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Cow Power MOM (Monitoring and Operating Module). Asa Parker Geovanny Rodriguez Jase Skellie. CVPS Contacts: David Dunn Rob Nelson. Faculty Mentor: Josh Bongard. CVPS Cow Power ™. A renewable energy program that supports Vermont dairy farms

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Asa Parker Geovanny Rodriguez Jase Skellie

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Asa parker geovanny rodriguez jase skellie

Cow Power MOM(Monitoring and Operating Module)

Asa Parker

Geovanny Rodriguez

Jase Skellie

CVPS Contacts:

David Dunn

Rob Nelson

Faculty Mentor:

Josh Bongard


Cvps cow power

CVPS Cow Power™

  • A renewable energy program that supports Vermont dairy farms

  • On-site electricity generators run on methane from cow manure

  • Four farms produce 8 million KWh annually

    (enough for about 750 homes)

  • Provides a new income stream for farmers, while reducing manure odor and water quality impacts


How digesters work

How digesters work…


Our project at green mountain dairy

Our Project at Green Mountain Dairy

  • Collects system data from digester and displays it in farm office (~ 750 feet away)

  • Has an alarm system that notifies someone when there is a problem with the system (cell phone call)


The original problem

The Original Problem…

  • Monitoring system = manual inspection sensors

  • Many components can shut the system down – locating the problem is difficult

  • Adjusting generator output is a manual task learned through experience


Design goals

Design Goals

  • Display system data remotely

  • Gather necessary data to automate generator output adjustments

  • Create a self-diagnostic alarm system to alert someone when there is a problem


Other goals the solution needs to be

Other GoalsThe solution needs to be:

  • Adaptable and expandable

  • User-friendly and appealing

  • Reliable – farmers need to trust the system


Discarded design concepts

Discarded Design Concepts

Tablets

Function: system data is displayed on tablet PCs, carried by farm workers

Drawbacks: burdensome, reliability (range, battery life)

Fax

Function: system data is faxed to office at regular intervals

Drawbacks: little improvement over existing solution, no alarm


Asa parker geovanny rodriguez jase skellie

Smartphone

Function: system data is displayed on smartphone, carried by farm workers

Drawbacks: Expensive monthly access fees

Web Site

Function: system data is served to a Web site, accessible anywhere

Drawbacks: limited alarming capability, security issues


Design road map

Design Road Map

October 25, 2007:

Final Concept


Design road map1

Design Road Map

October 25, 2007:

Final Concept

December 12, 2007:

Autodialer discovered


Design road map2

Design Road Map

October 25, 2007:

Final Concept

December 13, 2007:

PLC & QuickPanel quote received

December 12, 2007:

Autodialer discovered


Design road map3

Design Road Map

October 25, 2007:

Final Concept

December 13, 2007:

PLC & QuickPanel quote received

February 18, 2008:

We’re going to need lots of help!

December 12, 2007:

Autodialer discovered


Design road map4

Design Road Map

March 27, 2008:

Flow meters won’t work

October 25, 2007:

Final Concept

December 13, 2007:

PLC & QuickPanel quote received

February 18, 2008:

We’re going to need lots of help!

December 12, 2007:

Autodialer discovered


Design road map5

Design Road Map

March 27, 2008:

Flow meters won’t work

October 25, 2007:

Final Concept

December 13, 2007:

PLC & QuickPanel quote received

April 4, 2008:

Watlow sensors don’t have outputs

February 18, 2008:

We’re going to need lots of help!

December 12, 2007:

Autodialer discovered


Design road map6

Design Road Map

April 15, 2008:

Success!!! Proof of Concept

March 27, 2008:

Flow meters won’t work

October 25, 2007:

Final Concept

December 13, 2007:

PLC & QuickPanel quote received

April 4, 2008:

Watlow sensors don’t have outputs

February 18, 2008:

We’re going to need lots of help!

December 12, 2007:

Autodialer discovered


Our design

Our Design


Asa parker geovanny rodriguez jase skellie

  • The “brain” of the installed system

  • All sensor outputs collected here


Asa parker geovanny rodriguez jase skellie

  • Sensitive to low flow rates, low pressure

  • Insertion style – least invasive, easy to install


Asa parker geovanny rodriguez jase skellie

  • PLC = Programmable Logic Controller

  • Robust, Industrial strength computer


Asa parker geovanny rodriguez jase skellie

  • Combines visualization and control (like a PC)

  • No hard drive, no moving parts = more reliable


Asa parker geovanny rodriguez jase skellie

  • Converts text strings to speech

  • Automatically makes phone calls


Asa parker geovanny rodriguez jase skellie

  • Range = 2 miles

  • Eliminated the need to bury 750 feet of cable


Asa parker geovanny rodriguez jase skellie

  • Noting special, just an old PC

  • Only job is to display QuickPanel screenshot

  • System is completely functional without it


What we would do next

What we would do next…

  • Fully integrate our project into the existing digester system

  • Add sensors

  • Set up a database/Web site


Lessons learned

Lessons Learned

  • Don’t be afraid to change a design

  • The most simple things can turn out to be the most complicated (and vice versa)

  • Don’t expect to get help from a company unless you:

    • Give them money

    • Pretend like you’re going to buy something from them


A special thanks

A Special Thanks

Robinson Sales, INC.

The LEEN Company

Kevin Mahoney

Dave Dunn and Rob Nelson

Josh Bongard

Bill Rowell, owner of GMD


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