bio potential simulator
DESCRIPTION
Bio potential simulator. Instructor: Evgeniy Kuksin Preformed by: Ziv Landesberg Duration: 1 semester. Introduction. - PowerPoint PPT PresentationTRANSCRIPT
BIO POTENTIAL SIMULATOR
Instructor: Evgeniy KuksinPreformed by: Ziv Landesberg
Duration: 1 semester
Introduction
Bio potential detector measures the electric potentials on the surface of living tissue . Bio potential detection is useful in many medical application such as ECG, EMG, AND EEG MONITORS.
Therefore is also useful to have the ability to test the Bio potential detector by a bio potential simulator.
Project goal
The project goal is to implement a controller of a bio exponential simulator. The controller should control the signal at the output of the simulator.
Real system description
host
PCB
FPGA
Material like living
tissue
Description of the system that shall be implemented
Signal generator
(after analog detection
and integration)
FPGA D/A 5382
D/A 5382
D/A 5382
D/A 5382
A/D 7961
FPGA code structure
The code on the FPGA shall be divided to two main parts.
The first part is the calibration of the D/As’ m and c registers. This registers should allow to digitally set the slope to 1 and to eliminate the bias.
The second stage is the normal running of the system, which continuously reading values from the dram and sending them to the D/As.
Project requirements
FPGA that can be programmed using LABVIEW
LVDS card(for debugging) PCB with 4 DACs and 1 ADC
Reg,addres(always changed at same time)
data
Wr’
ldac
Wait to host
DACs timings at calibration
value
value
sdout
din
sck
cnv
Start new cycle at host command
ADC timings at calibration
read
clockwrite
clock
read
write
clock
Reg,addres(always changed at same time)
data
Wr’
ldac
Wait to busy
Repeat 32 times
Wait for output stabelize/wanted freq(optional)
Dacs timings at normal runing
value
value
readRead next 32Values from dram
Estimated time linesStage 1 :build the calibration code
Stage 2: write the code of the regular running of the system
Stage 3: create the signal generator in labview
15 decemberl
30 november
15 november 31 october Estimated date
Stage 1
Stage 2
Stage 3
Yellow- means partially doneRed- means need to be done