ROCK IT ROCKE

Temple UniversityAdvisors: Dr. John Helferty & Dr.

Shriram PillapakkamCharles Wright

Jinyan ChenBilly Cheng

Brittany Gray

1

Objectives Design, Build, And Test A

Vibration Suppression System To Counteract Launch Vehicle Vibrations

Measure The Vibration Environment Inside The Terrier-Orion RocketWill Use Two Identical Vibration

Measurement Systems○ A Custom Built Passive Damping

System○ Rigidly Attached System

Compare The Designed Passive System Vs. The Rigidly Mounted Undamped System

2

Review Of Last Year’s Launch Data

Review Of Last Year’s Launch Data

4

1st phase boost

2nd phase boost

Anomoly?

Chute deployZ High range acceleration

Design problem is to reduce these spikes on both graphs

Review Of Last Year’s Launch Data

5

Benefits

Efficient Vibration Isolation Systems For Small PayloadsIncreased Operational Performance Of

Onboard Sensing EquipmentBetter Protection Of The Sensing

Equipment

6

Concept Of Operations

Rocket Launch

G-SwitchActivated

RBF Wires Connected

Z AccelerometersActivated

MicrocontrollerActivated

Flash Memory Activated

Level TranslatorActivated

Rocket Splash

Payload Retrieval

System Deactivated

7

Structural Drawing

8

Final Payload

9

System Schematics

10

Main BoardConsists Power

Supply SystemBasic Stamp

MicrocontrollerExternal ADC,

Memory

System Schematics

Z-Axis AcclerometersConsists Of Hi-G

And Precision Accelerometer

11

Structure

Two Plates Containing Identical Electronic Equipment On Each

Comparison Of The Designed Vibration System With That Of A Rigidly Mounted Identical Measurement System

12

Subsystem Requirements Power (For Each Identical System)

Two 9V Lithium Ion Batteries Connected In Parallel

Provides Continuous Power Throughout Entire Flight

Voltage Regulators Will Step Voltage Down To 5 And 3.3V

13

Data Storage Overview

14

Analog Data (Sensors)

Data Flash 16Mbits =

2MB

ADC

Microprocessor

Memory Buffer

Write

Memory Dump (PC)

Memory Flush

And After a Year of Dealing With Shawn Carroll This is How We Feel!

15

THANK

YOU!