • In-System Serial Programming (ISP)

  • Data Retrieval


Subsystems Layout

  • Mission Overview

  • Narrative

  • Expectations

  • Cosmic Rays

    • Related Research

  • Mission Requirements

  • Mission Success

  • Mission Benefits

  • Expected Results

  • Subsystems

    • Layout

    • Power

    • Sensor

    • C&DH

  • Special

  • Requirements

    • Atmospheric

    • Port

  • Systems Layout

    • Block

    • Diagram

    • Schematic

    • Geiger Circuit

    • Corona

    • Discharge

    • Top View

    • Temp Sensors

    • GPS

  • Code Flow Chart

    • Code Explanation

    • Memory Budget

    • Sensor

    • Specifications

  • Test Plans

    • Flight Batteries

  • Parts List

    • Flight Hardware

    • Non-Flight/Sensors

  • Canister Compliance

  • Shared Canister

  • Management

    • Team

    • Timeline

C&DH

subsystem

Sensor(s) subsystem

C&DH

subsystem

C&DH

Sensor(s) subsystem

Power subsystem


Power Subsystem

  • Payload will only activate if and only if the following conditions have been satisfied:

    • RBF Pin has been shorted.

    • A vertical acceleration has engaged the G-switch for a finite amount of time.

  • Only at this time will the payload become active and consume current.

  • Mission Overview

  • Narrative

  • Expectations

  • Cosmic Rays

    • Related Research

  • Mission Requirements

  • Mission Success

  • Mission Benefits

  • Expected Results

  • Subsystems

    • Layout

    • Power

    • Sensor

    • C&DH

  • Special

  • Requirements

    • Atmospheric

    • Port

  • Systems Layout

    • Block

    • Diagram

    • Schematic

    • Geiger Circuit

    • Corona

    • Discharge

    • Top View

    • Temp Sensors

    • GPS

  • Code Flow Chart

    • Code Explanation

    • Memory Budget

    • Sensor

    • Specifications

  • Test Plans

    • Flight Batteries

  • Parts List

    • Flight Hardware

    • Non-Flight/Sensors

  • Canister Compliance

  • Shared Canister

  • Management

    • Team

    • Timeline

The power subsystem will supply 3.3 V, 5 V, and 9 V to respective components on the micro controller board. These specific voltages can be traced in the provided schematic of the micro controller board and will also be broken down in the following subsystems.

All subsystems will operate with the ambient temperature inside the rocket.


Sensor Subsystem

  • Mission Overview

  • Narrative

  • Expectations

  • Cosmic Rays

    • Related Research

  • Mission Requirements

  • Mission Success

  • Mission Benefits

  • Expected Results

  • Subsystems

    • Layout

    • Power

    • Sensor

    • C&DH

  • Special

  • Requirements

    • Atmospheric

    • Port

  • Systems Layout

    • Block

    • Diagram

    • Schematic

    • Geiger Circuit

    • Corona

    • Discharge

    • Top View

    • Temp Sensors

    • GPS

  • Code Flow Chart

    • Code Explanation

    • Memory Budget

    • Sensor

    • Specifications

  • Test Plans

    • Flight Batteries

  • Parts List

    • Flight Hardware

    • Non-Flight/Sensors

  • Canister Compliance

  • Shared Canister

  • Management

    • Team

    • Timeline

The requirements for the sensor subsystem is rather self explanatory via the title of each sensor.

The sensors are sampled by the MCU’s timer which is set to a finite amount of time; the sampling time must be greater then the dead time of the Geiger Counter otherwise sampling of the Geiger counter will continually return 0 because the counter is unable to function.


Command & Data Handling Subsystem (C&DH)

  • Mission Overview

  • Narrative

  • Expectations

  • Cosmic Rays

    • Related Research

  • Mission Requirements

  • Mission Success

  • Mission Benefits

  • Expected Results

  • Subsystems

    • Layout

    • Power

    • Sensor

    • C&DH

  • Special

  • Requirements

    • Atmospheric

    • Port

  • Systems Layout

    • Block

    • Diagram

    • Schematic

    • Geiger Circuit

    • Corona

    • Discharge

    • Top View

    • Temp Sensors

    • GPS

  • Code Flow Chart

    • Code Explanation

    • Memory Budget

    • Sensor

    • Specifications

  • Test Plans

    • Flight Batteries

  • Parts List

    • Flight Hardware

    • Non-Flight/Sensors

  • Canister Compliance

  • Shared Canister

  • Management

    • Team

    • Timeline

  • The C&DH subsystem consists of:

  • 16 Mb flash memory

    • Will be updated to 32 Mb.

  • A level translator for data transfer

  • The micro controller ATmega32 (which later might be switched out

  • for the ATmega324P)

  • In-System Serial Programming (ISP)

  • Data Retrieval


Special Requirements

  • Mission Overview

  • Narrative

  • Expectations

  • Cosmic Rays

    • Related Research

  • Mission Requirements

  • Mission Success

  • Mission Benefits

  • Expected Results

  • Subsystems

    • Layout

    • Power

    • Sensor

    • C&DH

  • Special

  • Requirements

    • Atmospheric

    • Port

  • Systems Layout

    • Block

    • Diagram

    • Schematic

    • Geiger Circuit

    • Corona

    • Discharge

    • Top View

    • Temp Sensors

    • GPS

  • Code Flow Chart

    • Code Explanation

    • Memory Budget

    • Sensor

    • Specifications

  • Test Plans

    • Flight Batteries

  • Parts List

    • Flight Hardware

    • Non-Flight/Sensors

  • Canister Compliance

  • Shared Canister

  • Management

    • Team

    • Timeline

RockOn 2010 + RSPC Section

Payload Access Section

Motor

Adapter

RSPC Section

Nose Cone

PL1

PL2

PL3

PL4

PL5

PL6

PL7

PL8

PL9

Customer Manifest:

Team 1: RockOn 2010

Team 2: RockOn 2010

Team 3: RockOn 2010

Team 4: RockOn 2010/RSPC

Team 5: RSPC

Team 6: RSPC

Team 7: RSPC

Team 8: RSPC

Team 9: RSPC

Existing Ports:

1.) One optical and one pressure port in aft payload section.

2.) Four optical ports for each can in forward payload section.

3.) Three static ports for forward payload section.

4.) One dynamic (RAM) port for forward section.

Existing Atmospheric Port

Existing Optical Port


Special Requirements

  • Mission Overview

  • Narrative

  • Expectations

  • Cosmic Rays

    • Related Research

  • Mission Requirements

  • Mission Success

  • Mission Benefits

  • Expected Results

  • Subsystems

    • Layout

    • Power

    • Sensor

    • C&DH

  • Special

  • Requirements

    • Atmospheric

    • Port

  • Systems Layout

    • Block

    • Diagram

    • Schematic

    • Geiger Circuit

    • Corona

    • Discharge

    • Top View

    • Temp Sensors

    • GPS

  • Code Flow Chart

    • Code Explanation

    • Memory Budget

    • Sensor

    • Specifications

  • Test Plans

    • Flight Batteries

  • Parts List

    • Flight Hardware

    • Non-Flight/Sensors

  • Canister Compliance

  • Shared Canister

  • Management

    • Team

    • Timeline

  • Atmospheric Port(s)

  • Please specify more about the drop down line to the atmospheric/static ports I am still unsure of exactly how this is suppose to work.


Systems Layout

  • Mission Overview

  • Narrative

  • Expectations

  • Cosmic Rays

    • Related Research

  • Mission Requirements

  • Mission Success

  • Mission Benefits

  • Expected Results

  • Subsystems

    • Layout

    • Power

    • Sensor

    • C&DH

  • Special

  • Requirements

    • Atmospheric

    • Port

  • Systems Layout

    • Block

    • Diagram

    • Schematic

    • Geiger Circuit

    • Corona

    • Discharge

    • Top View

    • Temp Sensors

    • GPS

  • Code Flow Chart

    • Code Explanation

    • Memory Budget

    • Sensor

    • Specifications

  • Test Plans

    • Flight Batteries

  • Parts List

    • Flight Hardware

    • Non-Flight/Sensors

  • Canister Compliance

  • Shared Canister

  • Management

    • Team

    • Timeline


Functional Block Diagram

  • Mission Overview

  • Narrative

  • Expectations

  • Cosmic Rays

    • Related Research

  • Mission Requirements

  • Mission Success

  • Mission Benefits

  • Expected Results

  • Subsystems

    • Layout

    • Power

    • Sensor

    • C&DH

  • Special

  • Requirements

    • Atmospheric

    • Port

  • Systems Layout

    • Block

    • Diagram

    • Schematic

    • Geiger Circuit

    • Corona

    • Discharge

    • Top View

    • Temp Sensors

    • GPS

  • Code Flow Chart

    • Code Explanation

    • Memory Budget

    • Sensor

    • Specifications

  • Test Plans

    • Flight Batteries

  • Parts List

    • Flight Hardware

    • Non-Flight/Sensors

  • Canister Compliance

  • Shared Canister

  • Management

    • Team

    • Timeline


Schematic of RockOn 2008 AVR Board

  • Mission Overview

  • Narrative

  • Expectations

  • Cosmic Rays

    • Related Research

  • Mission Requirements

  • Mission Success

  • Mission Benefits

  • Expected Results

  • Subsystems

    • Layout

    • Power

    • Sensor

    • C&DH

  • Special

  • Requirements

    • Atmospheric

    • Port

  • Systems Layout

    • Block

    • Diagram

    • Schematic

    • Geiger Circuit

    • Corona

    • Discharge

    • Top View

    • Temp Sensors

    • GPS

  • Code Flow Chart

    • Code Explanation

    • Memory Budget

    • Sensor

    • Specifications

  • Test Plans

    • Flight Batteries

  • Parts List

    • Flight Hardware

    • Non-Flight/Sensors

  • Canister Compliance

  • Shared Canister

  • Management

    • Team

    • Timeline


Geiger Counter Circuit

  • Mission Overview

  • Narrative

  • Expectations

  • Cosmic Rays

    • Related Research

  • Mission Requirements

  • Mission Success

  • Mission Benefits

  • Expected Results

  • Subsystems

    • Layout

    • Power

    • Sensor

    • C&DH

  • Special

  • Requirements

    • Atmospheric

    • Port

  • Systems Layout

    • Block

    • Diagram

    • Schematic

    • Geiger Circuit

    • Corona

    • Discharge

    • Top View

    • Temp Sensors

    • GPS

  • Code Flow Chart

    • Code Explanation

    • Memory Budget

    • Sensor

    • Specifications

  • Test Plans

    • Flight Batteries

  • Parts List

    • Flight Hardware

    • Non-Flight/Sensors

  • Canister Compliance

  • Shared Canister

  • Management

    • Team

    • Timeline

Geiger-Muller Tube


Corona Discharge

Coronal discharge occurs in low pressure environments with high voltages present. The air around a high potential will become a conductor and emit a bluish glow (plasma). This plasma will cause adverse effects for the components as well as neighboring parts.

Corona is a process by which a current develops from an electrode with a high potential in a neutral fluid, air for instance, by ionizing that fluid so as to create a plasma around the electrode. The ions generated pass charge to nearby areas of lower potential, or recombine to form neutral gas molecules. In low pressure situations air is no longer a dielectric but a conductor thus allowing an electrical discharge or arching to occur.

Therefore a conformal coating to the board containing the high voltages is needed to prevent coronal discharge and will be applied to the Geiger counter circuit to prevent arching.

  • Mission Overview

  • Narrative

  • Expectations

  • Cosmic Rays

    • Related Research

  • Mission Requirements

  • Mission Success

  • Mission Benefits

  • Expected Results

  • Subsystems

    • Layout

    • Power

    • Sensor

    • C&DH

  • Special

  • Requirements

    • Atmospheric

    • Port

  • Systems Layout

    • Block

    • Diagram

    • Schematic

    • Geiger Circuit

    • Corona

    • Discharge

    • Top View

    • Temp Sensors

    • GPS

  • Code Flow Chart

    • Code Explanation

    • Memory Budget

    • Sensor

    • Specifications

  • Test Plans

    • Flight Batteries

  • Parts List

    • Flight Hardware

    • Non-Flight/Sensors

  • Canister Compliance

  • Shared Canister

  • Management

    • Team

    • Timeline


Top View of payload

  • Mission Overview

  • Narrative

  • Expectations

  • Cosmic Rays

    • Related Research

  • Mission Requirements

  • Mission Success

  • Mission Benefits

  • Expected Results

  • Subsystems

    • Layout

    • Power

    • Sensor

    • C&DH

  • Special

  • Requirements

    • Atmospheric

    • Port

  • Systems Layout

    • Block

    • Diagram

    • Schematic

    • Geiger Circuit

    • Corona

    • Discharge

    • Top View

    • Temp Sensors

    • GPS

  • Code Flow Chart

    • Code Explanation

    • Memory Budget

    • Sensor

    • Specifications

  • Test Plans

    • Flight Batteries

  • Parts List

    • Flight Hardware

    • Non-Flight/Sensors

  • Canister Compliance

  • Shared Canister

  • Management

    • Team

    • Timeline


Temperature Sensor(s)

  • Mission Overview

  • Narrative

  • Expectations

  • Cosmic Rays

    • Related Research

  • Mission Requirements

  • Mission Success

  • Mission Benefits

  • Expected Results

  • Subsystems

    • Layout

    • Power

    • Sensor

    • C&DH

  • Special

  • Requirements

    • Atmospheric

    • Port

  • Systems Layout

    • Block

    • Diagram

    • Schematic

    • Geiger Circuit

    • Corona

    • Discharge

    • Top View

    • Temp Sensors

    • GPS

  • Code Flow Chart

    • Code Explanation

    • Memory Budget

    • Sensor

    • Specifications

  • Test Plans

    • Flight Batteries

  • Parts List

    • Flight Hardware

    • Non-Flight/Sensors

  • Canister Compliance

  • Shared Canister

  • Management

    • Team

    • Timeline

  • Small array of Temperature sensors serially connected and mounted in various spaces with either tape or adhesive

  • One on skin of rocket

  • One on Canister

  • One near or on mica window


GPS Receiver

  • Mission Overview

  • Narrative

  • Expectations

  • Cosmic Rays

    • Related Research

  • Mission Requirements

  • Mission Success

  • Mission Benefits

  • Expected Results

  • Subsystems

    • Layout

    • Power

    • Sensor

    • C&DH

  • Special

  • Requirements

    • Atmospheric

    • Port

  • Systems Layout

    • Block

    • Diagram

    • Schematic

    • Geiger Circuit

    • Corona

    • Discharge

    • Top View

    • Temp Sensors

    • GPS

  • Code Flow Chart

    • Code Explanation

    • Memory Budget

    • Sensor

    • Specifications

  • Test Plans

    • Flight Batteries

  • Parts List

    • Flight Hardware

    • Non-Flight/Sensors

  • Canister Compliance

  • Shared Canister

  • Management

    • Team

    • Timeline

VENUS634FLPx

  • 51 Channel Acquisition and 14 channel tracking

  • 10Hz max update rate

  • Hot start 1 second

  • Cold start 29 seconds

  • Supports active or passive antenna

  • Data logging with external SPI serial Flash

  • 10 mm x 10 mm x 1.1 mm footprint


Code Flow Chart

  • Code Flow assumes:

  • G-Switch has been triggered

  • RBF pin has been shorten

  • Mission Overview

  • Narrative

  • Expectations

  • Cosmic Rays

    • Related Research

  • Mission Requirements

  • Mission Success

  • Mission Benefits

  • Expected Results

  • Subsystems

    • Layout

    • Power

    • Sensor

    • C&DH

  • Special

  • Requirements

    • Atmospheric

    • Port

  • Systems Layout

    • Block

    • Diagram

    • Schematic

    • Geiger Circuit

    • Corona

    • Discharge

    • Top View

    • Temp Sensors

    • GPS

  • Code Flow Chart

    • Code Explanation

    • Memory Budget

    • Sensor

    • Specifications

  • Test Plans

    • Flight Batteries

  • Parts List

    • Flight Hardware

    • Non-Flight/Sensors

  • Canister Compliance

  • Shared Canister

  • Management

    • Team

    • Timeline

  • Payload States:

  • Safe

  • Armed & Idle

  • Active

Returns True

Returns Fail


Code Flow Explanation

  • The program main initializes the system by initializing the

  • included libraries and interrupts.

  • Next the ISMP is checked board connections to either program or

  • retrieve data.

  • The memory write protection latch is checked.

  • MCU’s timer is set up to sample the sensors for a specified time.

  • MCU’s timer is engaged.

  • The sensors are sampled at a specified interval set by timer

    • Converting the Analog signal to a Digital Signal.

  • The sensor data is then written to memory.

  • The Z-accelerometer latch is checked to confirm activation.

    • If activation returns True, then memory write protection

    • latch is closed.

    • If the Z accelerometer latch detects a false detection then

    • the loop will terminate, the memory write protection latch

    • will remain open and system will go IDLE.

  • LED is updated and gives visual cue of activation or not.

  • Mission Overview

  • Narrative

  • Expectations

  • Cosmic Rays

    • Related Research

  • Mission Requirements

  • Mission Success

  • Mission Benefits

  • Expected Results

  • Subsystems

    • Layout

    • Power

    • Sensor

    • C&DH

  • Special

  • Requirements

    • Atmospheric

    • Port

  • Systems Layout

    • Block

    • Diagram

    • Schematic

    • Geiger Circuit

    • Corona

    • Discharge

    • Top View

    • Temp Sensors

    • GPS

  • Code Flow Chart

    • Code Explanation

    • Memory Budget

    • Sensor

    • Specifications

  • Test Plans

    • Flight Batteries

  • Parts List

    • Flight Hardware

    • Non-Flight/Sensors

  • Canister Compliance

  • Shared Canister

  • Management

    • Team

    • Timeline

These actions are then repeated if activation is detected.


Memory Budget

  • Mission Overview

  • Narrative

  • Expectations

  • Cosmic Rays

    • Related Research

  • Mission Requirements

  • Mission Success

  • Mission Benefits

  • Expected Results

  • Subsystems

    • Layout

    • Power

    • Sensor

    • C&DH

  • Special

  • Requirements

    • Atmospheric

    • Port

  • Systems Layout

    • Block

    • Diagram

    • Schematic

    • Geiger Circuit

    • Corona

    • Discharge

    • Top View

    • Temp Sensors

    • GPS

  • Code Flow Chart

    • Code Explanation

    • Memory Budget

    • Sensor

    • Specifications

  • Test Plans

    • Flight Batteries

  • Parts List

    • Flight Hardware

    • Non-Flight/Sensors

  • Canister Compliance

  • Shared Canister

  • Management

    • Team

    • Timeline

Data will be stored on the onboard flash memory which is located on the MCU board.

Data is collected from the sensors via the ADC channels of the MCU and then processed through the level translator and sent to flash memory.

The sample function is a strut which collects data from each sensor when called in the MAIN in conjunction with the MCU timer, the function samples data.

The MAIN then enters into a loop where it continuously flushes the sample strut to memory after the specified sample time; i.e. every 50 ms the sensors are sampled and flushed to memory.


Sensor Specifications

Single-Axis, High-g MEMS Accelerometer: ADXL78

  • Mission Overview

  • Narrative

  • Expectations

  • Cosmic Rays

    • Related Research

  • Mission Requirements

  • Mission Success

  • Mission Benefits

  • Expected Results

  • Subsystems

    • Layout

    • Power

    • Sensor

    • C&DH

  • Special

  • Requirements

    • Atmospheric

    • Port

  • Systems Layout

    • Block

    • Diagram

    • Schematic

    • Geiger Circuit

    • Corona

    • Discharge

    • Top View

    • Temp Sensors

    • GPS

  • Code Flow Chart

    • Code Explanation

    • Memory Budget

    • Sensor

    • Specifications

  • Test Plans

    • Flight Batteries

  • Parts List

    • Flight Hardware

    • Non-Flight/Sensors

  • Canister Compliance

  • Shared Canister

  • Management

    • Team

    • Timeline

Single/Dual Axis Accelerometer: ADXL103/ADXL203


Sensor Specifications

Dual-Axis, High-g: ADXL278

  • Mission Overview

  • Narrative

  • Expectations

  • Cosmic Rays

    • Related Research

  • Mission Requirements

  • Mission Success

  • Mission Benefits

  • Expected Results

  • Subsystems

    • Layout

    • Power

    • Sensor

    • C&DH

  • Special

  • Requirements

    • Atmospheric

    • Port

  • Systems Layout

    • Block

    • Diagram

    • Schematic

    • Geiger Circuit

    • Corona

    • Discharge

    • Top View

    • Temp Sensors

    • GPS

  • Code Flow Chart

    • Code Explanation

    • Memory Budget

    • Sensor

    • Specifications

  • Test Plans

    • Flight Batteries

  • Parts List

    • Flight Hardware

    • Non-Flight/Sensors

  • Canister Compliance

  • Shared Canister

  • Management

    • Team

    • Timeline

Pressure sensor ASDX series


Sensor Specifications

  • Mission Overview

  • Narrative

  • Expectations

  • Cosmic Rays

    • Related Research

  • Mission Requirements

  • Mission Success

  • Mission Benefits

  • Expected Results

  • Subsystems

    • Layout

    • Power

    • Sensor

    • C&DH

  • Special

  • Requirements

    • Atmospheric

    • Port

  • Systems Layout

    • Block

    • Diagram

    • Schematic

    • Geiger Circuit

    • Corona

    • Discharge

    • Top View

    • Temp Sensors

    • GPS

  • Code Flow Chart

    • Code Explanation

    • Memory Budget

    • Sensor

    • Specifications

  • Test Plans

    • Flight Batteries

  • Parts List

    • Flight Hardware

    • Non-Flight/Sensors

  • Canister Compliance

  • Shared Canister

  • Management

    • Team

    • Timeline

LM50 SOT-23 Temperature Sensor

16-megabit data flash memory


Sensor Specifications

LM2937 500mA Low Dropout Regulator

  • Mission Overview

  • Narrative

  • Expectations

  • Cosmic Rays

    • Related Research

  • Mission Requirements

  • Mission Success

  • Mission Benefits

  • Expected Results

  • Subsystems

    • Layout

    • Power

    • Sensor

    • C&DH

  • Special

  • Requirements

    • Atmospheric

    • Port

  • Systems Layout

    • Block

    • Diagram

    • Schematic

    • Geiger Circuit

    • Corona

    • Discharge

    • Top View

    • Temp Sensors

    • GPS

  • Code Flow Chart

    • Code Explanation

    • Memory Budget

    • Sensor

    • Specifications

  • Test Plans

    • Flight Batteries

  • Parts List

    • Flight Hardware

    • Non-Flight/Sensors

  • Canister Compliance

  • Shared Canister

  • Management

    • Team

    • Timeline

Maxim Low-Voltage Level translator


Sensor Specifications

MAXIMUM RATINGS

NPN Transistor: MPS2222A

  • Mission Overview

  • Narrative

  • Expectations

  • Cosmic Rays

    • Related Research

  • Mission Requirements

  • Mission Success

  • Mission Benefits

  • Expected Results

  • Subsystems

    • Layout

    • Power

    • Sensor

    • C&DH

  • Special

  • Requirements

    • Atmospheric

    • Port

  • Systems Layout

    • Block

    • Diagram

    • Schematic

    • Geiger Circuit

    • Corona

    • Discharge

    • Top View

    • Temp Sensors

    • GPS

  • Code Flow Chart

    • Code Explanation

    • Memory Budget

    • Sensor

    • Specifications

  • Test Plans

    • Flight Batteries

  • Parts List

    • Flight Hardware

    • Non-Flight/Sensors

  • Canister Compliance

  • Shared Canister

  • Management

    • Team

    • Timeline

Ultra Fast Diode: 1N4454


Sensor Specifications

IRF9Z14PbF PNP Transistor

  • Mission Overview

  • Narrative

  • Expectations

  • Cosmic Rays

    • Related Research

  • Mission Requirements

  • Mission Success

  • Mission Benefits

  • Expected Results

  • Subsystems

    • Layout

    • Power

    • Sensor

    • C&DH

  • Special

  • Requirements

    • Atmospheric

    • Port

  • Systems Layout

    • Block

    • Diagram

    • Schematic

    • Geiger Circuit

    • Corona

    • Discharge

    • Top View

    • Temp Sensors

    • GPS

  • Code Flow Chart

    • Code Explanation

    • Memory Budget

    • Sensor

    • Specifications

  • Test Plans

    • Flight Batteries

  • Parts List

    • Flight Hardware

    • Non-Flight/Sensors

  • Canister Compliance

  • Shared Canister

  • Management

    • Team

    • Timeline

Absolute Maximum Ratings


Test Plans

Testing Protocol before Delivery

  • Mission Overview

  • Narrative

  • Expectations

  • Cosmic Rays

    • Related Research

  • Mission Requirements

  • Mission Success

  • Mission Benefits

  • Expected Results

  • Subsystems

    • Layout

    • Power

    • Sensor

    • C&DH

  • Special

  • Requirements

    • Atmospheric

    • Port

  • Systems Layout

    • Block

    • Diagram

    • Schematic

    • Geiger Circuit

    • Corona

    • Discharge

    • Top View

    • Temp Sensors

    • GPS

  • Code Flow Chart

    • Code Explanation

    • Memory Budget

    • Sensor

    • Specifications

  • Test Plans

    • Flight Batteries

  • Parts List

    • Flight Hardware

    • Non-Flight/Sensors

  • Canister Compliance

  • Shared Canister

  • Management

    • Team

    • Timeline

  • Payload will be tested in following ways

  • Cold/Heat Test

  • Vacuum Test

  • Shock Test

  • Life Test

Cold/Vacuum Test

Shock/Stress Testing


Test Plans

Testing pre-flight at delivery

  • Mission Overview

  • Narrative

  • Expectations

  • Cosmic Rays

    • Related Research

  • Mission Requirements

  • Mission Success

  • Mission Benefits

  • Expected Results

  • Subsystems

    • Layout

    • Power

    • Sensor

    • C&DH

  • Special

  • Requirements

    • Atmospheric

    • Port

  • Systems Layout

    • Block

    • Diagram

    • Schematic

    • Geiger Circuit

    • Corona

    • Discharge

    • Top View

    • Temp Sensors

    • GPS

  • Code Flow Chart

    • Code Explanation

    • Memory Budget

    • Sensor

    • Specifications

  • Test Plans

    • Flight Batteries

  • Parts List

    • Flight Hardware

    • Non-Flight/Sensors

  • Canister Compliance

  • Shared Canister

  • Management

    • Team

    • Timeline

  • The payload will be ready to go under any environmental

  • testing simulating temperatures from -60°C to 100°C.

  • Also the payload will be ready for any shock testing that

  • Wallops may want to perform on their shaker tables.

  • The payload will also be able to undergo pressure (vacuum)

  • testing.

The flight batteries will not be used during any/all testing. Flight batteries are only to be installed during final canister integration.


Flight Batteries

  • Mission Overview

  • Narrative

  • Expectations

  • Cosmic Rays

    • Related Research

  • Mission Requirements

  • Mission Success

  • Mission Benefits

  • Expected Results

  • Subsystems

    • Layout

    • Power

    • Sensor

    • C&DH

  • Special

  • Requirements

    • Atmospheric

    • Port

  • Systems Layout

    • Block

    • Diagram

    • Schematic

    • Geiger Circuit

    • Corona

    • Discharge

    • Top View

    • Temp Sensors

    • GPS

  • Code Flow Chart

    • Code Explanation

    • Memory Budget

    • Sensor

    • Specifications

  • Test Plans

    • Flight Batteries

  • Parts List

    • Flight Hardware

    • Non-Flight/Sensors

  • Canister Compliance

  • Shared Canister

  • Management

    • Team

    • Timeline


Parts List

Flight Hardware

  • Mission Overview

  • Narrative

  • Expectations

  • Cosmic Rays

    • Related Research

  • Mission Requirements

  • Mission Success

  • Mission Benefits

  • Expected Results

  • Subsystems

    • Layout

    • Power

    • Sensor

    • C&DH

  • Special

  • Requirements

    • Atmospheric

    • Port

  • Systems Layout

    • Block

    • Diagram

    • Schematic

    • Geiger Circuit

    • Corona

    • Discharge

    • Top View

    • Temp Sensors

    • GPS

  • Code Flow Chart

    • Code Explanation

    • Memory Budget

    • Sensor

    • Specifications

  • Test Plans

    • Flight Batteries

  • Parts List

    • Flight Hardware

    • Non-Flight/Sensors

  • Canister Compliance

  • Shared Canister

  • Management

    • Team

    • Timeline


Parts List

Non-Flight Hardware

  • Mission Overview

  • Narrative

  • Expectations

  • Cosmic Rays

    • Related Research

  • Mission Requirements

  • Mission Success

  • Mission Benefits

  • Expected Results

  • Subsystems

    • Layout

    • Power

    • Sensor

    • C&DH

  • Special

  • Requirements

    • Atmospheric

    • Port

  • Systems Layout

    • Block

    • Diagram

    • Schematic

    • Geiger Circuit

    • Corona

    • Discharge

    • Top View

    • Temp Sensors

    • GPS

  • Code Flow Chart

    • Code Explanation

    • Memory Budget

    • Sensor

    • Specifications

  • Test Plans

    • Flight Batteries

  • Parts List

    • Flight Hardware

    • Non-Flight/Sensors

  • Canister Compliance

  • Shared Canister

  • Management

    • Team

    • Timeline

Sensors


Canister Compliance

  • Mission Overview

  • Narrative

  • Expectations

  • Cosmic Rays

    • Related Research

  • Mission Requirements

  • Mission Success

  • Mission Benefits

  • Expected Results

  • Subsystems

    • Layout

    • Power

    • Sensor

    • C&DH

  • Special

  • Requirements

    • Atmospheric

    • Port

  • Systems Layout

    • Block

    • Diagram

    • Schematic

    • Geiger Circuit

    • Corona

    • Discharge

    • Top View

    • Temp Sensors

    • GPS

  • Code Flow Chart

    • Code Explanation

    • Memory Budget

    • Sensor

    • Specifications

  • Test Plans

    • Flight Batteries

  • Parts List

    • Flight Hardware

    • Non-Flight/Sensors

  • Canister Compliance

  • Shared Canister

  • Management

    • Team

    • Timeline

  • Payload will only activate if and only if the following conditions have been satisfied:

    • RBF Pin has been shorted.

    • A vertical acceleration has engaged the G-switch for a finite amount of time.

  • Only at this time will the payload become active and consume current.


Logistics of Shared Canister

  • Mission Overview

  • Narrative

  • Expectations

  • Cosmic Rays

    • Related Research

  • Mission Requirements

  • Mission Success

  • Mission Benefits

  • Expected Results

  • Subsystems

    • Layout

    • Power

    • Sensor

    • C&DH

  • Special

  • Requirements

    • Atmospheric

    • Port

  • Systems Layout

    • Block

    • Diagram

    • Schematic

    • Geiger Circuit

    • Corona

    • Discharge

    • Top View

    • Temp Sensors

    • GPS

  • Code Flow Chart

    • Code Explanation

    • Memory Budget

    • Sensor

    • Specifications

  • Test Plans

    • Flight Batteries

  • Parts List

    • Flight Hardware

    • Non-Flight/Sensors

  • Canister Compliance

  • Shared Canister

  • Management

    • Team

    • Timeline

  • UL Lafayette

    • Expansion of RockOn 2008 with improved Geiger Counter, GPS, and other modifications.

  • West Virginia

    • Multi-Instrumental payload measuring Ionosphere density, the magnetic field, and ambient temperature.

  • Temple

    • Payload consists of a vibration isolation (damping) mechanism.


Team Management

  • Mission Overview

  • Narrative

  • Expectations

  • Cosmic Rays

    • Related Research

  • Mission Requirements

  • Mission Success

  • Mission Benefits

  • Expected Results

  • Subsystems

    • Layout

    • Power

    • Sensor

    • C&DH

  • Special

  • Requirements

    • Atmospheric

    • Port

  • Systems Layout

    • Block

    • Diagram

    • Schematic

    • Geiger Circuit

    • Corona

    • Discharge

    • Top View

    • Temp Sensors

    • GPS

  • Code Flow Chart

    • Code Explanation

    • Memory Budget

    • Sensor

    • Specifications

  • Test Plans

    • Flight Batteries

  • Parts List

    • Flight Hardware

    • Non-Flight/Sensors

  • Canister Compliance

  • Shared Canister

  • Management

    • Team

    • Timeline


Timeline for project completion

  • Mission Overview

  • Narrative

  • Expectations

  • Cosmic Rays

    • Related Research

  • Mission Requirements

  • Mission Success

  • Mission Benefits

  • Expected Results

  • Subsystems

    • Layout

    • Power

    • Sensor

    • C&DH

  • Special

  • Requirements

    • Atmospheric

    • Port

  • Systems Layout

    • Block

    • Diagram

    • Schematic

    • Geiger Circuit

    • Corona

    • Discharge

    • Top View

    • Temp Sensors

    • GPS

  • Code Flow Chart

    • Code Explanation

    • Memory Budget

    • Sensor

    • Specifications

  • Test Plans

    • Flight Batteries

  • Parts List

    • Flight Hardware

    • Non-Flight/Sensors

  • Canister Compliance

  • Shared Canister

  • Management

    • Team

    • Timeline


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