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Temperature Sensing for Un-tethered Rodents

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Statement of the Problem


Background

 

This project aims to aid Professor Bittman’s lab in the Biology Department at the University of Massachusetts Amherst in their study of circadian rhythms in un-tethered rodents.  The circadian rhythm is generated by a biological clock, primarily entrained by sunlight, which regulates many biological processes in both plants and animals.  In conducting experiments on circadian rhythms, Dr. Bittman would like to monitor the body temperatures of un-tethered rodents over an extended period of time.  The goal of this project is to design and prototype such a temperature monitoring system.

 

Design

 

Following is a functional description of the design:

 

  • Design and prototype must be delivered in approximately 7 months.

 

  • The solution is cost effective.

 

  • The prototype is reusable.

 

  • The prototype can record temperatures ranging from 36-40 degrees Celsius.

 

  • The device must be accurate to within a tenth (0.1) of a degree Celsius.

 

  • Prototype must be housed in sterile casing.

 

  • Prototype should not interfere with the animals’ biological processes, thus corrupting the data acquired.

 

  • The prototype must be capable of sampling and recording temperature every 30-60 minutes. Ideally, 10 min intervals could be used.

 

  • Temperature readings will be collected and transmitted via communication link (TBD) to a PC.

 

  • GUI will be used to interface with the prototype and display temperature data acquired by prototype.

 

  • GUI will be used to specify the period of sampling and the rate of sampling of the prototype.

 

  • The final prototype will include necessary documentation that will aid the client in using the prototype correctly.

 

  • The prototype will have the ability to measure core or epidermal temperature.

 

  • Prototype is imbedded (invasive surgery required) in rodent to measure core temperature.

Deliverables

 

The Team will deliver a functioning prototype and fulfills the requirements stated above to the Biology department at the University of Massachusetts Amherst to further their research on circadian rhythms.  The team will deliver software to accompany the prototype. A docking mechanism and connecting cables will also be provided to interface the prototype with the software. Necessary documentation and training will be provided on how to use the prototype and accompanying software.

 

 

Updated: 11-04-05

 

 

Statement of the Problem

Requirements Specification

System Block Diagram

Draft System Specification

Preliminary Design Review (PDR) Presentation Slides

Mid-course Design Review (MDR) Specification

 

 

 

 

UMass Amherst

College of Engineering

ECE

SDP06