Project Team: Nicholas Parrott, Erick Janampa ECE Faculty Advisor: Dr. John R. LaCourse Current Date: October 28, 2010 Project Completion Date: April, 2010 Instrumented Workboot

Problem Background  Health problems related to entering and exiting industrial sized trucks and equipment.  Solution:  Develop an Instrumented Workboot  Generate meaningful data for medical professionals

Project Definition The goal of this project is to develop an instrumented work boot that will measure and record impact forces and trajectories associated with foot contact.

Specific Design Objectives Input x(t) Data Collection Signal Analysis Graphical Display Output y(t)

Implementation  Block Diagram of System Implementation

Part 1: Data Collection  Force Sensing Resistors (FSR’s)  Accelerometer  Amplification  A/D Converter

Force Sensor Driver Circuit

Part 2: Signal Analysis  Sampling  Analog  Digital  Microcontroller  ADC/Memory

Part 3: Graphical User Interface  To display collected data  User-friendly  Three Force vs. Time graphs  Real time display

Part 3: Graphical User Interface  Expected Output of Force vs. Time

Testing  Determining the placement of the sensors  Data measured and recorded when user steps down  Calibration  Analog vs. Digital

Estimated Timeline – Fall Semester

Estimated Timeline – Spring Semester

Budget Projection Budget Estimates Item(s)Cost Sensor Package$117 Monolithic Op Amp (Driver Circuit)$0.44 9v Battery$2 Microcontroller and Components$50 Work Boots$75 Total Cost$244.44

Questions?