TMS Amplifier Advisor - Robert Bouda Client - High Speed System Engineering Lab Faculty Advisor - Mani Mina Our Website: Dec 14-06
Team Dec14-06 Josh Abbott (Team Leader) Kaiyue Zheng(Web Master) Spencer Ulven (Communicator) Zhongheng Wang(Idea Holder) Dec 14-06
TMS Overview Transcranial Magnetic Stimulation Support for deep brain stimulation ●Research for Post Traumatic Stress Disorder, Alzheimer's, Chronic Pain, Parkinson’s, etc. Dec 14-06
Problem Statement TMS has little support for deep brain stimulation No low cost alternative options for research development in TMS Current designs lack enhanced control, reliability, and pulse shaping Dec 14-06
Goal Create an Amplifier Control Circuit that will allow researchers to explore deep brain TMS to provide solutions for difficult brain conditions Previous Design Dec 14-06
Project Scope Produce 1000A output for a minimum of 400µs Provide mono-phasic and bi-phasic pulse waveforms Allow flexibility for user control Dec 14-06
Circuit Concepts Dec 14-06
Block Diagram Circuit Dec 14-06
Design Process Dec 14-06
Implementation Dec 14-06
●Simulations were done by using NI Multisim ●Simulations for each part of the circuit ❖ Power supply ❖ IGBTs ❖ Arduino Control ❖ Capacitor Bank Charge and Discharge ●Simulation for entire circuit Simulation Dec 14-06
Simulation Dec 14-06
PCB Boards Dec 14-06
Non-Conductive Enclosure Y: 10 inch X: 20 inch Z: 3 inch Z2: 7 inch Dec 14-06
MD ●Biological Risks due to electromagnetic radiation. Hardware ●Accidental discharge into operator ●Circuit overheating Risks Dec 14-06
Hardware: ●LED caution ●Enclosure (Non- Conductive) ●Cooling fans ●Fuse ●Current limiter ●Discharge button (on case) Safety Software: GUI Control Discharge System Idle Discharge Close GUI Discharge Dec 14-06
Functionality and performance of the system were introduced and demonstrated New circuit posses several characteristics for TMS application o Controllable pulse o Pulse width o Interchangeable polarity o Flexible capability and control due to Arduino Provides platform for enhancing similar application in the future Conclusion Dec 14-06
Special Thanks: Advisor: Robert Bouda Faculty Advisor: Dr.Mani Mina QUESTIONS? Please visit our website at: Thank You Dec 14-06
Appendix Dec 14-06
Appendix Schedule of Design Dec 14-06
Appendix Dec 14-06