hw1 - ME 365 HOMEWORK SET 1 SPRING 2012 Static Calibration...

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ME 365 HOMEWORK SET 1 SPRING 2012 1 Static Calibration Out: 12 January 2012 Due: 19 January 2012 Problem 1. A force transducer has the following input output relationship: y =x 2 +2 where x is the input in Newtons and y is the output in Volts. The system only responds to inputs from x=0 to 4 N and can’t produce an output larger than 18 V. a) Sketch the actual input output plot (i.e., the calibration plot). Now, on the same plot, sketch a linear approximation (do not perform a line “fit.” Simply construct a line between x=0 and 4 N). b) What is the sensitivity? c) What is the bias? d) What is the maximum nonlinearity as a % of f.s.d? Don’t eyeball it from the plot. You can calculate exactly at what input the nonlinearity is a max. And then evaluate the nonlinearity at that x. e) Suppose you’re measuring the voltage output with another device (a DMM or something like that) whose resolution is 0.1 V. How small of a force can you resolve? Problem 2.
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This note was uploaded on 02/22/2012 for the course ME 365 taught by Professor Merkle during the Spring '07 term at Purdue.

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hw1 - ME 365 HOMEWORK SET 1 SPRING 2012 Static Calibration...

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