Progress Report 8 EEG Biofeedback System BME 400 November 2 2006 November 9 2006 Client Daniel Muller MD PhD Team Members Cullen Rotroff Leader Communicator Prakash Rao Leader Communicator Joe Hippensteel BSAC Andrew Eley BWIG Problem Statement The goal of our project is to design and build an inexpensive portable electroencephalogram EEG brain wave monitor that teaches meditation practitioners to achieve optimal meditation by indicating the presence of EEG alpha and theta waves This shall be achieved through a relatively inexpensive minimally distracting and potentially portable device intended for commercial use Last Week s Goals Meet with client on 11 3 and give update on our progress Finish Pspice simulations of amplifier filter and start building something on a breadboard Continue testing active electrode designs on breadboards and decide which design would be appropriate Start planning for the integration of the electrodes and amplifier Summary of Team Accomplishments Met with Dan Muller on Friday to update him with our progress to date We were enthusiastically received and told of the potential of a possible budget increase Continued simulating our circuit design on Pspice Completed a very simple but encouraging bread board simulation for an active electrode design capable of cleanly amplifying a 100 micro volt signal This Week s Goals Begin bread board assembly of bio amplifier Complete and test first Active electrode If active electrodes and bio amplifier work as expected begin planning implementation of design otherwise back to the drawing board Difficulties none Activities Team Member Cullen Rotroff Prakash Rao Andrew Eley Joe Hippensteel Activities Time Friday meeting 2 0 work on electrodes 1 0 Friday meeting 2 0 Pspice simulations 3 5 Friday meeting 2 0 Pspice simulations 3 5 Friday meeting 2 0 work on electrodes 1 0 3 00 5 50 5 50 Total Expenses Product Quantity supplier price 3 17 00 Project Schedule Task Preliminary Designs Meeting with client circuit design literature research Friday Team meetings circuit construction Deliverables Progress Report Mid semester presentation Mid semester paper End Semester Presentation End Semester Paper Web site Semester Wrap up with Advisor Prototyping acounting budgeting final design developments analysis testing final prototype manufacturing 8 September 15 22 29 6 October 13 20 25 27 3 November 10 17 24 1 December 8 13 15
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