BIOE 3270 Lecture Notes - Lecture 4: Human Body Temperature, Thermal Expansion, Step Function

• School: University of Manitoba
• Department: Biosystems Engineering
• Course: BIOE 3270
• Professor: Paliwal

Document Summary

A device that converts a signal from one physical form to a corresponding signal having a different physical form. Dynamic characteristics: the properties of the system transient response to an input. y=f(x) The dynamic response is typically modeled by a constant coefficient linear differential equation. I practice, these models are limited to zero, first, and second order. Zero order instruments: have an output that is proportional to the input at all times. Static gain of the instrument (measure of its sensitivity: example would be a strain gage where (output is proportional to the length of the wire. The sensor only changes the amplitude of the signal. Unit step function: x(t)=0, x(t)=1, t>0: for a zero order instrument, y(t)=kx(t) y(t)=0, for. ; and y=k for t>0 therefore response of a zero order instrument to a unit step function with height k, would be k.