Rocket Tracking and Recovery Rocket Men Terry Ngin Bryant Lam 1 - - PowerPoint PPT Presentation

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Mar 21, 2023 264 likes •382 views

EEL4924 Senior Design (Su09) Date: August 4, 2009 Rocket Tracking and Recovery Rocket Men Terry Ngin Bryant Lam 1 Project Overview Our project consists of circuitry mounted within a lightning-triggering rocket that will record raw data

SLIDE 1

Rocket Tracking and Recovery Rocket Men

Terry Ngin Bryant Lam

EEL4924 Senior Design (Su09) Date: August 4, 2009

SLIDE 2

Project Overview

Our project consists of circuitry mounted within a lightning-triggering rocket that will record raw data about the orientation and acceleration of the rocket. In addition, the number of and time interval between luminous precursor pulses will also be recorded. When the rocket has completed its flight, the circuitry will blink LEDs to aid in the rocket's recovery.

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Technical Objectives

The system needs to sample at 100 samples/sec
These samples will be stored in RAM, for speed, then

transferred to non-volatile memory—a microSD card—for long-term storage

To aid in the recovery of the rocket:

– A clear payload bay was constructed, within which LEDs will be visible.

The system needs to be able to run for a long time from

batteries while waiting for launch conditions and while waiting for recovery

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Additional Considerations

Faraday cage around the electronics to

protect them from lightning

Padding to protect the electronics from

forces encountered when launching and landing

SLIDE 5

ADIS16350AMLZ

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FRAM

Ferroelectric RAM that is used to quickly and temporarily store the sample data before moving it to non-volatile removable memory.

SLIDE 7

uDRIVE-uSD-G1

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Photodiode Circuitry

Resistor converts photodiode current to voltage, which is amplified as needed and read into the microcontroller.

SLIDE 9

LED Recovery System

LEDs set up to

draw about 30mA

Controlled by a

MOSFET switch

SLIDE 10

Bill of Materials

Component Quantity Price Our cost ADIS16350AMLZ 1 $500.00 $0.00 FRAM 1 $6.20 $0.00 1 $37.95 $0.00 Miscellaneous

$5.00

$5.00 1 $40.00 $0.00 ATmega32 1 $4.84 $4.84 LEDs 4 $1.50 $6.00 Batteries 2 $3.00 $6.00 5V step-up 1 $11.00 $11.00 Tube coupler 1 $3.25 $3.25 Payload tube 1 $5.62 $5.62 Total $618.36 $41.71 uDrive Photodiode

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Future Improvements

Different component to obtain inertial data

– Current gyroscope very expensive, bulky

Alternate method to trigger recording

– Waiting for an acceleration spike eats up too much battery life – Acceleration switch? Remote trigger?

Different rocket locating system