ouestion #5 (100 marks; each part is equally weighted) a) You are the biomedical
ID: 2266683 • Letter: O
Question
ouestion #5 (100 marks; each part is equally weighted) a) You are the biomedical engineer assigned to design a weight scale. You choose to design with load cell sensors and your design provide an output voltage between 0 and 1 volts that is linearly proportional to the weight from 0 to 350 lbs (you have designed to this maximum weight as it is fairly standard in North America now). The output of the sensors should be digitized to enable digital display and wireless transmission of the weight measurement. Assuming that you want a 0.5 lb accuracy, how many bits is the weight measurement? Show your work. b) You are a biomedical engineer that is assisting a researcher in muscle physiology. They are trying to examine the variability in innervation zone positioning in bicep muscles (you can assume that there is only one innervation zone in each subject). For each subject, they want a noninvasive method that will enable them to locate the innervation zone in an automated fashion. Describe a solution (5-10 sentences; use sketches/figures as needed).Explanation / Answer
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Please find the answer attached as under. Please give a thumbs up rating if you find the answer useful! Have a rocking day ahead!
Since there are multiple questions posted, I will answer the first one:
a) Accuracy needed = 0.5lb
Since accuracy = 1/2 (lsb), we have one lsb = 1 lb. i.e. resolution = 1 lb.
Therefore, total binary levels needed = 350/1 = 350
350 levels can be provided by a 9 bit system (29 = 512)
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